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Version 2.13.8
[lttng-modules.git] / ChangeLog
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d3bcf088
MD		 12023-01-13 (National Sticker Day) LTTng modules 2.13.8
2 * fix: jbd2: use the correct print format
3 * Fix: in_x32_syscall was introduced in v4.7.0
4 * Explicitly skip tracing x32 system calls
5 * fix: kallsyms wrapper on ppc64el
6 * fix: Adjust ranges for RHEL 8.6 kernels
7 * fix: kvm-x86 requires CONFIG_KALLSYMS_ALL
8 * fix: mm/slab_common: drop kmem_alloc & avoid dereferencing fields when not using (v6.1)
9
fbae1b8c
MD		 102022-09-30 (National Day for Truth and Reconciliation) LTTng modules 2.13.7
11 * Fix: handle integer capture page faults as skip field
12
ea8bb288
MD		 132022-09-30 (National Day for Truth and Reconciliation) LTTng modules 2.13.6
14 * Fix: bytecode validator: reject specialized load field/context ref instructions
15 * Fix: bytecode validator: reject specialized load instructions
16 * Fix: honor "user" attribute for array/sequence of user integers
17 * wrapper: powerpc64: fix kernel crash caused by do_get_kallsyms
18 * Fix: event notification: Remove duplicate event enabled check
19 * Fix: event notification capture: validate buffer length
20 * Fix: handle capture page faults as skip field
21 * Fix: event notification capture error handling
22 * Fix: capture_sequence_element_{un,}signed: handle user-space input
23 * Fix: notification capture: handle userspace strings
24 * Implement lttng_msgpack_write_user_str
25 * Fix: bytecode interpreter: LOAD_FIELD: handle user fields
26 * Fix: move "user" attribute from field to type
27 * Introduce lttng_copy_from_user_check_nofault
28 * fix: adjust range v5.10.137 in block probe
29
eb8243c1
MD		 302022-08-19 (National Potato Day) LTTng modules 2.13.5
31 * Fix: incorrect stub prototypes when CONFIG_HAVE_SYSCALL_TRACEPOINTS=n
32 * fix: mm/tracing: add 'accounted' entry into output of allocation tracepoints (v6.0)
33 * fix: block: remove bdevname (v6.0)
34 * fix: fs/jbd2: Fix the documentation of the jbd2_write_superblock() callers (v6.0)
35 * fix: tie compaction probe build to CONFIG_COMPACTION
36 * fix: net: skb: introduce kfree_skb_reason() (v5.15.58..v5.16)
37 * fix: workqueue: Fix type of cpu in trace event (v5.19)
38 * fix: fs: Remove flags parameter from aops->write_begin (v5.19)
39 * fix: mm/page_alloc: fix tracepoint mm_page_alloc_zone_locked() (v5.19)
40
b190b3e8
MD		 412022-06-03 (National Repeat Day) (National Repeat Day) LTTng modules 2.13.4
42 * Fix: event notifier: racy use of last subbuffer record
43 * Fix: bytecode interpreter context_get_index() leaves byte order uninitialized
44 * fix: 'random' tracepoints removed in stable kernels
45 * fix: random: remove unused tracepoints (v5.10, v5.15)
46 * fix: sched/tracing: Append prev_state to tp args instead (v5.18)
47 * fix: mm: compaction: cleanup the compaction trace events (v5.18)
48 * fix: scsi: core: Remove <scsi/scsi_request.h> (v5.18)
49 * fix: kprobes: Use rethook for kretprobe if possible (v5.18)
50 * fix: random: remove unused tracepoints (v5.18)
51 * fix: scsi: block: Remove REQ_OP_WRITE_SAME support (v5.18)
52 * fix: block: remove genhd.h (v5.18)
53 * fix: sched/tracing: Don't re-read p->state when emitting sched_switch event (v5.18)
54 * fix: KVM: x86: Unexport kvm_x86_ops (v5.18)
55 * Fix: do not warn on unknown counter ioctl
56 * Fix: tracepoint event: allow same provider and event name
57 * Fix: compaction migratepages event name
58
cd69bdbd
MD		 592022-03-25 (National Waffle Day) LTTng modules 2.13.3
60 * Document expected ISO8601 time formats in ABI header
61 * Fix: lttng ABI: lttng_counter_ioctl() tainted scalar
62 * Fix: sample discarded events count before reserve
63 * Cleanup: comment alignment in ring buffer config.h
64
a0828ca5
MD		 652022-03-07 (National Cereal Day) LTTng modules 2.13.2
66 * Fix: incorrect in/out direction for syscall exit
67 * fix: net: socket: rename SKB_DROP_REASON_SOCKET_FILTER (v5.17)
68 * fix: net: skb: introduce kfree_skb_reason() (v5.17)
69 * fix: random: rather than entropy_store abstraction, use global (v5.17)
70 * fix: btrfs: pass fs_info to trace_btrfs_transaction_commit (v5.17)
71 * fix: mm: compaction: fix the migration stats in trace_mm_compaction_migratepages() (v5.17)
72 * fix: block: remove the ->rq_disk field in struct request (v5.17)
73 * fix: block: remove GENHD_FL_SUPPRESS_PARTITION_INFO (v5.17)
74 * Copyright ownership transfer
75
8c0aec7e
MD		 762022-01-05 (National Bird Day) LTTng modules 2.13.1
77 * fix: mm: move kvmalloc-related functions to slab.h (v5.16)
78 * fix: block: don't call blk_status_to_errno in blk_update_request (v5.16)
79 * fix: KVM: MMU: change tracepoints arguments to kvm_page_fault (v5.16)
80 * fix: KVM: x86: Get exit_reason as part of kvm_x86_ops.get_exit_info (v5.16)
81 * fix: isystem: delete global -isystem compile option (v5.16)
82 * fix: block: move block-related definitions out of fs.h (v5.16)
83 * Fix: syscall tracing: missing trigger actions
84 * Warn on event registration/unregistration failure
85 * fix: implicit-int error in EXPORT_SYMBOL_GPL
86 * fix: Revert "Makefile: Enable -Wimplicit-fallthrough for Clang" (v5.15)
87 * fix: cpu/hotplug: Remove deprecated CPU-hotplug functions. (v5.15)
88
fbba0d79
MD		 892021-08-02 (Ice Cream Sandwich Day) LTTng modules 2.13.0
90 * No change
91
ddb8c0ef
MD		 922021-07-16 (World Snake Day) LTTng modules 2.13.0-rc3
93 * fix: sched: Change task_struct::state (v5.14)
94 * fix: btrfs: pass btrfs_inode to btrfs_writepage_endio_finish_ordered() (v5.14)
95 * fix: adjust ranges for RHEL 8.4
96
f982b51a
MD		 972021-05-14 (National Dance Like a Chicken Day) LTTng modules 2.13.0-rc2
98 * fix: adjust ranges for RHEL 8.2 and 8.3
99 * Disable x86 error code bitwise enum in default build
100 * Disable mmap bitwise enum in default build
101 * Disable block rwbs bitwise enum in default build
102 * Disable sched_switch bitwise enum in default build
103 * Disable open[at] bitwise enum in default build
104 * Disable fcntl bitwise enum in default build
105 * Disable clone bitwise enum in default build
106 * Add experimental bitwise enum config option
107 * Add defaults to Kconfig options
108 * Cleanup: remove unused EXTCFLAGS from Makefile
109 * Sync `show_inode_state()` macro with upstream stable kernels
110 * Update .gitreview for stable-2.13
111 * Sync `show_inode_state()` macro with Ubuntu 4.15 kernel
112 * fix: block: remove disk_part_iter (v5.12)
113 * Cleanup: lib ring buffer: rename pagecpy local variable
114 * Cleanup: clarify strcpy/strcpy_from_user local variables
115 * Implement ring buffer Pascal string copy
116 * Move alignment into event write callback
117 * Cleanup: disable page fault after access_ok
118 * Fix: increment buffer offset when failing to copy from user-space
119 * Fix: add missing #include for 3.8 kernel
120 * Fix: builtin script referring to old directories
121 * events.h API const-ness
122 * Rename struct lib_ring_buffer* to struct lttng_kernel_ring_buffer*
123 * Rename struct channel to struct lttng_kernel_ring_buffer_channel
124 * Refactoring: struct lttng_channel
125 * Fix: missing #include for 3.8 kernel
126 * Introduce struct lttng_kernel_tracepoint_class, enum probe_desc field
127 * Set probe descriptor field in event descriptor
128 * Split syscall tracepoint generation in their own files
129 * Include `linux/in{,6}.h` closer to where it's used
130 * Group all syscall enums in one compile unit
131 * Include `linux/mman.h` for mmap flag enum
132 * Add `struct trace_syscall_table`
133 * Define `static_assert()` when not defined by kernel
134 * Move event hash tables to private header
135 * Move forward declarations to private header
136 * Move lttng_syscall_filter forward declaration to private header
137 * Split ID tracker into public/private structures
138 * Move id tracker hash node to private header
139 * Split struct lttng_session into public/private structures
140 * Move struct lttng_metadata_stream to private header
141 * Move event notifier and counter structures to private header
142 * Rename struct lib_ring_buffer_ctx to struct lttng_kernel_ring_buffer_ctx
143 * Refactoring: struct lttng_kernel_channel_buffer_ops
144 * Rename lttng_probe_{,un}register to lttng_kernel_probe_{,un}register
145 * Move metadata cache structure to internal header
146 * Move internal APIs to internal header
147 * Move kprobes, uprobes, kretprobes, syscall structures to internal header
148 * Move kprobe, kretprobe, uprobe APIs to internal header
149 * Remove unused TRACEPOINT_HAS_DATA_ARG
150 * Move enabler APIs to internal header
151 * Move bytecode structures to internal header
152 * Remove include of internal header from tracepoint-event-impl.h
153 * Rename struct lttng_probe_ctx to struct lttng_kernel_probe_ctx
154 * Rename struct lttng_bytecode_runtime to struct lttng_kernel_bytecode_runtime
155 * Rename struct lttng_bytecode_node to struct lttng_kernel_bytecode_node
156 * Move context structures and API to internal header
157 * Move enabler structures to internal header
158 * Makefile: add .o wildcard target
159 * Fix: Makefile: generation of specific .i file not working
160 * Fix: refactor preemptible context
161 * Refactoring: context callbacks
162 * Remove event id parameter from event_reserve callback
163 * Refactoring: ring buffer context
164 * sequence and variant types: use previous field for length/tag if NULL
165
2ad5a979
MD		 1662021-04-23 (National Take a Chance (on me ?) Day) LTTng modules 2.13.0-rc1
167 * Set the 2.13 release codename and description
168 * Fix: LTTng-modules ABI ioctl wrong direction
169 * Refactoring: bytecode interpreter
170 * Move probe_ctx argument to align with lttng-ust
171 * Combine event notifier and recorder enable/disable functions
172 * Refactoring: combine probe callbacks
173 * Combine event recorder and notifier destroy
174 * Refactoring: event structures
175 * lttng-probes: Warn of event's and provider's name for mismatch
176 * fix: mm, tracing: kfree event name mismatching with provider kmem (v5.12)
177 * fix: refactor contexts for type description structures
178 * fix: remove 'src/' from modules install path
179 * fix: Adjust ranges for Ubuntu 5.4.0-67 kernel
180 * fix: block: add a disk_uevent helper (v5.12)
181 * Fix: perf counters: uninitialized field
182 * Cleanup: implement dedicated file operations for events and enablers
183 * Namespace LTTng modules ABI with lttng_kernel_abi_ prefix
184 * Refactoring: type description structures
185 * Prefix lttng_enum_desc with lttng_kernel_
186 * Prefix lttng_enum_value and lttng_enum_entry with lttng_kernel_
187 * Introduce internal event header
188 * Cleanup: namespace string encoding
189 * Cleanup: Rename abstract types to lttng_kernel_type
190 * Cleanup: event_notifier -> notify in comments
191 * Fix: event notifier: add missing parameters validation
192 * msgpack: use KERNEL namespace for header protection
193 * Cleanup: lttng_abi_create_event{,_notifier}: use switch/case rather than if
194 * Add entryexit field to kretprobes ABI
195 * Add missing fallthrough comments
196 * No-op instrumentation is unsupported, cleanup fallthrough comments
197 * kretprobes: rename "return" to "exit"
198 * compiler warning cleanup: is_signed_type: compare -1 to 1
199 * Fix: bytecode linker: validate event and field array/sequence encoding
200 * Fix: racy notifier captures update vs traversal
201 * Fix: kretprobe: null ptr deref on session destroy
202 * Fix: bytecode linker: iteration on wrong list head
203 * counters: add coalesce_hits to ABI
204 * fix: mm, tracing: record slab name for kmem_cache_free() (v5.12)
205 * Fix: filter interpreter early-exits on uninitialized value
206 * Fix: memory leaks on event notifier destroy
207 * Fix: memory leaks on event destroy
208 * fix: Adjust ranges for Ubuntu 5.8.0-44 kernel
209 * Fix: do not use bdi_unknown_name symbol
210 * fix: memcg: fix a crash in wb_workfn when a device disappears (5.6)
211 * Fix: writeback: out-of-bound reads
212 * fix: Add one digit to RHEL major release version
213 * fix: Add one digit to SLES minor release version
214 * fix: RT_PATCH_VERSION is close to overflow
215 * fix: cast LTTNG_KERNEL_VERSION/LTTNG_LINUX_VERSION_CODE to uint64_t
216 * fix: double defined LTTNG_KERNEL_VERSION
217 * fix: UTS_UBUNTU_RELEASE_ABI is close to overflow
218 * fix: sublevel version overflow in LINUX_VERSION_CODE
219 * Namespace kernel version macros
220 * aarch64: blacklist gcc prior to 5.1
221 * fix: missing include for 'task_struct' in fdtable.h
222 * Fix: counter-api: always inline counter add function
223 * fix: genirq: Restrict export of irq_to_desc() (v5.11)
224 * fix: block: merge struct block_device and struct hd_struct (v5.11)
225 * fix: kprobes: Remove kretprobe hash (v5.11)
226 * fix: file: Rename fcheck lookup_fd_rcu (v5.11)
227 * fix: block: remove the request_queue argument to the block_bio_remap tracepoint (v5.11)
228 * fix: block: remove the request_queue argument to the block_split tracepoint (v5.11)
229 * fix: block: simplify and extend the block_bio_merge tracepoint class (v5.11)
230 * fix: block: remove the request_queue to argument request based tracepoints (v5.11)
231 * fix: remove floating-point arguments in msgpack
232 * abi: use 0, 1 for counter enumerations
233 * Cleanup: use tabs in abi.h
234 * Bump LTTNG_MODULES_ABI_MINOR_VERSION to 6
235 * Fix: handle default switch case with -EINVAL in lttng-syscalls
236 * fix: use wrapper for hlist_for_each_entry_rcu
237 * fix: asm/barrier.h was introduced in v3.4
238 * Fix: handle default switch case with -EINVAL in __lttng_counter_add
239 * Introduce lttng smp_store_release smp_load_acquire wrappers
240 * fix: include byteorder.h for 'cpu_to_*'
241 * Fix: notifier: use store-release/load-acquire for error counter
242 * Fix: event-notifier: Groups may not have an error counter
243 * Bump LTTNG_KERNEL_EVENT_NOTIFIER_PADDING to 32 bytes
244 * Fix: remove dead code in msgpack.c
245 * Fix: counter: cast UINT*_MAX to 64-bit signed type before negative
246 * Fix: include limits.h wrapper from libcounter
247 * Fix: include kernel.h in wrapper/limits.h
248 * Introduce limits wrapper
249 * Introduce lazy system call event creation
250 * Implement event notifier error counter
251 * Implement lib counter
252 * capture: Replace FIXME by explanation of the limit
253 * Implement capturing payload on event notifier
254 * Fix: comment related to filter bytecode list
255 * Fix: use vmalloc for filter bytecode allocation
256 * Implement enum and sequence capture serialization functions
257 * bytecode: Add `OBJECT_TYPE_{UN,}SIGNED_ENUM` type
258 * Generalize `lttng_enabler_link_bytecode()` bytecode list
259 * Cleanup: rename `_lttng_filter_link_bytecode()` -> `link_bytecode()`
260 * Add `interpreter_funcs` to `lttng_bytecode_runtime`
261 * bytecode: rename `lttng_filter_sync_state()` -> `lttng_bytecode_filter_sync_state()`
262 * Rename filter bytecode types and files
263 * bytecode: generalize `struct lttng_filter_bytecode_node`
264 * Add msgpack implementation for serializing captures
265 * bytecode: allow interpreter to return any type
266 * bytecode: propagate `rev_bo` of element
267 * bytecode: set register type to `REG_PTR` even if not used
268 * Add `lttng_bytecode_interpret_format_output()` for top of stack extraction
269 * bytecode: add `REG_U64` interpreter register type
270 * Fix: filter validator: refuse string and star glob input to bitwise operation
271 * Fix: bytecode: Validate register type for instructions expecting unknown type
272 * Cleanup: Rename filter functions/fields to mention "filter"
273 * Implement event notifiers for syscalls
274 * Fix: syscalls: address of statically allocated element never null
275 * Rename LTTNG_SYSCALL_MATCH_ -> LTTNG_KERNEL_SYSCALL_MATCH_
276 * Allow LTTNG_KERNEL_SYSCALL_{ENTRY, EXIT}
277 * syscalls: extract `lttng_syscall_filter_enable()` for reuse
278 * Cleanup: syscall: remove unused `syscall_name` field
279 * fix: adjust version range for trace_find_free_extent()
280 * Improve the release script
281 * Add release maintainer script
282 * fix: include order for older kernels
283 * fix: tracepoint: Optimize using static_call() (v5.10)
284 * fix: KVM: x86/mmu: Return unique RET_PF_* values if the fault was fixed (v5.10)
285 * fix: kvm: x86/mmu: Add TDP MMU PF handler (v5.10)
286 * fix: KVM: x86: Add intr/vectoring info and error code to kvm_exit tracepoint (v5.10)
287 * fix: ext4: fast commit recovery path (v5.10)
288 * fix: btrfs: make ordered extent tracepoint take btrfs_inode (v5.10)
289 * fix: btrfs: tracepoints: output proper root owner for trace_find_free_extent() (v5.10)
290 * fix: objtool: Rename frame.h -> objtool.h (v5.10)
291 * Revert "Implement event notifiers for syscalls"
292 * Fix: ressource leak in id tracker
293 * Implement event notifiers for syscalls
294 * lttng-syscalls.c: extract function calling actual probe
295 * Namespace syscall code relating to events
296 * Implement event notifiers for uprobes
297 * Namespace uprobe functions relating to events
298 * doc: event notifier on kretprobe is not supported
299 * Implement event notifiers for kprobes
300 * Namespace kprobe functions relating to events
301 * Implement event notifiers for tracepoints
302 * Implement event notifier probes
303 * Fix: event notifier: adapt read iterator state to poll expectations
304 * Fix: event-notifier: do not flush packet if it only contains subbuf header
305 * Implement lttng_event_notifier_group_notif_fops read, poll, open, release ABI
306 * Implement event notifier send notification
307 * Add event notifier and event notifier enabler
308 * Implement event notifier group create
309 * Add token to `struct lttng_kernel_event`
310 * lttng-events: move lttng_transport_find earlier in source file
311 * lib ring buffer: move subbuffer_consume_record into LTTNG_RING_BUFFER_COUNT_EVENTS ifdef
312 * lib ring buffer iterator: introduce lib_ring_buffer_put_current_record
313 * Introduce event notifier lib ring buffer client
314 * lttng_abi_create_stream_fd: expect fd name as parameter
315 * LTTng ring buffer clients: expect void pointer as private data to create channel
316 * lib ring buffer: use irq_work for wakeup by writer
317 * Rename `lttng_event_{get,put}()` to `lttng_event_desc_{get,put}()`
318 * Cleanup: extract function to borrow hashlist bucket
319 * Decouple `struct lttng_event` from filter code
320 * Rename `lttng_create_*_if_missing()` in anticipation of event notifiers
321 * Extract event enabler fields to specialized struct
322 * Docs: explain why unused `lttng_enabler::ctx` is kept around
323 * Rename `enum lttng_enabler_type` to `_format_type`
324 * Test: add signed value and enum for testings of event notifier capture
325 * Cleanup: remove usage of enum in ABI structures
326 * Fix: type mismatch in clone instrumentation
327 * syscalls: Make clone()'s `flags` field a 2 enum struct.
328 * fix: strncpy equals destination size warning
329 * Set version to 2.13-pre
330 * Cleanup: lttng-syscalls: silence warning about uninitialized bitmap variable
331 * Add 'kernel_read' wrapper for kernels < v4.14
332 * fix: Use 'kernel_read' to read from procfs
333 * fix: don't allow userspace copy to read kernel memory
334 * fix: Add a 1MB limit to lttng_strlen_user_inatomic
335 * fix: Adjust ranges for Ubuntu 4.15.0-119 kernel
336 * fix: Adjust ranges for Ubuntu HWE 5.0 kernels
337 * Fix: system call filter table
338 * fix: version ranges for ext4_discard_preallocations and writeback_queue_io
339 * fix: writeback: Fix sync livelock due to b_dirty_time processing (v5.9)
340 * fix: writeback: Drop I_DIRTY_TIME_EXPIRE (v5.9)
341 * fix: removal of [smp_]read_barrier_depends (v5.9)
342 * fix: ext4: indicate via a block bitmap read is prefetched… (v5.9)
343 * fix: ext4: limit the length of per-inode prealloc list (v5.9)
344 * fix: KVM: x86/mmu: Make kvm_mmu_page definition and accessor internal-only (v5.9)
345 * fix: Move mmutrace.h into the mmu/ sub-directory (v5.9)
346 * Namespace all logging statements
347 * Kconfig: fix dependency issue when building in-tree without CONFIG_FTRACE
348 * Fix: mmap enum flags build failures
349 * syscalls: Make mmap()'s fields `prot` and `flags` enums
350 * x86: add error code enum to pagefault tracepoints
351 * Fix: TAINT_UNSAFE_SMP renamed to TAINT_CPU_OUT_OF_SPEC in v3.15
352 * module_load: change `taints` field to `ctf_enum`
353 * Fix: Lock metadata cache on session destroy
354 * Fix: metadata stream leak, missing list removal and locking
355 * Fix: coherent state not changed atomically with metadata written
356 * fix: include module.h for EXPORT_SYMBOL_GPL
357 * fix: __lttng_vmalloc_node_range const caller introduced in v3.6
358 * fix: version range for overflow_callback
359 * fix: global_dirty_limit was introduced in v3.1
360 * fix: wrapper_uprobe_unregister is a void function
361 * fix: prior to v4.0, __vmalloc_node_range had no vm_flags param
362 * fix: vmalloc on v5.8 without KALLSYMS
363 * Detect missing symbols used with kallsyms_lookup at compile time
364 * Add time namespace context
365 * Use exported symbol bdevname() instead of disk_name()
366 * Add git-review config
367 * fix: mm: remove vmalloc_sync_(un)mappings() (v5.8)
368 * Update design document
369 * Add lttng-modules design document
370 * Fix: callstack: initialize nested sequence length field name
371 * Fix: callstack: NULL pointer dereference: length field also need fdata
372 * Fix: callstack context memory corruption
373 * fix: mm/writeback: discard NR_UNSTABLE_NFS, use NR_WRITEBACK (v5.8)
374 * fix: block: remove the error argument to the block_bio_complete (v5.8)
375 * fix: pipe_buf_operations rework (v5.8)
376 * Fix: syscalls: Ignore fcntl cmd specific to 32-bit in 64-bit only config
377 * Fix: Implement RING_BUFFER_GET_NEXT_SUBBUF_METADATA_CHECK
378 * fix: vmalloc_sync_mappings was backported to v5.5.12
379 * Update: Additional kernel ranges for vmalloc_sync_mappings
380 * Update: Use vmalloc_sync_mappings for stable kernels
381 * Fix: Use vmalloc_sync_mappings on kernel 5.6 as well
382 * Cleanup: remove unsupported `ctf_float()` macros
383 * Cleanup: have interpreter functions return _DISCARD instead of 0
384 * Cleanup: bytecode: typo: "s16" -> "u16"
385 * Cleanup: Rename patches.i to patches.h
386 * Cleanup: Move all source files to src/
387 * Cleanup: Move patches.i to include/generated/
388 * Cleanup: Move lttng-modules instrumentation headers
389 * Cleanup: Remove toplevel directory from include search path
390 * Cleanup: Move blacklist/ headers to include/blacklist/
391 * Cleanup: Move wrapper/ headers to include/wrapper/
392 * Cleanup: Move instrumentation/ headers to include/instrumentation/
393 * Cleanup: Remove deprecated TODO file
394 * fix: add missing guid_t type to wrapper
395 * Fix: missing wrapper rename to wrapper_vmalloc_sync_mappings
396 * Cleanup: Move headers from toplevel to include/lttng/
397 * Cleanup: Move headers from probes/ to include/lttng/
398 * Cleanup: Move headers from lib/ to include/lttng/
399 * Cleanup: Move lib/ringbuffer/ headers to include/ringbuffer/
400 * Fix: wrapper random documentation
401 * Update for kernel 5.7: use vmalloc_sync_mappings on kernels >= 5.7
402 * Unbreak LTTng for kernel 5.7
403 * Move lttng wrappers into own module
404 * Introduce lttng_guid_gen wrapper for kernels >= 5.7.0
405 * instrumentation: update x86 kvm instrumentation for kernel >= 5.7.0
406 * instrumentation: update mm_vmscan for kernel >= 5.7.0
407 * filter: bytecode already in the list should go before
408 * tracepoint: Refactor representation of nested types
409 * wrapper/compiler.h: Implement __LTTNG_COMPOUND_LITERAL
410 * Update to SPDX v3.0 identifiers
411 * fix: uaccess wrapper for CentOS >= 4.18.0-147
412 * fix: ext4 instrumentation for CentOS >= 4.18.0-147
413 * fix: signal instrumentation for CentOS >= 4.18.0-147
414 * fix: kvm instrumentation for CentOS >= 4.18.0-147
415 * fix: rcu instrumentation for CentOS >= 4.18.0-80
416 * Fix: update kvm instrumentation for Ubuntu 5.3.0-45
417 * Fix: update kvm instrumentation for Ubuntu 5.3.0-43
418 * Fix: fcntl enum: only emit F_GETOWNER_UIDS for kernels >= 3.6
419 * syscalls: Make the cmd field of fcntl an enum
420 * syscalls: Make the flags and mode fields of open[at] enumerations
421 * Fix: update kvm instrumentation for Ubuntu 4.15.0-92
422 * Record event as soon as one filter evaluates to TRUE
423 * Add UDP and ICMP packet header information to the tracepoint
424 * statedump: introduce file_table_address
425 * Remove kernel version from syscall headers name
426 * Add script to automate the syscall extraction process
427 * Update lttng-syscalls-extractor for v5.6.0
428 * Add a Makefile for the lttng-syscalls-extractor module
429 * Cleanup: Syscall headers scripts shellcheck warnings
430 * Remove lttng-ftrace integration
431 * Remove dependency on kallsyms for splice_to_pipe (kernel 4.2+)
432 * Remove dependency on kallsyms for irq_to_desc (kernel 3.4+)
433 * Remove work-around for signed tracepoint module tainting (kernel 3.15+)
434 * Change integer base to hex for fields representing addresses
435 * Fix: rcu: Fix data-race due to atomic_t copy-by-value (5.5.6, 5.4.22)
436 * fix: y2038: hide timeval/timespec/itimerval/itimerspec types (v5.6)
437 * fix: use timespec64 on kernels that have it
438 * fix: move lttng_close_on_exec to proper wrapper
439 * fix: 'struct timex' removed upstream (v5.6)
440 * Fix: statedump: consistently check task_cred_xxx() return value for NULL
441 * Fix: statedump: check task_active_pid_ns return value for NULL
442 * Fix: lttng-events.c: variable may be used uninitialized
443 * Cleanup: remove trailing white spaces across project
444 * sched: Make the sched_switch task state an enum
445 * block: Make the rwbs field as a bit field enum
446 * fix: workqueue: add worker function to workqueue_execute_end tracepoint (v5.6)
447 * fix: media: v4l2: abstract timeval handling in v4l2_buffer (v5.6)
448 * fix: rcu: Remove kfree_rcu() special casing and lazy-callback (v5.6)
449 * fix: rcu: Fix data-race due to atomic_t copy-by-value (v5.6)
450 * fix: btrfs: make btrfs_ordered_extent naming consistent (v5.6)
451 * fix: KVM: x86: Use gpa_t for cr2/gpa to fix TDP support on 32-bit (v5.6)
452 * fix: proc: decouple proc from VFS with "struct proc_ops" (v5.6)
453
ada81c8b
MD		 4542020-02-05 (National Weatherperson's Day) LTTng modules 2.12.0-rc1
455 * Fix: lttng-syscalls.c: marking wrong syscall probe as unregistered
456 * Version 2.12.0-pre
457 * Bump LTTNG_MODULES_ABI_MINOR_VERSION to 5
458 * fix: use user ns wrapper code in new id trackers
459 * fix: function prototype in wrapper/mm.h
460 * ID tracker: implement vpid/uid/vuid/gid/vgid trackers
461 * lttng-abi: Document ioctl numbers reserved by lttng-abi-old.h
462 * lttng-clear: stop tracing required
463 * sunrpc: introduce lttng_get_clid helper
464 * Fix: sunrpc: use signed integer for client id
465 * Fix: sunrpc: null rpc_clnt dereference in rpc_task_queued tracepoint
466 * Fix: SUNRPC: Fix oops when trace sunrpc_task events in nfs client
467 * fix: ext4: Reserve revoke credits for freed blocks (v5.5)
468 * fix: btrfs: tracepoints: constify all pointers (v5.5)
469 * fix: btrfs block group struct refactor (v5.5)
470 * fix: y2038: itimer: change implementation to timespec64 (v5.5)
471 * Update .gitignore from upstream
472 * Add missing include for kernels between 3.8 and 3.15
473 * Fix: LTTNG_KERNEL_ADD_CALLSITE: Handle unknown event type
474 * net: Add entry/exit tracepoints for all receive paths
475 * statedump: Add thread ID (tid) to interrupt
476 * metadata: Add the product uuid to the 'env' section
477 * Cleanup: statedump process state event pid namespace fields
478 * Add namespaces statedump
479 * Add uid/gid contexts
480 * Add namespace contexts
481 * README.md: Document LTTNG_TRACEPOINT_EVENT
482 * README.md: cleanup formatting for bullet lists
483 * Fix: btrfs: move basic block_group definitions to their own header (v5.4)
484 * Cleanup: Silence gcc fall-through warning
485 * Fix: update sched prev_state instrumentation for upstream kernel
486 * Fix: gcc-9.1 stack frame size warning
487 * Implement ring buffer clear
488 * Make bitfield.h C++-friendly
489 * Introduce LTTNG_KERNEL_SESSION_SET_CREATION_TIME
490 * Add metadata env fields
491 * Introduce LTTNG_KERNEL_SESSION_SET_NAME
492 * Fix: do not use diagnostic pragma when GCC version is lower than 4.6.0
493 * Fix: missing define when not building with gcc
494 * Fix: lttng-tracepoint module notifier should return NOTIFY_OK
495 * Fix: Don't print ring-buffer's records count when it is not used
496 * Fix: do not set quiescent state on channel destroy
497 * Fix: ring_buffer_frontend.c: init read timer with uninitialized flags
498 * Introduce callstack stackwalk implementation header
499 * Prepare callstack common code for stackwalk
500 * Introduce callstack legacy implementation header
501 * fix: random: only read from /dev/random after its pool has received 128 bits (v5.2)
502 * fix: mm: move recent_rotated pages calculation to shrink_inactive_list() (v5.2)
503 * fix: mm/vmscan: simplify trace_reclaim_flags and trace_shrink_flags (v5.2)
504 * fix: mm/vmscan: drop may_writepage and classzone_idx from direct reclaim begin template (v5.2)
505 * fix: timer/trace: Improve timer tracing (v5.2)
506 * Cleanup: bitfields: streamline use of underscores
507 * Silence compiler "always false comparison" warning
508 * Fix: bitfield: shift undefined/implementation defined behaviors
509 * Fix: timestamp_end field should include all events within sub-buffer
510 * Fix: Remove start and number from syscall_get_arguments() args (v5.1)
511 * lttng abi documentation: clarify getter usage requirements
512 * Fix: don't access packet header for stream_id and stream_instance_id getters
513 * Fix: atomic_long_add_unless() returns a boolean
514 * Fix: Revert "KVM: MMU: show mmu_valid_gen..." (v5.1)
515 * Fix: pipe: stop using ->can_merge (v5.1)
516 * Fix: rcu: Remove wrapper definitions for obsolete RCU... (v5.1)
517 * Fix: mm: create the new vm_fault_t type (v5.1)
518 * Fix: extra-version-git.sh redirect stderr to /dev/null
519 * Move timekeeping blacklisting to a header file
520 * Blacklist: kprobe for arm
521 * Cleanup: tp mempool: Remove logically dead code
522 * Fix: btrfs: Remove fsid/metadata_fsid fields from btrfs_info
523 * Fix: SUNRPC: Simplify defining common RPC trace events (v5.0)
524 * Fix: Replace pointer values with task->tk_pid and rpc_clnt->cl_clid
525 * Fix: Remove 'type' argument from access_ok() function (v5.0)
526 * Fix: timer instrumentation for RHEL 7.6
527 * Add missing SPDX license identifiers to uprobes
528 * Drop support for kernels < 3.0 from Makefiles
529 * Drop support for kernels < 3.0 from writeback instrumentation
530 * Drop support for kernels < 3.0 from workqueue instrumentation
531 * Drop support for kernels < 3.0 from skb instrumentation
532 * Drop support for kernels < 3.0 from scsi instrumentation
533 * Drop support for kernels < 3.0 from sched instrumentation
534 * Drop support for kernels < 3.0 from power instrumentation
535 * Drop support for kernels < 3.0 from net instrumentation
536 * Drop support for kernels < 3.0 from module instrumentation
537 * Drop support for kernels < 3.0 from mm_vmscan instrumentation
538 * Drop support for kernels < 3.0 from lock instrumentation
539 * Drop support for kernels < 3.0 from kvm instrumentation
540 * Drop support for kernels < 3.0 from kmem instrumentation
541 * Drop support for kernels < 3.0 from jbd2 instrumentation
542 * Drop support for kernels < 3.0 from irq instrumentation
543 * Drop support for kernels < 3.0 from ext4 instrumentation
544 * Drop support for kernels < 3.0 from block instrumentation
545 * Drop support for kernels < 3.0 from lttng-statedump-impl.c
546 * Drop support for kernels < 3.0 from lttng-kernel-version.h
547 * Drop support for kernels < 3.0 from lttng-events.h
548 * Drop support for kernels < 3.0 from lib
549 * Drop spinlock.h wrapper
550 * Drop kstrtox.h wrapper
551 * Drop uuid.h wrapper
552 * Drop vzalloc.h wrapper
553 * Drop support for kernels < 3.0 from tracepoint.h wrapper
554 * Drop support for kernels < 3.0 from perf.h wrapper
555 * Drop support for kernels < 3.0 from atomic.h wrapper
556 * Drop compat patches for kernels < 2.6.36
557 * Bump minimum kernel version to 3.0
558 * Fix: ext4: adjust reserved cluster count when removing extents (v4.20)
559 * Fix: signal: Remove SEND_SIG_FORCED (v4.20)
560 * Fix: signal: Distinguish between kernel_siginfo and siginfo (v4.20)
561 * statedump cpu topology: introduce LTTNG_HAVE_STATEDUMP_CPU_TOPOLOGY
562 * CPU topology statedump on x86
563 * Fix: update kvm instrumentation for SLES12 SP2 LTSS >= 4.4.121-92.92
564 * Fix: Add missing const to lttng_tracepoint_ptr_deref prototype
565 * Fix: adapt to kernel relative references
566 * Fix: sync event enablers before choosing header type
567 * Fix: implicit declarations caused by buffer size checks.
568 * Prevent allocation of buffers if exceeding available memory
569 * Fix: btrfs instrumentation namespacing
570 * Fix: Convert rcu tracepointis to gp_seq (v4.19)
571 * Fix: tracing: Centralize preemptirq tracepoints (4.19)
572 * Fix: net: expose sk wmem in sock_exceed_buf_limit tracepoint (4.19)
573 * Fix: access migrate_disable field directly
574 * Fix: out of memory error handling
575 * Fix: uprobes: missing break in lttng_event_ioctl()
576 * Fix: ACCESS_ONCE was removed in 4.15, use READ_ONCE instead
577 * Fix: instruction pointer has different names across arch
578 * Fix: build failures when CONFIG_UPROBES is absent
579 * uprobe: Support multiple call sites for the same uprobe event
580 * uprobe: Receive file descriptor from session instead of path to file
581 * uprobe: Mark uprobe event as registered
582 * Add uprobes support
583 * Fix: adjust SLE version ranges to build with SP2 and SP3
584 * Fix: Allow alphanumeric characters in SLE version
585 * Fix: Adjust range for SuSE 4.4.103-92 kernels
586 * Cleanup: move to kernel style SPDX license identifiers
587 * Cleanup: move scripts to subdirectory
588 * Cleanup: modinfo keys
589 * Add extra version information framework
590 * Revert "Add btrfs file item tracepoints"
591 * Fix: btrfs: Remove unnecessary fs_info parameter
592 * Fix: btrfs: use fs_info for btrfs_handle_em_exist tracepoint
593 * Fix: asoc: Remove snd_soc_cache_sync() implementation
594 * Fix: asoc: fix printing jack name
595 * Fix: asoc: Consolidate path trace events
596 * Fix: ASoC level IO tracing removed upstream
597 * Enable userspace callstack contexts only on x86
598 * Prevent re-entrancy in callstack-user context
599 * Callstack context: bump number of entries to 128
600 * Fix: callstack context alignment calculation
601 * Cleanup callstack context
602 * Fix callstack context: write empty sequence if no stack trace
603 * Fix: callstack context: false-sharing, bad memory size allocation
604 * callstack context: use delimiter when stack is incomplete
605 * Cleanup callstack context
606 * Add kernel and user callstack contexts
607 * Assign CPU id before saving the context size
608 * Define max nesting count constant
609 * Compute variable sized context length
610 * Pass arguments for context size computation
611 * Add 9p probe
612 * Update delayed ref tracepoints for v3.12
613 * Add btrfs file item tracepoints
614 * Add btrfs tracepoint for em's EEXIST case
615 * Fix: dyntick field added to trace_rcu_dyntick in v4.16
616 * Fix: BUILD_BUG_ON with compile time constant on < v2.6.38
617 * Fix: lttng filter validator ERANGE error handling
618 * Fix: filter interpreter: use LTTNG_SIZE_MAX
619 * Filter: add FILTER_OP_RETURN_S64 instruction
620 * Perform bitwise ops on unsigned types
621 * Filter: catch shift undefined behavior
622 * Filter: add lshift, rshift, bit not ops
623 * Filter: index array, sequences, implement bitwise binary operators
624 * Fix: pid tracker should track "pgid" for noargs probes
625 * lttng-tp-mempool: perform node-local allocation
626 * Fix: update RCU instrumentation for 4.17
627 * Fix: sunrpc instrumentation for 4.17
628 * Fix: use struct reclaim_stat in mm_vmscan_lru_shrink_inactive for 4.17
629 * Fix: Add gfp_flags arg to mm_vmscan_kswapd_wake for 4.17
630 * Update: kvm instrumentation for ubuntu 4.13.0-38
631 * Fix: update kvm instrumentation for Ubuntu 3.13.0-144
632 * Fix: btrfs instrumentation namespacing
633 * Cleanup: comment about CONFIG_HOTPLUG_CPU ifdef
634 * Fix: do not use CONFIG_HOTPLUG_CPU for the new hotplug API
635 * Fix: update kvm instrumentation for 4.1.50+
636 * Use the memory pool instead of kmalloc
637 * Create a memory pool for temporary tracepoint probes storage
638 * Fix: use proper pid_ns in the process statedump
639 * Fix: add variable quoting to shell scripts
640 * Update: kvm instrumentation for fedora 4.14.13-300
641 * Fix: Add Fedora version macros
642 * Add preemptirq instrumentation
643 * Clean-up: fix stale #endif comments
644 * Command to dump the metadata cache again
645 * Add a new /dev/lttng-logger interface
646 * Fix: update btrfs instrumentation for SuSE 4.4.114-92
647 * Fix: update block instrumentation for SuSE 4.4.114-92
648 * Fix: update rcu instrumentation for v4.16
649 * Fix: update vmscan instrumentation for v4.16
650 * Fix: update timer instrumentation on 4.16 and 4.14-rt
651 * Update kvm instrumentation for debian kernel 4.14.0-3
652 * Fix: network instrumentation protocol enum
653 * Fix: update btrfs instrumentation for SuSE 4.4.103-6
654 * Fix: update block instrumentation for SuSE 4.4.73-5
655 * Fix: global_dirty_limit for kernel v4.2 and up
656 * Fix: network instrumentation handling of corrupted TCP headers
657 * Fix: add missing uaccess.h include from kstrtox.h wrapper
658 * Update: kvm instrumentation for 4.14.14+, 4.9.77+, 4.4.112+
659 * Fix: btrfs_delayed_ref_head was unwired since v3.12
660 * Update kvm instrumentation for debian kernel 4.9.65-3
661 * Fix: debian kernel version parsing
662 * Fix: block instrumentation 4.14+ NULL pointer dereference
663 * Update: kvm instrumentation for 3.16.52 and 3.2.97
664 * Fix: kvm instrumentation for 4.15
665 * Update sock instrumentation for 4.15
666 * Update kvm instrumentation for 4.15
667 * Fix: ACCESS_ONCE() removed in kernel 4.15
668 * Fix: sched instrumentation on stable RT kernels
669 * timer API transition for kernel 4.15
670 * Fix: Don't nest get online cpus
671 * Fix: lttng_channel_syscall_mask() bool use in bitfield
672 * Fix: update kmem instrumentation for kernel 4.15
673 * Fix: lttng_kvmalloc helper NULL pointer OOPS
674
aca13e38
MD		 6752018-09-05 (Be Late for Something Day) LTTng modules 2.11.0-rc1
676 * Fix: uprobes: missing break in lttng_event_ioctl()
677 * Fix: ACCESS_ONCE was removed in 4.15, use READ_ONCE instead
678 * Fix: instruction pointer has different names across arch
679 * Fix: build failures when CONFIG_UPROBES is absent
680 * uprobe: Support multiple call sites for the same uprobe event
681 * uprobe: Receive file descriptor from session instead of path to file
682 * uprobe: Mark uprobe event as registered
683 * Add uprobes support
684 * Fix: adjust SLE version ranges to build with SP2 and SP3
685 * Fix: Allow alphanumeric characters in SLE version
686 * Fix: Adjust range for SuSE 4.4.103-92 kernels
687 * Cleanup: move to kernel style SPDX license identifiers
688 * Cleanup: move scripts to subdirectory
689 * Cleanup: modinfo keys
690 * Add extra version information framework
691 * Revert "Add btrfs file item tracepoints"
692 * Fix: btrfs: Remove unnecessary fs_info parameter
693 * Fix: btrfs: use fs_info for btrfs_handle_em_exist tracepoint
694 * Fix: asoc: Remove snd_soc_cache_sync() implementation
695 * Fix: asoc: fix printing jack name
696 * Fix: asoc: Consolidate path trace events
697 * Fix: ASoC level IO tracing removed upstream
698 * Enable userspace callstack contexts only on x86
699 * Prevent re-entrancy in callstack-user context
700 * Callstack context: bump number of entries to 128
701 * Fix: callstack context alignment calculation
702 * Cleanup callstack context
703 * Fix callstack context: write empty sequence if no stack trace
704 * Fix: callstack context: false-sharing, bad memory size allocation
705 * callstack context: use delimiter when stack is incomplete
706 * Cleanup callstack context
707 * Add kernel and user callstack contexts
708 * Assign CPU id before saving the context size
709 * Define max nesting count constant
710 * Compute variable sized context length
711 * Pass arguments for context size computation
712 * Add 9p probe
713 * Update delayed ref tracepoints for v3.12
714 * Add btrfs file item tracepoints
715 * Add btrfs tracepoint for em's EEXIST case
716 * Fix: dyntick field added to trace_rcu_dyntick in v4.16
717 * Fix: BUILD_BUG_ON with compile time constant on < v2.6.38
718 * Fix: lttng filter validator ERANGE error handling
719 * Fix: filter interpreter: use LTTNG_SIZE_MAX
720 * Filter: add FILTER_OP_RETURN_S64 instruction
721 * Perform bitwise ops on unsigned types
722 * Filter: catch shift undefined behavior
723 * Filter: add lshift, rshift, bit not ops
724 * Filter: index array, sequences, implement bitwise binary operators
725 * Fix: pid tracker should track "pgid" for noargs probes
726 * lttng-tp-mempool: perform node-local allocation
727 * Fix: update RCU instrumentation for 4.17
728 * Fix: sunrpc instrumentation for 4.17
729 * Fix: use struct reclaim_stat in mm_vmscan_lru_shrink_inactive for 4.17
730 * Fix: Add gfp_flags arg to mm_vmscan_kswapd_wake for 4.17
731 * Update: kvm instrumentation for ubuntu 4.13.0-38
732 * Fix: update kvm instrumentation for Ubuntu 3.13.0-144
733 * Fix: btrfs instrumentation namespacing
734 * Cleanup: comment about CONFIG_HOTPLUG_CPU ifdef
735 * Fix: do not use CONFIG_HOTPLUG_CPU for the new hotplug API
736 * Fix: update kvm instrumentation for 4.1.50+
737 * Use the memory pool instead of kmalloc
738 * Create a memory pool for temporary tracepoint probes storage
739 * Fix: use proper pid_ns in the process statedump
740 * Fix: add variable quoting to shell scripts
741 * Update: kvm instrumentation for fedora 4.14.13-300
742 * Fix: Add Fedora version macros
743 * Add preemptirq instrumentation
744 * Clean-up: fix stale #endif comments
745 * Command to dump the metadata cache again
746 * Add a new /dev/lttng-logger interface
747 * Fix: update btrfs instrumentation for SuSE 4.4.114-92
748 * Fix: update block instrumentation for SuSE 4.4.114-92
749 * Fix: update rcu instrumentation for v4.16
750 * Fix: update vmscan instrumentation for v4.16
751 * Fix: update timer instrumentation on 4.16 and 4.14-rt
752 * Update kvm instrumentation for debian kernel 4.14.0-3
753 * Fix: network instrumentation protocol enum
754 * Fix: update btrfs instrumentation for SuSE 4.4.103-6
755 * Fix: update block instrumentation for SuSE 4.4.73-5
756 * Fix: global_dirty_limit for kernel v4.2 and up
757 * Fix: network instrumentation handling of corrupted TCP headers
758 * Fix: add missing uaccess.h include from kstrtox.h wrapper
759 * Update: kvm instrumentation for 4.14.14+, 4.9.77+, 4.4.112+
760 * Fix: btrfs_delayed_ref_head was unwired since v3.12
761 * Update kvm instrumentation for debian kernel 4.9.65-3
762 * Fix: debian kernel version parsing
763 * Fix: block instrumentation 4.14+ NULL pointer dereference
764 * Update: kvm instrumentation for 3.16.52 and 3.2.97
765 * Fix: kvm instrumentation for 4.15
766 * Update sock instrumentation for 4.15
767 * Update kvm instrumentation for 4.15
768 * Fix: ACCESS_ONCE() removed in kernel 4.15
769 * Fix: sched instrumentation on stable RT kernels
770 * timer API transition for kernel 4.15
771 * Fix: Don't nest get online cpus
772 * Fix: lttng_channel_syscall_mask() bool use in bitfield
773 * Fix: update kmem instrumentation for kernel 4.15
774 * Fix: lttng_kvmalloc helper NULL pointer OOPS
775 * Update version to 2.11.0-pre
776 * Fix: lttng-logger get_user_pages_fast error handling
777 * Fix: update block instrumentation for 4.14 kernel
778 * Revert "Fix: update block instrumentation for kernel 4.14"
779 * Fix: version check error in btrfs instrumentation
780 * Fix: update btrfs instrumentation for kernel 4.14
781 * Fix: update writeback instrumentation for kernel 4.14
782 * Fix: update block instrumentation for kernel 4.14
783 * Fix: vmalloc wrapper on kernel < 2.6.38
784 * Fix: vmalloc wrapper on kernel >= 4.12
785 * Add kmalloc failover to vmalloc
786 * Fix: mmap: caches aliased on virtual addresses
787 * Fix: update ext4 instrumentation for kernel 4.13
788 * Fix: Sleeping function called from invalid context
789 * Fix: sched for v4.11.5-rt1
790 * Make vim users life easier
791 * Rename Makefile.ABI.workarounds to Kbuild.common
792 * Fix: handle missing ftrace header on v4.12
793 * Fix: pid tracker should track "pgid"
794 * Cleanup: typo in lttng pid tracker
795 * Fix: Build ftrace probe on kernels prior to 4.12
796 * Fix: update ftrace probe for kernel 4.12
797 * Fix: update block instrumentation for kernel 4.12
798 * Calculate context length outside of retry loop
799 * Fix: Add support for 4.9.27-rt18 kernel
800 * Fix: update btrfs instrumentation for kernel 4.12
801 * Fix: update ringbuffer for kernel 4.12
802 * Fix: update sched instrumentation for kernel 4.12
803 * Fix: ext3 was completely removed from the kernel in v4.3
804 * Fix: NULL pointer dereference of THIS_MODULE with built-in modules
805 * Fix: add "flush empty" ioctl for stream intersection
806 * Revert "Fix: flush empty packets on snapshot channel"
807 * Revert "Fix: don't perform extra flush on metadata channel"
808
a7528254
MD		 8092017-05-05 (International Tuba Day) LTTng modules 2.10.0-rc1
810 * Fix: remove CONFIG_KALLSYMS_ALL warning on clean
811 * Add RING_BUFFER_SNAPSHOT_SAMPLE_POSITIONS command
812 * Fix: Always build vmscan probe
813 * Cleanup: formatting in strutils_star_glob_match explanation
814 * Fix: introduce LTTNG_SIZE_MAX for older kernels
815 * Use SIZE_MAX instead of -1ULL for size_t parameter
816 * filter: use SIZE_MAX for size_t
817 * Fix: out of bound array access in filter code
818 * Add support for star globbing patterns in event names
819 * Filtering: add support for star-only globbing patterns
820 * Add string utilities
821 * lttng-abi.c: cleanup whitespaces
822 * Fix: use of uninitialized ret value in lttng_abi_open_metadata_stream
823 * Fix: kref changes for kernel 4.11
824 * Fix: atomic_add_unless() returns true/false rather than prior value
825 * Fix: timers cputime_t arguments replaced by ull in kernel 4.11
826 * Fix: update scsi instrumentation for kernel 4.11
827 * Fix: changes to the vm_op fault cb prototype in libringbuffer
828 * Fix: update btrfs instrumentation for kernel 4.11
829 * Fix: update mm_vmscan instrumentation for kernel 4.11
830 * Fix: section mismatch warning caused by __exit annotation
831 * socketpair: extend syscall socketpair tracing information
832 * Remove events/mainline unused headers
833 * update event README
834 * Fix: nmi-safe clock on 32-bit systems
835 * Fix: only include linux/cpuhotplug.h for kernels >= 4.10
836 * Fix: 4.10 hotplug adaptation backward compat
837 * Fix: 4.10 btrfs instrumentation update backward compat
838 * Update btrfs instrumentation for 4.10 kernel
839 * Adapt lttng-modules to Linux 4.10 cpu hotplug state machine
840 * btrfs instrumentation: update to 4.10 kernel
841 * timer instrumentation: adapt to ktime_t without union
842 * Add load/unload messages to kernel log
843 * Update version to 2.10.0-pre
844 * Fix: asoc instrumentation for RHEL 7.3
845 * Fix: SCSI instrumentation for SLES12 SP2
846 * Add SUSE Linux Enterprise kernel version tests
847 * Filter code relicensing to MIT license
848 * Add task cpu in process statedump
849 * Performance: add missing unlikely in reserve
850 * Fix: preemptible and migratable context error handling
851 * Fix: bump stable kernel version ranges for clock work-around
852
f8af63a2
MD		 8532016-10-07 (National Frappé Day) LTTng modules 2.9.0-rc1
854 * Fix: i2c: support kernels < 3.15
855 * Fix: show warning for broken clock work-around
856 * Bump minor ABI version
857 * Fix: work-around upstream Linux timekeeping bug
858 * Add support for i2c tracepoints
859 * Cleanup: makefile version checks with single "ge"
860 * Performance: special-case NULL in lttng_strlen_user_inatomic
861 * Fix: lttng_inline_memcpy does not take a __user argument
862 * Performance: implement lttng_inline_memcpy
863 * Performance: cache the backend pages pointer in context
864 * Cleanup: libringbuffer: remove duplicate pointer chasing in slow paths
865 * Performance: Only dereference commit index once
866 * Performance: Mark channel and buffer event disabled check unlikely
867 * Performance: Relax atomicity constraints for crash handling
868 * Performance: mark ring buffer do_copy callers always inline
869 * Performance: mark lib_ring_buffer_write always inline
870 * Kconfig: select TRACEPOINTS when built-in
871 * Performance: disable event counting by default
872 * Fix: handle large number of pages or subbuffers per buffer
873 * Fix: unregister cpu hotplug notifier on buffer alloc error
874 * Fix: sa_family is of type unsigned short
875 * Fix: check for sizeof sa_family to save sa_family in accept and connect
876 * Fix: use printk_once() for wrapper warning messages
877 * Fix: btrfs instrumentation for 4.8 kernel
878 * Fix: update mm_vmscan instrumentation for kernel 4.8
879 * Fix: napi instrumentation for 4.8 kernels
880 * Fix: update block instrumentation to compile on 4.8 kernels
881 * Cleanup: reuse code in accept() and accept4() instrumentation
882 * Add x86-64 override for accept4 syscall
883 * Fix: timer wrapper: support kernels >= 4.8
884 * Performance: split check deliver fast/slow paths
885 * Fix: x86-64 accept instrumentation
886 * Fix: Add support for 4.6.4-rt8 kernel
887 * Fix: update scsi instrumentation for 4.7+ kernels
888 * Fix: Use fs_initcall instead of rootfs_initcall
889 * Fix: Add kernel configuration for lttng clock plugin
890 * Fix: the clock plugin must be initiated before first use of the clock
891 * Fix: tests/Kbuild for older kernels
892 * Cleanup: __dynamic_len_idx set but not used warning
893 * Cleanup: coding style and comments of net.h
894 * net: Add TCP header data to net_* tracepoints
895 * net: Add IPv4/IPv6 header data to net_* tracepoints
896 * Fix: endianness for the container type of enum
897 * enumeration autoincrement: use if/else logic
898 * Cleanup trailing whitespaces
899 * lttng-test probe: test ctf_enum_auto()
900 * Add ctf_enum_auto() for autoincrementing enumeration values
901 * Implement session statedump command
902 * Fix: annotate bytecode interpreter for kernel stack validator
903 * Update version to 2.9.0-pre
904 * Fix: ring buffer: honor switch parameter type in remote switch
905 * Fix: only flush non-metadata channels
906 * Fix: don't perform extra flush on metadata channel
907 * select, poll and epoll_wait overrides on ARM 32-bit
908 * Fix: flush empty packets on snapshot channel
909 * Fix: do not generate packet at destroy after stop
910 * Fix: compat ioctl for flush/get metadata version
911 * Fix: ctf_string() should handle NULL pointers
912 * Fix: portability: no arith on void pointer
913 * Fix: add missing tests/Kbuild
914 * Test clock override plugin
915 * Fix: add modules target to base Makefile
916 * Fix: make clean does not include dot-config
917 * Fix: trigger build error if CONFIG_TRACEPOINTS is not set
918 * Documentation: document that CONFIG_MODULES not required when builtin
919 * Fix: add missing errno include in random wrapper
920 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.16.35
921 * Fix: copy_from_user size when limited allocation
922 * Extract the payload of epoll_wait/epoll_pwait
923 * Extract the payload for epoll_ctl
924 * Extract the FDs and flags from poll and ppoll
925 * Extract the FD sets in select and pselect6
926 * Add ctf_integer_bitfield_type
927 * Implement enumeration type
928 * Implement custom field support
929 * Implement variant type
930 * Implement shadow stack for dynamic len
931 * libringbuffer: implement event too big API
932 * Implement structure, compound array/sequence types
933 * Fix: integer endianness metadata generation
934 * Fix: endianness of integers received by filter
935 * Fix: writeback probe on RHEL >= 3.10.0-327.10.1
936 * Fix: RHEL kernel 3.10.0-327.13.1 compat
937 * Fix: ctf_user_integer should not trigger page fault
938 * Fix: lib_ring_buffer_copy_from_user_inatomic error handling
939 * Add comment describing ioctl number duplication
940 * Fix: remove unused gfpflags.h from btrfs and compaction instrumentation
941 * Fix: Remove dead code from filter interpreter
942 * Fix: x86 kvm mmutrace instrumentation for kernel < 3.6
943 * Fix: mm_vmscan instrumentation: remove unused gfpflags.h include
944 * Fix: use of uninitialized ret value in lttng_abi_create_event
945 * Fix: kmem instrumentation: remove unused gfpflags.h include
946 * Fix: 4.6 kernel: use in_compat_syscall
947 * Fix: use BUG_ON instead of accessing array subscript above array bounds
948 * Fix: Add granularity to RHEL kernel version checks
949
0dca9206
MD		 9502016-03-18 (Awkward Moments Day) LTTng modules 2.8.0-rc1
951 * Bump minor tracer ABI version
952 * Fix: build against out-of-tree kernel build
953 * probes/Kbuild: remove upper level header path
954 * Move leftover relative include paths to system paths
955 * syscall instrumentation: use system headers
956 * tracepoint event instrumentation: use system headers
957 * Use system include path in wrappers
958 * libs: use system include paths
959 * Use system header paths in core implementation files
960 * Use system include paths in root directory headers
961 * Use system include paths in probes
962 * Update gitignore
963 * Use system include paths in lttng-types.h
964 * Use system include paths in lttng-tracepoint-event-impl.h
965 * Use system include path in probes/define_trace.h
966 * Use system include paths in probes/lttng-tracepoint-event-impl.h
967 * Rename probes/lttng-events.h to probes/lttng-tracepoint-event-impl.h
968 * Add makefile directory to include path
969 * Fix: event ctx get size should be after chan ctx
970 * Fix: filter interpreter with userspace strings
971 * Fix: rename kvm x86 TRACE_SYSTEM to avoid name clash
972 * Fix: format address fields as hexadecimal
973 * PowerPC-64 ABIv1: add build error if KALLSYMS_ALL is missing
974 * Fix: system call instrumentation overrides
975 * Fix: page_alloc wrapper incorrect parenthesis
976 * Fix: system call tracing for arm-64 compat !CONFIG_UID16
977 * Fix: add struct user_msghdr forward declaration for older kernels
978 * Cleanup: Remove unused lttng-types module
979 * Fix: add missing versions and init call for page_alloc wrapper
980 * Fix: Define lttng-tracer metadata only once
981 * Fix: Add CONFIG_LTTNG to modules_install target
982 * Fix: Use kbuild env instead of a custom var KERNELDIR
983 * Update clock offset comment
984 * clock offset: print negative value in metadata
985 * Fix: handle negative clock offset
986 * Fix: sched instrumentation for 4.1-rt11
987 * Add RT patch version macros
988 * Expect filter context identifiers starting with $ctx.
989 * ARM64: wire up compat system calls
990 * Add support for arm64 syscalls
991 * Fix: Ubuntu kernel range for block_rq_complete
992 * Fix: Ubuntu kernel range for mm_page_alloc_extfrag
993 * Fix: update vmscan instrumentation for kernel 4.5
994 * Fix: check reference counts for overflow
995 * Fix: RHEL 7.2 scsi instrumentation
996 * Fix: RHEL 7.2 kvm instrumentation
997 * Kconfig: describe both module and in-kernel compilation options
998 * Add comments and indentation to Makefile
999 * Add support for built-in kernel build
1000 * Rename sub makefiles to Kbuild
1001 * Cleanup sub makefiles
1002 * Make goals configurable with CONFIG_LTTNG
1003 * Fix: Use generic raw_irqs_disabled_flags
1004 * Fix: Use MAX_RT_PRIO offset in sched_wakeup_template
1005 * Fix: update sched instrumentation for kernel 4.4.0
1006 * Bump version number for development branch
1007 * Fix: interruptible context: reversed logic
1008 * Contexts for RT debugging
1009 * Fix: instrumentation: v4lv2 missing include
1010 * Fix: header size larger than 256 bytes
1011 * Instrument x86 page faults
1012 * Fix: irq_vectors TRACE_SYSTEM name
1013 * Instrument x86_irq_vectors
1014 * Fix: tracepoint listing misses last loaded probe
1015 * Fix: lttng trace-clock needs to disable preemption
1016 * Tracepoint event: add "TP_code_post()"
1017 * Implement array and sequence bitfields
1018 * Fix: kmem: add mm.h include
1019 * Add page frame number (pfn) to kmem page events
1020 * Use pfn rather than struct page in ring buffer array
1021 * Implement clock plugin support
1022 * Command to regenerate the metadata of a session
1023 * Fix: writeback instrumentation update for 4.3 Linux kernel
1024 * Fix: update sched wakeup instrumentation for 4.3 kernel
1025 * Fix: lttng-test build failure for kernels < 3.0
1026 * Use 3.18 syscall instrumentation for MIPS32
1027 * Update the MIPS32 syscall instrumentation to 3.18
1028 * Fix: Move pipe override to the arch specific pointers_override.h
1029 * Implement lttng test module
1030 * Cleanup: remove logically dead code
1031 * Fix: filter validator use after free
1032 * Fix: use after free in channel release
1033 * Fix: non-enabler events should be disabled by default
1034 * Fix: build failure on 2.6.36
1035 * Cleanup: split bdi_dirty_ratelimit with ifdef into separate macros
1036 * Fix: writeback instrumentation for 4.2 kernels
1037 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.18.10
1038 * Add stream instance id to the packet header
1039 * Add a packet sequence number
1040 * Fix: kmem probe with Ubuntu 3.13 kernels
1041 * Fix: disable kvm probe if lapic.h isn't found
1042 * Fix: timer instrumentation for 4.2 kernels
1043 * Fix: ext4 instrumentation for 4.2 kernels
1044 * Fix: kvm instrumentation for 4.2 kernels
1045 * Fix: allow LTTng to be built within kernel tree
1046
10472015-07-15 (Pet Fire Safety Day) LTTng modules 2.7.0-rc1
f3586d94
MD		 1048 * Fix: Building the event list fails on fragmented memory
1049 * Fix: use after free on metadata cache reallocation
1050 * Fix: version checks for kernel 4.0
1051 * Fix: Incorrect Ubuntu kernel patchlevel
1052 * Fix: cpu-id context should use int type
1053 * Implement cpu-id context
1054 * Implement cpu_id context for filtering
1055 * Fix: context printk mismatch on error
1056 * Cleanup: misleading comment about deferrable timer
1057 * Fix: arm-32 build
1058 * Fix: Update kmem event for Ubuntu's 3.16 kernel
1059 * Fix: RHEL 7.1 block instrumentation
1060 * Fix: add RHEL version macros
1061 * Fix: add missing parenthesis in ubuntu version check
1062 * Fix: remove regmap instrumentation for kernels < 4.1
1063 * Fix: Update kmem event for recent Ubuntu kernel
1064 * Fix: missing statedump end event when block device listing available
1065 * Fix: don't generate incorrect macros for debian/ubuntu version check
1066 * Revert "Fix: build against Ubuntu kernels"
1067 * Fix: build against Ubuntu kernels
1068 * Add namespace info in sched_fork and statedump
1069 * Fix: ext4 instrumentation: flags parameter did not exist prior to 3.11
1070 * Fix: printk instrumentation: remove "condition" tracepoints
1071 * Fix: regmap build against kernel 4.0 kernel headers
1072 * Add mmu_valid_gen field to mmutrace events
1073 * Fix: add missing x86 mmutrace kernel header include
1074 * Fix: x86 mmutrace event extra field for kernels >= 3.11
1075 * Fix: remove execute flag from kvm.h file
1076 * Fix: build x86 kvm probes on kernels >= 4.1-rc1
1077 * Fix: compilation on 4.1-rc1 kernel, remove unused WB_WORK_REASON
1078 * Fix: 4.1-rc1 Linux build and regmap instrumentation
1079 * Fix: don't clash with older Debian kernel versions
1080 * Fix: update get_pfnblock_flags_mask wrapper for debian kernels
1081 * Fix: discover Debian API
1082 * Fix: Update README.md to match reality: kernels >= 2.6.36 are supported
1083 * Fix: atomic.h wrapper for kernels < 2.6.37
1084 * Fix: disable x86 kvm instrumentation for kernels < 2.6.38
1085 * Fix: add missing types.h include for older kernels
1086 * Fix: add hlist lttng wrappers
1087 * Fix: add struct file_handle forward declaration
1088 * Fix: string length calculation reversed user vs kernel args
1089 * Fix: use lttng_rcu_dereference within lttng-syscalls.c
1090 * Fix: add lttng rcu wrapper to allow tracing RCU
1091 * Fix: double-unlock of session mutex
1092 * Fix: check that class and instance prototype match
1093 * Fix: lttng-events.h check function takes void
1094 * Fix: regmap instrumentation for Linux 3.19.4 and 4.0
1095 * Fix: kernels >= 2.6.33 put utsrelease.h in generated/
1096 * Fix: Include utsrelease.h in lttng-kernel-version.h
1097 * Fix: ext4 ext4_da_write_pages instrumentation for kernels < 3.11.0
1098 * Fix: old kernels need module.h included before vermagic.h
1099 * Fix: net instrumentation for kernels 2.6.39 and below
1100 * Fix: version condition in makefile
1101 * Implement wrapper around get_pfnblock_flags_mask
1102 * Be more restrictive in provider name check
1103 * Fix: net instrumentation namespacing
1104 * Fix: compaction instrumentation namespacing
1105 * Fix: Support 4.x kernel versions in Makefile
1106 * Fix: remove stale TP_STRUCT_entry from kvm instrumentation
1107 * Fix: add missing module.h include to lttng-probe-user.c
1108 * Fix: use lttng hlist wrapper in wildcard and filter
1109 * Fix: namespace asoc and kmem instrumentation
1110 * Fix: update instrumentation after wildcard rebase
1111 * Fix: lttng_abi_syscall_list does not need to be exported
1112 * Migrate ARM, powerpc, MIPS syscall instrumentation to TP_FIELDS
1113 * Remove now unused syscalls.h from lttng-modules
1114 * Filter: start with enabler "disabled"
1115 * Fix coverity warning about sizeof(void **) != sizeof(void *)
1116 * Fix length type and text sequence base
1117 * Fix: TP_FIELDS: add missing headers
1118 * Migrate syscall instrumentation to TP_FIELDS
1119 * Migrate tracepoint instrumentation to TP_FIELDS
1120 * Implement filtering infrastructure
1121 * syscall wildcards: apply syscall filtering
1122 * Implement syscall wildcard support
1123 * Implement tracepoint wildcard support
1124 * Namespace all tracepoints
1125 * Implement list.h wrapper for hlist in older kernels
1126 * Implement listing of pid tracker content
1127 * Implement PID tracking
1128 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.14.36
1129 * Fix: update writeback instrumentation for kernel 4.0+
1130 * Fix: compaction mm_compaction_isolate_template update for Linux 4.0+
1131 * Fix: kmem instrumentation update for mm_page_alloc_extfrag kernel 3.19.2+
1132 * Fix: kmem instrumentation: mm_page_alloc extfrag change_ownership field
1133 * Fix: missing parenthesis in offset_align_floor
1134 * Fix: implement time.h wrapper for FD_ISSET
1135 * Fix: update sched instrumentation for 3.19+ kernels
1136 * Fix: update rcu instrumentation for 3.19+ kernels
1137 * Fix: update scsi instrumentation for 3.19+ kernels
1138 * Fix: update module instrumentation for 3.19+ kernels
1139 * Fix: Add f_dentry wrapper for 3.19+ kernels
1140 * Fix: introduce lttng_get_unused_fd() wrapper for 3.19 kernels
1141 * Fix: lttng_this_cpu_ptr wrapper for kernel 3.19+
1142 * Fix: Update btrfs instrumentation for 3.18 Linux kernel
1143 * Fix compile error on kernel 3.0.101 with CONFIG_PERF_EVENTS
1144 * Conditional compilation introduced by lttng-modules commit
1145 * Fix: compaction instrumentation update for 3.14.x stable kernels
1146 * Fix: context alignment not properly handled
1147 * Fix compilation on Linux kernel >= 3.18.0
1148 * Fix: build for architectures without HAVE_SYSCALL_TRACEPOINTS
1149
af991434
MD		 11502014-10-20 LTTng modules 2.6.0-rc1
1151 * Expose lttng-modules ABI version ioctl
1152 * Fix: syscall list ioctl number conflict
1153 * lttng-modules: fix build for non-x86
1154 * Fix: syscall listing of session
1155 * Print build warning when writeback probe is disabled
1156 * Add atomic.h wrapper for before/after atomic
1157 * Fix compilation on Ubuntu 14.10
1158 * Fix: export name as text array in writeback
1159 * Cleanup: remove unused trace_clock_read32()
1160 * Use 3.17 ktime_get_mono_fast_ns() new API
1161 * Check for stale version.h files
1162 * Fix: compile lttng_statedump_process_ns on Ubuntu
1163 * Reverse version check logic in lttng_statedump_process_ns
1164 * Fix block_rq_complete TP on Ubuntu kernel
1165 * Introduce macros to check Ubuntu kernel version
1166 * Sync writeback tracepoints from mainline
1167 * Fix: redefinition of DEFINE_WRITEBACK_EVENT
1168 * Fix: hander negative get_syscall_nr return value
1169 * Fix: statedump: close_on_exec flag backward compat
1170 * Fix instrumentation of vmscan for older kernels
1171 * Fix: older kernels (3.2.x) don't undefine TRACE_SYSTEM
1172 * Fix: syscall listing: handle "enable all syscall"
1173 * Fix: don't allow disabling syscalls when none are enabled
1174 * Fix: syscall: fail disable all if all already disabled
1175 * Fix: syscall filtering: NULL pointer deref
1176 * Cleanup: list syscall without syscall_entry prefix
1177 * Fix: syscall_list_show NULL pointer deref
1178 * implement syscall mask getter
1179 * Cleanup: lttng-abi.h coding style
1180 * syscall listing: show syscall ID
1181 * Allow events with same name to be enabled for each channel
1182 * ABI: use enable a syscall ABI field name
1183 * Implement syscall listing
1184 * Fix: tracepoint list anonymous file name
1185 * Fix: syscall filtering: disable all syscalls
1186 * syscall tracing: input/output parameter handling for all arch
1187 * lttng-get-syscall-inout.sh depends on bash
1188 * Fix generate syscall header script: add missing escape char
1189 * syscall instrumentation: handle copy_from_user return value
1190 * Rename LTTng syscall instrumentation macros
1191 * Rename LTTng instrumentation macros
1192 * Extract input/output arguments from accept and connect syscalls
1193 * syscall: extract pipe and pipe2 output args
1194 * Remove sys_ prefix from syscall names
1195 * System call inout/output arg processing
1196 * Update syscall inout table
1197 * Add syscall inout table
1198 * Extract syscall exit ret value on x86 32/64
1199 * Extract system call exit return value
1200 * Syscall filtering: apply to syscall exit
1201 * System call filtering
1202 * asoc.h: fix build with v3.17 kernel
1203 * Fix: lttng-modules teardown NULL pointer OOPS
1204 * Fix: handle concurrent flush vs get_next_subbuf on metadata cache
1205 * Modernize README using Markdown
1206 * Fix: OOT lttng_logger tracepoint not visible with signed kernels
1207 * Add cscope to gitignore
1208 * Update kvm instrumentation: compile on 3.17-rc1
1209 * Update statedump to 3.17 nsproxy locking
1210 * Fix: noargs probes should calculate alignment and event length
1211 * Update compaction instrumentation to 3.16 kernel
1212 * Update vmscan instrumentation to 3.16 kernel
1213
789fd1d0
MD		 12142014-07-16 (Take Your Poet to Work Day) LTTng modules 2.5.0
1215 * (no change)
1216
37cbcd7c
MD		 12172014-06-27 LTTng modules 2.5.0-rc2
1218 * Fix: statedump: check whether "files" is NULL, RCU semantic fix
1219 * Fix: statedump handle oom case, handle errors
1220 * Fix: correct typo in kernel version number
1221 * Fix: blktrace instrumentation for backported branches
1222 * Fix: statedump block devices OOPS
1223
0d979364
MD		 12242014-05-28 (International Hamburger Day) LTTng modules 2.5.0-rc1
1225 * Add TID field to some block_* events
1226 * Fix: refuse overwrite mode buffers with less than two subbuffers
1227 * Fix: lttng modules system call generation script
1228 * Dump FD flags and mode on state dump
1229 * Fix: incorrect rwbs field type in block_bio_queue
1230 * Fix: blktrace instrumentation for v3.2.58+ stable branch
1231 * Fix: pass proper args when writing commit counter
1232 * Cleanup: lib ringbuffer: pagecpy has unsigned semantic
1233 * Fix: allow racy tracepoint string input from kernel and userspace
1234 * Statedump event for block devices
1235 * Fix: update v4l2 instrumentation to 3.15 kernel
1236 * Fix: ext4 update instrumentation to 3.15 kernel
1237 * Fix: update block instrumentation to 3.15 kernel
1238 * Fix: module instrumentation: update to 3.15 kernel
1239 * Adapt to 3.15 tracepoint API
1240 * Kernel 3.15 don't define map unmap for pipe
1241 * Fix: add missing module version in v4l2 probe
1242 * Add V4L2 instrumentation
1243 * Fix: rcu instrumentation: add const qualifier to char pointers
1244 * Fix: add missing module version information
1245 * Use kernel 3.13 syscall tables for MIPS32
1246 * Add MIPS32 syscalls extracted from a 3.13 kernel
1247 * Fix: block instrumentation: < 3.14 don't have bi_iter
1248 * Fix: update btrfs instrumentation to kernel 3.14
1249 * Fix: update block layer instrumentation to kernel 3.14
1250 * Fix: remove __exit annotation
1251 * Fix file permissions for lttng-statedump-impl.c
1252 * LTTng logger ABI
1253
fb2c3779
MD		 12542014-02-28 (Public Sleeping Day) LTTng modules 2.4.0
1255 * Fix: load state dump even if work-around lookup fails
1256 * Cleanup: fix comment
1257 * Fix: correctly version kvm events to build against v3.0 kernel
1258 * Add extraversion (e.g. -rc4) to lttng-tracer modinfo
1259
4be86211
MD		 12602014-02-14 LTTng modules 2.4.0-rc4
1261 * Fix: use after free in ring buffer clients
1262 * Fix: Add statedump exit so module is not permanent
1263 * Cleanup: move callback init to static initialization
1264 * Fix: OOT lttng-statedump tracepoints not visible with signed kernels
1265
00808267
MD		 12662014-01-29 LTTng modules 2.4.0-rc3
1267 * Fix: tracepoint event name mapping at unregister
1268 * Fix: tracepoint name remapping
1269 * Fix: enable event error path memory corruption
1270 * Update kvm instrumentation to Linux 3.13
1271 * Update sched instrumentation to Linux 3.13
1272 * Fix: provide more precise error report for enable event
1273 * Fix: quote event name in metadata
1274 * Add version info to lttng-tracer.ko modinfo
1275
0aa12233
MD		 12762013-12-10 LTTng modules 2.4.0-rc2
1277 * Fix: client_packet_header() uses wrong packet
1278 * Cleanup: fix typo in ring buffer backend comment
1279 * Fix: handle unknown event type parameter
1280 * Fix: eliminate timestamp overlap between packets
1281 * gcc blacklist: only apply when building with gcc
1282 * Blacklist ARM gcc 4.8.0, 4.8.1, 4.8.2
1283
223ca7c5
MD		 12842013-11-15 LTTng modules 2.4.0-rc1
1285 * Update ext4 instrumentation to Linux 3.12
1286 * Update RCU instrumentation to Linux 3.12
1287 * Update btrfs instrumentation to 3.12 kernel
1288 * Update vmscan instrumentation to Linux 3.12
1289 * update: kmem instrumentation 3.12 kernel support
1290 * lttng-statedump-impl: Use generic hard irqs for Linux >= 3.12
1291 * lttng-statedump-impl: Fix lttng_list_interrupts for empty implementation
1292 * Import fix from LTSI: 3.4+ RT kernels use CONFIG_PREEMPT_RT_FULL
1293 * Add new tracepoint in KVM
1294 * Blacklist kernels 3.10.13 and 3.11.2
1295 * LTTng trace-clock: shrink kernel blacklist
1296 * Metadata flush writes data from the cache
1297 * Per-stream ioctl to get the current timestamp
1298 * LTTng ringbuffer ABI calls for index generation
1299 * Prepare LTTng override of ring buffer fops
1300 * Blacklist Linux kernels 3.10+
1301
78c8710b
MD		 13022013-09-03 LTTng modules 2.3.0
1303 * Fix: metadata stream should not reference session
1304 * Fix: btrfs: support 3.11 Linux kernel
1305 * statedump: remove KERN_DEBUG messages
1306 * Fix: ext4: add missing tracepoints for 3.11 kernel
1307 * Fix: ext4: Linux 3.11 support
1308 * Fix: ext3: 3.11 Linux support
1309 * Fix: statedump nsproxy 3.11 Linux support
1310
cf7ae3e6
MD		 13112013-08-30 LTTng modules 2.3.0-rc2
1312 * Fix: metadata lttng channel refcount
1313 * README: lttng-modules incompatible with lttng 0.x patchset
1314
54207845
MD		 13152013-07-17 LTTng modules 2.3.0-rc1
1316 * Fix: kvm x86 probes side-effect
1317 * Fix: allow get/put subbuf in loop for metadata stream
1318 * Add support for kvm x86 specific tracepoints
1319 * Add mainline headers for kvm x86 tracepoints
1320 * Remove old 3.0.4 x86-64 extracted syscall info
1321 * Point the x86-64 overrides to newly extracted 3.10-rc7 files
1322 * Add syscalls extracted files from a 3.10-rc7 kernel
1323 * Improve documentation of the syscall extractor script
1324 * Fix: double length of __dynamic_len array
1325 * Fix printk instrumentation
1326 * Introduce __dynamic_array_enc_ext_2() and tp_memcpy_dyn_2()
1327 * Fix: ring buffer: get_subbuf() checks should be performed on "consumed" parameter
1328 * Fix: SWITCH_FLUSH new sub-buffer checks
1329 * Fix: ring buffer: handle concurrent update in nested buffer wrap around check
1330 * Cleanup: lib_ring_buffer_switch_new_end() only calls subbuffer_set_data_size()
1331 * Revert "Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()"
1332 * Fix: handle writes of length 0
1333 * Fix: ring buffer: RING_BUFFER_FLUSH ioctl buffer corruption
1334 * Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()
1335 * print warning and return -EBUSY on double get_subbuf()
1336 * Add header to fix compilation of syscalls-extractor on 3.9 kernel
1337 * Fix: don't do 0 byte event reservation
1338 * Document that payload size need to be greater than 0
1339 * Fix build and load against linux-2.6.33.x
1340 * Fix: add missing CONFIG_COMPAT around lib_ring_buffer_compat_ioctl
1341 * Metadata cache and multiple metadata channels
1342 * fix block instrumentation probe signature mismatch for 3.9.x kernels
1343 * fix: block instrumentation: NULL pointer dereference
1344 * Update rcu instrumentation to 3.9.[0-4]
1345 * Fix CPU hotplug section mismatches
1346 * Add system calls definitions for powerpc-32
1347 * Remove bashism in lttng-syscalls-generate-headers.sh
1348 * Update ARM (32 bit) syscall tracepoints to 3.4
1349
88c5f61b
MD		 13502013-05-09 LTTng modules 2.2.0-rc2
1351 * Remove useless lttng_metadata probe
1352 * Fix: warning kvm_trace_exit_reason redefined for 3.9 kernel
1353 * Fix: 3.9.0 block layer instrumentation build
1354 * Revert "Stop build if CONFIG_TRACEPOINTS is not set"
1355 * Stop build if CONFIG_TRACEPOINTS is not set
1356 * Add comments to endifs.
1357 * Fix: remove ARM set_tls system call override
1358 * Cleanup: arm sys_mmap whitespace
1359 * Clean up using global_dirty_limit wrapper for writeback probe
1360
78062c79
MD		 13612013-03-29 LTTng modules 2.2.0-rc1
1362 * Update README
1363 * Fix: vmscan instrumentation build
1364 * writeback instrumentation: remove duplicated structures
1365 * block: update instrumentation to 3.9 rc kernel
1366 * rcu: update to 3.9 rc kernel instrumentation
1367 * workqueue instrumentation: remove duplicated structures
1368 * Rename odd event names
1369 * Introduce API to remap event names exposed by LTTng
1370 * lttng-module: sched.h: Fix compilation on 3.9 kernel
1371 * Fix Linux 3.8 btrfs probe warning
1372 * Fix Linux 3.8 ext4 probe support
1373 * Fix 3.8 kernel support: namespace lttng_is_signed_type()
1374 * Fix: don't flush-final for offset 0 if reader is on sub-buffer
1375 * instrumentation sched: add missing fork pid info
1376 * Fix check in lttng_strlen_user_inatomic
1377 * instrumentation: sync with Linux commit a1ce392
1378 * Fix: statedump: missing locking, use lttng_iterate_fd
1379 * Implement lttng_iterate_fd wrapper
1380 * Instrumentation cleanup: kmem events should print hex pointers
1381 * Fix compilation of ext4 and btrfs tracepoints on 2.6.40 kernels
1382 * Fix: statedump hang/too early completion due to logic error
1383 * Fix: statedump hang due to incorrect wait/wakeup use
1384 * put_ulong calls in lib_ring_buffer_compat_ioctl() should be compat
1385 * wrapper/perf.h: Fix kernel version condition
1386 * Add new kernel probes instrumentation
1387 * Update kernel probes to more detailed match to kernel versions
1388 * Fix possible kernel build errors with linux-patches
1389 * Add missing MIT license text to 3 files under this license
1390 * Update sites using kernel version checking macro to new range
1391 * Make upper bound of kernel version checking macro exclusive
1392 * sock instrumentation: fix fields to get referenced values
1393 * ext3 instrumentation: fix of assignment code conversion
1394 * sched instrumentation: rename "pid" fields in sched_process_exec
1395 * Remove remaining semicolons in TP_fast_assign blocks
1396 * Fix compilation for 3.0 kernels that are named 2.6.40
1397 * Fix compilation for 3.0 branch (>= 3.0.39)
1398 * Add kernel version checking macro
1399 * Remove semicolons in TP_fast_assign blocks
1400 * Add ifdefs to net probe to support Linux 2.6.39
1401 * Add kernel probes for supplementary subsystems
1402 * Check if interrupt action name is not null in statedump
1403 * Fix exec instrumentation: only for kernels 3.4.0 and higher
1404 * Add TRACE_EVENT(sched_process_exec) to sched.h
1405 * lib/ringbuffer/frontend_api.h: Include linux/prefetch.h.
1406 * Fix warning with 3.6.0 kernel
1407 * ABI with support for compat 32/64 bits
1408 * Perform calculation on bit size in 64-bit
1409 * Use uint64_t for packet header content size and packet size
1410 * Fix: compat layer only on supported architectures
1411 * Fix ring buffer 32/64 bits compat
1412 * Fix cleanup: move lttng-tracer-core.h include to lib ringbuffer config.h
1413 * Fix ring_buffer_frontend.c: missing include lttng-tracer-core.h
1414 * Fix: statedump missing check for NULL namespace
1415
7cb1d0ee
MD		 14162012-09-10 LTTng modules 2.1.0-rc1
1417 * fix timestamps on architectures without CONFIG_KTIME_SCALAR
1418 * Support for linux kernels 2.6.32 through 2.6.37
1419 * Document limitation of vppid and ppid context wrt eventual RCU instrumentation
1420 * Cleanup: no need to hold RCU read-side lock when reading current nsproxy
1421 * Add env hostname information
1422 * Fix: lttng_statedump_process_state for each PID NS has infinite loop
1423 * lttng_statedump_process_state for each PID NS
1424 * Support the hostname context
1425 * Fix: statedump namespaced pid, tid and ppid
1426 * Fix: statedump: disable vm maps enumeration
1427 * Fix: ensure userspace accesses are done with _inatomic
1428 * Fix: vppid context should test for current nsproxy
1429 * Add MIPS system call support
1430 * Change mode of lttng-syscalls-generate-headers.sh to 755
1431 * cleanup: fix typo in syscall instrumentation header
1432 * Cleanup: remove trailing whitespace in README
1433 * trace event: introduce TP_MODULE_NOAUTOLOAD and TP_MODULE_NOINIT
1434 * LTTng: probe-statedump: add #include <linux/sched.h>
1435 * fix: signal_generate event should print utf8 for comm field
1436 * Makes write operation a parameter for tp_memcpy macro
1437 * Add coding style document
1438 * Update instrumentation/events README file
1439 * Add makefile target for preprocessor
1440 * Fix: free_event_id check should compare unsigned int with -1U
1441 * Use unsigned long type for events discarded counter
1442 * Fix: update signal instrumentation for 3.4 kernel
1443 * LTTng Modules ARM syscall instrumentation
1444 * Fix: generate header missing echo -e for escape chars
1445 * Fix: add missing uaccess.h include (for ARM)
1446 * README: Document that CONFIG_MODULES is required
1447 * Fix: README typo
1448 * Fix: document required and optional kernel config options in README
1449
d2a9270f
MD		 14502012-03-29 LTTng modules 2.0.1
1451 * Fix: is_compat_task !CONFIG_COMPAT compile error on kernels >= 3.3
1452
14532012-03-20 LTTng modules 2.0.0
730e5783
MD		 1454 * First STABLE version
1455 * Add version name
1456
63be4822
MD		 14572012-03-20 LTTng modules 2.0.0-rc4
1458 * Update README and add version name place-holder
1459
1bca821c
MD		 14602012-03-16 LTTng modules 2.0.0-rc3
1461 * Fix clock offset 32-bit multiplication overflow
1462 * Fix : wrong assign of fd in state dump
1463 * License cleanup, ifdef namespace cleanup
1464 * Fix: ensure power of 2 check handles 64-bit size_t entirely
1465
4d1704b6
MD		 14662012-03-02 LTTng modules 2.0.0-rc2
1467 * Fix: dmesg printout should not print metadata warnings
1468 * Fix: use transport name as channel name
1469 * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_subbuf
1470
f66cbcc8
MD		 14712012-02-20 LTTng modules 2.0.0-rc1
1472 * Standardize version across toolchain
1473 * statedump: Use old macro name for kernel 2.6.38
1474
2646f1db
MD		 14752012-02-16 LTTng modules 2.0-pre15
1476 * Add timer instrumentation
1477 * fix: need to undef mainline define
1478 * fix: Include signal.h instead of irq.h for prototype match check
1479 * Add signal instrumentation
1480
3e8b3fb8
MD		 14812012-02-16 LTTng modules 2.0-pre14
1482 * syscall tracing: sys_getcpu
1483 * Add sys_clone x86 instrumentation
1484 * statedump: fix include circular dep
1485 * Implement state dump
1486
ed5a7a8f
MD		 14872012-02-09 LTTng modules 2.0-pre13
1488 * Update README
1489 * environment: write sysname, release, version, domain to metadata
1490 * Allow open /proc/lttng for read & write
1491
497051bd
MD		 14922012-02-02 LTTng modules 2.0-pre12
1493 * Add x86 32/64 execve syscall instrumentation override
1494 * Remove unused defines
1495 * Add padding to ABI
1496 * Use LTTNG_KERNEL_SYM_NAME_LEN
1497 * Update version to 1.9.9
1498 * Add missing double-quotes to clock uuid
1499 * clock: read bootid as clock monotonic ID
1500 * Fix comment
1501 * Cleanup comment
1502 * clock: output clock description in metadata
1503 * Properly fix the timekeeping overflow detection
1504 * Fix init bug
1505 * rename lib-ring-buffer to lttng-lib-ring-buffer
1506 * Remove #warning
1507 * Mass rename: ltt_*/ltt-* to LTTNG_*/LTTNG-*
1508 * Update TODO
1509 * Update TODO
1510 * Remove debugfs file (keep only proc file)
1511 * Rename lttng-debugfs-abi files to lttng-abi
1512
4d3e89e3
MD		 15132011-12-13 LTTng modules 2.0-pre11
1514 * Fix OOPS caused by reference of config pointer
1515 * Gather detailed info from x86 64 32-bit compat syscall instrumentation
1516 * lttng lib: ring buffer move null pointer check to open
1517 * lttng lib: ring buffer remove duplicate null pointer
1518 * lttng lib: ring buffer: remove stale null-pointer
1519 * lttng wrapper: add missing include to kallsyms wrapper
1520 * lttng: cleanup one-bit signed bitfields
1521 * Add TODO file
1522 * Update symbol name length max size to 256
1523 * Fix last modifications to string_from_user operations
1524 * Document that depmod needs to be executed by hand
1525 * Fix strlen_user fault space reservation
1526 * Fix tp_copy_string_from_user handling of faults
1527 * Disable block layer tracing support for kernels < 2.6.38
1528 * lttng context: perf counter, fix 32-bit vs 64-bit field size bug
1529 * Update trace clock warning to match the current development plan
1530 * ringbuffer: make ring buffer printk less verbose
1531 * Makefile: do not run depmod manually
1532
e2222c2e
MD		 15332011-09-30 LTTng modules 2.0-pre10
1534 * x86-32: override sys_mmap syscall instrumentation
1535 * Fix cast warning
1536
bfb508ed
MD		 15372011-09-29 LTTng modules 2.0-pre9
1538 * x86 32 syscalls: fix !CONFIG_UID16
1539 * Use __string_from_user
1540 * Add __string_from_user
1541 * Rename "comm" context to "procname"
1542 * Fetch "type" name field for mount syscall
1543 * Create common override file for all architectures
1544 * Shrink stack size usage
1545 * Cleanup: remove unused lttng-compat-syscalls.c file
1546 * Support detailed compat syscalls on x86_64
1547 * Fix syscall table
1548 * Add disabled compat syscalls detail (work in progress)
1549 * Add config compat support for detailed x86_32 syscalls
1550 * Handle newer 3.1+ perf API
1551 * Add dummy x86-32 override headers
1552 * Bind x86-32 syscall headers
1553 * Add x86-32 syscall headers
1554 * Add check for KALLSYMS_ALL in syscall extraction script
1555 * Automate string extraction for syscalls
1556 * Automate syscall filename/pathname extraction
1557 * Add exit to ring_buffer_frontend so module is unloadable
1558 * Add sys_open filename (x86_64)
1559 * Add missing memcpy callback
1560 * copy_from_user and memset
1561 * Add missing alignment after header write
1562 * lib ring buffer: add frontend init as module_init
1563 * lib ring buffer frontend: add missing lock initialization
1564 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address (missing file)
1565 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address
1566 * Create override for sys_mmap
1567 * Rename syscalls -> syscall in LTTng ABI
1568 * Use different event name for compat syscalls
1569 * Allow trace syscall table override
1570 * Add dummy override files
1571 * syscall detail: add override capability
1572 * Add pointer pretty-print heuristics
1573 * Add __field_hex
1574 * Rename sys exit errno into ret
1575 * Enable detailed syscalls only for native x86_64
1576 * Use "unknown" for compat syscalls
1577 * Disable x86-64 specific detailed syscalls for now, until we deal with 32-bit compat
1578 * Fix syscall exit
1579 * Fix sys exit
1580 * Only enable detailed syscalls for x86_64 for now
1581 * Merge unknown syscall method with extended detail method
1582 * Add underscore prefix before event names
1583 * Add syscalls pointers detailed syscall tracing
1584 * Use perl for regexp
1585 * Support generation of syscall probes for those with pointers
1586 * Support detailed syscalls with 0 arguments
1587 * detailed syscall tracing (work in progress)
1588 * Expose /proc/lttng file
1589 * Implement detailed syscall event probe
1590 * Disable perf build for < 2.6.33 kernels
1591 * Syscall detail mode: generate syscall table
1592 * block instrumentation: write cmd as hex sequence
1593 * lttng-events TRACE_EVENT generator cleanup
1594 * block layer instrumentation: fix cmd field
1595 * Remove 0 args syscalls for now from type-aware syscall cb generator
1596 * Generate trace syscall table macros
1597 * Put syscall tracing without arg types back in place
1598 * Detailed system call tracing (TRACE_EVENT() generation for integer support)
1599 * lttng events probes: don't clash with "ctx" variable name
1600 * lib ring buffer must take private pointer copy before decrementing refcount
1601
47655e60
MD		 16022011-08-16 LTTng modules 2.0-pre8
1603 * Fix metadata buffer wait/wakeup
1604
99a93317
MD		 16052011-08-12 LTTng modules 2.0-pre7
1606 * Add missing module refcount to lttng_tracepoint_list_fops
1607 * Add license info about lib/ringbuffer/ring_buffer_mmap.c being GPLv2
LTTng 2.0/0.x modules
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