Update version to v2.12.0-rc2

[lttng-tools.git] / ChangeLog

2020-03-27 lttng-tools 2.12.0-rc2 (International Stay at Home Month)
        * Fix: sessiond: NULL pointer dereference after NULL check
        * Fix: sessiond: missing goto in error handler
        * Fix: sessiond: user/group name can be leaked on malformed command
        * configure: add -Wmissing-declarations, -Wmissing-prototypes, and more
        * Fix: sessiond: make the --without-lttng-ust version of launch_application_notification_thread static
        * Fix: tests: include callsites.h from callsites.c
        * Fix: relayd: cast idigit argument to unsigned char
        * Fix: tests: make some functions static
        * Fix: tests: add `void` parameter to functions that take no parameters
        * Fix: common: make lttng_trace_chunk_remove_subdirectory_recursive static
        * Fix: common: add `void` parameter to log_add_time declaration
        * CONTRIBUTING.md: harmonize list style with the rest of the docs
        * CONTRIBUTING.md: clarify the guidelines for commit messages
        * Fix: lttng-list: don't warn when the kernel domain has no channels
        * Refactor: lttng-ctl: follow terminology of the tracker documentation
        * lttng: list: replace domain headers with the official names
        * lttng: list: print `per-user` and `per-process` buffer types
        * Docs: overhaul of lttng-track(1) and lttng-untrack(1)
        * Fix: MI: bump MI schema version to 4.0 in mi-lttng.c
        * Fix: sessiond: occasional badfd error on repeated SIGTERM
        * Fix: lttng: incorrect domain list printed when no domain is provided
        * Fix all -Wdiscarded-qualifiers warning instances
        * Remove part of last name to fit in a 80 character line
        * Fix: Tests: trace path wildcards not expanded
        * Fix: Tests: `gen-ust-events` doesn't error out on invalid option
        * Fix: Tests: utils.sh: merge `validate_{directory,folder_is}_empty` functions
        * Fix: Tests: undefined `NR_USEC_WAIT` bash variable
        * directory-handle: print `errno` reason on `unlinkat()` error
        * Fix: lttng-ctl: _handle can be NULL
        * Fix: sessiond: domain subdirectory not deleted on empty clear
        * Ignore -Wincomplete-setjmp-declaration warnings
        * tests: put -no-pie in LDFLAGS instead of CFLAGS
        * Silence `POSIX Yacc` warnings
        * Fix -Wmissing-declarations warnings in filter-parser.y
        * Include cmd-2-2.h in cmd-2-1.h
        * Make create_file function static in gen-ust-tracef.c
        * Make remove_file_from_hierarchy function static in test_directory_handle.c
        * Make fd_count function static in test_fd_tracker.c
        * Add declarations for exported functions in health_exit.c
        * Add declarations for exported functions in health_fail.c
        * Make functions in live_test.c static
        * Add declarations for exported functions in consumer_testpoints.c
        * Make parse_arguments static in base_client.c
        * Fix all -Wmissing-declarations warning instances
        * Fix: fd-tracker: mark symbols as hidden
        * Fix: liblttng-ctl: hide new tracker config symbols
        * configure: add --enable-Werror
        * configure: use AX_APPEND_COMPILE_FLAGS to detect supported warning flags
        * Tests: notification.c: remove extra space
        * Tests: remove unused libhealthexit code
        * Fix: remove broken health monitoring test `test_thread_exit`
        * Fix: directory-handle: use of free'd handle on fstat() error
        * Fix: relayd: use of relay_session ref count before initialization
        * Fix: relayd: unchecked return value when opening relay socket
        * tests: append to AM_CFLAGS instead of overriding it
        * Tests: gen-ust-nevents: use options instead of arguments
        * Tests: Cleanup: test_exclusion: more detailed output
        * Fix: Tests: `test_exclusion` passing for the wrong reason
        * Fix: trace-chunk: useless assignment to 'ret'
        * Fix: lttng: track-untrack: error assigned to wrong variable
        * Fix: relayd: live: unchecked poll set creation return value
        * Fix: relayd: live: unchecked return value when opening relay socket
        * Fix: relayd: unchecked poll set creation return value
        * Fix: lttng: uninitialized pointer free'd when no sessiond is present
        * Fix: tracker: inclusion of internal header in public header
        * Tests: Fix: `wait_on_file()` returns too early
        * Fix: Tests: utils.sh: fix unbound variable
        * Tests: Fix typo: registerd -> registered
        * Tests: Cleanup: remove unused bash variable
        * Typo: 'toogle' -> 'toggle'
        * Fix: lttng-sessiond: control reaches end of non-void function warning
        * Fix: possible null dereference
        * Fix: string might be uninitialized
        * Fix: force the use of our _FORTIFY_SOURCE definition

2020-02-04 lttng-tools 2.12.0-rc1
        * Tests: fix: test_relayd_working_directory fails as user
        * Fix: sessiond: snapshot errors don't clear session's trace chunk
        * Fix: sessiond: bounded snapshot record fails when no streams exist
        * Tests: fix: test_relayd_working_directory fails as root
        * Fix: trace-chunk: dereference after NULL check
        * Clean-up: mi: remove logically dead code
        * Fix: trace-chunk: dereference after null check of old_path
        * Clean-up: unchecked return value
        * Fix: unchecked return value of cds_lfht_destroy()
        * Fix: relayd: return from function without unlocking session lock
        * Clean-up: consumerd: remove unreachable code
        * Clean-up: trace-chunk: remove unreachable code
        * Fix: unchecked return value of lttng_directory_handle_create()
        * Tests: fd-tracker: fix: leak of test paths
        * session-descriptor: fix comment typos in session-descriptor.h
        * Fix: directory-handle: typo in equals method breaks compat build
        * Fix: potential use of uninitialized return value
        * Clean-up: remove instances of loop initial declarations
        * Fix: relayd: register listener threads as rcu readers
        * relayd: track directory handles through the fd-tracker
        * tests: Move to kernel style SPDX license identifiers
        * Fix: include stdlib.h in compat/string.h
        * Cleanup: remove superfluous tests.txt
        * fix: add include guards to compat/path.h
        * Move to kernel style SPDX license identifiers
        * Sync ax_have_epoll.m4 with autoconf-archive
        * .gitignore: ignore gen-kernel-test-events
        * Fix: lttng: sanity check of `--probe` description
        * lttng-view: make babeltrace2 the default viewer
        * lttng-view: clean-up: remove unneeded empty line
        * lttng-view: clean-up: static struct viewers array should be const
        * lttng-view: clean-up: remove commented and unused references to lttv
        * relayd: register fd tracker instance to all created trace chunks
        * relayd: track relayd control connection sockets
        * relayd: track relayd data connection sockets
        * relayd: replace uses of block FDs by the fs_handle interface
        * fd-tracker: restore suspended handles from their inode's path
        * directory-handle: query if instance is backed by a file descriptor
        * directory-handle: make lttng_directory_handle_stat public
        * fd-tracker: replace custom optional implementation by LTTNG_OPTIONAL
        * directory-handle: add an equals method
        * trace chunk: allow associating an fd_tracker to a trace chunk
        * fd-tracker: refactor: extract fs_handle interface from fd_tracker
        * fd-tracker: remove use of VLA for unsuspendable_fd APIs
        * relayd: share the same output directory handle accross sessions
        * Fix: relayd: fail to create session when trace chunk is not found
        * relayd: track the health unix socket with the fd-tracker
        * relayd: track the health thread's poll fd with fd-tracker
        * LTTNG-RELAYD(8): document the --fd-pool-size option
        * relayd: rename fd-cap parameter to fd-pool-size
        * relayd: track the live client connections socket
        * relayd: track the control and data listener socket
        * relayd: track the live listener socket
        * relayd: track stdio output file descriptors
        * relayd: track the live viewer worker thread's epoll fd
        * relayd: track the live listener thread's epoll fd
        * relayd: track the live_conn_pipe with the fd-tracker
        * relayd: track listener's epoll fd using the fd-tracker
        * relayd: track worker thread's epoll fd using the fd-tracker
        * relayd: track clients of the health unix socket with the fd-tracker
        * relayd: track the health quit pipe with the fd-tracker
        * relayd: track the relay_conn_pipe with the fd-tracker
        * relayd: track the quit pipe with the fd-tracker
        * relayd: Don't bypass the fd tracker when closing file descriptors
        * relayd: initialize the global fd tracker from fd_cap option
        * relayd: clean-up: reduce the number of exit paths in main()
        * relayd: add fd-cap option to limit the number of opened FDs
        * Fix: use lttng_tracker_id_status enum values
        * Fix: update context types for Python bindings
        * Fix: lttng: placing probe on symbol starting with `_`
        * Fix: build failure with -fno-common
        * Fix: Tests: missing stream redirect causes test failure
        * Fix: automatic enum value overwrites existing error code value
        * doc: Fix bind address example for lttng-relayd
        * Build fix: dist target builds fails due to missing header file
        * Fix: track-untrack.c: regression of `--all --pid` option ordering
        * track-untrack.c: error out on unknown CLI options
        * Add test_event_tracker to the TESTS variable
        * Add missing `test_event_tracker` to fast_regression
        * Cleanup: track-untrack.c: declare all `int` on the same line
        * Fix: relayd: hostname check is too restrictive
        * Cleanup: remove extra whitespace from include directive
        * Fix: skip start trace for app that are already started.
        * Fix: keep active session state on redundant start command
        * Fix: build failures when `--without-lttng-ust`
        * Sync lttng-ust ABI version in ust-abi-internal.h
        * Sync lttng-modules ABI version in internal kernel-ioctl.h
        * Fix: lttng-clear: invalid free of session name
        * Fix: initialize var_data to NULL
        * tracker: update API documentation
        * Cleanup: remove struct lttng_handle from tracker.h
        * Refactoring: introduce lttng_tracker_ids_serialize
        * Refactoring: move count to an output parameter
        * Refactoring: introduce lttng_tracker_ids data structure
        * Refactoring: use an opaque lttng_tracker_id type
        * Fix: Initialize ret to zero
        * Update track/untrack man page
        * Error early on invalid tracker type for UST domain
        * ust-app: remove dead code
        * Fix: Skip uid registry when metadata key value is 0
        * trackers: bump MI version to 4.0
        * tests: test uid/gid/pid/vuid/vgid/vpid trackers
        * trackers: update list/track/untrack commands
        * trackers: support tracking feature
        * trackers: add sessiond tracker list implementation
        * trackers: update lttng-modules tracer ABI
        * trackers: introduce new tracker types
        * trackers: change error code from "pid" to "id"
        * format: use AfterCaseLabel: true for switch case
        * Fix: sessiond: check for lttng-modules ABI 2.1 rather than 2.8
        * Doc: man page: lttng-relayd LTTNG_RELAYD_DISALLOW_CLEAR env. var.
        * Doc: lttng-clear(8) man page
        * tests: mi for clear command
        * tests: lttng clear command
        * tests: gen-ust-events: abort() on argument error
        * tests: gen-ust-events: add touch and wait sync points before exit.
        * tests: gen-ust-events: use options instead of arguments
        * relayd: live: implement support for clear feature
        * relayd: implement support for clear feature
        * relayd: viewer-stream: introduce viewer_stream_close_files and viewer_stream_sync_tracefile_array_tail
        * relayd: viewer_session: expose viewer_session_set_trace_chunk_copy symbol
        * trace-chunk: implement no-op and delete release commands
        * sessiond: document effect of rotated_after_last_stop on clear
        * sessiond: snapshot: set trace chunk to NULL before closing it
        * relayd: return invalid protocol error on close chunk disallowed clear
        * relayd: set has rotated only for explicit rotations
        * trace-chunk: Introduce chunk "path", relayd session "ongoing_rotation", sessiond session "rotated"
        * consumer: add extra debug output
        * relayd: add extra debug output
        * sessiond: implement clear command
        * sessiond: add clear notifier
        * sessiond: introduce cleared_after_last_stop
        * sessiond: implement ust app clear session
        * sessiond: implement kernel clear session
        * sessiond: implement consumer clear channel
        * consumer: implement clear channel
        * common trace-chunk: introduce lttng_trace_chunk_get_name_overridden
        * common: trace-chunk: track all files within a chunk
        * sessiond: cmd_rotate_session: introduce command argument
        * sessiond: query relayd configuration for availability of clear feature
        * relayd: Implement get_configuration relayd protocol command
        * common: index and trace-chunk file creation/open API change
        * common: index: remove redundant separator for empty channel string
        * sessiond: refactoring: introduce start/stop_kernel_session
        * sessiond-comm: add clear command support to consumer protocol
        * sessiond-comm: Document feature branch specific commands range
        * relayd: tracefile array: Allow head position to skip ahead
        * relayd tracefile array: add tracefile_array_reset
        * common dynamic-array: Introduce dynamic array clear
        * relayd: environment variable to disable clear command
        * lttng: Implement lttng clear session command
        * lttng-ctl: Expose sessiond cmd_clear_session command
        * common error: Add errors for clear feature
        * ust-consumer: Expose user space clear buffer operation
        * kernel-ctl: Expose kernel clear buffer operation
        * Test: rotate_utils.sh: consider chunk archive with ust/ as empty
        * Send ust and kernel domain directory handle to consumer
        * Fix: consumer: do not flush on transition from NULL chunk
        * Fix: consumer: honor "active" flush flag
        * Fix: sessiond cmd.h: include missing lttng-sessiond.h
        * Fix: sessiond: ust-app: per-pid buffers: Create empty ust/ directory
        * Fix: utils: utils_stream_file_path separator
        * Fix: consumerd: use packet sequence number for rotation position
        * align.h: Implement ALIGN_FLOOR macro
        * Fix: relayd: per-pid live: no new metadata vs close
        * Fix: relayd: use packet sequence number for rotation position
        * Fix: relayd stream.c: LTTNG_OPTIONAL_GET address confusion
        * Fix: optional.h macro missing parentheses and guards
        * Fix: use of strnlen breaks build on Solaris 10
        * dynamic-array: fix documentation of lttng_dynamic_pointer_array_get_pointer
        * Fix: make dist fails on sdt-probe test with autotools v1.16+
        * Fix: tests: metadata presence on relayd is not deterministic
        * Fix: move testpoint after state update
        * Make lttng_directory_handle reference countable
        * Clean-up: apply clang-format to the newly added fd-tracker
        * Fix build: fd-tracker is not part of librelayd
        * Add git-review config
        * doc: fix typo in lttng-enable-event man page
        * tests: make functions static in test_notification.c
        * tests: make functions static in test_utils_compat_poll.c
        * tests: make functions static in test_utils_expand_path.c
        * tests: make functions static in test_session.c
        * tests: make functions static in test_uri.c
        * tests: include foo.h in foo.c
        * compat: remove always true assertion in compat-poll.c
        * Fix: sessiond: RCU read lock imbalance on get trace chunk id error
        * tests: add declaration for test_function in userspace-probe-elf-binary.c
        * tests: add declarations for functions in gen-syscall-events-callstack.c
        * tests: make entry_handler static in ini_config test
        * Format lists in src/common/Makefile.am
        * sessiond: make functions static in ust-registry.c
        * sessiond: make thread_consumer_management function static
        * sessiond: make thread_rotation function static
        * Fix: build: ust -> kernel mix-up in noinst_SCRIPTS
        * Fix: relayd: missing metadata stream causes all traces to be skipped
        * lttng-ctl: add local declarations for obsolete functions in lttng-ctl.c
        * sessiond: remove unused log_job_destruction function
        * sessiond: make disable_context static
        * sessiond: make ltt_sessions_ht_alloc static
        * relayd: make functions static in ctf-trace.c
        * Make validate_url_option_combination static in create.c
        * Make _utils_expand_path static
        * Remove unused function uri_create
        * uri: put `inline` at beginning of strpbrk_or_eos declaration
        * tests: put `static` keyword at beginning of variable declaration
        * common: make some functions static in mi-lttng.c
        * consumerd: make lttng_consumer_close_all_metadata static
        * README.md: libuuid is no longer a dependency
        * Replace libuuid with internal implementation
        * consumerd: remove unused function consumer_del_data_stream
        * m4: sync ax_pthread.m4 with autoconf archive
        * configure.ac: Remove duplicated CMD_DESCR_ROTATE definition
        * Fix: tests: missing argument in test output print statement
        * Silence bogus warning when building with old GCC versions
        * Clean-up: open_pipe_cloexec() has useless boilerplate
        * Clean-up: tests: unchecked closedir value in test_fd_tracker
        * Fix: fd-tracker: dereference of lttng_inode after NULL check
        * Fix: fd-tracker: error path lead to null dereference of handle
        * Fix: fd-tracker: crash on close of partially initialized handle
        * Tests: add fd-tracker tests for the unlink operation
        * fd-tracker: use lttng_inode to store fs_handle's path
        * fd-tracker: add the lttng-inode interface
        * fd-tracker: add the unlink operation to fs handles
        * Test: add a unit test for the fd tracker
        * fd-tracker: add pipe management wrappers to fd-tracker
        * fd-tracker: add epoll/poll management wrappers to fd-tracker
        * fd-tracker: add an fd-tracker util to common
        * relayd: close stdin on launch
        * Fix: relayd: fully initialize viewer stream before publishing it
        * Clean-up relayd: session_release can be marked as static
        * Fix: relayd: don't send streams if there is no metadata
        * Fix: update apps on untrack only when session is active
        * Fix: consumerd: assert on null trace chunk on session restart
        * Fix: sessiond: don't wait for a rotation from a null chunk to finish
        * Fix: sessiond: duplicated rotation notification sent
        * Fix: relayd: remove assert of non-null stream trace chunk on rotate
        * Docs: verb/noun confusion in comment
        * Fix: sessiond: no rotation performed from null chunk to new chunk
        * Fix: invalid use of destructor in dynamic pointer array
        * Fix: relayd: check for a trace chunk before writing a packet
        * Fix: relayd: viewer session trace chunk not released on detach
        * Require automake >= 1.12
        * relayd: rename viewer_session_set_trace_chunk and hide it
        * Fix: relayd: session trace chunk is copied too late
        * Fix: overly restrictive datetime regexp rejects valid dates
        * Fix: relayd: disallow 0-length session names for 2.4+ peers
        * Docs: RELAYD(8): document the --group-output-by-session/host options
        * Tests: unit testing for backward compatibility of group-output-by-session
        * relayd: Add backward compatibility for --group-output-by-session
        * Tests: regression testing for lttng-relayd --group-output-by-*
        * Tests: lttng_snapshot_add_output_ok: allow specifying output type
        * relayd: introduce --group-output-by-session
        * Fix: sessiond: ust: deadlock with per-pid buffers
        * relayd: close viewer stream trace chunk earlier on release
        * Fix: relayd: put chunk reference when closing stream
        * Fix: relayd: tracefile rotation: viewer opening missing index file
        * Tests: fix shellcheck warning
        * Tests: base path: lttng load for session configuration
        * Cleanup: remove unused internal lttng_session_descriptor_get_base_path
        * Refactor: Move set session path to own function
        * Fix: move set base_path of session to URI configuration
        * Fix: tests: re-add link to urcu-bp for _LGPL_SOURCE tests
        * Fix: tests: use DL_LIBS variable in ust multi-lib test
        * Fix: lttng: initialize sessions pointer to NULL
        * Use pkgconfig to detect and configure liblttng-ust
        * Fix: check for dtrace and sdt.h before enabling SDT uprobe tests
        * Fix: consumerd: crash occurs when taking snapshot of ust channel
        * Fix: trace-chunk: log the cause of file open failures
        * Fix: relayd: live: crash when creating viewer streams
        * Fix: relayd: live: crash on attach to a session without trace chunk
        * Fix: relayd: live: some listed sessions are not attacheable
        * Fix: relayd: don't put un-acquired trace chunk reference
        * Fix: relayd: don't put un-acquired viewer trace chunk reference
        * Fix: consumerd: NULL pointer dereference during metadata sync
        * consumerd: clean-up: stream attribute accessed without locking stream
        * Tests: namespace tests fail to build on older libc
        * Fix: check for lttng-ust >= 2.11 at configure
        * sessiond: build fails in --without-lttng-ust configuration
        * Tests: use "kill -0" for app existence check in NS tests
        * Tests: add kernel namespace context change tests
        * Tests: add UST namespace context change tests
        * Tests: add kernel namespace contexts tests
        * Tests: add UST namespace contexts tests
        * MI: add support for namespace and uid/gid contexts
        * Add UST uid/gid contexts
        * Add kernel uid/gid contexts
        * Add UST namespace contexts
        * Add kernel namespace contexts
        * Update local copy of ust-abi.h to reflect addition of ns contexts
        * Tests: fix: tmp dir can be a symlink
        * Docs: relayd: document LTTNG_RELAYD_WORKING_DIRECTORY env variable
        * Docs: relayd: document the --working-directory/-w option in man page
        * Introduce LTTNG_RELAYD_WORKING_DIRECTORY environment variable
        * Tests: add an lttng-relayd working directory test
        * relayd: introduce --working-directory/-w options
        * Fix: compile fails for x32 arch
        * Typo: occured -> occurred
        * Fix typo 'Attemp' -> 'Attempt'
        * Fix: sessiond: use system LTTng-UST headers when available
        * doc/man: use specific revision date for each manual page
        * lttng-rotate.1.txt: update voice and document the `archives` subdir.
        * Fix: sessiond: unbalanced health register/unregister on error
        * Fix: sessiond: NULL thread_state provided to pthread_cleanup callback
        * Fix: sessiond: leak of trace chunk on destruction error
        * common: cleanup error message mentioning mkdir
        * Fix: sessiond: session destruction errors are unreported
        * Fix: consumer: double unlock of rcu read lock on error
        * Fix: sessiond: application channel creation failure stops start cmd
        * sessiond: clean-up: enhance logging on event allocation failure
        * Fix: sessiond: don't assert on event creation error
        * sessiond: clean-up: typo in ust-app.c comment
        * .gitignore: ignore vscode files
        * Fix: lttng-elf.c: dereferencing pointer before null check
        * Fix: sessiond: unbounded elf section data size allocation
        * Fix: sessiond: double socket close on allocation failure
        * Fix: sessiond: TOCTOU error on save of session configuration
        * Fix: tests: replace truncation-prone logging helper
        * DIST OOT: use build_dir version.i file
        * Introduce EXTRA_VERSION_PATCHES
        * Use EXTRA_VERSION_NAME and EXTRA_VERSION_DESCRIPTION
        * Introduce EXTRA_VERSION_NAME and EXTRA_VERSION_DESCRIPTION
        * Fix: relayd: Dereference after null check
        * Fix: sessiond: app sock and notif shm not created by the main thread
        * Fix: sessiond: client socket not created by the main thread
        * Fix: relayd: Dereference before null check
        * Fix: relayd: unchecked return values
        * Fix: ust-consumer.c: Double unlock of channel lock
        * Fix: sessiond: Dereference before null check
        * Fix: sessiond: Dereference after null check
        * Fix: relayd: Explicit null dereferenced
        * Cleanup: relayd: Logically dead code
        * Fix: enable_events.c: typo in `WARN()` message
        * Cleanup: enable_events.c: fix erroneous comment
        * Cleanup: relayd: identical code for different branches
        * Fix: common: Unchecked return value of `closedir()`
        * Fix: relayd: Dereference after null check
        * Fix: Tests: test_session.c: Structurally dead code
        * Fix: session-descriptor.c: Dereference before null check
        * Fix: common: Dereference after null check
        * Fix: test_utils_compat_poll.c: Unchecked return value
        * Fix: liblttng-ctl: wrong variable used during argument validation
        * Fix: liblttng-ctl: ABI-breaking size change of lttng_session struct
        * Fix: liblttng-ctl: config and mi strings inadvertantly exported
        * Fix: liblttng-ctl: compat_sync_file_range inadvertantly exported
        * Fix: liblttng-ctl: poll compatibility symbols inadvertently exported
        * Fix: lttng-ctl: unvalidated session destruction handle API arguments
        * Docs: document the session destruction handle API
        * Fix: Tests: Segfault in `test_utils_expand_path()`
        * Fix: lttng-ctl: missing __cplusplus closing brace
        * Fix: trace chunk reported unknown before close command execution
        * Fix: sessiond: leak of application socket on chmod failure
        * sessiond: clean-up: silence warning that agent event is leaked
        * Fix: tests: leak of prefix on error to register lttng namespace
        * Fix: use newly created event filter for condition check
        * Fix: lttng-crash: detect truncated files
        * Fix: sessiond: fs.protected_regular sysctl breaks app registration
        * relayd: clean-up: mix-up between LTTNG_PATH_MAX and LTTNG_NAME_MAX
        * Fix: destroy command: put consumer output after destroy notifier
        * Refactor: remove logically dead code
        * Fix: Null check before destroying health_sessiond
        * Fix: Move initialization of queue_pipe_fd after null check of handle
        * Fix: release reference to new chunk on copy error
        * Fix: Close socket handle on error
        * Fix: lttng: out-of-bound copy of arguments in 'view' command handler
        * Revert "lttng: fix: out-of-bounds copy of original 'view' command arguments"
        * Fix: relayd: session destruction does not complete in live mode
        * Add a copy method to the trace chunk interface
        * relayd: move viewer stream chunk reference release to destroy
        * relayd: move relay_session locking outside of make_viewer_streams
        * Fix: release reference to trace chunk on index file creation failure
        * trace-chunk: clean-up: mark close command properties as static const
        * trace-chunk: clean-up: misleading label name
        * ust-consumer: fix: metadata stream lock taken before destroy
        * sessiond: fix: memory leak of section name in elf parser
        * kconsumer: clean-up: initialize ctf_index before populating it
        * sessiond: fix: strncpy called with source length
        * sessiond: fix: possible unaligned access in packed structure
        * relayd: clean-up: strncpy uses the length of the source as length
        * lttng: fix: out-of-bounds copy of original 'view' command arguments
        * lttng: clean-up: silence bogus string truncation warning
        * sessiond: clean-up: mixed log levels enums used to look-up event
        * sessiond: fix: possible unaligned access in packed structure
        * sessiond: fix: possible unaligned access in packed structure
        * sessiond: fix: possible unaligned access in packed structure
        * sessiond: fix: possible unaligned access in packed structure
        * lttng-ctl: fix: possible unaligned access in packed structure
        * lttng-ctl rotate: fix: possible unaligned access in packed structure
        * runas: fix: possible unaligned access in packed structure
        * consumer: fix: possible unaligned access in packed structure
        * inet: fix: possible unaligned access in packed structure (inet/inet6)
        * consumer: fix: unaligned accesses to index fields
        * lttng-sessiond: clean-up: set free'd pointer to NULL
        * lttng: fix: potential 0-length allocation in pid list parsing
        * Tests: fix: uninitialized session_id used on list_sessions failure
        * Tests: fix: uninitialized values passed to close() on error
        * Clean-up: assert that get_count_order() returns a positive value
        * Clean-up: suppress bogus scan-build warning
        * Tests: fix: leak caused by misuse of realloc in multi-lib-test
        * sessiond: clean-up: init ret value of _session_set_trace_chunk_no_lock_check
        * sessiond: fix: print_escaped_ctf_string mishandles empty string
        * lttng-ctl: fix: lttng_data_pending confuses communication status
        * relayd: fix: rotate_truncate_stream() assumes non-null next chunk
        * Fix: dereference of NULL pointer in stream_write()
        * Fix: report bytecode_push failure when pushing symbol
        * Fix: only invoke PERROR() on failure to close sessiond_socket
        * Clean-up: lttng: check status returned when checking rotation state
        * Fix: communication error unreported in relay_rotate_session_streams
        * Fix: unreported error in relay_close_trace_chunk
        * Clean-up: remove dead assignment from ht cleanup thread launcher
        * Clean-up: remove dead assignment from thread_rotation
        * Clean-up: remove dead assignment in setup_channel_trace_path
        * Clean-up: remove dead assignments while setting session trace chunk
        * Fix: report path truncation on addition of local uri to consumer
        * Clean-up: lttng: silence warning in regenerate command handler
        * Clean-up: lttng: silence warning in metadata command handler
        * Clean-up: remove NULL check on sesison_create mandatory arguments
        * Fix: session may be NULL in relay_create_session error path
        * Clean-up: silence erroneous leak warning
        * Fix: leak of lttng_elf_shdr in lttng-elf.c
        * Fix: leaked chunk reference in lttng_consumer_create_trace_chunk
        * Clean-up: remove unused stream file creation and unlink functions
        * Fix: use the trace chunk to truncate streams on late rotation
        * Clean-up: format using remaining buffer len rather than total len
        * Fix sessiond: report flush errors on session stop
        * Fix: leak of trace_path on error in ust_app_snapshot_record
        * Fix: uninitialized directory handle finalized on error path
        * Fix: release reference to created chunk if it can't be published
        * Fix: destroy chunk registry on element creation failure
        * Fix: return NULL on trace chunk registry failure
        * Fix: forward fatal error in evaluate_condition_for_client()
        * Fix relayd: check for NULL in session_put
        * Fix typo in regenerate statedump test util
        * Fix: time constants already defined on macOS
        * Fix: missing include strings.h for bcopy on Solaris 10/11
        * Fix: strndup does not exist on Solaris 10
        * Fix: strnlen is not defined on Solaris 10
        * Fix: redefinition of USEC_PER_SEC macro on macOS
        * Fix: sessiond does not build without lttng-ust support
        * Fix: sessiond: handle NULL control output in session descriptor base path getter
        * Tests: metadata env scope values
        * Support LTTNG_KERNEL_SESSION_SET_CREATION_DATETIME of lttng-modules
        * Support LTTNG_KERNEL_SESSION_SET_NAME of lttng-modules
        * Metadata: add env fields to ease lttng path hierarchy creation for viewer
        * Fix: lttng_directory_handle_init fails on opening base relayd output
        * Fix: init_session_output_path is valid for peer >= 2.11 only
        * Fix: chunk state is not set when relayd does not support trace chunks
        * Fix: check validity of a stream before invoking ust flush command
        * Fix: namespace our gettid wrapper
        * pprint.m4: add missing copyright header
        * Fix: reintroduce lazy kernel modules load, fix empty syscall list
        * Fix: check for lttng modules presence before testing
        * sessiond: use epoll()/poll() instead of select()
        * lttng-ctl: notifications: use epoll()/poll() instead of select()
        * epoll/poll compat: expose interruptible API
        * tests: invoke full_cleanup from script trap handlers, use modprobe -r
        * Cleanup: test: don't stop relayd twice
        * Fix: test: utils.sh: exit from process on full_cleanup
        * Fix: utils.sh: handle SIGPIPE
        * Fix: tests: error handling in high throughput limits test (v2)
        * Improve handling of test SIGTERM/SIGINT (v2)
        * Fix: incorrect conversion specifier used with size and padding
        * Fix: incorrect conversion specifier used with packet size
        * Fix: mismatch of ust_app_get_size_one_more_packet_per_stream prototype
        * Fix: mismatch of ust_app_snapshot_record prototype
        * Fix: lttcomm_consumer_close_trace_chunk_reply undefined without UST
        * Fix: kernel/ust snapshot backward compat for 2.10 relay
        * relayd protocol: reply path for close chunk and create session 2.11
        * Fix: streaming and snapshot backward compat for relayd < 2.11
        * Fix: relayd: create_index_file error handling
        * Fix: don't use newlines in logging message
        * Fix: relayd outputs traces of legacy sessionds to home dir
        * relayd comm: add base path to create session
        * tests: add base-path tests
        * test utils: support URI in lttng_snapshot_add_output
        * Fix: close consumer sockets before waiting for them
        * Fix: consumer: put each chunk on teardown
        * Fix: validate that session, host and basepath are legal
        * Fix: honor base path for network URIs
        * Fix: bindings import segfaults on missing hash_key_u64
        * Cleanup: typo: overriden -> overridden
        * Fix: relay: relay_rotate_session_streams uninitialized return value
        * Fix: test_kernel rotation: expect 60 rather than 64
        * Save registration time for app
        * Fix: tests: update rotation ust number of tests
        * Clean-up: missing word `lock` in comment
        * Use case-scope error labels handling LTTNG_CONSUMER_ROTATE_CHANNEL
        * Use case-scope error labels handling LTTNG_CONSUMER_PUSH_METADATA
        * Use case-scope error labels when handling LTTNG_CONSUMER_GET_CHANNEL
        * Use case-scope error labels handling LTTNG_CONSUMER_ROTATE_CHANNEL
        * Use case-scope error labels handling LTTNG_CONSUMER_DESTROY_CHANNEL
        * Use case-scope error labels handling LTTNG_CONSUMER_STREAMS_SENT
        * Use case-scope error labels when handling LTTNG_CONSUMER_ADD_STREAM
        * Clean-up: set stream's channel pointer to NULL after releasing ref
        * Fix: mark consumer channels as logically deleted during deletion
        * Cleanup: mark utils_get_home_dir as returning a const string
        * Fix: use utils_get_home_dir for anonymous trace chunk path
        * Fix: tests: typo in rotation util
        * Fix: keep ust/kernel session items around for destroy notifier
        * Tests: add a test for the "skip non-empy" rmdir flag
        * Fix: rmdir recursive: skip non-empty directories with flag
        * Fix: uninitialized variable returned by relay_rotate_session_streams
        * Fix: allow quiet rotation at destroy of live session
        * Fix: relayd: live: read index file header
        * Fix: index: use parenthesis around define
        * Fix: test_crash: don't kill first app twice
        * Fix: perform a rotation to a null trace chunk on session destruction
        * relayd: log destination trace chunk of ROTATE_STREAMS command
        * Clean-up: declare dummy pipe payload as a char instead of a string
        * Fix: consumer: assert that stream chunk != NULL (not channel)
        * relayd fix: trace chunk is reclaimed before close command
        * Fix: rotation of a stopped session hangs indifinitely
        * Fix: initialize kernel stream max subbuffer size on creation
        * Fix: use relay_id from ust_session or kernel_session consumer
        * Fix: lttng-ctl: public session.h control API: restore 0 success return value
        * Fix: remote kernel stream paths contain too much information
        * Fix: destroy command: send credentials with command
        * relayd: open live viewer files from the current stream's trace chunk
        * Fix: don't perform an automatic session rotation in snapshot mode
        * Fix: incorrect time unit used when waiting on destruction handle
        * relayd: implement file and session rotation on top of trace chunks
        * Fix: remove assertions of the existence of a trace chunk
        * Fix: only create trace chunk if the output of a session supports it
        * Fix: use stream's current tracefile count rather than the max
        * relayd: use bool for is_metadata relay_stream attribute
        * relayd: create stream files relative to a session's trace chunk
        * Fix: leak of consumer_output when using an explicit snapshot output
        * Fix: reception buffer of control connection is leaked
        * Fix: ensure a newline is printed before exit on client destroy
        * Send session creation time to relay daemon when supported
        * relayd: remove unnecessary allocation in session path formatting
        * relayd: add remote trace chunk close command
        * Create userspace buffers using ua_sess effective credentials
        * Use lttng_credentials instead of bespoke uid/gid members in ua_sess
        * relayd: add remote trace chunk creation command
        * Add .clang-format
        * Don't allow slashes and dots in overriden trace chunk names
        * relayd: Retrieve a relay_session's trace chunk on creation
        * relayd: Transmit current trace chunk id in create_sesssion command
        * Use a "comm" variant of the LTTNG_OPTIONAL helper in sessiond-comm
        * Remove unused relay daemon commands
        * relayd: create an implicit trace chunk on session creation
        * relayd: create sessiond trace chunk registry on session creation
        * Use directory handle to rename trace chunk directory
        * Docs: add directory handle header documentation
        * Add rmdirat and renameat to run-as commands
        * Print the location of trace chunk produced at session destruction
        * Docs: misleading documentation of compat_epoll_create
        * Remove unused ust_sock member of command_ctx
        * Tests: clarify the tap output of the kernel session rotation test
        * Fix: wait for the completion of implicit session rotations
        * Fix: don't hide EBADF error subbuffer write
        * Tests: don't expect a UST directory after inactive per-PID rotation
        * Tests: remove check for an empty chunk produced on destruction
        * Fix: metadata stream is not marked as quiescent after packet commit
        * Create stream files relative to a stream's current trace chunk
        * Cleanup: remove duplicated code in snapshot record command
        * Fix: run_as_mkdirat returns value of errno
        * Fix: double close of directory fd in runas worker
        * relayd: add the sessiond_trace_chunk_registry interface
        * Move index initialization to ctf-index.h
        * Export utils_stream_file_path outside of common/utils.c
        * Add file creation/unlinking utils to directory handle
        * relayd: send sessiond uuid and session id as part of create session
        * Transmit sessiond uuid to consumerd on launch
        * Add lttng_uuid_copy() util
        * Add lttng_uuid_is_nil() util
        * Add lttng_uuid_is_equal util to lttng_uuid
        * Add a consumer daemon INIT command
        * Generate a UUID on lttng-sessiond launch
        * Remove unneeded creation of the UST domain sub-directory
        * .gitignore: ignore ccls and clangd files
        * Create an initial trace chunk on first start of an ltt_session
        * Allow direct access to the dirfd of a directory handle
        * Create a consumer daemon trace chunk registry on launch
        * Add the trace chunk and trace chunk registry interfaces
        * Add a time_to_iso8601_str() utility
        * Add a method to create a directory handle relative to another one
        * Maintain a channel-per-session_id hash table in the consumers
        * Document lttng_directory_handle_init_from_dirfd
        * Allow lttng_directory_handle to be moved
        * Add a copy method to lttng_directory_handle
        * Remove unused bitfield.h header
        * Tests build fix: undefined MAGIC_VALUE macro
        * Build fix: undeclared variable in poll compat
        * Fix: error when listing sessions with no session
        * Update base test for binding
        * Fix: python binding: expose domain buffer type
        * Clean-up: correct typo from epoll to poll
        * Clean code base from redundant verification
        * Change lttng_poll_wait behaviour of compat-poll to match compat-epoll
        * Fix: hang in thread_rotation when using compat-poll
        * Adapt poll layer behaviour to match the epoll layer
        * Change LTTNG_POLL_GETNB behaviour for poll flavor
        * Add Unit test to poll compatibility layer
        * Fix: lttng_poll_mod calls compat_(e)poll_add
        * Fix: getenv can return null
        * Bump LTTNG_UST_ABI to 8.0
        * Fix: directory handle credentials parameter is not const
        * doc: Add reference to USDT probes
        * Clean-up: Remove double buffer initialisation
        * Fix: getgrnam is not MT-Safe, use getgrnam_r
        * Fix: logging: log_add_time() save/restore errno
        * Fix relayd: initialize beacon to -1ULL
        * Fix: relayd: handling of lttng_read errors >= 0
        * Harmonize pprint macro across projects
        * Update the ac_define_dir macro from the autoconf archive
        * Harmonize rw_prog_cxx_works macro across projects
        * Namespace check_sdt_works custom macro
        * Update macros from the autoconf archive
        * Fix: relayd not spawned on default-url live session creation
        * Clean-up: remove empty line in lttng create command
        * Add mkdirat utils and runas wrappers
        * Clean-up: remove commented code from test
        * Fix tests: NULL pointer dereference in ltt_session unit tests
        * Fix tests: NULL pointer dereference in ust channel unit tests
        * Fix tests: NULL pointer dereference in ltt_ust_context unit tests
        * Fix tests: NULL pointer dereference in ltt_session unit tests
        * Log the wait-shm's path on shm_open failure
        * Generate session name and default output on sessiond's end
        * Move completed trace archive chunks to an "archives" sub-folder
        * Fix: lttng_rotate_session does not handle socket close
        * Fix: hide internal libcommon time utilities
        * lttng: make the configuration file interface const correct
        * Fix: command reply message is leaked for variable-len replies
        * Fix: skip test when ust doesn't have perf support
        * Tests: check for lttng-modules presence
        * Fix: Properly sanitize input parameter
        * Fix tests: link libpause_consumer on liblttng-ctl
        * tap-driver.sh: flush stdout after each test result
        * Fix tests: snapshot size validation failure runs too many test cases
        * Fix tests: the tree origin can be a symlink itself
        * Fix tests: skip test_getcpu_override on single core systems
        * Enforce DL_LIBS value instead of hard coded -ldl
        * Fix: Add POPT_CFLAGS to lttng_CFLAGS
        * Fix: consumer snapshot: handle unsigned long overflow
        * Clean-up: hide internal kernel_consumer_add_channel() symbol
        * Fix: no-output sessions do not enforce snapshot constraints
        * Fix: wrong error code returned by kernel_snapshot_record()
        * Clarify incorrect channel output type logging message
        * Mark lttng_kconsumer_snapshot_channel as static
        * Docs: clarify the meaning of the snapshot_mode flag in ltt_session
        * lttng: clean-up the printout of snapshot outputs
        * lttng: clean-up printout of session output destination
        * Docs: document the format of the lttng_session path member
        * Docs: lttng-ctl has no default live timer period
        * Fix: missing include can cause structures to not be packed
        * Fix: check illegal combinations of ctrl-url/data-url/ouput/set-url
        * Fix: lttng_uri structure must be packed as it is used for IPC
        * Fix: missing mentions of tracing session rotation in basic help
        * Fix: release reference to ltt_session on error instead of free()
        * Fix relayd: session leaked on communication error during creation
        * Prevent channel buffer allocation larger than memory
        * Fix: destroy called twice on quit pipe
        * Use uuid_to_str() when formatting metadata
        * Add an internal uuid formatting utility
        * Remove duplicate check for dlopen
        * Tests: take multiple snapshots in streaming mode
        * Fix: don't destroy the sockets if the snapshot was successful
        * Fix: run-as thread deadlock on itself in restart error path
        * Fix: session list lock must be held on session put operation
        * Support minute and hour as time suffixes
        * Test fix: passing bool argument to va_start is undefined
        * Fix: missing rcu read locking in trigger "unregister all" command
        * Fix: create_kernel_session asserts on failure
        * Fix: only free trace_path when it is dynamically allocated
        * Fix: wrong error check on kernel session creation
        * Fix: don't put() thread on shutdown failure
        * Fix: dereference on NULL pointer on allocation failure
        * Fix: leak of filter bytecode and expression on agent event re-enable
        * Test fix: python logging test spams its output
        * Fix: leak of lttng-consumerd global HTs in run-as worker
        * Fix: leak of sessiond configuration on launch of run-as worker
        * Fix: leak of rundir config string
        * Fix: only synchronize application configuration on tracing start
        * Fix: run_command_wait() handle partial write
        * Fix: do not repurpose iterator while it is being used
        * Fix: handle_notification_thread_command: handle partial read
        * Fix: notification thread: free session trigger list on error
        * Fix: notification thread: RCU-safe reclaim of hash table nodes
        * Fix: error logged on partial recvmsg() in MSG_DONTWAIT
        * Print UTF-8 SI suffix only when allowed by the locale
        * Cleanup: duplicate LDADD of libcommon for utils unit tests
        * Move time utils to their own time.c file
        * Fix: sessiond: don't allocate buffers and files for inactive sessions
        * Cleanup: ust start/stop trace
        * Fix: relayd: rotation pending off-by-one
        * Fix: tests: test_crash should start sessions
        * Fix: missing session reference release on kernel poll update
        * Fix: set client socket permissions after launch of client thread
        * Fix: use assignment-suppression for unused sscanf arguments
        * Fix: report initialization error of app registration thread
        * Fix: report initialization error of client thread
        * Cleanup: consumer socket creation debug msg always prints fd:-1
        * Cleanup: remove unused label
        * Fix: may be used uninitialized warnings
        * userspace-probe: tests: add testcase for unsupported instrumentation
        * userspace-probe: Print error on binary not found
        * userspace-probe: Print error for unsupported instrumentation mode
        * Fix: use sys/types.h for ssize_t on Cygwin
        * Add *.exe to gitignore for Cygwin
        * Revert stubbing of runas functions
        * Revert stubbing of unix socket functions
        * Fix: warning 'fd' may be used uninitialized
        * Fix: worker structure is leaked in run_as process
        * Fix: ensure the ht clean pipe is empty before processing quit pipe
        * Perform the clean-up of application notify sockets in main thread
        * Clean-up: remove redundant exit labels from sessiond initialization
        * Make the launch of the application registration thread blocking
        * Stop the application registration thread before orphaned threads
        * Rename ust-thread to notify-apps
        * Teardown the notification thread after the sessiond clean-up
        * Launch the consumer management thread using lttng_thread
        * Stop sessions before destroying on teardown of session daemon
        * Remove the sessiond "ready" counter mechanism
        * Load session configurations from lttng-sessiond's main thread
        * Launch the kernel management thread using lttng_thread
        * Launch agent management thread using lttng_thread
        * Mark lttng_pipe as const where possible
        * Launch the application notification thread using lttng_thread
        * Launch the application management thread with lttng_thread
        * Launch application registration thread using lttng_thread
        * Launch the ust registration dispatch thread using lttng_thread
        * Launch the client management thread using lttng_thread
        * Launch the timer thread using lttng_thread
        * Launch the rotation thread using lttng_thread
        * Fix: flush the rotation thread's job queue on exit
        * Stop rotation pending check timer from the rotation thread
        * Launch the notification thread using lttng_thread
        * Launch the health management thread using lttng_thread
        * Launch the ht-cleanup thread using lttng_thread util
        * Add a thread utility class and thread list
        * Don't perform an implicit rotation on session stop
        * Wait for the destruction of sessions before tearing down main thread
        * Fix: rotation_unavailable returned on failure to read time
        * Fix: mark rotation pending check timer is never marked as disabled
        * Acquire a reference to a session when a timer is active
        * Reference count ltt_session objects
        * Fix: typo 'occured' -> 'occurred'
        * Fix: typo 'retrive' -> 'retrieve'
        * Fix: typo 'convet' -> 'convert'
        * Fix: typo 'leat' -> 'least'
        * Fix: max_t/min_t macros are missing cast on input
        * Fix: Connect timeout arithmetic in inet/inet6 (v4)
        * Fix: cmd_snapshot_record can return unexpected error codes
        * Docs: document why a negative socket may be passed
        * lttng-enable-event.1.txt: fix SDT acronym, add missing "are supported"
        * lttng-enable-rotation.1.txt: --timer option should be fairly precise
        * doc/man: remove AUTHORS section
        * lttng-enable-event.1.txt: uprobe: update style and content
        * doc/man: add links between man pages about session rotation
        * lttng-enable-event.1.txt: document dynamic user space probes
        * lttng-{enable,disable}-rotation.1.txt: both types can be specified
        * lttng-disable-rotation.1.txt: remove LIMITATIONS section
        * lttng-enable-rotation.1.txt: add that SIZE/PERIOD are approximations
        * lttng-rotate.1.txt: lttng-relayd(8) also has --output option
        * Fix: sessiond: ust_app_rotate_session error handling
        * Fix: sessiond: snapshot: handle consumer return codes
        * Fix: consumer: snapshot error return code
        * Fix: sessiond: consumer.c: rotation error handling
        * Fix: consumer: rotation error return codes
        * Fix: create_channel_per_pid: remove channel on error
        * Fix: channel errors on local stress-tests
        * Fix: channel_ust_create: remove channel on agent error
        * Fix: cmd_rotate_session() returns unexpected error codes
        * Fix: session rotation logging statement references snapshot
        * Clean-up: typo in logging message Totation -> Rotation
        * Fix: rotation error may leave session in "ONGOING" state
        * Fix: session_list lock must be held to launch a rotation
        * Add an ASSERT_LOCKED(lock) macro
        * Clean-up: move global sessiond symbols out of main.o
        * Fix: split index and data file rotation logic
        * Fix: trace_archive_id is not sent in add_stream command
        * Fix: condition unsubscription error leaves session locked
        * Fix: rotation thread does not unregister from RCU on init error
        * Remove unused nr_stream_rotate_pending from consumer channel
        * Fix: session destruction blocks indefinitely if rotation is ongoing
        * Clean-up: remove non-existent function's declaration
        * Always choose large event header for UST channels
        * Fix relayd: stream index file created in the wrong directory
        * relayd: add payload logging to session rotation commands
        * relayd: rename stream prev_seq to prev_data_seq
        * Fix: take index seq number into account for rotation pending check
        * Fix: take index sequence number into account for data pending check
        * relayd: keep track of prev_index_seq in relayd_stream
        * Fix: session conditions not evaluated at subscription/registration
        * Remove unnecessary check of output parameter
        * Allow get_next_notification to return when interrupted
        * Fix: register rotation thread as RCU thread
        * Docs: comment typo fix (accomodates -> accommodates)
        * Fix: uninitialized variable may be used in local rotation check
        * Rename sessiond-timer.[hc] to timer.[hc]
        * Fix: rotation may never complete in per-PID buffering mode
        * Fix: perform local data pending before checking data pending with relayd
        * Fix: missing header breaks the cygwin build
        * Fix: double put on error path
        * Fix: holding the stream lock does not equate to having data pending
        * Fix: skip uid registry when metadata key is 0
        * Docs: document the meaning of a ust app channel key set to 0
        * Fix: acquire stream lock during kernel metadata snapshot
        * Fix: skip closed session on viewer listing
        * Fix: use LTTNG_VIEWER_ATTACH_UNK to report a closed session
        * Doc: withinin -> within
        * Fix: cleanup relayd sockets on rotation command communication error
        * Fix: perform relayd socket pair cleanup on control socket error
        * Fix: relayd control socket mutex is not destroyed
        * Tests: do not bound test app iterations when in background mode
        * Tests: add missing rotation and autoload tests to check target
        * Tests: remove temporary folder
        * Tests: remove mi result files when done
        * Tests: Remove unused set +x
        * Tests: Kill relayd after sessiond to ensure a clean tear down
        * Tests: Remove unused variable
        * Tests: Use stop relayd from utils.sh
        * Tests: remove declaration already present in utils.sh
        * Tests: added test_autoload to noinst_SCRIPTS
        * Fix: Memory leak on run_as worker restart error path
        * Fix: non-zero return of open handled as error
        * Fix: global run_as worker lock released during restart
        * Fix: runas worker attempts to send invalid fd to master
        * Cleanup: remove superfluous empty line
        * Fix runas: don't attempt close negative fd
        * Fix: tests: missing frame pointer for callstack test on some compiler
        * Set version to 2.12.0-pre
        * Add release name and description to configure.ac

2018-08-31 lttng-tools 2.11.0-rc1 (National Trail Mix Day)
        * Missing kernel test files in dist target
        * elf: support dynamic symbol table lookup
        * Fix: leak of event attributes on copy failure
        * Test fix: check length of input string
        * Test cleanup: wrong indentation style in test_ust_data.c
        * Test fix: leak of exclusions on allocation error
        * Fix: runas check fd value before calling close()
        * Docs: multiple rotation schedules can be active
        * Docs: immadiate rotations can be performed with active schedules
        * Fix: ret variable is used instead of cmd_ret in disable-rotation
        * Cleanup: unused assignation on rotation error
        * Cleanup: unused assignation on rotation already pending
        * Fix: unchecked writer open element return value
        * Remove unused session current_archive_location accessor
        * Fix: incorrect error message on regenerate missing argument
        * Fix: incorrect error message on metadata missing argument
        * Fix: snapshot command mishandles missing arguments
        * Cleanup: improve readability of filter expression condition
        * Fix: potential use of NULL path in stat() use
        * Cleanup: unused assignment of curr_data_ptr in lttng_elf
        * Fix: uninitialized data/ret in runas offset commands
        * Fix: uninitialized fd value used in runas
        * Fix: report setegid()/seteuid() failure in runas
        * Fix: leak of binary path on location creation error
        * Fix: missing return value check in notification serialization
        * Fix: possible leak of path in _utils_expand_path
        * Fix: silent truncation in _utils_expand_path
        * Cleanup: unused assignment of ret_code in ROTATE_CHANNEL
        * Fix: passing null to closedir() on error
        * Fix: unchecked access to pids array
        * Fix: missing jump to error on allocation failure
        * Cleanup: unused assignation of ret value
        * Cleanup: unused assignation of ELF parsing error
        * Fix: leak of probe_locs on error
        * Fix: leak on agent event listing error
        * Fix: possible null dereference on communication error
        * Fix: returned pids may be uninitialized
        * Fix: invalid destruction of lookup_method
        * Fix: unused value in SDT probe description parsing
        * Fix: use of uninitialized variable in C++ userspace-probe testapp
        * Fix: use of uninitialized value in error path
        * Fix: leaking string by setting pointer to NULL before freeing it
        * Fix: passing negative param to dup(2) on error
        * Fix: use-after-free in UST test case
        * Fix: leak in error handling of userspace param parsing
        * Fix: Remove dead code in fd passing function
        * Cleanup: avoid duplicating userspace-probe desc twice
        * Fix: memory leak in userspace probe param parsing
        * Fix: missing error handling goto statement in runas
        * Fix: use-after-free on error of lttng_event creation and copy
        * Add function instrumentation type accessors to function location type
        * Docs fix: probe location description is erroneous
        * Fix: event leak during event load
        * Hide lttng_event_copy symbol
        * Docs: document new lttng_event methods
        * Fix: leak of lookup_method_name in uprobe load
        * Docs: distinction  between function and tracepoint probe locations
        * Fix: abort on unknown location type in destructor
        * Clean-up: location lookup destroy can be type-agnostic
        * Fix: hide internal uprobe configuration symbols
        * Fix: event copy constructor frees original event on error
        * Fix: userspace probe accessors are not const-correct
        * Cleanup: use lttng_* string utility functions
        * Silence macro redefinition warnings on macOS
        * Fix: lttng-save command producing wrong XML fields
        * Error out if filter expression is attached to unsupported event types
        * Implement userspace-probe regression tests
        * Implement lttng-mi for userspace-probe
        * Implement lttng-save and lttng-load for userspace-probe
        * Implement lttng-list for userspace-probe
        * Add --userspace-probe kernel event type
        * Implement $PATH binary searching function for userspace-probe
        * Add userspace location in ltt_kernel_event structure
        * Implement userspace probe location extraction and registration
        * Implement 2-step registration of userspace probe events
        * Use lttng_event_{create, destroy} to manage lttng_event struct
        * Fix: remove unnecessary stderr output on expected behaviour
        * trace_ust_create_event() now returns an error code
        * trace_kernel_create_event() now returns an error code
        * run_as: add extract SDT probe offsets command
        * run_as: add extract ELF symbol offset command
        * run_as: adapt run_as implementation to support complex payloads
        * Add SDT userspace probe location
        * Add lttng_event copy constructor
        * Implement SDT probe description parsing function
        * Add lttng_userspace_probe_location copy constructor
        * Cleanup: move session saving of K(ret)probe and function tracing to dedicated functions
        * Implement ELF function offset extraction function
        * Add utils_expand_path_keep_symlink fonction
        * Fix: kernel adds creds on recv with SO_PASSCRED unix socket option
        * lttng-ctl: implement listing of userspace probe locations
        * Add invalid userspace probe location error
        * Fix: memory is not zeroed on first set_capacity
        * Add a util to create a buffer view from a raw buffer
        * Fix: dynamic buffer mishandles setting capacity to 0
        * lttng-ctl: send userspace probe location on enable_event
        * lttng-ctl: locate extended event attributes at reception
        * Add utils to send file descriptors to the sessiond
        * lttng-ctl: add accessors of userspace probe location to lttng_event
        * lttng-ctl: add userspace probe location interface
        * Add lttng_dynamic_buffer_get_capacity_left util
        * Add ALIGN_TO util to macros.h
        * lttng-ctl: add an lttng_event_extended distinct from communication structures
        * lttng-ctl: move lttng_event functions to a new file
        * Tests: possible NULL dereference in rotation notification test
        * Clean-up: remove dead code from rotation test
        * Fix: size of concrete class used in memcpy of base class
        * Tests: add a session rotation ongoing/completed notification test
        * Clean-up: remove useless check of event name
        * Fix: mix of lttng_error_code and cmd_error_code enums
        * Add notification session rotation hooks
        * Implement rotation command handlers in notification system
        * Fix: return 0 on successful location serialization
        * Fix: return size from location deserialization function
        * Add a trace archive location accessor to the session API
        * Fix: notification channel not released on error path
        * Implement rotation ongoing/completed commands
        * Fix: remove session_info from sessions_ht on destruction
        * Bind newly registered triggers to session or channel objects
        * Docs: clarify the contents of channel_infos_ht
        * Add a hashing function for session rotation conditions
        * Build a list of triggers applying to a given session on creation
        * Add a comment clarifying the ownership of triggers
        * Fix: use condition's type to compute its hash
        * Cleanup: enforce const-correctness in notification thread
        * Fix: add session_info object to sessions_ht
        * Add session rotation ongoing/completed notification commands
        * Add session rotation ongoing/completed conditions
        * Fix: use the correct condition type in logging statements
        * Add a by-address equality short-circuit to condition comparison
        * Fix: assume that conditions are valid before being compared
        * Cleanup: remove superfluous argument to consumed size create
        * Docs: prefer 'release' to 'free' in API documentation
        * Add trace archive location serialization/deserialization methods
        * Tests: add notap versions of start/stop tracing helpers
        * Tests: typo in notification test case description
        * Use the dynamic buffer to serialize notification objects
        * Fix: consumers don't honor protocol on rotate pending relay command
        * Fix: client_list_element leak on failure to evaluate a condition
        * Fix: possible NULL dereference in uri_parse_str_urls()
        * Typo fix in uri parsing error logging
        * Fix: unchecked return value of cds_lfht_destroy
        * Fix: clean-up sessiond condig structure on initialization error
        * Fix: unchecked return value in sessiond path configuration
        * Fix: path leak on formatting error
        * Fix: use of uninitialized 'nb_pipes_fd'
        * Clean-up: useless assert that unsigned value is >= 0
        * Test fix: size schedule leaked in a schedule API test case
        * Fix: unreported error on rotate timer stop failure
        * save/load: support session rotation schedule descriptors
        * mi: serialize relay rotation locations
        * Fix: use negative code for errors in enum
        * Add rotate-client to .gitignore
        * Docs: adapt the rotation client example to the API changes
        * Remove generic error reporting from the lttng client
        * Test: session rotation schedule API
        * rotation-api: introduce rotation schedule descriptors
        * rotation-api: pass session name explicitly
        * Set consumer's verbosity to the max level on --verbose-consumer
        * Fix: Tests: use -no-pie linker option only when available
        * Fix: check for removal of session's shm_path in destroy()
        * Document the contents of the shm_path fields of the ust session registry
        * Implement MI and save/load support for callstack contexts
        * Tests: Add callstack contexts tests
        * Add kernel and userspace callstack event context
        * Fix: missing context enum values in session xml schema
        * lttng-enable-event(1): update the Filter expression section
        * Filter: document ust app ctx limitation
        * Filter: add FILTER_OP_RETURN_S64 instruction
        * Filter: make bitwise and, or, xor higher prio than relational expressions
        * Filter: Update shifting tests
        * Add () for bitwise and comparator tests
        * Filter: Implement rshift, lshift, bit not operators
        * Filters: generate backward compatible "get field" and "get context" instructions
        * Filter: index array, sequences, implement bitwise binary operators
        * Implement support for brackets in filter expressions
        * Tests: add session auto-loading test cases
        * Replace deprecated readdir_r() with readdir()
        * Bash completion: ignore namespace for xmllint parsing
        * Use https in links to the lttng.org website
        * Log the session to which a ROTATE_PENDING command applies
        * Initialize relay_stream chunk_id to its session's current trace archive id
        * Pass the consumerd stream's trace archive id to the relayd
        * Fix: propagate archive id to the consumer daemon on stream creation
        * Typo in ust consumer log message (channek -> channel)
        * Use dynamic payload for the add stream realyd command
        * Dynamic payload for relayd create session command
        * Fix: backward relayd communication compatibility.
        * Add unused attribute to lttng_to_index_major param
        * Replace strncpy by lttng_strncpy in lttngctl session configuration API
        * Replace strncpy by lttng_strncpy in utils_stream_file_name()
        * Use dynamic buffer to build session configuration path
        * Replace strncpy by lttng_strncpy in session config
        * Silence strncpy warning emitted by GCC 8 in XSD path construction
        * Silence strncpy warning emitted by GCC 8 in lttng_strncpy()
        * Silence strncpy warning emitted by GCC 8 in ini parser
        * Fix: use signed variable for refcounting of consumer_relayd_sock_pair
        * Cleanup: sobjd is never used by reply_ust_register_channel()
        * Cleanup: chan is never used by save_agent_events()
        * Cleanup: open_memstream and close_memstream compat is never used
        * Remove unnecessary inclusions of version.h
        * Add multilib test files to .gitignore
        * Cleanup: ua_sess is never used create_ust_app_channel_context()
        * Cleanup: consumer_data is never used by update_kernel_stream()
        * Cleanup: app is never used by alloc_ust_app_session()
        * Cleanup: ust_session_id unused by buffer_reg_uid_consumer_channel_key
        * Cleanup: wpipe already contain kernel_tracer_fd
        * Cleanup: domain type is never used by send_consumer_relayd_socket()
        * Cleanup: uid and gid are never used by run_as_noworker()
        * Cleanup: sessiond_id is never used by relayd_create_session_2_*
        * Cleanup: sock is never used by ask_channel()
        * Cleanup: ctx is never used by monitor_timer()
        * Cleanup: signo is never used by metadata_switch_timer
        * Cleanup: channel is never used by metadata_cache_check_version()
        * Cleanup: relayd id is never used by write_relayd_metadata_id()
        * Cleanup: attr is not used by open_ust_stream_fd()
        * Cleanup: *_domain are never used by create_session
        * doc/man: update rotation man pages to follow API's terminology
        * Print consumerd32/64/kernel configuration
        * Test: change use of space for tabs in utils.sh
        * Tests: add duplicated providers tests
        * Tests: add function to validate the number of an event name in metadata
        * Tests: allow the use of regular expressions to match events
        * Fix: calling ht_{hash, match}_enum with wrong argument
        * Fix: probes should be compared strictly by events metadata
        * Test for lttng-logger
        * Test mi: rename sessiond load directory constant
        * mi: support "add-context --list"
        * Fix: test_ust-dl is generated at configure-time
        * Fix: cmd line options overwrite env variable config options
        * Fix: perform the initialization memory barrier out of loop body
        * Clean-up: explicit mb before decrementing lttng_sessiond_ready
        * Clean-up: use a define for support thread count
        * Port: fix format warnings on Cygwin
        * Add missing include for ssize_t on Cygwin
        * Fix: sessions with agent channels fail to load
        * Fix: don't wait for the load thread before serving client commands
        * Add test_utils_parse_time_suffix to .gitignore
        * Clean-up: kernel_consumer_add_stream() does not need to be public
        * Fix: sessiond fails to launch on --without-ust configuration
        * Fix: agent thread poll set creation failure results in deadlock
        * Fix: test uses sizeof() on the wrong operand of strncpy
        * Rename kernel_consumer_send_channel_stream()
        * Rename consumer_init_channel_comm_msg()
        * Cleanup: send_fds functions are not const-correct
        * Remove unused ltt_session look-up result
        * Clean-up: reduce indentation level of create_channel_per_uid()
        * Enforce locking assumptions during channel creation
        * Cleanup: misleading create_ust_app_session() name
        * Rename rotate_count to current_archive_id
        * Cleanup: name of send_sessiond_channel() is misleading
        * Print the git version used to build from a distribution tarball
        * Docs: lttng-version uses the intransitive form of "broke"
        * Fix: relayd streams can be leaked on connection error
        * Cleanup: fix typo in relayd comment
        * Fix: ret may be used uninitialized in sample_channel_positions()
        * Cleanup: ret is unused in relay_process_data_receive_header()
        * Fix build: in_git_repo is used before being set
        * Fix: partial writes of padding are not checked
        * Propagate whether a connection was closed cleanly or after an error
        * Fix: relayd protocol field present from minor 8 is not checked
        * Add DBG statement for TCP keep-alive options
        * Fix: relay_recv_metadata does not check for partial write
        * Use non-blocking recvmsg() for data/ctrl connections of lttng-relayd
        * Fix: unprivilieged sessiond agent port clashes with root sessiond
        * Fix: erroneous use of extern keyword
        * Fix: failure to launch agent thread is not reported
        * Fix: agent may not be ready on launch
        * Cleanup: misleading variable name
        * Fix: checking for existing session daemon is done after daemonizing
        * Fix: null pointer dereference in lttng_rotation_handle_destroy
        * sessiond: rename syscall.h so it does not conflict with system
        * Tests: Handle rotations happening on two separate days during testing
        * Tests: Clean trace_path after each subtest
        * Tests: Use for loop for identical validation
        * Tests: Count number of chunk using ls
        * Fix: quiet option is not set in sessiond-config
        * Fix: hold consumer socket lock for consumer_send_msg
        * Fix: use signed member to transport enum value
        * Fix: use off_t type for lseek function return value to avoid overflow
        * Extend the rotation API to provide network trace archive locations
        * Increase LTTNG_HOST_NAME_MAX from 64 to 255
        * Add lttng_trace_archive_location lttng-ctl API
        * Clarify notification channel info ht destruction error log
        * Fix: goto end after end label
        * Check return value of cds_lfht_destroy
        * Fix: destroy schedule attr
        * Tests: fix oot and dist for rotation tests
        * Tests: add rotation tests scripts to noinst_SCRIPTS and EXTRA_DIST
        * Tests: SESSION_NAME defined on each iteration of kernel rotation test
        * Tests: Reduce scope of TRACE_PATH to a function
        * Tests: PID_RELAYD is never used
        * Tests: use functions from utils.sh in rotation tests
        * Tests: consolidate session creation with a uri parameter in utils.sh
        * Tests: use modprobe to test for the presence of lttng-modules
        * Tests: missing license header in rotation utils
        * Tests: missing parenthesis in userspace rotation test
        * Tests: use enable_ust_lttng_channel_ok instead of a custom lttng invocation
        * Tests: remove TRACE_PATH at the end of the rotation test only
        * Tests: exit $out gets overridden by EXIT trap from tap/tap.sh
        * Tests: Use SIGTERM instead of SIGKILL
        * Add --post-script to tap-driver.sh
        * Tests: add rotation tests to the "check" target
        * Fix: fail on truncation of kernel channel path
        * Fix: fail on truncation of snapshot path
        * Dedicated error message when relay does not support rotations
        * Fix: add missing includes for embedded help
        * Document tracing session rotation features
        * Check for pending notification on notification channel activity
        * Clarify error logging statement of rotation thread
        * Fix: rotation state marked as completed before relayd has completed
        * Fix: cmd_rotate_set_schedule returns positive error codes
        * Fix: unchecked return value of domain_mkdir()
        * Add initial "no rotation" state to session rotation states
        * Fix: erroneous use of kernel consumer error codes
        * Fix: unhandled prev_seq initial value
        * Size-based rotation
        * Add lttng_notification_channel_has_pending_notification()
        * Fix: channel lock must be taken to check for pending notifications
        * Docs: typo in notification channel header
        * Fix: circular inclusion of lttng.h results in warning
        * Remove unneeded domain.h include
        * Docs: wrong enum value used in evaluation API description
        * Remove unneeded forward declaration in condition headers
        * Add the GMT offset in the rotated chunk path
        * Tests for the session rotation feature
        * Fix validate_trace_empty test check
        * Example client to use the session rotation API
        * Save, restore and list the rotation parameters
        * Session consumed size notification
        * Fix: previous channel total is not updated
        * Add likely/unlikely annotations on channel sample handling path
        * Separate session info from channel info in notification thread
        * Rotate timer
        * Simplify lock handling in enqueue_timer_rotate_job()
        * Use utils_parse_time_suffix in create and enable-channel command
        * Introduce utils_parse_time_suffix
        * Fix: use metadata key instead of fd for consumer rotation command
        * Fix: double similar condition
        * Fix: missing type definitions in mi-lttng-3.0.xsd
        * Fix: out of tree build fails on missing header
        * lttng rotate command
        * Relay rotate pending command
        * Rotate command
        * Sessiond timer thread
        * Fix: ret is uninitialized on standard path
        * Sessiond rotation thread
        * Consumer rotate a channel
        * Consumer perform the rotation when extracting a packet
        * Consumer rotate stream
        * Implement the RELAYD_ROTATE_PENDING relay daemon command
        * Implement the RELAYD_ROTATE_STREAM relay daemon command
        * Channel rotate pipe between sessiond and the consumers
        * Support to dump the kernel metadata cache from the beginning
        * Add ustctl_flush_buffer to the consumer API
        * Common consumer functions to read current positions
        * Dedicated function to wakeup the consumer metadata pipe
        * Keep read-only copies of fields from the channel to the stream
        * Cleanup: keep the number of pipes used by poll in a variable
        * Fix: kernel snapshot handling of EAGAIN
        * Command to rename a folder
        * Fix: create_output_path() relayd util is not const-correct
        * Fix: relayd send_command() util not logging on failure
        * Clean-up: relayd send_command() helper is not const-correct
        * Clean-up: remove unneeded cast
        * Create the session and domain directories on start
        * Command to make a directory on the consumer or relay
        * Use free running metadata channel key between sessiond and kernel consumer
        * Fix: leftover use of channel fd as identifier
        * Clean-up: use LTTNG_PATH_MAX rather than PATH_MAX
        * Keep the base directory of a relay session separate
        * Change trace_path to session_root_path and chunk_path
        * Make kernel tracer version global to the session daemon
        * Clean-up: typo fixes in notification thread comments
        * Bump minor notification protocol version
        * Clean-up: hash table utils are unnecessarily non-const
        * Fix: stream_per_chan_id_ht should allow duplicates
        * Fix: lttng logs nanoseconds
        * Fix: use a free running channel key between sessiond and kernel consumer
        * Tests: Fix: arm64 use sys_openat instead of sys_open
        * Fix: set errno with value from SO_ERROR on error.
        * Fix: missing value handling for lttng_event_context_type
        * Fix: Use SOL_SOCKET level for SO_KEEPALIVE on all platform
        * Fix: error out on leftover arguments
        * Load preemptirq lttng-modules probe
        * Fix: reply to version check even on protocol mismatch
        * Fix: error handling on relay version check
        * Document add-context limitation for started session
        * Fix: add-context cannot be performed after a session has been started
        * Fix: duplicated kernel consumer socket locking
        * Tests: Change syscall tests to use `gen-syscall-events` testapp
        * Tests: Add test app to generate syscalls
        * Tests: Move script synchronization functions to utils library
        * Fix: remove unused event types in MI XML schema
        * Updating lttng-ust-ctl header file
        * Tests: cleanly exit from test apps on reception of SIGTERM
        * Document consumer socket locking assumptions
        * Fix: consumer socket lock not held during snapshot record
        * Fix: set_relayd_for_snapshot does not acquire the consumer socket lock
        * Fix: send_channel_monitor_pipe does not take the consumer socket lock
        * Document the locking assumptions of consumerd-relayd socket passing
        * Assert that the consumer lock is held while sending FDs to consumerd
        * Assert that the consumer socket lock is taken during communication
        * Tests: refuse to run test suite if lttng processes are present
        * Fix: metadata channel leak when using the snapshot tracing mode
        * Fix: do not flag consumer as disabled on relayd comm failure
        * Fix: cleanup inactive FDs in the consumer polling thread
        * man: document dead-peer detection for lttng-relayd
        * lttng-relayd: use TCP keep-alive mechanism to detect dead-peer
        * Tests: add kernel notification tests to the root regression list
        * Docs: clarify which socket serves as the ust_app_ht_by_sock's key
        * Docs: refer to apps_notify_thread instead of 'the other thread'
        * Docs: describe the apps_thread's working in function header
        * Tests: race between consumer pause and trace start/stop
        * Clean-up: remove unneeded rcu_read_lock acquisition
        * Docs: document locking assumption of function
        * Fix: notification thread not notified of channel creation on app error
        * Clean-up: consumer_add_metadata_stream always returns 0
        * Fix: scope ownership of a stream for ust-consumer
        * Clean-up: reduce scope of dyanamically-allocated string
        * Fix: using putenv() and free()-ing the value is invalid
        * Clean-up: unnecessary duplicated call to exit()
        * Fix: unknown consumer type considered a libc error
        * Fix: consumerd(64/32)_lib_dir can be NULL
        * Fix: evaluate trigger condition on registration
        * Fix: nonsensical message printed by lttng track/untrack
        * Fix: O_CLOEXEC is erroneously used on pipe creation
        * Fix: wrong parameter to fcntl in pipe_set_flag
        * Fix: use lttng_clock_gettime instead of clock_gettime
        * Fix: close channel monitor pipe after killing the metadata_timer_thread
        * Fix: path of snapshots with a relay and default URI
        * Fix: use file based synchronization for python logging test
        * Test: add file based synchronization point for python test app
        * Fix: wrong use of the relay_streams_sent in snapshot
        * Fix: the return code of lttcomm_send_unix_sock is signed
        * Fix warning: src/bin/lttng/utils.c: cast incompatible pointer
        * Fix: src/common/pipe.h: include <sys/types.h> for ssize_t and mode_t
        * Fix: detect dlmopen() and disable corresponding tests if not available
        * Fix: Use tmpdir for intermediary files
        * Fix: include scripts for distribution
        * Fix: typo in lttng-consumerd file default
        * Fix: missing NULL checks in logging statements
        * Fix: kernel consumerd sock paths need rundir substitution
        * Test: kernel testing for notification
        * Fix: create lttng run dir regardless of user privilege
        * Fix: Make version.h generation work with dash
        * lttng-enable-event(1): filtering: specify that `$ctx.cpu_id` is available
        * centralize sessiond config option handling
        * Fix: buffer overflow warning in python bindings
        * Tests fix: BT2 does not output the metadata of a trace collection
        * Update version to 2.11.0-pre
        * Typo: occured -> occurred
        * Fix: ensure kernel context is in a list before trying to delete it
        * Harmonize return code conventions in context handling
        * Fix: uninitialized return value on error path
        * lttng enable-channel: disallow --overwrite and --blocking-timeout
        * lttng-enable-channel(1): reword --blocking-timeout, document in description
        * lttng enable-channel: --blocking-timeout opt.: use `inf` instead of -1
        * Cleanup: remove unused internal structure
        * Cleanup: remove unnecessary extern qualifier
        * Docs: document the trigger API
        * Docs: document the notification API
        * Docs: document the notification channel API
        * Docs: document the evaluation API
        * Docs: document the lttng_condition API
        * Docs: document the lttng_buffer_usage condition API
        * Docs: document the lttng_action_notify action type
        * Docs: document the lttng_action API
        * Fix: ambiguous ownership of kernel context by multiple channels
        * lttng-enable-channel(1): move --output description to maintain A-Z ordering
        * lttng-enable-channel(1): document --monitor-timer
        * Prettify channel listing
        * Use pipe instead of eventfd() for notification command queue
        * Cleanup: useless reset of ret to zero
        * Fix: ret is never used on error_open code path
        * Fix: use error code path instead of break when errors happen before execl
        * Cleanup: ignore useless check of execl() return value
        * Fix: wrong variable assignment on error
        * Cleanup: remove dead increment of pointer
        * Fix: missing error handling in use of print_tabs()
        * Cleanup: functions shall have a single exit point
        * Cleanup: remove dead assignment
        * Cleanup: remove dead assignment
        * Cleanup: remove dead assignment
        * Cleanup: remove dead assignment
        * Cleanup: remove dead assignment
        * Cleanup: remove dead assignment
        * Cleanup: remove dead assignment
        * Cleanup: remove dead assignment
        * Cleanup: remove dead assignment
        * Cleanup: dead assignment
        * Fix: ret is used instead or err to set an error code
        * Cleanup: remove dead assignment
        * Cleanup: remove dead assignment
        * Fix: report error using fd instead of ret
        * lttng-enable-channel(1): reword and fix style of --blocking-timeout description
        * Fix: doc/man: use a single XSL file and match local names
        * Tests: rework select_poll_epoll test to improve verbosity on failure
        * Only print relevant session statistics on stop
        * Fix: NULL passed to memcpy in error path
        * Only print relevant session statistics in channel listing
        * Uniformize the printing of units in session listing
        * Fix: lost packet accounting always lost on snapshot
        * Fix: report error on session listing
        * Tests: don't assume a 4K page size in test_notification
        * Fix live-comm: merge TCP socket write-write sequence in a single write
        * Docs: move notification thread documentation to header
        * Docs: grammar fix in comment
        * Fix: evaluate condition/trigger on subscription
        * Test: Trigger conditions is evaluated on subscription
        * save/load: add blocking_timeout attribute to channel
        * Introduce monitor_timer_interval to session configuration schema
        * Test: Reduce scope of variables used in multi app notification test
        * Hide internal buffer-view symbols
        * Hide internal session configuration symbols
        * Hide internal dynamic-buffer symbols
        * Hide internal string-utils symbols
        * Typo: occured -> occurred
        * Fix: join consumer timer thread
        * Cleanup: use CMM accessors for consumer_quit variable
        * Fix: test_utils_expand_path passes NULL to sprintf
        * Fix: reject triggers if they depend on an unavailable feature
        * Fix: check lttng-modules ABI version for RING_BUFFER_SNAPSHOT_SAMPLE_POSITIONS support
        * Fix: Send remove channel to notification thread only when necessary
        * Fix: notification test: resources leak and return handling
        * Fix: parse monitor timer parameter as an unsigned 64-bit integer
        * Introduce "--blocking-timeout" channel parameter
        * Fix: lttng list of channels should return errors
        * Fix: discard event/lost packet counters
        * Fix: test: proper redirection of stderr to stdout
        * Docs: notification comment refers to a structure by its former name
        * Fix: missing errno.h include in time.h compat header
        * Cleanup: remove stale file from .gitignore
        * Disable binaries on platforms where they are not supported
        * Cleanup: add silent rules support for docs
        * Cleanup: popt library detection
        * Cleanup: remove duplicated pthread detection code
        * Cleanup: remove unused m4/libxml.m4
        * Cleanup: bison and flex detection
        * Cleanup: merge two instances of AC_CHECK_FUNCS
        * Cleanup: lttng-ust library detection
        * Cleanup: kmod library detection
        * Cleanup: dlmopen detection
        * Cleanup: uuid library detection
        * Fix: Don't override user variables within the build system
        * Fix: registry can be null on lookup
        * Test: Replace test relying on pselect6(2) man page ambiguity
        * Tests: channel subbuffers must be larger or equal to PAGE_SIZE
        * Tests: regression testing for notification API
        * Tests: add consumer testpoint to pause data consumption
        * Fix: explicitly send client credentials during handshake
        * Test: utils: introduce LTTNG_SESSIOND_ENV_VARS
        * Test: utils.sh: use getconf to start either 32 or 64 consumerd
        * Optimization: remove unnecessary buffer resizes on partial recvs
        * Docs: improve the documentation of the dynamic buffer interface
        * Add comment to round_to_power_of_2()
        * Clean-up: simplify the implementation of dynamic buffer set_capacity
        * Fix: space left in buffer may be uninitilized on capacity increase
        * Assert that dynamic buffer size <= capacity
        * Clean-up: improve readability of dynamic buffer append condition
        * Fix: inbound buffer may be set too short on partial command reception
        * Clean-up: fix misleading code alignment
        * Clean-up: remove useless comment
        * Fix: return LTTNG_ERR_INVALID_TRIGGER on validation failure
        * Fix: missing includes in buffer-usage.h
        * Unit tests for notification api
        * Run unit tests before regression tests
        * Fix: semaphore semantics are expected from notification command eventfd
        * relay: use urcu_ref_get_unless_zero
        * Fix: use "flush empty" ioctl for snapshots
        * Fix: lttng-consumerd: cpu hotplug: send "streams_sent" command
        * Fix: lttng-sessiond: cpu hotplug: send channel to consumer only once
        * Fix: lttng-sessiond: cpu hotplug stream number mismatch
        * Tests: use SIGKILL to shutdown daemons in test_thread_exit and test_tp_fail
        * Fix: consumer_timer_signal_thread_qs waits on LTTNG_CONSUMER_SIG_SWITCH
        * Revert "Fix: futex can be free'd while used by waker thread"
        * Fix: thread exit vs futex wait/wakeup race
        * Fix: use lttng_waiter instead of futex in notification thread
        * Add lttng_waiter utils
        * Fix: pthread_join on thread start error
        * Fix: missing check on notification thread join
        * Fix: status_loc argument of waitpid() is used on error
        * Fix: leak of deserialized trigger sent from client
        * Clean-up: missing static qualifier on internal function
        * Fix: duplicate values used in lttng_evaluation_status enum
        * Fix: missing header inclusions in buffer-usage.h
        * Fix: COMPAT_EPOLL_PROC_PATH is available from Linux 2.6.28
        * Fix: skip empty revents in notificationthread
        * Clean-up: warning caused by unused label
        * Fix: futex can be free'd while used by waker thread
        * Fix: missing header causes build failure with --disable-epoll
        * Fix: return NULL pointer on memory allocation failure
        * Clean-up: unused variable warning in poll compat
        * doc: how to trace consumerd with valgrind
        * Cleanup: initialize kernel ioctl ABI structures to 0
        * Cleanup: initialize data to 0
        * Fix: consumer data lock deadlock caused by monitor timer
        * Fix: assert() on null index_file in lttng_index_file_write()
        * Fix: fail on relayd lookup when finding a relayd is expected
        * Clean-up: use lttng_read() wrapper instead of read()
        * Fix: NULL pointer dereference in lttng_condition_serialize
        * Fix: Exclusion check iterates multiple times on same array
        * Fix: return of free'd string on error in strutils_split()
        * Fix: free of uninitialized value on error path
        * Silence bogus Coverity warning of uninitialized value
        * Silence bogus Coverity warning of uninitialized value
        * Silence bogus Coverity warning of uninitialized value
        * Silence bogus Coverity warning of uninitialized value
        * Fix: dereference before null check of channel attributes
        * Fix: memory leak of client_list_element
        * Fix: unchecked lttng_dynamic_buffer_set_size return value
        * Add 2.10 release beer name and description
        * Build: missing includes for ssize_t definition on Cygwin
        * Fix: consumer-timer.c includes ust-ctl.h even --without-lttng-ust
        * Fix: missing header in Makefile breaks the dist build
        * Tests fix: tracefile-size tests assume PAGE_SIZE subbuffers
        * Fix: use of uninitialized channel attributes in client
        * Clean-up: only declare help_msg in embedded help case
        * Fix: use of session_name instead of channel_name in condition hash
        * Fix: lttng-live: send HUP reply when per-PID streams are gone
        * Test: use output_path instead of argument position
        * Bump default kernel, and UST per-uid/per-pid buffer size
        * Fix: syscall_table_nb_entry invalid value when no syscalls TPs are defined
        * Add string-utils to dist subdirs in libcommon
        * Tests fix: initialize kernel extended channel attributes
        * Tests fix: initialize UST extended channel attributes
        * lttng-enable-event(1): document globbing patterns in event names and filters
        * Tests: add globbing pattern tests to test_java_log4j
        * Tests: add globbing pattern tests to test_java_jul
        * Tests: add globbing pattern tests to test_python_logging
        * Tests: add globbing pattern tests to test_valid_filter
        * Tests: add globbing pattern tests to test_invalid_filter
        * Tests: add globbing pattern tests to test_event_wildcard
        * Tests: add globbing pattern tests to test_exclusion
        * Tests: utils: add gen-ust-nevents-str util
        * Tests: add string-utils library unit tests
        * Add support for "full" star globbing patterns in event names and filters
        * Add string-utils convenience library
        * doc: lttng-destroy(1): document --no-wait option
        * doc: lttng-stop(1): replace tabs with spaces
        * doc/man: add typical `$` and `#` prompts to command lines
        * bin/lttng: remove double "help" command and sort list
        * lttng help: use command's --help directly
        * Add --enable-embedded-help option to embed --help messages in binaries
        * Expose monitor timer interval to lttngctl and client
        * Tests: add placeholder symbol to allow unit tests to link
        * Implement consumer ring buffer position sampling
        * Add new snapshot ustctl API
        * Add kernctl RING_BUFFER_SNAPSHOT_SAMPLE_POSITIONS command
        * Handle trigger registration and unregistration in sessiond
        * Start notification subsystem thread in sessiond initialization
        * Clean-up: fix comment type in lttng-consumerd.c
        * Add the sessiond notification-handling subsystem
        * Clean-up: comment fix in agent_thread_manage_registration
        * Add client notification API
        * Add utils_get_count_order_u64 to utils
        * Implement poll mask modification support in poll wrappers
        * Add the container_of() macro to macro.h
        * Add pipe_release utils to the pipe wrapper
        * Add named pipe support to the pipe wrapper
        * Add non_block version of functions to UNIX socket wrapper
        * Add lttng_buffer_view util
        * Add lttng_dynamic_buffer util
        * Clean-up: fix typo in sessiond main.c comment
        * Docs: fix comment describing ust_cmd_queue
        * Port: Link with no-undefined on Windows
        * Port: win32 DLLs don't support hidden symbols
        * Port: add cygwin support to endian compat
        * Fix: Remove unused headers
        * Fix: tests: register thread for RCU operations.
        * Fix: Lazily initialize max poll set size in poll compat
        * Fix: null dereference on error path for create_ctx_type
        * Fix: test_ust_data dereference of null pointer
        * x is never reused, no need to shift it
        * Fix: test_kernel_data dereference of null pointer
        * Man: move [SESSION] before options
        * Fix: consumerd: add missing put_subbuf for ust and kernel errors
        * Fix: sessiond: only send streams to consumer once
        * Fix: consumerd main: needs to be a registered RCU thread
        * Fix: thread_dispatch_ust_registration needs to be a RCU thread
        * Fix: don't abort metadata push on closed metadata
        * lttng-tools: remove bogus interpreter line from utils shell library
        * Fix: consumerd: order of metadata cache vs stream lock
        * Fix: add missing rcu_barrier before daemon teardown
        * Fix: Add missing pthread.h include
        * Fix: support for older versions of Babeltrace in test script
        * Fix: reverse channel and metadata cache lock nesting order
        * Fix: only lock the metadata_cache in userspace consumers
        * Fix: lock nesting order reversed
        * Fix: lttng-relayd: forcefully close stream on relayd shutdown
        * Fix: protect the channel's metadata stream using the metadata cache lock
        * Fix: double unlock of metadata mutex on error
        * Fix: free previous instance of url (alloc_url) on default live url assignation
        * Fix: add element length check in lttng_index_file_open
        * Assert that index_file does not exist before setting a new one
        * Fix: relayd vs consumerd compatibility
        * tests: Implement tests for lttng-ust LTTNG_UST_BLOCKING_RETRY_TIMEOUT
        * lttng-add-context(1): add missing man: prefix
        * lttng-add-context(1): fix style
        * lttng-snapshot(1): fix style
        * lttng-metadata(1): fix style
        * doc/man: put short option's argument too
        * Remove `metadata` command from various help resources
        * List the `regenerate` command in various help resources
        * lttng-load(1): fix synopsis and style
        * Fix: truncate the metadata file in shm-path
        * Load: add message indication that a name override was carried out
        * Load: expose overrides elements in mi
        * Fix: assign values to path, ctrl and data uris during configuration load
        * Load: test that name override does not have side effects
        * Docs: remove invalid short option -U and move option descriptions
        * Fix: add missing refcount of loaded modules
        * Fix: only unload successfully loaded kernel modules
        * Fix: test cases now rely on explicit workloads
        * m4/pprint.m4: update with correct quoting
        * configure.ac: move warning to end of output for the end user
        * doc/man: only require asciidoc-attrs.conf when building the man pages
        * Test fix: increase test count in plan of test_perf_raw
        * Create a dedicated test suite for Perf
        * Tests: accommodate stricter mktemp implementations in tests
        * Add version info to lttng-relayd help
        * Fix: stop sessiond threads on health thread error
        * Fix: stop lttng-relayd threads on health thread error
        * Fix: report an error if unix socket address is too long
        * Remove unmaintained TODO file
        * Remove outdated comment about run_as open being broken
        * Remove run-as compat wrapper from internal code
        * Fix: save: leak of configuration file fd
        * Update master version to 2.10.0-pre
        * Fix: warn when a loaded session can't be set as the default
        * Warning fix: forward declare struct lttng_ust_calibrate
        * lttng-enable-channel(1): remove redundant --discard from synopsis
        * test: load --override-name
        * load: introduce --override-name
        * man: lttng-load fix up
        * Docs: grammar fix in load.h
        * lttng_ctl: add session_name to load override
        * Fix: test presence of override_attr before accessing its member
        * load: objects returned by getters do not need to be freed
        * Remove lttng_load_session_attr_get_override_path_url
        * Docs: change order of set functions in load.h to match get
        * Remove calibrate documentation
        * Remove calibrate from liblttng-ctl
        * Remove calibrate from lttng-sessiond
        * Remove calibrate from Python bindings
        * Remove calibrate from Bash completion script
        * Remove calibrate tests in Python bindings
        * Remove calibrate command from lttng CLI
        * Build fix: remove load-42-stream.lttng from dist target
        * Test: load --override-url
        * Add --override-url option to load command
        * Apply the overrides attributes during configuration load
        * Clean-up: remove copy-pasted comment from save.c
        * lttng-ctl: add override helper to load api
        * Rename override to overwrite for config_load_session
        * Fix: report truncation on snprintf
        * Fix: check for a session daemon before running load command
        * Fix: ignore SIGPIPE
        * Use lttng api for the load command
        * Fix: use ssize_type for the return value of uri_parse_str_urls
        * Docs: grammar fixes in load.h
        * Fix: wrong api comments for load.h
        * Fix: do not overwrite ret if already set and session found
        * lttng-sessiond: auto-load lttng-probe-i2c module
        * Bump lttng-modules ABI minor version
        * Fix: handle backward compatibility with lttng-modules 2.7
        * Clean-up: remove unnecessary autoconf variable substitution
        * Fix: honor negative (unlimited) app socket timeout
        * Build: Replace use of deprecated AM_PATH_XML2
        * Test fix: set app and network socket timeouts to unlimited
        * Test fix: test_fork can hang while waiting for child pids
        * Test fix: test_daemon can hang while waiting for child pids
        * Test fix: redirect python test subprocess output to /dev/null
        * Build fix: macOS Sierra provides clock_gettime
        * Fix: time redefinition warnings on macOS builds
        * Clean-up: remove unused variable user
        * Cleanup: Remove fun from code base
        * Fix: remove in-place backup suffix argument provided to sed
        * Fix: pass a valid length to accept() on unix domain sockets
        * Log signals received by run_as worker
        * Missing word in worker_sighandler() comment
        * Clean-up snapshot command error reporting
        * Fix: RCU lock imbalance on error in cmd_snapshot_list_outputs()
        * Use -M parameter instead of --manpath when invoking man(1)
        * OOT Build fix: reference the source directory's Python test app
        * Fix: pass NULL to config_load_session instead of an empty string
        * Tests: don't copy test_python_logging explicitly
        * OOT build fix: Missing include of src directory
        * Accomodate BSD sed in version.h generation
        * Port: Detect platforms where librt is required
        * Port: Add OSX clock_gettime compat
        * Port: Add OSX support to socket compat
        * Port: Add OSX support to poll compat
        * Port: Add OSX support to fcntl compat
        * Port: Add OSX compat to sessiond-comm/unix.c
        * Port: Add OSX endian.h compat
        * Port: Add OSX libuuid compat
        * Fix: zero-initialize fd_set
        * Clean-up: missing cast to fd_set*
        * Fix: usage of FD_SET on fd_set > 1024 results in corruption
        * Fix: erroneous usage of addr parameter in mmap()
        * Clean-up: remove useless assignment
        * Fix: missing unmap in test error handling
        * Tests: unchecked pthread_join return value
        * Clean-up: remove negative check against unsigned value
        * Fix: unchecked init_pipe return value
        * Tests: Unchecked pthread_create return value
        * Clean-up: remove useless assignment
        * Tests: Add tracepoints to libbar, libfoo and libzzz
        * Fix: Mark ASCIIDOC_ATTRS_CONF as a dependency of man page targets
        * Test the parsing of perf raw context
        * Enable perf PMU counters by raw ID
        * Run userspace perf tests on non-x86 platforms
        * Tests: adjust ust-dl planned test count
        * Test library load/unload events
        * Add missing ust_app_regenerate_statedump_all stub
        * Clean-up: remove unused ust_app_regenerate_metadata_all
        * Add regenerate command to MI schema
        * Manpage for the regenerate statedump command
        * Tests for the regenerate statedump command
        * Allow regenerating the statedump of a running session
        * Kernel ioctl to regenerate the statedump
        * UST command to regenerate the statedump
        * Rename the "metadata regenerate" command to "regenerate metadata"
        * Typo fix: uninitializez ->uninitialized
        * Fix: handle negative (unlimited) system stack size limits
        * Tests: adjust type declaration test count
        * Fix: protocol mismatch between UST and tools
        * ust-ctl: use fixed-size integer rather than enum
        * Test UST's autoincrementing enumeration values
        * Add support for UST's autoincrementing enum entries
        * Tests: eliminate process timeouts from Python tests
        * Fix: English syntax errors in 'lttng status'
        * Test for select, poll and epoll syscall overrides
        * Tests: tap.sh spams tests' output when no plan is set
        * Fix: Set thread stack size to ulimit soft value
        * Fix: location of various standard headers
        * Fix: missing include ctype.h for isdigit()
        * Fix: strerror_r behavior is glibc specific
        * Fix: error.h -> common/error.h
        * Fix: snapshot del-output with name on musl
        * Fix: sessiond ht_match_event() check if filter is NULL
        * configure.ac: fix --enable/disable-kmod option
        * Tests: spawn ht_cleanup thread in unit tests
        * Lazily initialize max poll set size
        * Revert "Assert that a valid clean-up pipe exists on ht_cleanup_push"
        * tests: test ust snapshot with discard buffers
        * tests: test kernel snapshot with discard buffers
        * Allow channel mode override in snapshot sessions
        * Fix: validate number of subbuffers after tweaking properties
        * Use bool type for save command options
        * Clean-up: harmonize popt option declarations in save.c
        * Clean-up: move mi_writer declaration with other declarations
        * Add name omission and output omission on save to lttng-ctl
        * Express overwrite attribute as a byte in communication protocol
        * Assert that a valid clean-up pipe exists on ht_cleanup_push
        * Fix: do not refer to objects as .o
        * Fix: do not link against libtool .o objects
        * Fix: Define MANPATH in config.h
        * Tests: Make warn_processes.sh more portable
        * Fix: add missing script to dist
        * Fix: leak of UST app hash tables
        * Fix: leak of reply buffer on data pending check
        * Fix: call xmlCleanupParser to free global libxml2 allocations
        * Fix: missing "void" parameter of lib constructor and destructor
        * Docs: fix comment typos in lttng-sessiond's main.c
        * Fix: lttng-relayd allow binding of privileged ports for non-root users
        * relayd: optimize receive throughput
        * Clean-up: harmonize kernctl API error checking
        * Introduce LTTNG_IOCTL_CHECK and LTTNG_IOCTL_NO_CHECK macros
        * Fix: enforce assumption that lttng-modules ioctl() return <= 0
        * Fix: reduce scope of kconsumer consumed_pos and produced_pos
        * Docs: document safety of consumer_thread_is_ready access
        * Clean-up: unused ret values in thread_manage_health
        * Clean-up: remove dead code in sessiond's set_option()
        * Fix: set the logger level to prevent unexpected level inheritance
        * Typo: Stoping -> Stopping
        * Typo: occured -> occurred
        * Fix: only perform lttng_consumer_sync_trace_file() in local mode
        * Make lttng_consumer_sync_trace_file static
        * Fix: don't negate posix_fadvise return value to check error
        * Fix Solaris 10 build: use lttng_strnlen() wrapper
        * Rename lttng_error_type to lttng_error_level
        * Cleanup error.h __lttng_print() used for message printing
        * Update coding style document for macro style
        * Fix: coding style document has erroneous semicolon at end of macro
        * Fix: add missing semicolons after MSG, DBG, ERR print macros
        * Tests: inverted condition in test_kernel_data
        * OOT build fix: asciidoc.conf is now a source file
        * lttng-create(1): use attributes for default ports
        * lttng-create(1): add xrefs to creation mode definitions
        * lttng-create(1): use the correct DATAPORT/CTRLPORT variables
        * lttng-create(1): use def list for net protocols
        * lttng-create(1): add relay mode
        * doc/man: put AsciiDoc attributes in their own file
        * test: UST tracing destroy flush behavior with tracefile rotation
        * test: kernel tracing destroy flush behavior with tracefile rotation
        * Add environment variable to allow abort on error
        * Fix: ust-consumer: flush empty packets on snapshot channel
        * Fix: WARN() should print as WARN level, not ERR
        * Fix: error.h: add missing parenthesis around macro parameter
        * Fix: bogus mask on error.h PRINT types
        * Fix: kernel tracing: flush after stop
        * Fix: UST should not generate packet at destroy after stop
        * Tests: remove flaky '*' kernel wildcard test
        * Fix: bad file descriptors on close after rotation error
        * Fix: configure.ac: allow --disable-python-bindings
        * Fix: merge tap tests stdout and stderr
        * Fix: posix_fadvise wrapper returns -ENOSYS on FreeBSD
        * Fix: Double free in utils_partial_realpath error path
        * Fix: remove logically dead code in send_channel_uid_to_ust
        * Fix: unchecked return value in low throughput test
        * Tests: abort() exclusion test on allocation failure
        * Fix: unchecked posix_fadvise() return value
        * Fix: unchecked return value in relayd live.c
        * Fix: unchecked return value in trace_clock_read64_monotonic
        * Clean-up: remove unnecessary blank line
        * Fix: initialize the cur_event variable before using it
        * Fix: Dereference after NULL check in consumer
        * Tests: abort test on memory allocation failure
        * Fix: pointer dereference after NULL check in test_create_ust_event_exclusion
        * Fix: NULL pointer dereference in relay_index_get_by_id_or_create
        * Clean-up verbosity incrementation in set_option
        * Fix: Deference after null check in sessiond set_option
        * Docs: clarify comment in parse_pid_string()
        * Fix: Wrong sizeof argument in pid tracker
        * Fix: tests: incorrect uri index
        * Fix: Integer overflowed argument
        * Fix: macro compares unsigned to 0 (no effect)
        * Fix: Free variable before strdup() in process_event_node
        * Fix: Free variables before strdup()
        * Fix: Add missing free() in spawn_viewer
        * Fix: Add missing free() in utils_partial_realpath
        * Fix: Use distinct variables for ret and discarded_events
        * Fix: Don't try to show manpage when argv is null
        * Fix: Use secure_getenv() in get_man_bin_path
        * Fix: illegal memory access in test_create_ust_event_exclusion
        * Fix: illegal memory access in test_create_ust_event
        * Fix: illegal memory access in test_create_kernel_event
        * Fix: illegal memory access in test_create_ust_channel
        * Fix: illegal memory access in send_viewer_streams
        * Simplify rcu locking in viewer_list_sessions
        * Fix: illegal memory access in viewer_list_sessions
        * Fix: illegal memory access in relayd_add_stream
        * Fix: illegal memory access in relayd_create_session_2_4
        * Fix: illegal memory access in session_create
        * Fix: illegal memory access in consumer_set_subdir
        * Fix: illegal memory access in syscall_init_table
        * Fix: illegal memory access in write_pidfile
        * Fix: illegal memory access in list_lttng_channels
        * Fix: illegal memory access in cmd_snapshot_record
        * Fix: illegal memory access in output_init
        * Fix: illegal memory access in consumer_set_network_uri
        * Fix: illegal memory access in cmd_snapshot_list_outputs
        * Fix: illegal memory access in list_events
        * Fix: illegal memory access in disable_event
        * Fix: illegal memory access in enable_event
        * Fix: illegal memory access in add_uri_to_consumer
        * Fix: illegal memory access in init_ust_event_from_agent_event
        * Simplify free() of channel attribute
        * Fix: illegal memory access in _cmd_enable_event
        * Implement lttng_strncpy safe string copy
        * Add missing symbol to preserve ABI compatibility of liblttng-ctl
        * Fix: loading a session prints an error message but the load is successful
        * Snapshot warning if there are no events in one of the domains
        * Clarify kernel version check error messages
        * Tests: same event name with different descriptor on load
        * Fix: load event state (enabled/disabled) correctly
        * Fix: Error reported if no domain is provided for start/stop
        * Handle unknown domain in MI
        * Handle unknown domain on session start
        * Fix: loading of live session within userspace domains
        * Test: expose session url bug on load with multiple domains
        * OOT build fix: asciidoc.conf is now generated at configure
        * Snapshot: record: use same datetime for snapshot folder output
        * Refactor: move the snapshot type check into output type check
        * ust-metadata.c: nest/indent enumeration entries
        * lttng.c: show basic help when no arguments are provided
        * Define command short descriptions in configure.ac
        * lttng-relayd(8): $HOME -> $LTTNG_HOME
        * doc/man: use propagated default values in man pages
        * Propagate default values from configure.ac to asciidoc.conf
        * Define default values in configure.ac
        * lttng-load(1): use lists to explain the input path behaviour
        * lttng-sessiond(8): fix load directories and behaviour
        * lttng-load(1): specify default search order
        * doc/man: use configured directories in man pages
        * doc/man/asciidoc.conf: add doctype-manpage conditions
        * doc/man: linklttng macro -> man macro
        * doc/man/Makefile.am: add failing dist-hook on --disable-man-pages
        * doc/man/Makefile.am: fix top comment
        * configure.ac: fix --enable-man-pages help string
        * Fix: standardize parser/lexer building
        * Fix: standardize man pages building/installing
        * configure.ac: check for an existing liburcu-cds symbol
        * configure.ac: use macro for wrong liburcu error message
        * Hide parse_application_context utility function
        * Re-add deprecated MI symbols to preserve ABI compatibility
        * Hide new MI symbols introduced as part of 2.8
        * Re-add default size symbols which were erroneously exposed
        * Hide config symbols introduced in 2.8
        * Hide internal _lttng_destroy_session symbol
        * Hide bytecode symbol iterator API symbols
        * Tests: wording of trace_matches is misleading
        * Test lttng-modules clock override plugin
        * Warning fix: uninitialized variable may be used
        * Tests: Replace prove by autotools tap runner
        * Drop installcheck target
        * Fix: distcheck requires that we clean version.h
        * Fix: configure: forbid Python bindings if shared libraries are disabled
        * Fix: tests: don't match command line arguments, match static build binary names
        * Fix: tests: skip tests on static build
        * Fix: tests: don't build dynamic lib tests if support disabled
        * bootstrap: Standardize on autoreconf -vi
        * Move unix.h wrapper from sessiond-comm to common
        * Fix: update tests following renaming of UST statedump event
        * Typo: catched -> caught
        * Add comment describing ioctl number duplication
        * Test: kill sessiond,relayd and background children on SIGTERM/SIGINT
        * Docs: Remove unnecessary exclamation mark
        * Docs: fix wording of dependency
        * Docs: fix "daemon" typo in README.md
        * Fix: Use get_domain_str on add context
        * Warning fix: possible use of uninitialized variable
        * doc/man: add FILES section
        * Test: xsd validation of long path (length > 255)
        * Fix: xsd: urls and paths are not of type name_type but string
        * Refactor: embed mi in "add_output "to remove code duplication
        * Refactor: embed mi in "del_record" to remove code duplication
        * Refactor: embed mi in "record" to remove code duplication
        * Refactor: embed mi in "list_output" to remove code duplication
        * Fix: do not return error on LTTNG_ERR_SNAPSHOT_NODATA
        * Fix: Set loopback adress in set_ip_addr if gethostbyname2 fails
        * Fix: d_type validity is not guaranteed on all nfs versions
        * Fix: doc/man: lttng-add-context(1): add missing option macro
        * doc/man: common-footer.txt: add CI link
        * doc/man: common-footer.txt: add GH organization link
        * doc/man: lttng(1): clarify UST domain and add links to languages
        * doc/man: add escwc macro and use it
        * doc/man: lttng(1): link from COMMAND (synopsis) to COMMANDS section
        * doc/man: use linkgenoptions macro
        * doc/man: add linkgenoptions AsciiDoc macro
        * .gitignore: ignore all generated files in doc/man
        * doc/man: fix external links
        * doc/man: xsl: move manpage-base.xsl -> manpage-callouts.xsl
        * doc/man: xsl: move manpage-ulinks.xsl -> manpage-links.xsl
        * doc/man: xsl: add <URL> after ulink text
        * doc/man: xsl: add (internal) link template
        * doc/man: lttng-enable-channel(1): move limitations to own section
        * Fix: doc/man: lttng-relayd(1) -> lttng-relayd(8)
        * doc/man: add nloption and genoption AsciiDoc macros
        * doc/man: add [role="term"] to terminal callouts
        * Clean-up shm directory tree after freeing the channel
        * Fix: Build man pages if --enable-build-man-pages is used
        * Fix: convey enum value signedness into metadata
        * doc/man: add notes about shell escaping
        * Fix: doc/man/Makefile.am for OOT builds
        * Generate man pages by default
        * Update version to 2.9.0-pre
        * Bump minor kernel tracer ABI version
        * Quote brewery names in release codename description
        * Fix: metadata regenerate, error if too many args
        * Fix: add missing sys/types.h header
        * Fix: build failure when __GLIBC_PREREQ is missing
        * configure.ac: beautify report
        * Update version codename and description to 2.8.0 - Isseki Nicho
        * doc/man: lttng.1.txt: sort commands in categories
        * Data pending message is printed when unnecessary
        * README.md: add CI/Coverity status badges
        * README.md: add lttng-crash in package contents
        * Show lttng-metadata man page in command's --help
        * Add an lttng-metadata man page
        * Remove untrack reference from snapshot man page
        * README.md: add optional dependency on man
        * doc/man: install lttng-health-check.3
        * lttng-relayd: show man page with --help and remove usage
        * doc/man: convert lttng-relayd(8) to AsciiDoc
        * lttng-crash.c: show man page with --help and remove usage
        * doc/man: convert lttng-crash(1) to AsciiDoc
        * lttng-sessiond: show man page with --help and remove usage
        * doc/man: convert lttng-sessiond(8) to AsciiDoc
        * README.md: bolden all dependencies and versions
        * README.md: add asciidoc and xmlto build dependencies
        * lttng.c: sort commands to get a nice list output
        * doc/man: add README.md
        * lttng: add `help` command
        * lttng.c: show man page with --help and remove usage
        * lttng.c: CMD_UNDEFINED is used for invalid args too
        * lttng: remove usage strings from commands
        * lttng: show man page when using command's --help
        * lttng add-context: add --list option
        * doc/man: remove lttng.1 (built from lttng.1.txt)
        * doc/man: create lttng-disable-event(1) and update/fix content
        * doc/man: create lttng-enable-event(1) and update/fix content
        * doc/man: create lttng-snapshot(1) and update/fix content
        * doc/man: create lttng-help(1) and update/fix content
        * doc/man: create lttng-status(1) and update/fix content
        * doc/man: create lttng-untrack(1) and update/fix content
        * doc/man: create lttng-track(1) and update/fix content
        * doc/man: create lttng-calibrate(1) and update/fix content
        * doc/man: create lttng-list(1) and update/fix content
        * doc/man: create lttng-add-context(1) and update/fix content
        * doc/man: create lttng-disable-channel(1) and update/fix content
        * doc/man: create lttng-enable-channel(1) and update/fix content
        * doc/man: create lttng-view(1) and update/fix content
        * doc/man: create lttng-version(1) and update/fix content
        * doc/man: create lttng-stop(1) and update/fix content
        * doc/man: create lttng-start(1) and update/fix content
        * doc/man: create lttng-load(1) and update/fix content
        * doc/man: create lttng-save(1) and update/fix content
        * doc/man: create lttng-set-session(1) and update/fix content
        * doc/man: create lttng-destroy(1) and update/fix content
        * doc/man: create lttng-create(1) and update/fix content
        * doc/man: add common OPTIONS head for command man pages
        * doc/man: add Makefile.am for generating man pages
        * .gitignore: ignore generated man page artifacts
        * doc/man: add XSL files for man pages
        * doc/man: add asciidoc.conf
        * configure.ac: check for asciidoc and xmlto
        * doc/man: lttng(1): update and standardize content
        * doc/man: convert lttng(1) to AsciiDoc
        * Add builtin modules support to kmod modprobe
        * Add comments to kmod functions
        * Add libkmod rmmod support
        * Move libkmod ifdef to beginning of file
        * Drop optional control modules load and unload
        * Fix: live test header endianness
        * Document the live detach command
        * Test the viewer detach command
        * Use of bare attribute directives instead of LTTNG_PACKED
        * Live: command to detach a viewer session
        * Contexts for RT debugging
        * Optional test for the metadata regeneration
        * Add MI output to the metadata regenerate command
        * Tests for metadata regenerate
        * Add TAGS files to .gitignore
        * Fix: systematic overwrite of union values on add context
        * Mismatching signature of ust_metadata_session_statedump() stub
        * Fix: Initialize events discarded and packet lost counters to zero
        * Assert on unknown UST buffer type
        * Command metadata regenerate
        * Store the relay protocol version in the consumer_output
        * Store the version of the tracer in the UID registry
        * Store the instance id and packet_seq_num in indexes
        * kernctl commands to extract the stream instance id
        * Account the lost packets in snapshot mode
        * Test: Add the lttng-runas worker process to the sessiond pids
        * Limit the scope of IFS overwriting
        * Do not overwrite IFS globally but only locally
        * Display discarded and lost events at destroy and stop
        * Fix: tests: use SIGSTOP for crash extraction test
        * Test fix: ignore stderr at every step of randstring
        * Fix: session_find_by_id can return NULL legitimately
        * Fix: mark ltt_sessions_ht_destroy as static
        * Docs: Missing locking assumptions in function headers
        * Test fix: ignore stderr when generating random string
        * Fix: hold session list lock during delete_ust_app
        * Test: prevent the spawning of a daemonized sessiond
        * Missing void in function signature
        * CLI: Show filter expression associated to a syscall
        * Fix: missing dereference when computing extended info position
        * Fix: Only save kernel enablers in session configuration
        * Fix: Only list kernel enablers when listing events
        * Fix: syscalls hash table leaks when listing kernel events
        * Initialize command header to zero
        * Rename filter string to filter expression in liblttng-ctl
        * Fix: use of unsigned variable to check for negative return
        * Clean-up: remove unreachable goto
        * Fix: missing static inline breaks --without-lttng-ust build
        * lttng enable-channel memsets lttng_channel to -1
        * Change padding type from array to fixed-width integer
        * Clean-up: missing space between cast operator and operand
        * Ensure UST channel output mode is LTTNG_UST_MMAP
        * Extract the lost packets and discarded events counters
        * Send extended channel payload to client
        * Add channel discarded events and lost packets stats accessors
        * Add extended info to liblttng-ctl's struct lttng_channel
        * Reuse constant string instead of duplicate literal
        * Clean-up: simplify computation of string position
        * Optimization: lttng UI uses sprintf instead of strcpy
        * Fix: OOT build fails because of missing include path
        * Tests: Consider lttng mi namespace in test_load
        * MI: Remove boolean "exclusion" element
        * MI: add <exclusions> (event exclusion names)
        * CLI: show event exclusion names
        * Add new LTTNG_ERR_OVERFLOW error code
        * Add lttng_event_get_exclusion_name*() to liblttng-ctl
        * Tests: Consider lttng mi namespace in test_mi
        * MI: Implement event context schema change
        * MI: Add application context type to schema
        * MI: add schemaVersion attribute to command schema
        * MI: set machine interface XSD target namespace
        * Add schema information to XML MI output
        * Fix: libxml2 may return 0 because of buffering
        * Bump LTTng MI schema to 3.0
        * MI: add <filter_expression> (event filter expression)
        * Transfer UST exclusion names from sessiond to client
        * Fix: return negative error code in list_lttng_ust_global_events()
        * CLI: show agent event filter string
        * CLI: show event filter string
        * Add lttng_event_get_filter_string() to liblttng-ctl
        * Transfer filter strings from sessiond to client
        * Refactor setup_lttng_msg() to include cmd header
        * Add offset comments to struct lttng_event
        * Add command header to sessiond->client response msg
        * Add internal extended channel structure
        * Metadata for instance_id and packet_seq_num
        * Add a HT to lookup sessions by id
        * Explicitly stop the session on lttng destroy
        * Fix: per-pid ust buffers flush race with application unregister
        * Fix warning when building Python bindings
        * Add CONTRIBUTING.md
        * Revert "Python bindings: remove duplicate structure definitions"
        * Docs: clarify cross-version tracer compatibility
        * Cleanup: Remove unnecessary newline
        * Fix: Use ipv6 loopback adress in test_uri
        * Python bindings: remove duplicate structure definitions
        * Fix: test: handle env variables undefined
        * Fix: report already enabled event error to client
        * Docs: add comment to cmd_add_context()
        * Fix: application context leak when enabling context
        * Fix: string leak when processing of client message fails
        * Fix: missing return code initialization on error
        * Fix: unchecked return value in _lttng_variant_statedump()
        * Fix: Possible use-after-free in create_ctx_type()
        * Fix: filter tests now accept "." in identifiers
        * Fix: Don't notify agent of non-app context addition
        * Create agent on channel creation
        * Introduce application contexts to session configuration schema
        * Fix typos in error descriptions
        * Enable agent application contexts if filter has such dependencies
        * Compare provider and context names in trace_ust_match_context
        * Allow $app.provider:ctxname in filter, enum, variant identifiers
        * Add variant type support to ust registry and metadata
        * Notify java agent of enabled application contexts
        * Add app context support to lttng client
        * Enforce const-correctness in UNIX socket wrappers
        * Remove superflous domain check in context_ust_add
        * Remove superflous domain check in add_uctx_to_channel
        * Use lttng_domain_type enum instead of bare integer
        * Add application context support to lttng-ctl lttng_add_context
        * Cleanup comments in lttng-ctl.c
        * Tests fix: source utils.sh before using conf_proc_count
        * Tests: use configured processor count in getcpu override tests
        * Tests: use configured processor count in snapshot tests
        * Tests: Introduce conf_proc_count()
        * Tests: print a more precise test description in snapshot tests
        * clock offset: print negative value in metadata for lttng-ust metadata
        * Fix: handle negative clock offset for lttng-ust metadata
        * Fix: test: append to LD_LIBRARY_PATH
        * Fix: test: use load_path instead of $1
        * Bump lttng-ust protocol version to 6.1
        * Add CTF enum type support for UST registry
        * Cleanup __lttng_print macro indentation
        * Fix: do not print error and bug messages when quiet (-q) is present
        * Fix: test_ust-dl requires bash
        * Fix: test script requires bash
        * Fix: missing $ in SED variable
        * Tests: fix make targets using objcopy
        * Build: fallback to AC_CHECK_LIBS when looking for popt and uuid
        * tests/unit: fix object files' location
        * configure.ac: fix static build
        * Tests: fix tracefile count when page_size is > 4k
        * configure.ac: use $withval with AC_ARG_WITH
        * Fix: close indexes when rotating the trace files in mmap mode
        * Fix: close indexes when rotating the trace files in splice mode
        * Clarify error message on "add context" failure
        * Fix: Don't spam session daemon logs on invalid UST context
        * Tests: getcpu_override: use event delay when launching with wrapper
        * Tests: getcpu: no events shall be emitted at the same timestamp
        * Tests: Switch test apps to use usleep_safe()
        * Tests: Add a test utils library
        * Fix: redefinition of _GNU_SOURCE
        * Tests: only call usleep if the test in configured to wait
        * Test: add UST dl helper test
        * Test: add UST baddr statedump test
        * lttng: add status command
        * lttng: factor out declaration of commands
        * make check: add warning when LTTng processes are running
        * Missing cpu id kernel context in the kernel tracer ABI
        * Use --without-lttng-ust in error message
        * Use --with/--without for lttng-ust support
        * Only compare "bison -y" to the basename of YACC variable
        * Tests: Add debug output to getcpu_override
        * Tests: Change description of clock-override test
        * Add event exclusion test for identical names
        * Warn when exclusion names are truncated
        * Truncate exclusion names to have a terminal '\0'
        * Ignore exclusion names order when matching events
        * sessiond-comm.h: fix whitespaces
        * Disallow duplicate event exclusion names
        * Add LTTNG_EVENT_EXCLUSION_NAME_AT() helper macro
        * Fix: lay out names in exclusion structure correctly
        * Fix: Check for NULL hash tables on relay daemon teardown
        * Fix: Verify directory's existence before calling mkdir
        * Clean-up: declare variables at beginning of scope
        * Load x86-exceptions lttng-modules probe
        * Load x86-irq-vectors lttng-modules probe
        * Agent: Make the agent protocol consistently network endian
        * Clean-up: Remove unused variables from default.c
        * Fix: Unchecked NULL string in logging statement
        * Fix: include the filter expression in agent events' primary key
        * Add the filter expression to the enable_event agent protocol message
        * Add some IDE project files to the gitignore
        * Fix live timer calculation error
        * Don't initialize defaults in library constructor
        * Initialize lttng_ht_seed on hashtable creation
        * Cleanup: Missing space after cast operator
        * Build: Switch from tar v7 to posix archive format
        * Fix: Retry poll on interruption
        * Port: Explicitly allocate realpath() resolved buffer
        * Select which binaries/extras to build at configure time
        * Move libconsumer under common/consumer/
        * Fix: There is more tests than the plan
        * Remove dead check from configure.ac
        * Fix: Silence warning by casting *sin_addr to *sockaddr
        * Port: fix 'ERR' conflict with Solaris regset.h
        * Relay protocol: check string lengths
        * Fix: Silence warning of function having no return value
        * Fix: Silence warnings when using uid_t and pid_t with printf
        * Port: Add compat for platforms with no MSG_NOSIGNAL or SO_NOSIGPIPE
        * Port: Add Solaris compat to sessiond-comm/unix.c
        * Port: Add Solaris compat for netdb
        * Fix: Silence warning formating pid_t as int
        * Port: Add Solaris dirent compat
        * Port: Add Solaris paths compat
        * Rename config.h to session-config.h
        * Port: Remove _GNU_SOURCE, defined in config.h
        * Port: cleanup and portability fix to configure.ac
        * Port: Don't use SIGUNUSED which is not defined on Solaris
        * Port: Implement prctl wrapper
        * Port: Replace flock with fnctl
        * Port: make bootstrap script work on most shells
        * Port: removed unused clone() compat
        * Port: Add macro for socket linking on solaris
        * Port: Add Solaris support to mman compat
        * Port: Replace dirent->d_type by stat
        * Add missing include for memset()
        * Port: Add Solaris support to socket compat
        * Port: name clash on Solaris, rename sun to s_un
        * Port: move memset of anc_buf inside ifdef
        * Port: Add Solaris fls compat
        * Port: Add Solaris string compat
        * Port: Use LTTNG_PATH_MAX instead of PATH_MAX
        * Port: Use LTTNG_HOST_NAME_MAX instead of HOST_NAME_MAX
        * Port: Use LTTNG_NAME_MAX instead of NAME_MAX
        * Port: Add Solaris support to socket compat
        * Port: Add Solaris support to poll compat
        * Port: Add Solaris support to fcntl compat
        * Port: Add Solaris endian.h compat
        * Fix: Use 'echo' in a portable way
        * Fix: Use result of AC_PROG_* when using sed / grep
        * Cleanup: Remove commented-out constant
        * Fix: use start and stop sessiond from utils.sh
        * Fix: Remove dependency on glibc 2.12 caused by pthread_setname_np
        * Fix: Log and ignore SIGINT and SIGTERM in run_as worker
        * Add logging to the run_as worker
        * Fix: Handle EINTR of waipid in run-as worker
        * Fix: Handle EINTR of waitpid when spawning a session daemon
        * Fix: tests: support systems where PAGE_SIZE is not 4096
        * Test: jul/log4j: use -a instead of '*' to disable all events
        * Reword warning on event disable
        * Clean-up: Remove unused test launchers
        * Help: add -j -l -p option to help string
        * man: update disable-event section
        * Use empty event name on disable -a for ust and agent domain
        * Fix: disable kernel event based on name and event type
        * Tests: Clean-up test-crash on SIGTERM and SIGINT
        * Fix: Possible dereference of null pointers
        * Fix: Break out of loop when searching for a domain's agent
        * Fix: int printed as uint
        * Fix: add subdir-objects to Makefile.am
        * Fix: tests: skip UST perf tests if not root
        * Fix: Check use_clone() instead of worker in run_as
        * Fix: Perform rcu barrier before tearing down the run-as worker
        * Fix: Handle hang-up gracefully in run-as
        * Fix: Only log app handle release on failure
        * Fix: shm-path: handling of snprintf return value
        * Fix: Wrong format specifier used in debug statement
        * Tests: Swap usages of pidof for pgrep --full
        * Tests: indefinitely wait for shm buffers to be unlinked
        * Fix: Hide run-as functions
        * Fix: Hide sessiond-comm functions
        * Cleanup: remove duplicated implementation of rculfhash
        * Fix: relayd: don't call lttng_ht_destroy in RCU read-side C.S.
        * Fix: libc internal mutex races with run_as
        * Fix: Hide readwrite symbols in common lib
        * Fix: Hide pipe symbols in common lib
        * Fix: Hide daemonize symbols in common lib
        * Fix: Hide RCU hashtable wrapper symbols
        * Clean-up: NULL free'd pointers in utils_partial_realpath
        * Fix: prevent dangling pointer in utils_partial_realpath
        * Fix: rcu_read_unlock without parentheses has no side-effect
        * Fix: add missing test file to EXTRA_DIST
        * Format utils.sh messages
        * Tests: use functions from utils.sh
        * Report error if any disable action fails
        * Fix: disable all ust events
        * Bring back event_ust_disable_all_tracepoints
        * Fix: sessiond: disable: match app event by name
        * lttng-crash: support symlink
        * Test: lttng-crash and ust shm path
        * Fix: dereferencing null index pointer
        * Fix: leaking memory from strdup in lttng-crash
        * Fix: memleak in utils_partial_realpath
        * Fix: double free on enable-event
        * Remove dead code from filter grammar test
        * Remove dead code from ir generation filter visitor
        * Remove dead code from session daemon
        * Remove dead code from view command
        * Remove dead code from disable-channel command
        * Remove dead code from disable-event command
        * Fix: error on no/multiple domain options
        * Fix: lttng-crash: segfault when parsing options
        * Remove dead code from the calibrate command
        * Remove dead code from add-context command
        * Print relayd stream indexes
        * Enhance relayd error reporting
        * Fix: relayd: handle consumerd crashes without leak
        * Fix: LPOLLHUP and LPOLLERR when there is still data in pipe/socket
        * Fix: double RCU unlock on event_agent_disable_all
        * Fix: unbalanced RCU read-side lock in enable event command
        * Add rcu_read_ongoing() assertions around process_client_msg
        * Clean-up and simplify event_agent_disable_all
        * Document locking assumption of agent_find_event()
        * Fix: disable agent events by name
        * sessiond: add loglevels_match()
        * Fix: include loglevel type in agent event's primary key
        * Fix: include loglevel type in UST event's primary key
        * sessiond: use `loglevel_value` and `loglevel_type` names
        * Tests: kernel wildcards
        * Tests: fix wildcard test path
        * doc: document untrack command in lttng(1)
        * doc: document track command in lttng(1)
        * Remove dot after enable-event message
        * Fix: don't print the default channel name when enabling agent events
        * Fix: fail gracefully on --exclude on unsupported domains
        * Fix: initialize live_timer to 0 for snapshot session
        * Fix: correct mismatched function signatures
        * Clearer error reporting when failing to launch session daemon
        * Daemonize sessiond on `lttng create`
        * Fix: consumer signal handling race
        * Fix: list_ust_events(): dangling pointer
        * Fix: MI: close domain when listing multiple agent domains
        * Tests: expand UST wildcard tests, move to regression/tools
        * Tests: kernel filtering
        * Fix: use pid element instead of process element
        * Fix: race between kconsumerd and sessiond on tear down
        * Fix: Buggy string comparison in ust registry ht_match_event
        * Fix: Bad cast of lttng_kernel_instrumentation to lttng_event_type
        * Fix: Implicit cast from lttng_loglevel_type to lttng_ust_loglevel_type
        * Fix: lttng-crash: remove tmp working directory
        * Clean up: Coding style conformance adjustments in lttng-crash.c
        * Fix: lttng-crash: DIR leak in delete_trace() on error
        * Fix: Possible passing of NULL pointer to memcpy()
        * Fix: Overwrite of ret in relay_recv_metadata
        * Silence undefined return value warning
        * Silence use-after-free static analysis warning
        * Fix: Wait for in-flight data before closing a stream
        * Fix: unpublish stream on close
        * Fix: lttng-crash: fd leak
        * Fix: Invalid parameter error reported when untracking PID
        * Fix: kernel track/untrack error handling
        * Fix: Python agent tests are always skipped
        * Tests: Fix flaky live test client
        * Fix: Announce empty streams on live attach
        * Fix: relayd: file rotation and live read
        * Fix: relay: viewer_get_next_index handle null vstream
        * Fix: relayd: make viewer streams consider metadata sent
        * Fix: don't expose empty streams
        * Fix: relayd: don't check new metadata on get packet
        * Fix: relayd: don't check for new streams in get packet
        * Fix: ask new streams HUP
        * Fix: reply error if get packet vstream fails
        * Fix: relayd reply error to client if cannot find viewer stream
        * Fix: relayd reply with error if cannot find metadata
        * Fix: ust-app: protect app socket protocol with lock
        * Cleanup: privatize consumer_allocate_relayd_sock_pair
        * Fix: add missing rcu_barrier at end of sessiond main
        * Fix: add missing rcu_barrier at end of consumer main
        * Fix: app cmd leak on sessiond exit
        * Fix: relayd live don't send incomplete stream list
        * Fix: consumer timer misses RCU thread registration
        * Fix: sessiond consumer thread should register as RCU thread
        * Fix: don't chain RCU free
        * Fix: free metadata cache after grace period in consumer
        * Fix: sessiond vs consumerd push/get metadata deadlock
        * Fix: streamline ret/errno of run_as()
        * Fix: Double unlock on error path
        * Data pending comment clarification in session daemon
        * Fix: Relay daemon ownership and reference counting
        * Accept uid and gid parameters in utils_mkdir()/utils_mkdir_recursive()
        * Fix: reference counting of consumer output
        * Fix: sessiond add missing socket close
        * Fix: sessiond should not error on channel creation vs app exit
        * Fix: sessiond ust-app session teardown race
        * Only display agent loglevel if the loglevel type is not ALL
        * Initialize default log level of events on load
        * Don't assume that Log4j and JUL share the same log level mappings
        * Allow the creation of JUL, Log4j and Python channels
        * Fix: Save tracker as part of UST and Kernel domains only
        * Fix: Memory leak of agent
        * Fix: Memory leak of agent event internals
        * Save filter expression as part of agent events and save them
        * Fix: UTF-8 characters may be stored on up to 4 bytes
        * Remove unneeded hash table existence check in agent_destroy
        * Remove unnecessary RCU read lock
        * Use type directly in sizeof instead of a dereferenced pointer
        * Prevent the addition of UST events to agent channels
        * Don't save log level in session configuration when unneeded
        * Remove unneeded RCU lock
        * Remove unneeded RCU lock
        * Fix: Propagate filter status of kernel events to client
        * Fix: Save kernel event filter when saving session configuration
        * Docs: there is no need to SHOUT in comments
        * Fix: Mention Python as part of enable-event's usage()
        * Grammar fix in comment
        * Fix: typo in error message
        * Add agent domains to lttng enable-event usage()
        * Docs: Add documentation explaining the meaning of "internal" events
        * Report memory allocation failure when copying filter bytecode
        * Fix: cmd_enable_event must return positive error codes
        * Ensure that a filter is always passed with its filter expression
        * Save filter expressions as part of agent events
        * Add agent domains to the enable-event section of LTTNG(1)
        * Use lttng_domain_type enumeration instead of bare integers
        * Prevent disable event on internal UST events
        * Remove unneeded RCU read lock
        * Skip internal events when saving a session configuration
        * Clean-up: Coding-style conformance adjustments
        * Docs: Clarify ominous comment wording
        * Hide internal events from session daemon clients
        * Prevent the use of reserved UST event names
        * Tag events created as side-effect of agent events as internal
        * Remove unneeded RCU lock
        * Remove dead code in lttng-sessiond
        * Ensure event names are NULL terminated during validation
        * Fix: assert(0) when listing Python events with MI
        * Fix: set GLOBAL buffer type for kernel domain in list
        * Fix: take RCU read-side lock within hash table functions
        * Tests: Adapt MI test to change in track/untrack behaviour
        * Clean-up: Rename lib_func to cmd_func
        * Fix: Improve the error reporting of the track/untrack command
        * Tests: Fix flacky clock-plugin test
        * Build: look for python >= 3.0 when building python bindings
        * Build: rename use_python to python_binding
        * Fix: regression tests
        * Fix: tests: stderr not correctly redirected
        * Fix: TimeoutExpired in Python tests not defined globally
        * Tests: ust: clock override plugin
        * Cleanup: reuse tracker* element from config
        * Test: save/load: pid_tracker basic test
        * Clean-up: Remove statement which has no side-effect
        * Save/load: pid_tracker feature.
        * Test: mi: track/untrack feature
        * Util: xml_extract: add node_exist option
        * Mi: track/untrack: validation
        * Docs: Grammar fixes in mi_lttng.xsd
        * Fix: Ensure a valid command error code is returned by track/untrack
        * Clean-up: Remove java-doc annotations from function header
        * Mi: track/untrack/listing
        * Fix: intialization of ust_metadata_poll_pipe to garbage value
        * Fix "allocator sizeof operand mismatch" warning
        * Clean-up: Remove java-doc style function header from session.h
        * Clean-up: remove extra space in comment
        * Fix: test_mi test
        * Tests: Java agent: Add configure switches to enable tests
        * Fix: incorrect script name in python logging test
        * Docs: Document Agent reply codes
        * Docs: Remove Java-specific comments from agent.h
        * Docs: Grammar fix in agent header
        * Return "Unknown" error instead of "Fatal" on unhandled agent replies
        * Log agent reply in disable_event()
        * Log agent reply in enable_event()
        * Log agent reply in list_events()
        * Add agent reply code logging helpers
        * Add a LOG() macro which handles dynamic severity levels
        * Fix: Discard disable event command filter payload
        * Fix: Use MSG_NOSIGNAL when calling sendmsg()
        * Send data pending status as part of payload instead of an invalid error
        * Log error code's value when sessiond replies to a client
        * Tests: Java agent: update after Java agent refactoring
        * Set registration done Agent command version back to 0
        * Fix: Don't send agent disable event command twice
        * Tests: Python agent: update after Python agent refactoring
        * Clean-up: Remove redundant variable initialization
        * Fix: incorrect variable being checked in libc-wrapper test
        * Rename Python agent event name to omit "user"
        * Consolidate agent event names regardless of user privilege
        * Clean-up: Move agent_apps_ht_by_sock definition to main.c
        * Fix: Initialize global agent_apps_ht_by_sock on session daemon launch
        * Fix: set session should not set non-existent session
        * Fix: pids should be numbers only
        * Fix: Mishandled NULL short options in lttng-sessiond
        * Use popt "required_argument" and "no_argument" constants
        * Fix: Mishandled NULL short options in utils_generate_optstring()
        * Fix: only launch a new session daemon for the "create" command
        * Fix 'daemon' typo in lttng-ctl-pc.in description
        * Fix: clean-up agent app hash table from the main sessiond thread
        * Fix: Remove undocumented session daemon short options
        * Comment grammar correction
        * Log userspace application hash table allocation failure
        * Fix: RCU read-side lock released too early in destroy_agent_app
        * Fix: misleading logging statement in agent_find_event
        * Fix: Unhandled domain option condition in list_agent_events
        * Fix: Crash on lttng list -j/-l/-p when no events are present
        * Clean-up: spelling fix in a comment
        * Document relay_add_stream RCU locking
        * Fix: Unbalanced rcu_read_unlock() on stream file creation failure
        * Fix: Unbalanced rcu_read_unlock() on directory creation failure
        * Fix: Document the locking assumptions of ctf_trace_find_by_path()
        * Fix: Memory leak in relay_add_stream error path
        * Update master version to v2.8.0-pre

2015-07-15 lttng-tools 2.7.0-rc1 (Pet Fire Safety Day)
        * Update version to v2.7.0-rc1
        * Tests: lttng-ust-getcpu-override-test cache and error-check sysconf()
        * Tests: lttng-ust-getcpu-override coding-style adjustments
        * Add CPU_ID LTTng-UST context to enum lttng_ust_context_type
        * Bump LTTNG_UST_ABI_MAJOR_VERSION to 6
        * Tests: Ust getcpu override plugin
        * Fix: Follow struct dirent allocation guidelines of READDIR(3)
        * Update comments regarding the power of 2 constraint on sub-buffer sizes
        * Build: add Flex version check
        * Build: add Bison version check
        * Fix: handle sys_futex() FUTEX_WAIT interrupted by signal
        * Fix: metadata push -EPIPE should be recoverable
        * Fix: destroy session removes the default config file
        * Build: bump autoconf version requirement to 2.64
        * Fix: Memory leak in setup of relayd_path
        * Fix: update liburcu URL
        * Fix: test: use "$@" to pass and quote argument
        * Refactor: test: wrapper for lttng_snapshot_del_output
        * Refactor: test: wrapper for lttng_snapshot_add_output
        * Refactor: test: wrapper for destroy_lttng_session
        * Refactor: test: wrapper for stop_lttng_tracing
        * Refactor: test: wrapper for start_lttng_tracing
        * Refactor: test: wrapper for enable_ust_lttng_event
        * Refactor: test: wrapper for enable_ust_lttng_channel
        * Refactor: test: wrapper for create_lttng_session
        * Fix: Memory allocated by xmlNodeGetContent() must be freed by xmlFree()
        * Save/load: add support for shared memory path
        * Fix: get_cmdline_by_pid path length assumes a max pid of 65535
        * Clean-up: Remove ifdef-ed out lttng list options
        * Test: mi: test for greater or equal to a minimum of events on ust listing.
        * Fix: update regression tests involving UST
        * Clean-up: Remove ifdef-ed out function:entry feature
        * Fix: Mark MI and Config string declarations as extern
        * Clean-up append_list_to_probes()
        * Fix: modprobe.c: fix tmp_list memory leak
        * Fix: append_list_to_probes(): increment index
        * Docs: LTTNG(1) filtering is now supported by the kernel tracer
        * Fix: live_test regression on large number of cpus
        * Fix: set UST register timeout to -1 as test default
        * Man page: reference lttng-crash under --shm-path option
        * Tests: Don't rely on implicit scalar expression dereference
        * man pages: use standard NAME format
        * Fix python bindings' Makefile for out-of-tree builds
        * Fix: use LIBS instead of AM_LDFLAGS for dl and c linking
        * Fix: Add missing -ldl when checking for lttng-ust
        * clock plugin: increase offset measurement accuracy
        * Implement UST clock override plugin support
        * Fix: ownership of filter and filter_expression
        * Fix: zero memory passed to create channel kernel ioctl
        * Fix: Check that lttng create --live's time is not zero
        * Fix: Validate lttng_create_session_live's timer is > 0
        * UI: Only show live timer when the session is in live mode
        * UI: Only show tracker PID state when enabled
        * Implement kernel filter support
        * syscall tracing: update tests
        * Support lttng-modules syscall wildcards
        * Implement lttng-modules tracepoint wildcard support
        * Fix build when configuring with --disable-lttng-ust
        * Fix: add missing function prototype to trace-ust.h header
        * Implement PID tracker content listing
        * Implement UST PID tracker
        * Cleanup: Remove unimplemented UST domains
        * Implement PID tracking for kernel tracing
        * Fix: leak on error in lttng-crash
        * Man page fixes: missing --version option and typo
        * Docs: add lttng-crash(1) man page
        * Docs: lttng-crash refers to "lttng"
        * Fix: possible use of uninitialized data in loglevel conversion funcs
        * Fix: possible evaluation of garbage values in fini_validation_ctx()
        * Cleanup: Remove stale #ifdef-ed-out code from spawn_viewer()
        * Fix: Possible call to execvp with NULL argument on allocation failure
        * Fix: Possible call to strtoul() with NULL argument
        * Docs: clarify lttng.1 shm-path section
        * Fix: Missing return value check in extract_trace_recursive()
        * Fix: recursive_rmdir: empty all empty subdir
        * Move file creation/unlink from liblttng-ust-ctl to consumerd
        * lttng-crash: support recursive traces
        * shm-path: remove directory hierarchy on destroy
        * Implement --shm-path option for UST sessions (per-uid channels)
        * Cleanup: Reduce scope of connections in main relayd thread
        * Cleanup: Reduce scope of relayd connections in live thread
        * Docs: connection_find_by_sock() must be called with rcu_read_lock
        * Rename current release as 2.7.0-pre
        * Docs: grammar fix in Makefile
        * Change release name to master
        * configure: add type availability checking
        * configure: add check for compiler inline keyword support
        * configure: missing check for needed header
        * configure: missing check of functions
        * Fix: test: log4j: missing static test files for dist and out of tree build
        * Fix: test: java-jul:missing static test files for dist and out of tree build
        * Fix: out-of-tree build: missing xsd file for mi test execution
        * Fix: out-of-tree build: missing xsd file for save-load test execution
        * Cleanup: remove unused end_no_session label in ust_app_flush_session()
        * Cleanup: Remove unused "end" label in push_metadata()
        * Tests: Run health check test_thread_ok as part of root_regression
        * Fix: deadlock between UST registry lock and consumer lock
        * Fix: uninitialized return value
        * Fix: build failure using disable-lttng-ust configure option
        * Cleanup: Remove unused variable
        * Fix: setuid/setgid daemons should not get sensitive env. var./args
        * Fix: grab more than one packet for snapshots
        * Fix: per-uid flush and ust registry locking
        * Docs: Missing optional dependency on lttng-ust in README.md
        * Docs: Grammar fixes in the lttng manpage
        * Fix: add missing UST perf counter support check
        * Fix: tests: integer too large for long type
        * Fix: undefined operation on last_relay_viewer_session_id
        * Fix: print format type mismatch
        * Fix: print format type mismatch
        * Fix: Remove structurally dead code from relayd
        * Cleanup: Remove logically dead code
        * Cleanup: Remove unused label
        * Fix: Remove unused argument in debug statement
        * Fix: exit threads not only on goto restart
        * Fix: poll: show the correct number of fds
        * Fix: call lttng_poll_set_max_size before start threads
        * Fix: compat poll: add missing empty revents checks
        * Fix: various compat poll/epoll issues
        * Add debugging output to ht-cleanup thread
        * Fix: mi: snapshot: missing error handling for session name
        * Fix: ust-app: per-PID app unregister vs tracing stop races
        * Fix: data pending: allow empty streams
        * Fix: ust snapshot: cleanup after error
        * Fix: Mismatching return type in ust_app_ht_alloc() stub
        * Cleanup: lock file already taken is error, not warning
        * Fix: ust-app null pointer check needed for main refactoring
        * Cleanup: relayd: centralize thread stopping function
        * Cleanup: Replace all perror() uses by the PERROR macro
        * Refactor relayd main/set_options/cleanup
        * Refactor consumerd main/cleanup
        * Refactor sessiond main/cleanup/ht-cleanup
        * Missing error handling: consumer_signal_init should return its error status
        * Cleanup: consumerd: lines over 80 columns
        * Cleanup: consumerd: use PERROR rather than perror
        * Cleanup: lttng-consumerd: remove stale TODO comment
        * Misleading error handling: utils_create_pid_file() should return 0 on success
        * Missing error handling: consumerd parse_args should return errors to caller
        * Missing error handling: ust_app_ht_alloc should return error status
        * Fix: ust app leak on UST buffer creation error
        * Fix: leak on UST buffer registry creation error
        * Fix: agents ht leaks on destroy session
        * Fix: add missing RCU read unlock
        * Fix: help message for Python agent mentions Java
        * Fix: don't destroy the sockets if the snapshot was successful
        * Fix: Missing RCU read locks in syscall_list_channel()
        * Fix: Missing RCU read lock in kernel_destroy_session()
        * Fix: channel names are not validated
        * Cleanup: Missing whitespace
        * Fix: Apply consumer URI changes to all domains
        * Cleanup: Fix a typo in the MI tests
        * Test fix: Don't invoke the system's lttng client
        * Tests: Add a test to check disabled events are loaded in the correct state
        * Fix: Don't leave events enabled if they were saved in a disabled state
        * Fix: "Any" loglevel's value is -1 and not 0
        * Test fix: LTTNG_SESSION_CONFIG_XSD_PATH expects an absolute path
        * Fix: Memory leak on error in alloc_argv_from_user_opts()
        * Cleanup: Unchecked close() return value in utils_create_lock_file()
        * Cleanup: No check of the return value of lttng_ht_del()
        * Cleanup: Mixed enums used for return code in send_sessiond_channel()
        * Cleanup: Cast poll() return value to void
        * Fix: Unreachable error logging in set_option()
        * Fix: OOM leaks in sessiond modprobe.c
        * Cleanup: sessiond modprobe.c: coding style
        * Cleanup: test_utils_expand_path.c prototypes
        * Fix: test_utils_expand_path.c: out of memory error handling
        * Fix: test test_ust_data.c: check OOM
        * Fix: test libc-wrapper: check malloc OOM
        * Cleanup: test libc-wrapper: main parameters
        * Fix: lttng-ctl: use zmalloc(), missing OOM check
        * Fix: filter-parser.y: use zmalloc(), missing OOM check
        * Fix: utils.c: check str*dup OOM
        * Cleanup: implement zmalloc as static inline
        * Fix: rculfhash: use zmalloc()
        * Fix: ini.c: use zmalloc()
        * Fix: lttng lttng.c: check strdup OOM
        * Fix: lttng conf.c: use zmalloc()
        * Fix: lttng view.c missing strdup OOM check
        * Fix: use zmalloc() in lttng view.c
        * Fix: use zmalloc() in lttng list.c
        * Fix: oom error check, realloc oom leak
        * Fix: use zmalloc in lttng enable_events.c
        * Fix: missing strdup oom check in lttng create.c
        * Fix: lttng add_context.c: use zmalloc
        * Cleanup: add missing static to function modprobe_remove_lttng()
        * Fix: add missing str*dup oom check in sessiond main.c
        * Fix: add missing sessiond kernel-consumer missing str*dup oom checks
        * Fix: add missing strdup OOM check
        * Fix: add missing synchronization point for before app test case
        * Fix: tests: wait output hide Terminate errors
        * Fix: tests: remove killall, add missing SIGTERM handlers
        * Fix: high throughput test: reset bw limit on sigterm
        * Fix: tests: add missing wait, document missing synchro
        * Document test anti-patterns
        * Fix: test flaky sleep and wait patterns
        * Fix: tests: don't use pidof to wait for test apps
        * Fix: Live tracing does not honor live timer after first tracefile with tracefile rotation
        * Fix: Handle empty daemon configuration file lines
        * Docs: Add -f/--config option to lttng-sessiond man page
        * Cleanup: spaghetti function return path
        * Fix: relayd: unbalanced RCU read-side lock/unlock
        * Fix: relayd: unbalanced RCU read lock/unlock
        * Fix: lttng-relayd: unhandled out of memory error
        * Fix: relayd viewer stream: unhandled out of memory error
        * Build fix: Apps defining _LGPL_SOURCE must link to urcu-bp
        * Define _LGPL_SOURCE in test apps' tracepoint provider files
        * Define _LGPL_SOURCE in test applications
        * Fix: Missing rcu_read_lock in cmd_list_events()
        * Fix: Missing rcu_read_lock in list_lttng_agent_events()
        * Fix: Missing rcu_read_lock in cmd_list_channels()
        * Fix: Missing rcu_read_locks in cmd_list_domains()
        * Fix: Missing rcu_read_lock in cmd_snapshot_list_outputs()
        * Fix: Missing rcu_read_lock in save_domains()
        * Fix: Missing rcu_read_lock in ust_app_get_nb_stream()
        * Fix: UST subbuffers silently dropped on moderate trace traffic
        * Fix: Missing rcu_read_lock in get_session_max_subbuf_size()
        * Fix: create/destroy a splice_pipe per stream
        * Note find_ust_app_context must be called with RCU read lock
        * Fix: empty indexes_ht before destroying it.
        * Fix: removed useless key from relay_index
        * Fix: Ambiguous agent event filter bytecode ownership
        * Fix: filter bytecode and string memory leak on error
        * Fix: define _LGPL_SOURCE in C files
        * Fix: HT must not be destroyed with a rcu_read_lock held
        * Fix: agent events HT should be destroyed from the cleanup thread
        * Fix: missing rcu_read_lock in trace_ust_destroy_session()
        * Fix: missing rcu_read_lock when calling trace_ust_find_agent()
        * Fix: missing rcu_read_lock in cmd_start_trace()
        * Cleanup: remove "disabled" flag for new release cycle
        * Fix: filter attach vs event enable race
        * Fix: Mark libxml2 as a mandatory dependency
        * Fix: Warn the user when enabling an event in a new domain
        * Fix: Don't report an error when listing a session with no channels
        * Bypass 0 byte allocation when no domains are enabled
        * Fix: Add missing URCU_TLS access to error_log_time
        * Fix: check userspace perf counter name when looking up contexts
        * Update maintainer section of the man pages
        * Update maintainer section of README.md
        * Fix: add README.md to documentation files
        * Fix: UST consumer sync all available metadata
        * Test: remove bogus argument from prove invocation
        * Fix: typo in pythong test Makefile
        * Fix: memory leak in libconfig
        * Add Python agent support
        * Fix: return EINVAL if agent registration fails
        * Use lttng-modules ABI version ioctl
        * Fix: syscall list ioctl number conflict
        * Update master ChangeLog with 2.5.1 release

2014-10-20 lttng-tools 2.6.0-rc1 (Harry Belafonte records Banana Boat Song)
        * Machine Interface added to lttng command line (--mi)
        * Java Log4j agent support (--log4j)
        * Kernel per syscall tracing
        * Multiple fixes.

2014-10-20 lttng-tools 2.5.1
        * Fix: handle sysconf possible negative returned value
        * Fix: channel deref. after NULL check in kernel consumer
        * Fix: check for kernel session metadata during init
        * Fix: incorrect cast in ust consumer assert
        * Fix: bad handling of incoming data in consumer thread
        * Fix: disable event for JUL domain
        * Fix: send disable ALL command code if event is *
        * Fix: make sure no index is in flight before using inactivity beacons
        * Fix: Parenthesize previous statement when adding conditions to a filter
        * Fix: parse_prob_opts return the actual success of the function
        * Fix: Man page typos
        * Fix: disable JUL event on destroy
        * Fix: unbalanced ustconsumer32_data.pid_mutex lock

2014-07-16 lttng-tools 2.5.0 (Take Your Poet to Work Day)
        * Fix: validate file path creds in autoload mode
        * Fix: change session file loading order
        * Fix: add Loading Sessions section to lttng-sessiond.8
        * Fix: add default session conf. dir to manpage
        * Fix: on session load, add it to the .lttngrc
        * Fix: clarify session conf. directory in man
        * Fix: filter error path could free invalid ptr
        * Fix: Create a lock file to prevent multiple session daemons
        * Fix: relayd stream set close_flag on stream close
        * Fix: ustctl_get_stream_id without UST support
        * Fix: avoid freeing invalid ptr in filter bytecode
        * Fix: get the stream_id when generating live beacons
        * Fix: use biggest subbuffer size for snapshot max-size
        * Fix: Possible memory leak when multiple config files are loaded
        * Fix: Clamp verbosity value read from config file
        * Fix: Unchecked strdup return values in set_option

2014-06-27 lttng-tools 2.5.0-rc2
        * Test: add JUL disable event tests
        * Fix: disable JUL event on UST side
        * Fix: accept override flag even without a load path
        * Fix: bad error code path when loading session
        * Fix: set session in output mode if URL are set afterwards
        * Fix: add a kernel context list to the channel
        * Fix: Add vpid, vppid and vtid info in add-context help
        * Fix: wrong behavior of save command when no session name is provided
        * Fix: missing context type string in save for ust context
        * Fix: wrong casting of return value
        * Fix: add dependency to libcommon for python binding
        * Fix: remove the default GIT_VERSION

2014-05-28 lttng-tools 2.5.0-rc1 (International Hamburger Day)
        * Save/load session feature
        * Daemon configuration file support
        * UST perf counter support with add-context
        * Kernel tracer probe user define list
        * Multiple fixes! The diff is just too big to put here.

2014-07-16 lttng-tools 2.4.2 (Take Your Poet to Work Day)
        * Fix: Create a lock file to prevent multiple session daemons
        * Fix: relayd stream set close_flag on stream close
        * Fix: ustctl_get_stream_id without UST support
        * Fix: get the stream_id when generating live beacons
        * Fix: missing include for getpwuid()
        * Fix: add a get HOME dir fallback to getpwuid
        * Fix: don't set enabled flag is session start fails
        * Fix: logger name dropped from filter condition when loglevels are used
        * Fix: memory leak in lttng_enable_event_with_exclusions
        * Fix: check malloc return value
        * Fix: static array larger than necessary
        * Fix: set session in output mode if URL are set afterwards
        * Fix: Add vpid, vppid and vtid info in add-context help
        * Fix: alignment problems on targets not supporting unaligned access.
        * Fix: possible use after free in consumer
        * Fix: improve and update lttng.h comments
        * Fix: JUL filtering for event *
        * Fix: deny overwrite mode and num subbuf less than 2
        * Fix: remove bad option in enable channel --help
        * Fix: implicit conversion from enumeration
        * Fix: clarify man page lttng.1
        * Fix: Copy-pasted PERROR messages may be misleading
        * Fix: incorrect printf format
        * Fix: handle ENOENT when creating a kernel event
        * Fix: move JUL filter creation to a function
        * Fix: JUL filtering done on the UST level
        * Fix: Don't include the binary in the live test's EXTRA_DIST
        * Fix: add JUL filter to UST event on logger_name
        * Fix: Racy event validation in tests
        * Fix: rework utils_parse_size_suffix

2014-04-08 lttng-tools 2.4.1 (OpenSSL heartbleed day)
        * Fix: don't delete stream from connection recv list
        * Fix: use after free of a relayd stream
        * Fix: don't print stream name in error message
        * Fix: take session list lock when listing tp
        * Fix: add consumer wake up pipe to avoid race
        * Fix: don't spawn relayd if URL is provided
        * Fix: don't ask data pending if session was not started
        * Fix: missing test file in EXTRA dist
        * Fix: allow empty URL for live session creation
        * Fix: missing valid return code when adding an URI to consumer
        * Fix: syntax error in lttng.1
        * Fix: check relayd fd leak in lttng cmdline
        * Fix: remove unused tp in high-throughput test
        * Use autoconf AM_MAINTAINER_MODE.
        * Fix: clang 'constant-out-of-range-compare' warning
        * Fix: Unchecked session pointer when destroying a connection in relayd

2014-02-28 lttng-tools 2.4.0 (Public Sleeping Day)
        * Fix: improve lttng with live by spawning relayd
        * Fix: relayd should listen for viewers on localhost only by default
        * Fix: handle loglevel range ALL in list command
        * Tests: add JUL test for multiple loglevel
        * Fix: index JUL event by name *and* loglevel
        * Fix: JUL to enable user and root tracepoints
        * Fix: handle the registration done command for JUL
        * Test fix: use temp file sync. of test app
        * Fix: keep metadata channel attr in UST session
        * Tests fix: Missing waitpid in fork test
        * Fix: add loglevel type to lttng list <name>
        * Fix: minor rephrasing of the lttng.1 man page
        * Fix: Warn user if JUL port is already being used
        * Fix: add some sane default values to --live opt
        * Fix: possible NULL deref. in sessiond error path
        * Fix: flag that kernel streams FDs has been sent
        * Fix: forbid session name creation if contains /
        * Fix: don't start session if no channel
        * Fix: add missing relayd option to man page
        * Fix: report error if consumer can't be spawned
        * Fix: lttng list -u <name> should only list UST
        * Fix: kernel channel destroy on consumer if sent
        * Fix: only create UST metadata on start trace
        * Revert "Fix: wrong condition on startup for low-activity streams"
        * Fix: missing big endian conversion for one index field
        * Fix: wrong condition on startup for low-activity streams
        * Fix: perror on index directory creation error
        * Comments fix: lttngerr.h -> error.h (./Changelog:754)
        * Fix: consumerd errors on exit
        * Fix: scanf unbounded input
        * Fix: miscellaneous memory handling fixes
        * Fix: add missing VALGRIND ifdef checks and documentation

2014-02-14 lttng-tools 2.4.0-rc5
        * Fix: steal channel key in the consumer to avoid race
        * Fix: change ERR statement to DBG in kernel read subbuffer
        * Fix: handle snapshot ENODATA in live timer
        * Fix: relayd leak on error in consumer splice()
        * Fix: protect close_write_flag with the rotation lock
        * Man: clarify loglevel for JUL domain
        * Fix: Define __STDC_LIMIT_MACROS to fix C++ builds
        * Fix: bad indentation of lttng list in man page
        * Fix: wrong data structure used in commit df41f83
        * Fix: add missing optional dependency to babeltrace in README
        * Fix: cleanup inconsistent use of spaces/tabs in README
        * Fix: only set the new_streams flag if a viewer is attached
        * Fix: lttng-live documentation
        * Fix: remove dead code in relayd live code
        * Fix: use after free error code path
        * Fix: wrong sizeof argument in live viewer create session
        * Fix: zero out the reply structure in viewer_connect
        * Fix: write index only if fd is valid
        * Fix: cleanup relayd on any I/O error in read subbuffer mmap
        * Fix: memory/fd leak when cleaning streams in channel
        * Fix: destroy streams in consumer del channel
        * Fix: add missing urcu wfqueue headers in relayd
        * Fix: in lttng_read/write deny count bigger than the possible returned value
        * Fix: fd leak when closing metadata stream
        * Fix: read subbuffer mmap/splice signedness issue
        * Doc: live protocol clarifications
        * Fix: remove unused create_viewer_session option
        * Fix: don't sleep(1) on the consumer ready flag
        * Fix: free viewer session in connection_free()
        * Fix: add missing ctf trace delete before destroy
        * Fix: don't delete ctf trace while in snapshot mode
        * Fix: add flag to create session command and fix tests
        * Fix: cleanup indef guards following the rename
        * Fix: merge issue with thread quit pipe
        * Fix: use uint32_t for metadata_flag in viewer's ABI
        * Fix: check for new streams in all attached sessions
        * Fix: Move static functions up in the code
        * Fix: allow attach command to multiple sessions
        * Fix: handle session hang up in get_new_streams
        * Fix: force the client to create a viewer session before attaching
        * Fix: Namespace lttng-viewer-abi
        * Fix: relayd connection object refactor
        * Fix: big relayd cleanup and refactor
        * Fix: code refactoring of viewer streams in relayd
        * Fix: handle new streams in live mode in relayd
        * Fix: notify the viewer if new streams got added
        * Fix: send the streams sent message after metadata
        * Add extern C to the health-check header
        * Fix: memory leak in unit test
        * Man: add JUL DOMAIN section to lttng.1
        * Fix: handle invalid URL passed to lttng_create_session_live
        * Fix: add --jul-tcp-port to sessiond man page
        * Fix: measure UST clock offset with best sample (v2)
        * Fix: remove free in unit test not needed anymore
        * Fix: relay create session for version before 2.4
        * Fix: memory leak when UST events are enabled with exclusions

2014-01-29 lttng-tools 2.4.0-rc4
        * Fix: add -b, --background option
        * health check tests: test relayd and consumerd
        * tests: Add stop_lttng_relayd_nocheck
        * Fix: add missing JUL loglevel handling
        * relayd: add testpoints
        * relayd: use same pipe for live and main
        * Cleanup relayd live comment
        * Fix: relayd: add LPOLLERR to events
        * Fix: relayd: notify parent of readiness when all threads ready
        * Fix: tests: start relayd in background mode (-b)
        * lttng-relayd: implement background cmd line option
        * sessiond: add missing testpoints
        * tests: use --background for session daemon
        * sessiond: add --background argument
        * Use lib common daemonize
        * Fix: sessiond: wait for health check readiness
        * Fix: relayd: initialize lttcomm inet
        * Consumer: add testpoints
        * Fix: consumerd: HT init/teardown with program
        * Cleanup: lttng-ctl-health comment
        * Add daemonize() to libcommon
        * Fix: tests: wait for consumerd to complete
        * Fix: consumerd: use DBG rather than DBG2
        * Fix: consumerd: only return readiness when health is ready
        * Fix: consumerd should initialize lttcomm
        * Fix health check: signal parent before exit testpoint
        * Test health: add test_thread_ok
        * health check: change --relayd-path arg to --relayd-path=arg
        * relayd: add LTTNG_RELAYD_HEALTH env var
        * Add sessiond/SESSIOND_ prefix to sessiond testpoints
        * Fix: zero out data structure before using it
        * Fix: delete metadata stream before destroying it
        * Fix: report to client when snapshot will be empty

2014-01-14 lttng-tools 2.4.0-rc3
        * Fix: metadata stream should be always flagged as ready
        * Fix: wrong check before destroying the viewer metadata stream
        * Fix: race with the viewer and readiness of streams
        * Fix: missing reset when listing UST fields for multiple PIDs
        * Fix: filter: check binary op nesting
        * Fix: relayd cmd line option for live port
        * Fix: remove break in epoll loop of apps. thread
        * Fix: wrong comment in snapshot public API
        * Fix: clear the CTF traces when all the streams are closed

2013-12-10 lttng-tools 2.4.0-rc2
        * Fix: close connection on incompatible version check
        * Fix: fields alignements in live protocol
        * Tests: add regression test for Java JUL support
        * Fix: possible use after free
        * Fix: remove unused code in session daemon
        * Fix: string format with unsigned value
        * Fix: remove useless assert
        * Fix: bad logical check of error codes
        * Fix: resource leak in enable-event command
        * Fix: unchecked return value in ust app delete
        * Fix: dereference after null check in UST registry
        * Fix: Resource leak in ust registry
        * Fix: backported from urcu commit 92af1a30
        * Tests: fix racy tests and misleading output messages
        * Tests: fix bad argument parsing in test app
        * Fix: remove assert on fd in the read/write layer
        * Fix: missing lock/unlock when sending index
        * Fix: update back the metadata len sent on failure
        * Fix: don't fail on push metadata if no channel
        * Rename LTTng index in CTF index
        * Fix: set the enable all event command type
        * Fix: implicit conversion of enum types in sessiond
        * Fix: implicit conversion of enum types in consumer
        * Fix: comparison of unsigned enum expression >= 0
        * Fix: comparison of unsigned value agains < 0
        * Fix: create a fast and a long UST snapshot test
        * Tests: fix racy UST snapshot post mortem test
        * Tests: remove useless sleep when spawning sessiond
        * Add travis-ci configuration file
        * Add libuuid as dependency in README
        * Tests: add valid test cases to test_utils_expand_path
        * Tests: add symlink tests for test_utils_expand_path
        * Fix: utils_expand_path now works for paths that ends with '/.' or '/..'
        * Fix: comment indentation
        * Add missing copyright to utils.c
        * Fix: use non block waitpid to lookup child state

2013-11-15 lttng-tools 2.4.0-rc1
        * Live streaming support
        * Health check support in consumer and relayd
        * Event exclusion support
        * Java Util Logging support
        * Multiple fixes! The diff is just too big to put here.

2013-11-13 lttng-tools 2.3.1
        * Fix: typo in --sig-parent help
        * Fix: application SIGBUS when starting in parallel with sessiond
        * Fix: missing LTTNG_OK return value for snapshot
        * Fix: arguments in the wrong order for fd-limit
        * Fix: Some corrections to the lttng man page
        * Fix: recv creds comm should handle partial receive
        * Fix: set app socket timeout just after accept()
        * Fix typo in lttng snapshot add-output example of lttng(1)

2013-09-03 lttng-tools 2.3.0
        * Fix: remove periodical flush test from make check

2013-08-30 lttng-tools 2.3.0-rc3
        * Fix: hashtable: take split_count_order into account
        * Fix: remove wrong doing asserts in sessiond
        * Tests: fix periodical flush tests to stop app
        * Fix: correctly close metadata on sessiond thread shutdown
        * Fix: delete the trace directory used for the test
        * Fix: remove bad check after epoll wait in consumer
        * Fix: missing data pending signess conversion
        * Fix: consumer data pending for empty streams
        * Fix: hash table growth (for small tables) should be limited (v2)
        * Fix: run_as gid/uid test should return result to parent
        * Fix: missing check for metadata data pending
        * Tests: change buffers UID test to PID
        * Tests: fix health tests to use custom socket timeout
        * Fix: remove health test from fast regression
        * Use socket timeout value for tcp timeout if available
        * Fix: set the health delta tcp timeout aware
        * Get the maximum TCP timeout in sessiond
        * Fix: don't report error if UST app dies
        * Fix: support VPATH build for tests
        * Improve comments after review
        * Rename consumer socket fd to fd_ptr
        * Lock consumer data before fd check during destroy
        * Use single callsite for send/recv ops. for consumer in sessiond
        * Use consumer fd reference in consumer socket obj
        * Update bash completion
        * Add --list-commands option to the snapshot command
        * Reorder functions _lttng_cmd_* functions in bash completion
        * Use parse_size_suffix in snapshot
        * Fix: snapshot record error handling
        * Fix: improve error message when UST support is disabled
        * Fix: add missing short filter option in help
        * Fix: typo in configure.ac for version check
        * Fix: remove calibrate syscall option from code
        * Fix: snapshot should fail if no successful snapshot is taken
        * Fix: check UST float field mantissa length
        * Fix: add UST context in the same order the user enabled them
        * Introduce configure --with-lttng-system-rundir
        * Add .dirstamp to gitignore file
        * Fix: snapshot with multiple UIDs
        * Prepare for automake deprecation of missing subdir-objects
        * Fix: typos in --help and manpage
        * Fix: add-context without -c apply to all channels
        * Fix: channels can be _enabled_ after tracing is started, but not created
        * Fix filter parser segmentation fault with bison 3.0
        * Fix: typo in error msg
        * Fix: imprecise error message about root sessiond/tracing group
        * Fix: don't skip chmod if tracing group is not found
        * Tracepoint probes don't need extern C
        * Fix: Snapshot should be taken asap in core handler script
        * Fix: reset out_fd_offset when we rotate the trace file
        * Fix: LTTNG_ERR_NEED_ROOT_SESSIOND error message
        * inet/inet6 sockets: apply timeout
        * Implement timeout for connect ipv4/ipv6
        * Introduce LTTNG_NETWORK_SOCKET_TIMEOUT env. var
        * bash completion: add calls to _lttng_complete_sessions
        * bash completion: Fix copy-paste typo
        * Extras: Remove deprecated consumer commands in bash completion
        * bash completion: Remove underscores in handler function names
        * bash completion: Remove --event for add-context
        * Update gitignore
        * relayd: use version macros from build rather than scanf
        * sessiond: use version major/minor from build for communication with relayd
        * build: export major/minor/patchlevel numbers
        * Fix: Dead code when checking return value from (ust_app|kernel)_snapshot_record
        * Test: enable kernel events after start
        * Fix: kernel ctl error codes are based on errno
        * Fix: format string mismatch
        * test: test_periodical_metadata_flush shrink timer period, kill app
        * Fix: format string type mismatch
        * snapshot howto: update text
        * Add snapshot howto

2013-07-19 lttng-tools 2.3.0-rc2
        * Add core-handler README to dist tarball
        * extras: core-handler: simplify, allow usage from tracing group
        * Cleanup: add missing dot
        * Fix: documentation: create name and options
        * Add core dump snapshot handler script
        * Fix: sym name len (kernel)
        * Fix: tests: provide channel name when a non-default channel exists: per-pid
        * Fix: tests: provide channel name when a non-default channel exists
        * Fix: data pending race
        * Fix hang in make check snapshots/test_ust
        * Cleanup: ust-consumer: wrong indentation
        * Fix: print dots while waiting for data availability
        * Fix: remove sleep(1) added by "Fix: (slight UI change) refuse missing -c if non-default channel exists"
        * Fix: (slight UI change) refuse missing -c if non-default channel exists
        * Fix: push metadata on stop for per-UID buffers
        * README: update python documentation
        * Manpage: other layout cleanups
        * Manpage: cleanup layout of view
        * Manpage: cleanup layout of version
        * Manpage: cleanup layout of stop
        * Manpage: cleanup layout of start
        * Manpage: cleanup layout of snapshot
        * Manpage: cleanup layout of set-session
        * Manpage: cleanup layout of list
        * Manpage: cleanup layout of disable-event
        * Manpage: cleanup layout of disable-channel
        * Manpage: cleanup layout of enable-event
        * Manpage: cleanup layout of enable-channel
        * Manpage: cleanup layout of destroy
        * Manpage: cleanup layout of create
        * Manpage: cleanup layout of calibrate
        * Manpage: cleanup layout of add-context
        * Documentation: create --snapshot in manpage

2013-07-17 lttng-tools 2.3.0-rc1
        * Fix: add missing snapshot header to dist tarball
        * Documentation: fix thread quit pipe comment
        * Test for presence of bison and flex when building from git
        * Test UST snapshot with large metadata
        * Add test application with large metadata
        * Cleanup: remove redundant assignment
        * Fix: use per-uid buffer registry for UID buffer snapshots
        * cmd.c: fix typos in snapshot commands
        * Test snapshot per-uid post-mortem
        * Remove leftover fprintf
        * Fix deadlock: don't take channel lock in timer
        * Introduce channel timer lock
        * document lttng_ustconsumer_request_metadata locking constraints
        * consumer: remove unused lttng_ustconsumer_push_metadata
        * Document metadata_socket_lock nesting
        * lttng_ustconsumer_recv_metadata does not need all those locks
        * document metadata_switch_timer() deadlock
        * Fix: add missing metadata socket lock
        * document metadata_switch_timer() locking constraints
        * consumer: remove timeout for UST metadata
        * Introduce pipe for UST metadata cache and stream
        * consumer: replace DBG2() instances by DBG()
        * Introduce utils_create_pipe_cloexec_nonblock()
        * ust consumer: data_pending check is endpoint active
        * Fix: kernel consumer: data_pending check if endpoint active
        * consumer: explicitly set endpoint status to active at init
        * document consumer_metadata_cache_flushed use of consumer_data.lock
        * consumer: introduce channel lock
        * Merge branch 'master' of git://git.lttng.org/lttng-tools
        * Fix: update lttng snapshot help output
        * Man: fix part of snapshot documentation
        * Fix: set tracefile size test with PID buffers
        * Fix: Babelstats fail to parse output with no process name or pid
        * Missing NULL pointer init in tap.c
        * Fix: Unchecked asprintf/vasprintf return values
        * Add snapshots test to fast regression
        * Fix: kernel data unit test
        * Fix: snapshot returned valid LTTNG_ERR code
        * Add the number of snapshot taken to the output path
        * Fix: RCU read side lock unbalanced
        * Fix: zeroed snapshot output at init
        * Support del-output with an output name
        * Update man page with snapshot command
        * New UST default buffers is now per UID
        * Bump UST ABI major version for 2.3 release
        * Add snapshot mode to lttng list session
        * Fix: support temporary snapshot max size and name
        * Support snapshot max-size limitation
        * Tests: per-UID UST snapshot
        * Fix: snapshot support for UST and kernel in same session
        * Implement lttng create --snapshot command
        * Add create session snapshot API in lttng-sessiond
        * Add snapshot output init call that uses URIs
        * Fix: consumer err_sock cloexec
        * Callsite: add "ip" context
        * Fix: possible consumer sockets double close on cleanup
        * Automatically load kvm-x86 and kvm-x86-mmu probes.
        * Fix: consumer: use uint64_t for all sessiond_id
        * Fix: add gpl and lgpl files to tarball
        * Fix: don't install libtap system wide
        * Fix: close consumer sockets in sessiond cleanup
        * Fix: set globally visible flag to kernel stream
        * Fix: lttng: memory leak in snapshot record command
        * Fix: kernel-consumer: double-close
        * Fix: consumer: incorrect size zmalloc
        * Fix: don't try to send stream to relayd if not in streaming
        * Fix: relayd refcount updates for stream
        * Fix: don't send error to sessiond on orderly shutdown
        * Fix: bad pathname used when sending kernel stream to relayd
        * Fix: add globally visible flag in stream
        * Fix: destroy metadata stream on setup metadata error path
        * Fix: send kernel stream to relayd only if needed
        * Fix: destroy streams for kernel snapshot sessions as well
        * Fix: close and destroy metadata stream after a kernel snapshot
        * Fix: print errno message on connect() error
        * Fix: possible double-close on stream out_fd
        * Fix: session ID signess to uin64_t in sessiond
        * Tests: fix validation trace path in kernel snapshot
        * Tests: Add UST snapshot local and streaming
        * Add UST snapshot support
        * Fix: consumer_add_relayd_socket() report errors to sessiond
        * Fix: add missing enum lttcomm_return_code entries
        * Fix: UST per-UID channels persist across application teardown
        * Fix: kernel snapshot metadata handling and error paths
        * Fix: coding style and debug statement
        * Fix: put subbuffer back in kernel snapshot error path
        * Fix: overflow in uri_to_str_url
        * Fix: detect the correct version of LTTng-UST
        * Fix: sessiond: use uint64_t for all session ids
        * Tests: add kernel snapshot streaming to root regression
        * Tests: remove debug output from test
        * Tests: Add kernel snapshot streaming
        * Fix: use snapshot consumer output for kernel
        * Fix: periodical flush check trace before stop
        * Fix: consumer: 64-bit index for relayd rather than 32-bit (v2)
        * Fix UST channel/stream output assignation
        * Fix: send per-pid session id in channel creation
        * Fix: consumer double-close on error
        * Update URCU detection to correctly check for a 0.7 version
        * Fix: snapshot path
        * Add utils function to format current time as a string
        * Fix: set hidden attribute to utils_* calls
        * Fix: consumer handling of metadata for relayd
        * Add kernel snapshot support
        * Support flight recorder mode for a session
        * Implement snapshot commands in lttng-sessiond
        * Add snapshot command to lttng UI
        * Initial import of the snapshot ABI/API in lttng-ctl
        * Use the consumer stream API in consumer_del_stream()
        * Add consumer-stream.c/.h in libconsumer
        * Move multiple URLs parsing fct from lttng-ctl to uri.c
        * Add a lttng-ctl header to facilitate code separation

2013-06-25 lttng-tools 2.2.0 (National Catfish Day)
        * STABLE VERSION
        * Fix: if relayd is unreachable, disable consumer for the session
        * Fix: possible infinite loop in disable ust event
        * Fix: don't enable a channel if a session was already started
        * Fix: bad type for the relayd id
        * Fix: add debug statement in kernel flush metadata
        * Fix: destroy default created channel if add-context fails
        * Fix: clarify tracefile size/count in lttng.1 man
        * Fix: don't stop a session that was not previously started
        * Fix: update lttng.1 man page
        * Fix: bad protocol flow between sessiond and consumerd
        * Fix: kernel memory leak in error path

2013-06-20 lttng-tools 2.2.0-rc3
        * Multiple memory and fd leak fixes in sessiond and consumerd
        * Test: stress test added to the repository but not in make check
        * Using LTTNG_HOME environment variable if exists, with fallback to HOME
        * Implement health check for app registration dispatch
        * Implement health check for app notification thread
        * Revert "Improve channel listing output format"
        * Fix: use lttng pipe to send new stream to thread
        * Change consumer_metadata_pipe to be a lttng_pipe
        * Change consumer_data_pipe to be a lttng_pipe
        * Add wrappers for pipe
        * Add --version command-line option to lttng.
        * Add --with-lttng-ust-prefix config option.
        * Fixes from coverity scan.
        * Stability fixes
        * RCU hash table are now destroyed in a seperate thread in sessiond

2013-05-09 lttng-tools 2.2.0-rc2
        * Fix: split UST per UID/PID default values
        * Fix: don't start the relayd with a wrong --output dir
        * Fix: Erroneous automatic session name when streaming
        * Fix: wrong data port when listing session's URI
        * Fix: don't create a channel on an enable channel
        * Tests: Add missing test_utils_parse_size_suffix to unit tests
        * Fix: print lttng strerror on enable event with filter
        * Fix: change relayd protocol version to 2.2
        * Fix: reset current size for tracefile rotation
        * Fix: remove extra -I for python bindings
        * lttng UI: round up trace file size to subbuf size if needed
        * Fix lttng UI: fix arg parsing, round size to next power of two
        * Fix: check errors in lttng command argument values
        * Implement get_count_order in lttng utils
        * lttng cli: Accept human readable sizes for --subbuf-size
        * Unit tests: don't rebuild units under test
        * Fix: consumerd metadata channel/cache/timer races
        * Fix: consumerd channel destroy race
        * Cleanup: document RCU read-side lock better
        * consumer relayd interaction: fix segfaults
        * Fix: change order of fd get to fix error path
        * Fix: fd leak when creating UST metadata channel
        * Fix: fd leak on error
        * Fix consumerd fd leak
        * Fix RCU-related hangs: incorrect lttng_ht_destroy use
        * rculfhash: check for callers from RCU read-side C.S.
        * Fix: don't call hash table destroy under rcu read-side c.s.
        * Documentation: import updated comments from urcu
        * Fix: segfault in buffer_reg_channel_destroy()
        * Fix: add missing goto error in UST consumer
        * Fix: no need to use run_as_open in the relayd
        * Fix: typo in enable-channel man and help
        * Fix: add some missing hidden attribute
        * Fix: per-uid buffers should only be flushed once on stop
        * Cleanup: Use own mutex within timer setup/teardown
        * Fix: channel management thread should hold a refcount
        * Fix: move metadata cache setup before ownership passing
        * Fix: consumer metadata switch timer error handling
        * Fix: set ptr to NULL to suppress old gcc warnings
        * Fix: linking order of libraries
        * Fix: multiple type mismatch in debug statement
        * Fix: remove mention of trace directory layout in quickstart doc
        * Fix: remove unused path variables from session obj
        * Fix: update lttng.1 man and enable-channel help with read timer size
        * Fix: use channel per domain default values
        * Fix: typos in the code base
        * Fix: deny multiple event types with enable-event
        * Fix: deny the same port for data and control URL
        * Fix: reset consumer destination when changing URIs
        * Fix: don't allow different control and data destination
        * Fix: typos in error strings
        * Improve channel listing output format
        * Fix: enable-channel accepts mismatched option
        * Fix: validate buffer type for UST channel creation

2013-03-28 lttng-tools 2.2.0-rc1
        * Add UST per UID buffers support
        * UST metadata generation are created on the sessiond side
        * Move LTTng-UST buffer ownership from application to consumer
        * Add a UST registry of events and channel in the sessiond
        * UST periodical metadata flush
        * Refactor tests to use prove and tap
        * Support for trace file rotation for the relayd and on disk
        * Support per-context filtering
        * Add channel wakeup fd to monitor close
        * Deprecate enable/disable-consumer
        * Multiple fixes and memory leak fix.

2012-12-20 lttng-tools 2.1.0 (13th Baktun)
        * STABLE VERSION 2.1.0-stable - "Basse Messe"
        * Multiple minor fixes
        * Multiple memory and fd leaks
        * Fix: Off by one in seq num for data pending command
        * Fix: flag metadata stream on quiescent control cmd
        * Fix: prioritize control socket communication in relayd
        * Fix: poll and epoll fd set reallocation
        * Fix: add missing goto pending if data is inflight
        * Fix: remove ua_sess->started assert on stop trace
        * Set classes of traffic in high_throughput_limit
        * Fix: use the poll wait ret value when iterating on fd(s)
        * Fix: force the poll() return value to be nb_fd
        * Fix: Wrong check of node when cleaning up ht
        * Fix: set started flag of ust app after ustctl
        * Fix: memory leak in add relayd socket error path
        * Fix: add packed attribute to filter structure
        * Fix: Add missing health code update for consumer command
        * Add LTTNG_PACKED macro
        * Fix data pending for inflight streaming
        * Map session id of relayd and sessiond in consumer
        * Add the relayd create session command
        * Make the consumer sends a ACK after each command
        * Remove MSG_WAITALL on every recvmsg() socket typ
        * Fix: Add missing relayd ht cleanup and ht destroy
        * Fix: Relayd and sessiond version check
        * Fix: protect consumer_find_channel with rcu locking
        * Fix: don't steal key when adding a metadata stream
        * Consumer hold stream mutex for add stream

2012-12-03 lttng-tools 2.1.0-rc9
        * Fix: set the stream ht static in consumer file
        * Update sessiond man page with new env var
        * Update lttng.1 man page
        * Fix: enable-consumer for all domains missing dir
        * Fix: Add missing fct prototypes when disabling UST
        * Fix a typo in lttng-probe-module name
        * Assign values to enum lttcomm_sessiond_command
        * Fix: run health test only if root
        * Clarify empty string/NULL filter errors
        * Fix: add missing padding for UST filter

2012-11-22 lttng-tools 2.1.0-rc8
        * Fix: Uninit. variable in lttng view
        * Add already enabled UST event error code
        * lttng.h API update: set filter becomes enable event with filter
        * Change the UST event hash table match function
        * Pass lttng_event struct to the set_filter API call
        * Adding context to an event is no longer possible
        * Add UST overlap tests
        * Add filter sequence number to UST
        * Fix: Typo from a previous patch in an assert()
        * Fix: Warn if session is running with lttng view
        * Fix: Add bash requirement to README for make check
        * Fix: add the notion of domain to lttng.1 man page
        * Enable additional kernel probes
        * Update CodingStyle
        * Use the new functions for default subbuf sizes
        * Add default subbuf sizes getter functions
        * Add max() and min() macro in common

2012-11-13 lttng-tools 2.1.0-rc7
        * Fix: Add pointer check when freeing poll events
        * Fix: FD leak on thread error
        * Fix: Wrong fd used by kernel_wait_quiescent
        * Support new lttng-ust error code
        * Fix: Don't set filter if enable event fails
        * Fix: Wrong data port when listing session
        * Fix: Enable event after start command
        * Fix: Teardown of thread_manage_clients on failure of listen/create_poll
        * Add a timeout to UST application socket
        * Fix: Consumerd error socket connect race
        * Fix: Set CLOEXEC flag on every created sockets
        * Remove consumer poll timeout in data thread
        * Fix: RCU hash table seed
        * Fix: Do not install health tests helper libraries
        * Fix: Create default channel on add-context if none
        * Support new liblttng-ust-ctl error code
        * Fix: Add EPIPE error handling on buffer splice
        * Fix: Channel creation error return code was not set
        * Fix: Wrong poll events on UST application socket
        * Fix: Remove dependency to urcu-cds in tools tests
        * Fix: Missing librt dependency in configure check for lttng-ust-ctl
        * Fix: Don't append datetime to default session name
        * Fix: Deny session creation name 'auto'
        * Fix: Add space for stream name CPU number
        * Fix: Add output option to enable-channel command

2012-11-02 lttng-tools 2.1.0-rc6
        * Tests: Add filtering tests for uncovered cases
        * Fix: Sync issue when deleting a data stream
        * Rename data_available to data_pending
        * Fix: consumer health state
        * Fix: Add the ACCOUNTING flag to ht creation and set bucket size to 0
        * Fix: Bad return error code handling
        * Fix: Use after free() of the rundir string
        * Fix: Cleanup UST app session on ustctl create session error
        * Fix: add missing pthread_join in sessiond
        * Fix: free running directory string
        * Fix: UST app clean list node usage
        * Add liblttng-ctl destructor to cleanup memory
        * Fix: Cleanup URIs on teardown
        * Fix: relayd memleaks
        * Fix: Memory leaks of allocated URIs
        * Fix: consumer output memory leak on creation
        * Fix: missing addrlen initialization before accept(2)
        * Fix: relayd trace file padding memleak
        * Fix: Remove useless consumer subdir string concatenation
        * Fix: lttng create allocated path memleak
        * Fix: Cppcheck memleakOnRealloc mistake
        * Fix: Synchronization issue for data available command
        * Fix: consumer relayd cleanup on disconnect
        * Fix: Handle the unary bitwise negation operator (~) in the XML printer
        * Fix: Possible memory leaks when creating filter IR root node
        * Fix: Delete stream on write error in consumer
        * Fix: Error handling when sending relayd sockets to consumer
        * Add stream lock comment for nesting
        * Fix: Mutex and RCU lock nesting in consumer
        * Fix: Uninitialized ret code
        * Fix: Remove bad condition and fix overflow issue
        * Fix: consumerd pthread error flow
        * Fix: Set a single return point and mutex unlock
        * Fix: Remove useless NULL and zero assignment
        * Fix: segfault on create session with two URLs

2012-10-22 lttng-tools 2.1.0-rc5
        * Fix: Remove network stream ID ABI calls
        * Tests: Add filtering tests
        * Wait for data availability when stopping a session
        * Relayd data available command support
        * Lib lttng-ctl data available command support
        * Consumer daemon data available command support
        * Add data structure for the data available command
        * Change the metadata hash table node
        * Make stream hash tables global to the consumer
        * Move add data stream to the data thread
        * Rename consumer threads and spawn them in daemon
        * Fix: relayd close stream command was not working
        * Fix: Relayd and consumerd socket leaks
        * Fix: Missing -ENODATA handling in the consumer
        * Fix: Empty metadata buffer(s) on HUP|ERR
        * ABI with support for compat 32/64 bits
        * Fix: Stream allocation and insertion consistency
        * Fix: output number of bytes written by relayd
        * Add hash table argument to helper functions
        * Fix: Add missing call rcu and read side lock
        * Tests: Fix LD_PRELOAD library lookup path for health tests
        * Fix: Add arbitrary wait period for kernel streaming test
        * Fix coding style and add/change debug statements
        * Fix: Build out of src tree
        * Tests: Add health check tests to configure
        * Tests: Add health check thread stall test
        * Tests: Add health check thread exit test
        * Tests: Add a health check utility program
        * Add testpoints in lttng-sessiond for each threads
        * New testpoint mechanism to instrument binaries for testing
        * Fix: off-by-one in comm proto between lttng-ctl and sessiond
        * Fix: Metadata stream leak when received in consumer
        * Fix: consumer_allocate_stream error handling
        * Fix: consumer should await for initial streams
        * Fix: Missing rcu read side lock in consumer

2012-09-26 lttng-tools 2.1.0-rc4
        * Fix: Change sempahore to pthread conditions
        * Fix: relayd relay_send_version: handle sscanf return code
        * Fix relayd: NULL ptr deref
        * Fix: relayd: possible NULL ptr deref, memory leak, accept fd leak
        * Tests: add print bytecode to filter grammar test
        * Cleanup: assign values to bytecode opcodes
        * Fix: Filter: Fix allocation length error
        * Fix: Filter: add missing ast free
        * Tests: Add high throughput with bandwidth limits test
        * Fix: Returned code when listing kernel channel
        * Tests: Rename helper functions to have consistent names
        * Tests: Cleanup redundant code and use printing helper functions
        * Tests: Add helper functions for printing status and banner
        * Tests: Add a check for color support when printing status
        * Fix: Lib lttng-ctl on error returns lttng code
        * Fix: lttng_set_event_filter() was returning bad error code
        * Fix: printing [no write] on lttng list -uf
        * Fix: Disable event on filter error with lttng
        * Fix: Wrong returned error code on UST enable event
        * Add consumer commands to lttng.1 man page
        * Add lttng_health_check(3) man page
        * Fix: Remove LPOLLNVAL from consumer metadata revents
        * Fix: Mismatch of field name between ust and tools
        * Add the written value when listing fields
        * Fix: Consumer return value check after mmap/splice
        * Don't send the subbuffer padding for streaming
        * Fix: Returned error code in consumer on read buffer

2012-09-12 lttng-tools 2.1.0-rc3
        * Fix: Relayd fix ret value when adding a connection
        * Add new thread in consumer for metadata handling
        * Fix: consumer recv command error path
        * Fix filter: fix recent regressions
        * Update lttng-ust-abi.h from upstream lttng-ust
        * Fix: Accept bytecode of length 65536 bytes
        * Fix: Generation of bytecode longer than 32768 bytes fails
        * Fix: Filter bytecode alloc buffer size must be a power of 2
        * Add lttng-ctl SWIG python bindings
        * Add C++ support to API header files
        * Librarify filter in liblttng-ctl and hide symbols
        * Set hidden visibility for calls used in lttng-ctl
        * Notify the user if a filter is already enabled
        * Install lttng-error.h and include it in lttng.h
        * Add lttng-error.h containing every API err. code
        * Fix: missing hostname context

2012-08-22 lttng-tools 2.1.0-rc2
        * Fix: put back 2.0 output text for lttng create cmd
        * Fix: remove set subdir call that uses bad ptr
        * Filter: Handle the unary bitwise not operator (~) with an unsupported
        * Fix: missing mutex unlock on register consumer err
        * Remove underscore from ifndef of lttng.h
        * Remove unused define in lttng.h
        * Standardize lttng command line usage text
        * Merge duplicate code in consumer for destroy relayd
        * Merge duplicate code in consumer for add relayd
        * Fix: Possible buffer overflows in strncat() usage
        * Move code out of main.c and fix some issues

2012-08-17 lttng-tools 2.1.0-rc1
        * Feature: Network Streaming
        * Add the lttng-relayd binary for network streaming
        * Support user space tracer filtering
        * Multiple fixes

2012-04-19 lttng-tools 2.0.1
        * Fix: test script for kernel module validation
        * Fix: report error to client on consumerd error
        * Fix: add missing ht_destroy at consumer teardown
        * Fix: consumer fd recv thread should write into non-blocking pipe
        * Fix: work-around glibc __nptl_setxid vs clone hang
        * Fix: consumer fd recv poll should be sensitive to POLLPRI too
        * Fix consumer lttng_consumer_poll_socket poll revents check bug
        * Fix: increase consumer open files limit
        * Update README: document dep on modprobe for kernel tracing
        * Fix: wait for sessiond to stop in tests
        * Fix: remove unused return variable
        * Don't report back error on syscalls fail for -a -k
        * Fix: destroy context hash table being NULL
        * Fix: make lttng expand path for trace output opt
        * Fix: return value signedness
        * Fix: man page environment variable name error
        * Fix: check return value on getenv USER

2012-03-20 lttng-tools 2.0.0
        * Fist STABLE version
        * Add version name: Annedd'ale

2012-03-20 lttng-tools 2.0.0-rc4
        * Fix: add small detail to enable-channel man page
        * Fix: warned of arbitrary time for ust-nprocesses test
        * Fix. add limitation to man page
        * Fix: minor changes to lttng.1
        * Fix: add exit values to lttng.1 man page
        * Fix: add delay before validating apps in test nproc
        * Fix: error handling in lttng enable-event
        * Fix: document structure init. to 0 in lttng.h
        * Fix: uninitialized variable
        * Keep track of FD used for UST applications (v2)
        * Fix: lttng view, error message and exit code
        * Small fixes to lttng man pages (v2)
        * Fix: handle EINTR for sendmsg syscall
        * Fix: lttng UI exit value and error message
        * Fix: session lock use after free
        * Fix kernel_list_events memleaks
        * Fix debug message use uninitialized variable
        * Fix: trace_ust_destroy_metadata should check for NULL pointer
        * Fix: various memleaks
        * Fix: hash table allocation out of order on error
        * fix: lttng_ht_destroy memleak

2012-03-16 lttng-tools 2.0.0-rc3
        * Fix: missing headers for make dist
        * Fix: install lttng-consumerd in lib/lttng/libexec/
        * Fix: Redefine MAP_STACK to 0 if not defined by the architecture
        * Fix: consumer CPU hotplug support
        * Fix: double PID registration race
        * Make libcompat independent not to confuse automake
        * Clarify the license of lttng-ust-abi.h
        * Fix: License header
        * Fix: wrong return value on consumer socket creation
        * Fix: test for UST invalid channel parameters at channel creation
        * Fix: recvmsg should handle EINTR
        * Fix: error.h non-static variables for liblttng-ctl
        * Fix: missing _GNU_SOURCE define
        * Fix: improve need root for kernel tracing error message
        * Fix: start/stop lttng message error

2012-03-02 lttng-tools 2.0.0-rc2
        * Fix: meaningful error message
        * Fix: UST consumer need to iterate on streams, just change their key
        * Fix: add missing rcu read lock across RCU HT iteration
        * Fix: kernel session closes fd 0 after create
        * Fix: sendmsg EPIPE should be quiet by default (expected)
        * Fix: thread_registration_apps should set its local sock to -1 when passing it
        * Fix: clock -> sock typo
        * Fix: consumer race: should allow reuse of FD key
        * Fix: Use PERROR all across lttng-tools, never make it quiet
        * Fix: test all close return values in sessiond
        * Fix: All perror turned into PERROR to show file and line number
        * Fix: large audit of close() use in sessiond main.c
        * Fix: main.c client/apps sockets and kernel_trace_fd close(0)
        * Fix: incorrect close of fd 0 for syscall kernel event destroy
        * Fix: sessiond has incorrect missing 0 value in FD check
        * Fix: sessiond app listening: use posix-compliant poll flags
        * Fix: consumer printf type should match ssize_t (%zd)
        * Fix: make ust consumer posix compliant for poll flags
        * Fix security permission on lttng run directory
        * Fix: Display right loglevel_type in error message
        * Fix documentation in lttng.h
        * Fix: lttng UST and kernel consumer: fix ret vs errno mixup
        * Fix: restart consumerd and sessiond when interrupted in poll()
        * Fix: handling bad channel when sending to consumer
        * Fix useless variable
        * Fix add-context returned error
        * fix: add missing break in command handling
        * fix: command handling: do not check domain for commands not requiring domain
        * fix: if tracing group does not exist, do not report a client error
        * Fix: run_as error handling
        * Fix usage note on -a
        * Revert FreeBSD compatibility layer
        * Fix: documented number of subbuffers is incorrect
        * Document that num-subbuf and subbuf-size need to be power of 2
        * Merge branch 'master' of git://git.lttng.org/lttng-tools

2012-02-20 lttng-tools 2.0.0-rc1
        * Fix lttcomm_close_unix_sock to actually close the socket
        * lttng-sessiond: Set group permissions explicitly

2012-02-16 lttng-tools 2.0-pre23
        * configure.ac: Fix consumerd64-libdir typo
        * Fix existing session daemon check
        * Fix missing session locks
        * Fix return value on ust app session create
        * Fix double start/stop trace
        * Fix ust app session started state on start trace
        * modprobe statedump, signal and timer lttng module
        * Fix hyphens in man pages

2012-02-14 lttng-tools 2.0-pre22
        * Add the bash-completion file to the dist tarball
        * Add the LICENSE file too
        * Package used for the Ubuntu LTS (feature freeze)

2012-02-13 lttng-tools 2.0-pre21
        * Fix licensing for hashtable/utils.c
        * Print loglevel value in list -u
        * Remove "<all> from MSG() when no loglevel is selected
        * Initial import of man lttng.1 and lttng-sessiond.8
        * Fix memory leak  master

2012-02-09 lttng-tools 2.0-pre20
        * New lttng view command
        * Multiple loglevel fixes
        * Fix list command
        * Fix session syscall listing
        * Multiple fixes across the code base

2012-02-02 lttng-tools 2.0-pre19
        * Update lttng ust ABI/API copy
        * Implement UST calibrate and change default
        * Add MSG_WAITALL to recvmsg of sessiond-comm
        * Check kernel version for tests
        * Add a '--list-options' option to each command.
        * First import of extras/ with lttng bash completion
        * Remove default defines from lttng.h
        * Fix lttng sessiond spawn wait race
        * Add CMD_WARNING error code
        * Fix context mapping for UST and kernel
        * Add kernel work-around for boot_id
        * Rewrites lttng-ctl's set_session_daemon_path
        * Fix memory lean in all lttng cli commands
        * Update loglevel ABI
        * Add padding to all ABIs for future development.
        * Improve error handling of lttng cli
        * Multiple fixes across the code base (nothing critical)

2012-01-23 lttng-tools 2.0-pre18
        * Complete change of the source directory tree
        * Move compat to common and create an internal lib
        * Rename lttngerr.h to error.h
        * Add kernel module version validation
        * Add UST version validation
        * Change SIGCHLD to SIGUSR1 when lttng waiting on sessiond
        * Fix off-by-one and double list size instead of steady increment

2012-01-19 lttng-tools 2.0-pre17
        * Add and support the new hash table library
        * Add lttng hash table support to liblttng-consumer
        * RCU support for consumer's hash tables
        * UST consumer close shm fd after mapping it
        * Remove CLONE_VM flag for runas making gdb debugging impossible
        * Make MSG() print on stdout instead of stderr
        * Don't init kernel tracer if not root (UID=0)
        * Multiple fixes found when reaching max. number of open files
        * Add some UST tests
        * Multiple segfaults and assert error fixed

2011-12-23 lttng-tools 2.0-pre16
        * Per-user lttng-sessiond now fully functionnal
        * Fix nested double usage of hashtable iterators
        * Support creds passing between lttng and sessiond
        * Rename sessiond internal "uid" fields to "id"
        * Create all trace directories and files with client user credentials
        * Create output directory at session creation command
        * Only allow the user or group owning the session (or root) to control a session
        * Add disable kernel tracing option to sessiond

2011-12-13 lttng-tools 2.0-pre15
        * (MAJOR) User-space tracing support for global domain (lttng-ust 2.0)
        * UST consumer 32/64 bit support
        * Multiple bug fixes
        * Multiple segfault, race and double lock fixes
        * API change for lttng_list_domains, lttng_start/stop and lttng_destroy
        * UST loglevel support
        * ABIs now support 256 char event names
        * Dependency on libpopt >= 1.13
        * Dependency on URCU >= 0.6.7
        * Rename kernel-ctl.c/.h to kernel.c/.h
        * Change malloc to zmalloc in lttng-sessiond code
        * RCU hashtable support for all UST data structure
        * New libconsumer for UST, kernel and one generic
        * Change "--all" option from lttng command line
        * Remove function entry option to discourage its use

2011-09-30 lttng-tools 2.0-pre14
        * Syscall tracing support
        * Multiple bug fixes (nothing critical)
        * Add userspace RCU hash table to tree for dev
        * Update UST ABI
        * Fix epoll that did not handle EINTR
        * Liburcu >= 0.6.5 is needed from this release
        * Enabling all events also enable syscall tracing
        * Debug messages are now on stderr
        * Add basic data structure for UST support but not ready yet.

2011-08-25 lttng-tools 2.0-pre13
        * Memory leaks fixes and double lock list
        * Add UST registration with sychronisation
        * Use poll/epoll compatibility layer for the sessiond
        * Major code cleanup of ltt-sessiond/main.c
        * Increase listen() connexion limit
        * Fix bad enable-channel command
        * Rename trace.c/.h to trace-kernel
        * Multiple fixes on the poll management with the new epoll API

2011-08-25 lttng-tools 2.0-pre12
        * Multiple fixes
        * Fix kconsumerd handling custom channel output
        * Add lttng_register_consumer to register a custom consumer
        * Add multiples tests of the session daemon
        * Default kernel channel size/number changed
        * Support for UST application registration
        * Import LTTng UST 2.0 ABI
        * Send data to kconsumerd before tracing start
        * Export API of lib kernel consumer (liblttngkconsumerd)

2011-08-12 lttng-tools 2.0-pre11
        * New lttng API using the lttng_handle
        * Multiple fixes of kernel consumer
        * Register the consuming function and add a library context
        * Kernel consumer fix mmap/munmap
        * lttng-sessiond-comm header has been privatize
        * Kernel traces are written in the kernel/ directory
        * Add underscore to enable-channel command options

2011-07-29 lttng-tools 2.0-pre6
        * Fix enable multiple events
        * Add function entry feature

2011-07-28 lttng-tools 2.0-pre5
        * Fix Add context command
        * Fix auto session path creation
        * Fix bad strncmp at channel creation

2011-07-23 lttng-tools 2.0-pre4
        * Fix kprobe attributes
        * Fix channel creation when not found at event enable
        * Add safe list iteration
        * Add two tests into the git tree
        * Kernel consumer can be put in debug mode with -vv
        * Trace path is now created on the client side

2011-07-23 lttng-tools 2.0-pre3
        * Fix perf hw cache counter config values

2011-07-22 lttng-tools 2.0-pre2
        * Multiple fixes
        * New add-context options for perf counter and context
        * Using the install bin path from autotool for execl() call
        * Update quickstart guide

2011-07-20 lttng-tools 2.0-pre1
        * First prerelease of lttng-tools.
        * Working with the LTTng v2.0-pre1 modules and Babeltrace v0.1