Version 2.6.6
[lttng-ust.git] / ChangeLog
1 2016-04-26 lttng-ust 2.6.6
2 * Fix: disable use of __builtin_return_address(0) on 32-bit PowerPC
3
4 2015-11-26 lttng-ust 2.6.5
5 * Fix: header size larger than 256 bytes
6 * Remove stale tests/java-jul test
7 * Fix: live timer calculation error
8 * Fix: Don't (re)define STAP_PROBEV
9
10 2015-09-24 lttng-ust 2.6.4
11 * Fix: don't dereference NULL pointers
12 * Cleanup: Remove unused values
13 * Fix: Value stored to 'has_waited' is never read
14 * Fix: Argument with 'nonnull' attribute passed null
15 * Fix: sysconf() unchecked return value
16
17 2015-09-09 lttng-ust 2.6.3
18 * Fix: close socket on protocol error, sendmsg MSG_NOSIGNAL
19 * Fix: add missing ust lock around objd_table_destroy()
20 * Fix: application exit race with pthread cancel
21 * Fix: Java agent: update ref count in enabledLoggers
22 * Fix: Use $enableval with AC_ARG_ENABLE
23 * Fix: Cleanup local_apps sock_info in lttng_ust_cleanup
24 * Fix: handle sys_futex EINTR and EWOULDBLOCK
25 * Fix: update liburcu URL
26 * Fix: running java examples out of tree
27 * Fix: java class check when uudecode is not present
28 * Fix compilation warnings in the Java agent
29 * Fix: out of tree build of java agents
30 * Fix: Use env CLASSPATH when building log4j example
31 * Fix: build log4j example when enabled
32 * Fix: perform volatile load of tracepoint state
33
34 2015-06-18 lttng-ust 2.6.2
35 * Add aarch64 support to configure
36 * Fix: function instrumentation ip context
37 * Fix: liblttng-ust-dl ip context
38 * Fix: pthread wrapper ip context
39 * Fix: lttng-ust-malloc ip context
40 * Allow TP_IP_PARAM arg name to be configured
41 * Fix: fetch caller address from tracef()
42 * Fix: building probe providers with C++ compiler
43
44 2015-04-29 lttng-ust 2.6.1
45 * Fix: use lttng_secure_getenv to handle env. vars. involving paths
46 * Fix: add missing getenv wrapper
47 * Fix: Don't wait during registration if clock_gettime() fails
48 * Fix: Mismatching code and console output in log4j example
49
50 2015-01-26 lttng-ust 2.6.0
51 * Fix: java-agent: out-of-tree path to java manifest
52 * Fix: missing parenthesis in offset_align_floor
53 * Fix: add ustctl_has_perf_counters
54 * Fix: add urcu-bp TLS fixup
55 * Fix: add missing poll.h include
56 * Fix: get_subbuf: bound number of consumerd retry
57
58 2014-12-12 lttng-ust 2.6.0-rc3
59 * Fix: man: you can't link a lib with a static lib
60 * Fix: context alignment not properly handled
61 * Fix: Shorthand option -cp not supported in all version of Java
62 * Fix: allow tracepoints to build with --std=c99
63 * Fix: filter attach vs event enable race
64 * Fix: add a configure check for weak symbols support
65 * Fix coverity warning about sizeof(void **) != sizeof(void *)
66 * Fix: off-by-one in sequence filter comparator
67 * Fix: Java Agent JAR file symlink should be created after objects install
68
69 2014-11-04 lttng-ust 2.6.0-rc2
70 * Fix: Add versioning to liblttng-ust-agent JAR
71 * Fix: Warn when log4j version is too old
72 * Update Java agent documentation
73 * Fix: Try loading classes using the thread context class loader
74 * Update version name
75
76 2014-10-20 lttng-ust 2.6.0-rc1
77 * Add missing file to gitignore
78 * Fix: preserve example files' timestamps when copying
79 * Fix: Abort loading log4j agent classes when detected log4j version is too old
80 * Cleanup: Remove the no longer needed liblttng-ust-jul folder
81 * Fix: Wrong CLASSPATH when building liblttng-ust-java oot
82 * Fix: Wrong CLASSPATH when building liblttng-ust-java-agent oot
83 * Rename public structure to avoid collisions
84 * Refactor liblttng-ust-jul in liblttng-ust-agent
85 * Build the liblttng-ust-java library using the new M4 macros
86 * Add M4 macros helpers to build Java programs
87 * Modernize README using Markdown
88 * Documentation: clarify event name in lttng-ust.3
89 * Add cscope to gitignore
90 * configure.ac: fix "missing jni.h" error message
91 * Fix: remove references to trace_printf()
92 * Change JUL agent to use the new ABI
93
94 2014-07-16 (Take Your Poet to Work Day) lttng-ust 2.5.0
95 * Mutex while updating statedump_pending is not needed
96 * Revert "Turn base address dump into experimental feature"
97 * Fix: document ust_fork_mutex nesting
98 * Bugfix for #745 deadlock with baddr statedump+fork
99 * Move enablers syncing after the channel registration
100 * Add lttng_ust_notrace to static inline functions
101 * lttng ust: support ppc64le within configure
102
103 2014-06-27 lttng-ust 2.5.0-rc2
104 * Fix: lttng-ust-jul: set thread in daemon mode
105 * JUL: use root logger to capture events
106 * Fix: Wrong configure check for UST perf event counters context support
107 * Fix: multiple providers in same C file failure
108 * Fix: header inclusion guard typo in lttng-ust-tracef-provider.h
109 * Fix: 2.5.0-rc1 changelog has off-by-one date
110
111 2014-05-28 (International Hamburger Day) lttng-ust 2.5.0-rc1
112 * Fix: out of tree build for lib Java and JUL
113 * Fix: default loglevel is DEBUG
114 * Fix: refuse overwrite mode buffers with less than two subbuffers
115 * Fix: tracef.h: add missing c++ guard
116 * Fix: remove JUL loglevel filtering from the agent
117 * Fix: cleanup JUL agent state on sessiond disconnect
118 * Fix: Move generated headers to the BUILT_SOURCES target
119 * Fix: perf ust: check close return value
120 * Cleanup: work-around missing inet.h struct mmsghdr fwd declaration
121 * Implement LTTng-UST perf counters support on x86
122 * Fix linking failure when cross-compiling
123 * Fix: disable liblttng-ust-dl if dlinfo is not available in C library
124 * Fix: pass proper args when writing commit counter
125 * Fix: pad strings that are modified concurrently with tracing
126 * Fix: Use $AM_CC when it is defined instead of gcc in demo-tracef
127 * Revert "Fix: disable liblttng-ust-dl if dlinfo is not available in C library"
128 * Fix: .split() the CC environment variable in lttng-gen-tp
129 * Fix: disable liblttng-ust-dl if dlinfo is not available in C library
130 * Fix: python invocation through env
131 * Change default loglevel to TRACE_DEBUG_LINE
132 * Fix: Override AM_PATH_PYTHON's default action-if-not-found
133 * Fix: don't accept configure --disable-shared
134 * Fix: configure.ac: add missing result to alignment req. check
135 * Fix: malloc wrapper: infinite recursion with compat TLS
136 * Fix: lttng-ust needs -ldl for tracef()
137 * Fix: typo in lttng-ust.3
138 * Fix: liblttng-ust-libc-wrapper recursive use of calloc
139 * Fix: add demo-tracef to dist tarball
140 * Fix: add missing header files for tracef
141 * Implement tracef() instrumentation API
142 * Add 'unused' attribute to tracepoint callback
143 * Use autoconf AM_MAINTAINER_MODE
144 * Fix: mismatch between code and comments
145 * Fix: incorrect urcu git URL in README
146
147 2014-02-28 (Public Sleeping Day) lttng-ust 2.4.0
148 * Fix: JUL test: update to API change
149 * Fix: Cast from pointer to different integer size warning
150 * Turn base address dump into experimental feature
151 * Fix: JUL support multiple loglevels
152 * Fix: Skip lttng-gen-tp example build if Python is missing
153 * Fix: dynamically fetch the session daemon port
154 * Fix: JUL agent connect to user and root sessiond
155 * Fix: handle registration done command
156 * Fix: Unsynchronized access in LTTngTCPSessiondClient
157 * Cleanup: fix comment
158 * Fix: Dump executable base-address with readlink
159 * Fix: add assert for NULL dereference
160 * Fix: tracepoint out of memory handling
161 * Fix: dereference before null check
162 * Cleanup: remove logically dead code
163 * Fix: handle sysconf errors
164 * Fix: java-jul/Makefile should not be marked as a binary
165
166 2014-02-14 lttng-ust 2.4.0-rc4
167 * Cleanup: remove extra space in dlerror wrapper
168 * Fix: work-around glibc lying about dlsym()/dlerror() leafness
169 * Cleanup: add lttng_ust_malloc_wrapper_init prototype to header
170 * Fix: malloc libc instrumentation wrapper
171 * Fix: add LTTngEvent class to fix delayed logger
172 * Fix: FD leak in liblttng-ust-ctl
173 * Fix: liblttng-ust-dl Makefile flags mismatch
174 * Fix: liblttng-ust-fork Makefile flags mismatch
175 * Fix: out of tree examples build
176 * Fix: C++: incomplete extern C guard transition
177
178 2014-01-29 lttng-ust 2.4.0-rc3
179 * Fix: add missing JUL loglevel handling
180 * Cleanup gen-tp: add quotes around AM_CC
181 * Pass the CC variable to the example Makefiles
182 * cleanup ust_baddr and ust_baddr_statedump doc
183 * baddr: add ust_baddr and ust_baddr_statedump doc
184 * Fix: baddr_statedump tracepoint registration
185 * Fix: baddr out of tree build
186
187 2013-12-10 lttng-ust 2.4.0-rc2
188 * Fix: baddr_statedump tracepoint registration
189 * Fix: baddr deadlocks and RCU races
190 * Fix: lock exit mutex when creating threads
191 * Fix: baddr deadlock with lttng-ust destructor
192 * baddr: include missing header
193 * baddr: get session under lock
194 * Fix: take the ust lock around session iteration in statedump
195 * Fix: baddr_statedump deadlock with JUL tracing
196 * Fix: client_packet_header() uses wrong packet
197 * Cleanup: fix typo in ring buffer backend comment
198 * Compile liblttng-ust-baddr c files into liblttng-ust
199 * Allow suppressing of base-address-state tracing
200 * Integrate base-address statedump into lttng-ust
201 * Fix: eliminate timestamp overlap between packets
202 * Fix: lttng-gen-tp to build out of tree
203 * Fix: compile doc/ after JUL/Java
204 * JUL: add Hello.java in doc/examples
205 * Fix lttng-ust(3) manpage
206 * JUL: fix enable all event for delayed Logger
207 * Fix: typo in JNICALL for the JUL tracepoint
208 * Fix: move va_end to outermost label
209 * Fix: add missing NULL check after allocation
210 * Fix cleanup: all spaces before flags
211 * fix: lttng-gen-tp: add missing spaces around flags
212
213 2013-11-15 lttng-ust 2.4.0-rc1
214 * doc/examples: error out when a subdir make fails
215 * JUL: fix out of tree build
216 * Java/jul: fix make dist
217 * JUL: install documentation and jar file
218 * Add missing copyrights to test scripts
219 * Escape minus signs in lttng-ust-cyg-profile manpage
220 * Fix spelling mistake in lttng-ust manpage
221 * Fix tests/benchmark
222 * Implement base-address-state tracing
223 * Base-address tracing for dlopen and dlclose
224 * Add a check against excluders
225 * Add handler for LTTNG_UST_EXCLUSION in UST ABI
226 * Store exclusions to enablers
227 * Add excluders to enabler structure
228 * Send exclusion data through ustcomm
229 * Define exclusion structure for UST ABI
230 * Define a new command LTTNG_UST_EXCLUSION
231 * Fix: package of LTTngUst.h was renamed without renaming target in makefile
232 * Fix: check for java .class in package subfolders
233 * Fix: java library to use user define JDK at compile time
234 * Add liblttng-ust-jul for JUL support
235 * Fix: application SIGBUS when starting in parallel with sessiond
236 * Fix: Minor corrections to the lttng-ust man page
237 * Documentation cleanup: Overhaul of the lttng-gen-tp man page
238 * Warning cleanup: add missing padding initializer
239 * Fix: socket connect hang on heavy loads
240 * Cleanup: fix typo
241 * Fix: ust-comm recvmsg should handle partial receive
242 * gcc warning fix: -Wextra
243 * Add usage reference count for tracepoints
244 * tracepoint.c: Move add_callsite/remove_callsite further down in file
245 * Store the callsites into the library callsite list
246 * Fix linking warning
247 * Per-stream ioctl to get the current timestamp
248 * LTTng ringbuffer ABI calls for index generation
249 * Specialize lttng_ust_lib_ring_buffer_client_cb
250 * Add tracing instrumentation for pthread mutex lock functions
251
252 2013-09-03 lttng-ust 2.3.0
253 * No change
254
255 2013-08-30 lttng-ust 2.3.0-rc2
256 * doc/examples/gen-tp: pass automake CPPFLAGS/CFLAGS/LDFLAGS
257 * tools/lttng-gen-tp: honor CPPFLAGS and LDFLAGS
258 * Fix: doc/examples cross-build
259 * Fix: liblttng_ust.la should depend on liblttng-ust-tracepoint.la
260 * Introduce configure --with-lttng-system-rundir
261 * examples: tracepoint probes don't need extern C
262 * Tracepoint probes don't need extern C
263 * Add trace support for memalign and posix_memalign
264 * malloc instrumentation: remove dependency on pthread
265 * Add trace support for calloc and realloc.
266 * Fix: allow make check to run in VPATH build
267 * Update .gitignore
268 * Update obsolete benchmark test
269 * Cleanup tests (2nd commit)
270 * Cleanup tests
271 * Fix: doc/examples VPATH build
272
273 2013-07-17 lttng-ust 2.3.0-rc1
274 * Fix: Unchecked asprintf/vasprintf return values
275 * Missing NULL pointer init in tap.c
276 * Disable doc/examples build
277 * Add python3 support to lttng-gen-tp
278 * Bump ABI major to 5
279 * callsite: add "ip" context
280 * Allow environment variable LTTNG_HOME to override HOME
281 * Fix: libs order in Makefile
282 * Fix: ring buffer: get_subbuf() checks should be performed on "consumed" parameter
283 * Introduce ustctl_write_one_packet_to_channel
284 * build: Fix out-of-tree build
285 * Fix: SWITCH_FLUSH new sub-buffer checks
286 * Fix: ring buffer: handle concurrent update in nested buffer wrap around check
287 * Cleanup: lib_ring_buffer_switch_new_end() only calls subbuffer_set_data_size()
288 * Fix: doc/examples: gen-tp path
289 * Revert "Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()"
290 * Fix: handle writes of length 0
291 * Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()
292 * Fix: lttng-events VPATH build
293 * Allow #include in template (.tp) file
294 * tests/hello.cxx: rename tp.cpp into tp-cpp.cpp
295 * doc/examples: build gen-tp example by default
296 * doc/examples: support BSD make
297 * Tracepoint.h: replace assertion by fprintf and abort()
298 * Remove unused assert.h from bitfield.h
299 * Clarify probe registration documentation/errors
300 * Fix: Check C++ designated initializers support before compiling 'hello.cxx' test
301 * Add mising include in ust.h
302 * lttng-gen-tp: Fix include guard name with file using non valid characters
303 * Fix: segfault when print invalid command
304 * Fix: Add --no-as-needed to the demo example's Makefile
305 * zmalloc: attribute always_inline
306 * Fix: liblttng-ust process startup hang when sessiond is stopped
307 * Move include directive from CFLAGS to LOCAL_CPPFLAGS in examples' Makefiles
308 * Allow tracepoint providers to be compiled with g++
309 * Add parameter -f to rm in Makefile clean target
310 * Fix: missing dependency for liblttng-ust-tracepoint.so
311 * Remove 0.x TODO
312 * Add warning about default prefix and library paths to README
313 * Revert "Revert "Fix (another) linker library order""
314 * Revert "Revert "Fix linker library order""
315 * snprintf: play nice with static checker
316 * tracepoint.c: Add coverity alloc/free annotations
317 * Fix: "fields" leak on register
318 * Fix: memory leak for events without fields
319 * Fix: memory leak on connection reset
320 * Revert "Fix linker library order"
321 * Revert "Fix (another) linker library order"
322 * Fix: incorrect support for multi-context
323 * Fix (another) linker library order
324 * Fix typo in run script
325 * Fix linker library order
326 * Fix examples: add missing CPPFLAGS
327 * example Makefiles: standardize on $^ for linking
328 * Fix demo example Makefile
329 * Move "hello-static-lib" to doc/examples and add non-automake Makefiles
330
331 2013-05-09 lttng-ust 2.2.0-rc2
332 * manpage: Document probe provider compatibility
333 * Fix: add provider ABI compatibility check
334 * Cleanup: ignore mktemp return value
335 * Cleanup: documentation: argument vs field
336 * Documentation: document undefined behavior for NULL pointers
337 * Cleanup: silence cppcheck error
338 * Fix: add internal mutex for timer
339 * 32-bit warning fix for cyg profile fast
340 * Fix warnings for 32-bit in lttng-ust-cyg-profile
341 * Typo fix in README
342 * Fix: tracepoint.h incorrect assumption about constructor order
343 * Cleanup: comment mismatch with code
344 * Fix: ABI breakage between 2.1 and 2.2-rc1
345 * Documentation: document that sequence len field is unsigned
346 * connect: don't report EACCES
347 * connect: don't print error on EPERM
348 * Bump liblttng-ust-ctl lib version major number
349 * Optimisation: implement callsite hash table in tracepoint.c
350 * Optimisation: only update added library in tracepoint.c
351 * Optimisation: only fix pending events once per lazy update
352
353 2013-03-28 lttng-ust 2.2.0-rc1
354 * Fix: tracepoint instrumentation constructor order issue
355 * Documentation: update 2.0 to 2.x
356 * Add demo test back as an example
357 * Don't rely on explicit context for filtering
358 * Implement per-context filtering
359 * Fix: filter string comparison should check for literal
360 * update tests/demo readme file
361 * Add man page for lttng-ust-cyg-profile
362 * Fix: filter string wildcard comparison
363 * Fix: Remove test runner script
364 * Fix: forwarding of call_site argument to field
365 * Add demo README
366 * Tests: Use Perl prove as the testsuite runner
367 * Remove tests depending on consumerd
368 * Convert hello.cxx test to a build test
369 * Clean-up of configure.ac and tests/Makefile.am
370 * Fix snprintf test and output result to TAP format
371 * Replace same_line_marker test with same_line_tracepoint
372 * Remove tests-libustinstr-malloc
373 * Remove exit-fast test
374 * Remove fork test
375 * Remove daemon test
376 * Remove demo test
377 * Remove outdated test-nevents test
378 * Remove outdated simple_include test
379 * Remove outdated register_test test
380 * Convert hello-static-lib test to a build test
381 * Convert hello test to a build test only
382 * Remove outdated libustctl_function_tests test
383 * Remove outdated test hello2
384 * Remove outdated dlopen test
385 * Remove outdated test basic long
386 * Remove outdated test basic
387 * cyg_profile: implement fast and verbose .so
388 * Performance: add unlikely to tracepoint dynamic linking test
389 * Fix: _LGPL_SOURCE rcu dereference fix
390 * Implement liblttng-ust-cyg-profile function entry/exit instrumentation
391 * Minor fix: libc wrapper internal run script
392 * Fix: ustctl_recv_register_event pointer mixup
393 * Fix: allow enabling same events for two channels
394 * Add channel ID field to attr
395 * Remove useless else clause
396 * tracepoint: move "probe" test outside of loop
397 * Fix uninitialized has_loglevel variable
398 * Fix clang warnings
399 * Cleanup: work-around clang unused result warning
400 * Cleanup compile warning
401 * Cleanup: remove unused variables
402 * tracepoint: Don't add NULL probes
403 * Remove mention of locking issues associated with dlopen usage
404 * Implement read timer (for RT)
405 * Only flush when there are readers active
406 * Add mutex for channel wakeup fd update
407 * Fix: fields should be initialized to NULL
408 * Implement ustctl_duplicate_ust_object_data
409 * Add channel wakeup fd to monitor close
410 * Fix: refcount issue in lttng-ust-abi.c
411 * Fix: only consumerd should print errors
412 * Implement ring buffer periodic buffer switch timer
413 * Fix: ensure all probe providers have their symbols
414 * Reactivate error printing
415 * Unregister tracepoint probes when not needed
416 * Cleanup: remove now unused metadata code from UST
417 * Fix: notification timeout logic
418 * Fix: don't print error in comm proto connect on ENOENT
419 * Fix: return expected error return values for sessiond
420 * Fix: set wait/wake fd to -1 before close
421 * Fix: Only notify socket should have timeout/nonblock
422 * Fix: ustctl: return -EPIPE to sessiond if connection is closed
423 * Fix: Add timeout on notification socket
424 * Remove now unused metadata printf code
425 * Move metadata creation into lttng-sessiond and lttng-consumed
426 * Add write metadata API to ust-ctl.h
427 * Move UST registry into sessiond and implement notifiers
428 * Fix: don't flush-final for offset 0 if reader is on sub-buffer
429 * Use tp rcu link test in provider
430 * Remove direct dependency of probes on urcu-bp
431 * Use urcu tls-compat.h
432 * Lazy provider registration
433 * Always use lttng_get_probe_list_head to get probe list
434 * Fix static build
435 * Move LTTng-UST buffer ownership from application to consumer
436 * Fix package: don't distribute generated headers
437 * Fix: don't cancel already exited threads
438 * Scalability fix: tracepoint.c hash table size increase
439 * Scalability fix for many events: event hash table size
440 * Speed up probe registration for large amount of events
441 * Add missing demo-trace shell script to dist tarball
442 * Documentation: add uuid package name for Fedora in README
443 * Fix: missing test for lttng_ust_comm_should_quit in lttng-ust-comm.c
444 * Add compilation support for Tile architectures
445 * Documentation: clarify debian package name for uuid in README
446 * Fix: comment in ust-ctl.h
447 * Fix I/O-related error values in ustctl
448 * Introduce hash table for lttng_create_event_if_missing()
449 * Fix: don't build C++ example if a C++ compiler isn't available
450 * Remove LIBFORMAT output in configure.
451 * Document dependency on libuuid
452
453 2012-12-20 (13th Baktun) lttng-ust 2.1.0
454 * Bump liblttng-ust-ctl lib version major number
455 * Bump UST proto version minor number
456 * Helper to debug: add object name
457 * Tests: Fix rundir not created in ust-basic-tracing
458 * ust test: add missing return -1
459 * Test: update ust tracing unit tests to 2.1 internal ABI
460 * Tests: Fix rundir not created in ust-multi-test
461 * Adapt internal files and examples to TRACEPOINT_INCLUDE
462 * Adapt tests to TRACEPOINT_INCLUDE
463 * Cleanup: tests remove hello.cxx/ust_tests_demo.h
464 * Fix: don't do macro expansion in tracepoint file name
465 * Fix lttng-gen-tp: Template file must end in .tp
466 * Pack structures in comm protocol between UST and sessiond
467 * Cleanup lttng-gen-tp: Help not showing when using -h,--help
468 * Cleanup lttng-gen-tp: remove leading underscore before include guard
469 * fix memleak: ustctl free shadow chan on ustctl_unmap_channel()
470 * Update license text
471 * Fix: check if event enabled for bytecode-less events
472 * Fix: handle enablers without bytecode
473 * Print probe provider mismatch error even without -Wsystem-headers
474 * filter: Add missing padding
475
476 2012-11-22 lttng-ust 2.1.0-rc2
477 * filter interpreter cleanup: use uint64_t for retval
478 * Fix: filter linking can dereference NULL pointer on alloc failure
479 * Cleanup: remove whitespaces and EOL in tests
480 * Filter: use only single lower bit of filter return value
481 * Fix: filter: var len array at end of external structure
482 * Fix: filter link fail handling
483 * Fix: add missing seqnum field to filter
484 * filters: perform union rather than intersection
485 * Implement support for overlapping wildcard/events
486 * Cleanup: add lttng_/lttng-/LTTNG_ prefixes
487 * filter: add seqnum field to filter command
488 * Filter iteration: iterate on list of filters
489 * document that tracepoint names should ideally not be re-used
490 * Remove LIBFORMAT config declaration, unused
491 * Add libc errno translation layer to UST error code
492 * Fix: add const qualifier for filter local void *
493 * Fix: re-allow non-lvalue string, sequence, array parameters
494 * Tear down handles associated with a closed sessiond socket
495 * Distinguish UST return codes from transport return codes
496 * Fix: Conditionally disable tests requiring shared libs support
497 * Cleanup: don't spawn per-user thread if HOME is not set
498 * Manpage: document supported UST contexts
499 * Fix: procname context semantic
500 * Fix: Fix self-assign warning on struct ustfork_clone_info init
501 * Fix: memcpy of string is larger than source
502 * Implement liblttng-ust-fork daemon() override test
503 * liblttng-ust-fork: override daemon() call
504 * ustfork: set errno to ENOSYS if symbol lookup fails
505 * Fix: be quiet on filter linker error
506 * Build out of src tree
507 * Fix: filter bytecode specializer stack leak
508 * Fix: reloc offset validation error out on filters with no reloc table
509 * Perform calculation on bit size in 64-bit
510 * Use uint64_t for packet header content size and packet size
511 * Fix: manpage typo "-lllttng-ust" -> "-llttng-ust"
512 * Fix: BSD getprogname null pointer dereference
513 * Add support for model.emf.uri event info
514 * Filter error message cleanup
515 * Manpage update: document use in daemons
516 * Fix: get_wait_shm() ust mutex deadlock (add 2 missing exit calls)
517 * Fix: get_wait_shm() ust mutex deadlock
518 * Fix: add events with 0 field to field list
519
520 2012-09-10 lttng-ust 2.1.0-rc1
521 * Fix make dist: fix liblttng-ust-java dependencies
522 * Fix make dist: add missing filter header
523 * Fix: backward compatibility with UST 2.0 app probes
524 * Fix: Filter ABI changes to support FILTER_BYTECODE_MAX_LEN (65536)
525 * Export "written" information about fields
526 * Fix filter: pointer to string, not string, should be on stack
527 * Fix: tracepoint float nowrite
528 * Fix: accept 65536 bytes long bytecodes
529 * Add hostname to env
530 * ABI change: bump internal version to 3.0.0
531 * Fix: threads should be created in DETACHED state
532 * Fix: 32-bit x86 strict-aliasing warnings
533 * Fix UST SIGPIPE handling
534 * Fix: Libtool fails to find dependent libraries when cross-compiling lttng-ust
535 * Cleanup: filter: turn bytecode linking error msg into debug
536 * Make lttng-ust robust against -finstrument-functions.
537 * Filter: keep aliased ax and bx registers
538 * Filter: remove interpreter dynamic typing
539 * Filter: add missing specialized op names
540 * Filter: specialize double-s64 binary comparators
541 * Fix filter: fix stack leak on taken branch
542 * Filter: Implement stack-based interpreter
543 * Filter: double comparator produces s64
544 * Filter: use hash table to check merge points
545 * Filter: split passes into separate components
546 * Filter: cleanup macros
547 * Filter: validate range overflow with end of insn
548 * Filter: validate that field ref strings are non-NULL
549 * Filter: ensure logical operator merge is always s64
550 * Filter: we don't care if double/s64 are literals
551 * Filter: specialize 'and' and 'or' ops.
552 * Implement dispatch-table based interpretor
553 * Filter: Specialize unary operators
554 * Define switch use as macro in interpreter
555 * Filter interpreter: mark float test as unlikely
556 * Filter: fix bytecode validation typo
557 * Filter: specialize comparators
558 * Specialize load and unary ops
559 * Validate registers, no need to initialize to 0
560 * Filter: opcode for ref loads
561 * Remove redundant validation from interpreter
562 * filter: Add bytecode validation pass
563 * TRACEPOINT_EVENT: add *_nowrite fields for filter
564 * Only print filter errors if LTTNG_UST_DEBUG is set
565 * Cleanup: remove debug define
566 * Filter: add floating point support
567 * Remove filter test printouts
568 * Implement filter bytecode interpreter and linker
569 * Filter: receive, attach and link empty filter
570 * Filter: prepare filter stack data
571 * Wrap dynamic len array into stackvar union
572 * liblttng-ust-comm/lttng-ust-com.c: remove unnecessary goto in ustcomm_accept_unix_sock()
573 * liblttng-ust/lttng-ust-comm.c: fixing typo.
574 * Fix: remove unused texinfo dep from configure.ac
575 * Fix C99 strict compatibility: don't use void * for function pointers
576 * Fix c99 compatibility: tp_rcu_dereference_bp() should not use braced-groups within expressions
577 * Revert "Fix c99 compatibility: tp_rcu_dereference_bp() should not use braced-groups within expressions"
578 * Fix c99 compatibility: tp_rcu_dereference_bp() should not use braced-groups within expressions
579 * Fix: perform TLS fixup of nest count outside of UST mutex
580 * Fix: liblttng-ust-fork deadlock
581 * Fix: handle pthread errors
582 * Fix: local apps allowed should disable local (not global) tracing
583 * Fix strict ISO-C compatibility for ust-tracepoint-event.h public header
584 * Fix: support -std=c99 in tracepoint macros
585 * Fix c99 compatibility: use __typeof__ instead of typeof in public headers
586 * hello test: fail on old style definition
587 * Fix: tracepoint.h should not generate old-style definitions
588 * Fix: don't define variables in headers
589 * test "hello": add boolean test
590 * Fix: perform macro expansion on tracepoint signatures
591 * UST check pointer/de-reference order
592 * Fix list field: handle error
593 * Implement event fields listing
594 * Implement field listing command
595 * Fix: Block all signals in listener thread
596 * Add CodingStyle document to tarball
597 * Add coding style document
598 * endian.h: support cygwin
599 * align.h: support cygwin page size
600 * Add cygwin support to libringbuffer getcpu.h
601 * Add "2x int" and "2x long" types to the Java interface
602 * Add Integer and Long tracepoint types to the Java interface
603 * Fix: don't SIGBUS when filesystem is full
604 * tracepoint: include stdio.h for NULL definition
605 * manpage update: document that probes need gcc
606 * Fix: remove # in front on extern "C" {
607 * Cleanup: don't use GNU old-style field designator extension
608 * Fix: remove padding field after variable sized array
609 * Use unsigned long type for events discarded counter
610 * Fix: getcpu build with modern uClibc versions
611 * Fix: lttng-ust.pc needs to specify -ldl
612 * Fix: examples Makefiles should pass $(LIBS) at last
613 * Build a jar for the Java side of the JNI interface
614 * Fix: ustctl need to send the second fd upon error of 1st fd
615 * Fix: Add missing fork test program dependency library
616 * Fix: Make the JNI interface actually work
617 * Merge branch 'dev'
618 * Fix: stringify version description
619
620 2012-03-29 lttng-ust 2.0.1
621 * Use bsd-compatible fcntl for close-on-exec on socket
622 * Fix multi-session wildcard support
623 * Fix event lost count when buffer is full
624 * Remove inappropriate \n from easy-ust sample
625
626 2012-03-20 lttng-ust 2.0.0
627 * First STABLE version
628 * Add version name
629
630 2012-03-20 lttng-ust 2.0.0-rc4
631 * Fix out-of-bound write in ltt-events.c
632 * Document LTTNG_UST_DEBUG_VALGRIND compilation flag
633 * Update COPYING
634 * Add exception handling to lttng-gen-tp io operations
635
636 2012-03-16 lttng-ust 2.0.0-rc3
637 * Fix: sendmsg should retry on EINTR, and use MSG_NOSIGNAL
638 * fix: ustcomm_close_unix_sock should close, not shutdown
639 * Fix: do not print EPIPE perror, as it is an expected error
640 * Ensure that multiplication of clock offset is done on 64-bit
641 * Add 2 missing licenses in deprecated tests
642 * Remove unbuild and unused (deprecated) make_shared_lib test
643 * License text standardization, add missing licenses
644 * Cleanup: remove duplicate check for 0 num_subbuf and subbuf_size
645 * Fix: power of 2 size check should apply to size_t type, not uint32_t
646 * Fix: recvmsg should handle EINTR
647 * Make lttng-gen-tp work on python 2.6
648 * Make lttng-gen-tp executable
649
650 2012-03-02 lttng-ust 2.0.0-rc2
651 * Manpage fixes
652 * Fix: dmesg printout should not print metadata warnings
653 * Fix: use transport name as channel name
654 * Fix: Add signature check in tracepoint activation
655 * Fix: add tracepoint signature at tracepoint definition site
656 * Fix: keep event probe signature, for use by event probe signature check
657 * Fix ABI: add padding to structures shared between UST and consumer
658 * Fix ABI: add padding to tracepoint and ring buffer config public structu
659 * Fix ABI: Adding missing padding in tracepoint event structures
660 * Fix: Add include/lttng/ust-config.h to git ignore
661 * Fix effect: update README about dlopen()
662 * Fix: fixup vtid TLS
663 * Fix: fixup ringbuffer tls at constructor by forcing read
664 * Fix: fix deadlock with dlopen() lttng-ust
665 * Fix: only print event errors every 1048576 hits
666 * Fix: add missing debug printout to identify the cause of lost events
667 * fix: liblttng-ust-ctl should check for incorrect parameters
668 * fix: ust comm error handling segfault
669 * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_
670 * fix: on exit, leave thread/mmap reclaim to OS
671 * fix: Handle sys_futex with async cancel, add missing pthread_join
672 * fix: Only munmap the wait page when not exiting from process
673 * Use CPPFLAGS instead of CFLAGS for -I
674 * Fix type range comparison always false for 64-bit arch
675 * demo: remove useless libs
676 * tests: include missing headers
677 * Add missing limits.h include for NAME_MAX
678
679 2012-02-20 lttng-ust 2.0.0-rc1
680 * Standardize version across toolchain
681 * Fix a typo in gen-tp Makefile
682 * Implement the .o file generation in lttng-gen-tp
683
684 2012-02-16 lttng-ust 1.9.8
685 * Fix comment in tracepoint.h
686 * Add loglevel info to manpage
687 * Remove stale binary file
688 * Add lttng-ust(3)
689 * Add a man page for lttng-gen-tp
690 * Install easy-ust and gen-tp examples in doc/
691 * Create the lttng-gen-tp tools as an helper to generate UST .h and .c files
692 * Add missing #define _GNU_SOURCE for sched_getcpu()
693 * Define _GNU_SOURCE for all implementation files rather than getcpu.h
694 * Add sched_getcpu and sysconf to AC_CHECK_FUNCS
695 * Mark lib_ring_buffer_print_errors unused
696 * Cleanup: remove extra space from easy_ust example
697 * Add missing comma to tracepoint STAP_PROBEV call
698
699 2012-02-13 lttng-ust 1.9.7
700 * liblttng-ust-java: add missing -classpath ./
701 * Only specify that sdt.h provides system integration for now
702 * Add STAP_PROBEV check ton configure.ac
703 * Add sdt.h integration
704 * Remove extern C around probe header
705 * Move lttng/config.h to lttng/ust-config.h, and use LTTNG_UST_ namespace
706 * Add a configure report at the end of the output
707 * Add sdt.h integration option
708 * Set default loglevel in metadata
709 * Fix: LTTng-UST java jni wrapper does not build with OpenJDK
710
711 2012-02-09 lttng-ust 1.9.6
712 * Fix tracepoint.h multiple .o within module/core exec linkage bug
713 * tracepoint: name -> _name to fix possible namespace clash
714 * Add debug printout to tracepoint.c
715 * Rename liblttng-ust-libc to liblttng-ust-libc-wrapper
716 * Update hardcoded loglevel
717 * Add "easy_ust" example
718 * Update gitignore
719 * Zero-initialize struct msghdr
720 * Add environment information
721 * Fix event-specific enabling
722 * Update static lib linking
723 * liblttng-ust-libc: fix linking
724 * liblttng-ust-libc: fix lib dependency
725 * Install README and ChangeLog into system doc
726 * Add hello-static-lib test
727 * Fix static provider linking: introduce TRACEPOINT_PROBE_DYNAMIC_LINKAGE
728 * Fix 32-bit type: allocated len is used
729 * Fix 32-bit type mismatch
730
731 2012-02-02 lttng-ust 1.9.5
732 * UST comm ABI: Add padding, push version to 2.0
733 * Update loglevel names
734 * Implement loglevels as event and wildcard attributes
735 * Update loglevel ABI: only loglevel value/enum is known by UST
736 * Pre-assign fixed loglevels
737 * Remove old (now unused) loglevel control code entirely
738 * Update loglevel selection ABI
739 * Use boot_id as monotonic clock uuid
740 * clock: add clock description to metadata
741 * Properly fix the timekeeping overflow detection
742 * Revert "Fix timestamps for slow-paced event rates"
743 * Revert "Force 64-bit timestamps"
744 * Declare struct lttng_ust_calibrate
745 * Force 64-bit timestamps
746 * demo program: ensure we don't link demo on useless libs
747 * ust comm: Receive second FD even if 1st receive failed
748 * ust consumer: close shm fd after mapping it
749 * Add a comment about which wait fd is closed early by UST.
750 * Remove leftover structure in ust-abi.h
751 * Close stream and channel file descriptors as soon as passed to
752 sessiond
753 * Fix AC_LANG_SOURCE usage: only takes one parameter
754 * Fix timestamps for slow-paced event rates
755 * configure.ac: Use AC_LANG_SOURCE for if else macros
756 * Add execution instructions to the demo test program
757 * Force the building of shared noinst libraries in the demo test
758 program.
759 * Only print the futex perror in debug mode
760
761 2011-12-23 lttng-ust 1.9.4
762 * Split liblttng-ust into liblttng-ust and liblttng-ust-tracepoint libs
763 * Comment the union field (only used in call_rcu scheme)
764
765 2011-12-21 lttng-ust 1.9.3
766 * Fix clock source overflow on 32-bit archs
767 * Remove unused trace_clock_frequency
768 * check for negative wait() return value
769 * Add DBG message when registering a probe
770 * Only show futex warning "perror" in debug mode
771
772 2011-12-14 lttng-ust 1.9.2
773 * Add missing ust_libc.h to Makefile.am
774 * Use DBG instead of WARN for futex_wake workaround message
775 * Make dlopen more robust by using the .0 target for the library
776
777 2011-12-13 lttng-ust 1.9.1
778 * First LTTng-UST 2.0 prerelease.
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