lttng-abi: Document ioctl numbers reserved by lttng-abi-old.h
[lttng-modules.git] / ChangeLog
CommitLineData
a7528254
MD
12017-05-05 (International Tuba Day) LTTng modules 2.10.0-rc1
2 * Fix: remove CONFIG_KALLSYMS_ALL warning on clean
3 * Add RING_BUFFER_SNAPSHOT_SAMPLE_POSITIONS command
4 * Fix: Always build vmscan probe
5 * Cleanup: formatting in strutils_star_glob_match explanation
6 * Fix: introduce LTTNG_SIZE_MAX for older kernels
7 * Use SIZE_MAX instead of -1ULL for size_t parameter
8 * filter: use SIZE_MAX for size_t
9 * Fix: out of bound array access in filter code
10 * Add support for star globbing patterns in event names
11 * Filtering: add support for star-only globbing patterns
12 * Add string utilities
13 * lttng-abi.c: cleanup whitespaces
14 * Fix: use of uninitialized ret value in lttng_abi_open_metadata_stream
15 * Fix: kref changes for kernel 4.11
16 * Fix: atomic_add_unless() returns true/false rather than prior value
17 * Fix: timers cputime_t arguments replaced by ull in kernel 4.11
18 * Fix: update scsi instrumentation for kernel 4.11
19 * Fix: changes to the vm_op fault cb prototype in libringbuffer
20 * Fix: update btrfs instrumentation for kernel 4.11
21 * Fix: update mm_vmscan instrumentation for kernel 4.11
22 * Fix: section mismatch warning caused by __exit annotation
23 * socketpair: extend syscall socketpair tracing information
24 * Remove events/mainline unused headers
25 * update event README
26 * Fix: nmi-safe clock on 32-bit systems
27 * Fix: only include linux/cpuhotplug.h for kernels >= 4.10
28 * Fix: 4.10 hotplug adaptation backward compat
29 * Fix: 4.10 btrfs instrumentation update backward compat
30 * Update btrfs instrumentation for 4.10 kernel
31 * Adapt lttng-modules to Linux 4.10 cpu hotplug state machine
32 * btrfs instrumentation: update to 4.10 kernel
33 * timer instrumentation: adapt to ktime_t without union
34 * Add load/unload messages to kernel log
35 * Update version to 2.10.0-pre
36 * Fix: asoc instrumentation for RHEL 7.3
37 * Fix: SCSI instrumentation for SLES12 SP2
38 * Add SUSE Linux Enterprise kernel version tests
39 * Filter code relicensing to MIT license
40 * Add task cpu in process statedump
41 * Performance: add missing unlikely in reserve
42 * Fix: preemptible and migratable context error handling
43 * Fix: bump stable kernel version ranges for clock work-around
44
f8af63a2
MD
452016-10-07 (National Frappé Day) LTTng modules 2.9.0-rc1
46 * Fix: i2c: support kernels < 3.15
47 * Fix: show warning for broken clock work-around
48 * Bump minor ABI version
49 * Fix: work-around upstream Linux timekeeping bug
50 * Add support for i2c tracepoints
51 * Cleanup: makefile version checks with single "ge"
52 * Performance: special-case NULL in lttng_strlen_user_inatomic
53 * Fix: lttng_inline_memcpy does not take a __user argument
54 * Performance: implement lttng_inline_memcpy
55 * Performance: cache the backend pages pointer in context
56 * Cleanup: libringbuffer: remove duplicate pointer chasing in slow paths
57 * Performance: Only dereference commit index once
58 * Performance: Mark channel and buffer event disabled check unlikely
59 * Performance: Relax atomicity constraints for crash handling
60 * Performance: mark ring buffer do_copy callers always inline
61 * Performance: mark lib_ring_buffer_write always inline
62 * Kconfig: select TRACEPOINTS when built-in
63 * Performance: disable event counting by default
64 * Fix: handle large number of pages or subbuffers per buffer
65 * Fix: unregister cpu hotplug notifier on buffer alloc error
66 * Fix: sa_family is of type unsigned short
67 * Fix: check for sizeof sa_family to save sa_family in accept and connect
68 * Fix: use printk_once() for wrapper warning messages
69 * Fix: btrfs instrumentation for 4.8 kernel
70 * Fix: update mm_vmscan instrumentation for kernel 4.8
71 * Fix: napi instrumentation for 4.8 kernels
72 * Fix: update block instrumentation to compile on 4.8 kernels
73 * Cleanup: reuse code in accept() and accept4() instrumentation
74 * Add x86-64 override for accept4 syscall
75 * Fix: timer wrapper: support kernels >= 4.8
76 * Performance: split check deliver fast/slow paths
77 * Fix: x86-64 accept instrumentation
78 * Fix: Add support for 4.6.4-rt8 kernel
79 * Fix: update scsi instrumentation for 4.7+ kernels
80 * Fix: Use fs_initcall instead of rootfs_initcall
81 * Fix: Add kernel configuration for lttng clock plugin
82 * Fix: the clock plugin must be initiated before first use of the clock
83 * Fix: tests/Kbuild for older kernels
84 * Cleanup: __dynamic_len_idx set but not used warning
85 * Cleanup: coding style and comments of net.h
86 * net: Add TCP header data to net_* tracepoints
87 * net: Add IPv4/IPv6 header data to net_* tracepoints
88 * Fix: endianness for the container type of enum
89 * enumeration autoincrement: use if/else logic
90 * Cleanup trailing whitespaces
91 * lttng-test probe: test ctf_enum_auto()
92 * Add ctf_enum_auto() for autoincrementing enumeration values
93 * Implement session statedump command
94 * Fix: annotate bytecode interpreter for kernel stack validator
95 * Update version to 2.9.0-pre
96 * Fix: ring buffer: honor switch parameter type in remote switch
97 * Fix: only flush non-metadata channels
98 * Fix: don't perform extra flush on metadata channel
99 * select, poll and epoll_wait overrides on ARM 32-bit
100 * Fix: flush empty packets on snapshot channel
101 * Fix: do not generate packet at destroy after stop
102 * Fix: compat ioctl for flush/get metadata version
103 * Fix: ctf_string() should handle NULL pointers
104 * Fix: portability: no arith on void pointer
105 * Fix: add missing tests/Kbuild
106 * Test clock override plugin
107 * Fix: add modules target to base Makefile
108 * Fix: make clean does not include dot-config
109 * Fix: trigger build error if CONFIG_TRACEPOINTS is not set
110 * Documentation: document that CONFIG_MODULES not required when builtin
111 * Fix: add missing errno include in random wrapper
112 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.16.35
113 * Fix: copy_from_user size when limited allocation
114 * Extract the payload of epoll_wait/epoll_pwait
115 * Extract the payload for epoll_ctl
116 * Extract the FDs and flags from poll and ppoll
117 * Extract the FD sets in select and pselect6
118 * Add ctf_integer_bitfield_type
119 * Implement enumeration type
120 * Implement custom field support
121 * Implement variant type
122 * Implement shadow stack for dynamic len
123 * libringbuffer: implement event too big API
124 * Implement structure, compound array/sequence types
125 * Fix: integer endianness metadata generation
126 * Fix: endianness of integers received by filter
127 * Fix: writeback probe on RHEL >= 3.10.0-327.10.1
128 * Fix: RHEL kernel 3.10.0-327.13.1 compat
129 * Fix: ctf_user_integer should not trigger page fault
130 * Fix: lib_ring_buffer_copy_from_user_inatomic error handling
131 * Add comment describing ioctl number duplication
132 * Fix: remove unused gfpflags.h from btrfs and compaction instrumentation
133 * Fix: Remove dead code from filter interpreter
134 * Fix: x86 kvm mmutrace instrumentation for kernel < 3.6
135 * Fix: mm_vmscan instrumentation: remove unused gfpflags.h include
136 * Fix: use of uninitialized ret value in lttng_abi_create_event
137 * Fix: kmem instrumentation: remove unused gfpflags.h include
138 * Fix: 4.6 kernel: use in_compat_syscall
139 * Fix: use BUG_ON instead of accessing array subscript above array bounds
140 * Fix: Add granularity to RHEL kernel version checks
141
0dca9206
MD
1422016-03-18 (Awkward Moments Day) LTTng modules 2.8.0-rc1
143 * Bump minor tracer ABI version
144 * Fix: build against out-of-tree kernel build
145 * probes/Kbuild: remove upper level header path
146 * Move leftover relative include paths to system paths
147 * syscall instrumentation: use system headers
148 * tracepoint event instrumentation: use system headers
149 * Use system include path in wrappers
150 * libs: use system include paths
151 * Use system header paths in core implementation files
152 * Use system include paths in root directory headers
153 * Use system include paths in probes
154 * Update gitignore
155 * Use system include paths in lttng-types.h
156 * Use system include paths in lttng-tracepoint-event-impl.h
157 * Use system include path in probes/define_trace.h
158 * Use system include paths in probes/lttng-tracepoint-event-impl.h
159 * Rename probes/lttng-events.h to probes/lttng-tracepoint-event-impl.h
160 * Add makefile directory to include path
161 * Fix: event ctx get size should be after chan ctx
162 * Fix: filter interpreter with userspace strings
163 * Fix: rename kvm x86 TRACE_SYSTEM to avoid name clash
164 * Fix: format address fields as hexadecimal
165 * PowerPC-64 ABIv1: add build error if KALLSYMS_ALL is missing
166 * Fix: system call instrumentation overrides
167 * Fix: page_alloc wrapper incorrect parenthesis
168 * Fix: system call tracing for arm-64 compat !CONFIG_UID16
169 * Fix: add struct user_msghdr forward declaration for older kernels
170 * Cleanup: Remove unused lttng-types module
171 * Fix: add missing versions and init call for page_alloc wrapper
172 * Fix: Define lttng-tracer metadata only once
173 * Fix: Add CONFIG_LTTNG to modules_install target
174 * Fix: Use kbuild env instead of a custom var KERNELDIR
175 * Update clock offset comment
176 * clock offset: print negative value in metadata
177 * Fix: handle negative clock offset
178 * Fix: sched instrumentation for 4.1-rt11
179 * Add RT patch version macros
180 * Expect filter context identifiers starting with $ctx.
181 * ARM64: wire up compat system calls
182 * Add support for arm64 syscalls
183 * Fix: Ubuntu kernel range for block_rq_complete
184 * Fix: Ubuntu kernel range for mm_page_alloc_extfrag
185 * Fix: update vmscan instrumentation for kernel 4.5
186 * Fix: check reference counts for overflow
187 * Fix: RHEL 7.2 scsi instrumentation
188 * Fix: RHEL 7.2 kvm instrumentation
189 * Kconfig: describe both module and in-kernel compilation options
190 * Add comments and indentation to Makefile
191 * Add support for built-in kernel build
192 * Rename sub makefiles to Kbuild
193 * Cleanup sub makefiles
194 * Make goals configurable with CONFIG_LTTNG
195 * Fix: Use generic raw_irqs_disabled_flags
196 * Fix: Use MAX_RT_PRIO offset in sched_wakeup_template
197 * Fix: update sched instrumentation for kernel 4.4.0
198 * Bump version number for development branch
199 * Fix: interruptible context: reversed logic
200 * Contexts for RT debugging
201 * Fix: instrumentation: v4lv2 missing include
202 * Fix: header size larger than 256 bytes
203 * Instrument x86 page faults
204 * Fix: irq_vectors TRACE_SYSTEM name
205 * Instrument x86_irq_vectors
206 * Fix: tracepoint listing misses last loaded probe
207 * Fix: lttng trace-clock needs to disable preemption
208 * Tracepoint event: add "TP_code_post()"
209 * Implement array and sequence bitfields
210 * Fix: kmem: add mm.h include
211 * Add page frame number (pfn) to kmem page events
212 * Use pfn rather than struct page in ring buffer array
213 * Implement clock plugin support
214 * Command to regenerate the metadata of a session
215 * Fix: writeback instrumentation update for 4.3 Linux kernel
216 * Fix: update sched wakeup instrumentation for 4.3 kernel
217 * Fix: lttng-test build failure for kernels < 3.0
218 * Use 3.18 syscall instrumentation for MIPS32
219 * Update the MIPS32 syscall instrumentation to 3.18
220 * Fix: Move pipe override to the arch specific pointers_override.h
221 * Implement lttng test module
222 * Cleanup: remove logically dead code
223 * Fix: filter validator use after free
224 * Fix: use after free in channel release
225 * Fix: non-enabler events should be disabled by default
226 * Fix: build failure on 2.6.36
227 * Cleanup: split bdi_dirty_ratelimit with ifdef into separate macros
228 * Fix: writeback instrumentation for 4.2 kernels
229 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.18.10
230 * Add stream instance id to the packet header
231 * Add a packet sequence number
232 * Fix: kmem probe with Ubuntu 3.13 kernels
233 * Fix: disable kvm probe if lapic.h isn't found
234 * Fix: timer instrumentation for 4.2 kernels
235 * Fix: ext4 instrumentation for 4.2 kernels
236 * Fix: kvm instrumentation for 4.2 kernels
237 * Fix: allow LTTng to be built within kernel tree
238
2392015-07-15 (Pet Fire Safety Day) LTTng modules 2.7.0-rc1
f3586d94
MD
240 * Fix: Building the event list fails on fragmented memory
241 * Fix: use after free on metadata cache reallocation
242 * Fix: version checks for kernel 4.0
243 * Fix: Incorrect Ubuntu kernel patchlevel
244 * Fix: cpu-id context should use int type
245 * Implement cpu-id context
246 * Implement cpu_id context for filtering
247 * Fix: context printk mismatch on error
248 * Cleanup: misleading comment about deferrable timer
249 * Fix: arm-32 build
250 * Fix: Update kmem event for Ubuntu's 3.16 kernel
251 * Fix: RHEL 7.1 block instrumentation
252 * Fix: add RHEL version macros
253 * Fix: add missing parenthesis in ubuntu version check
254 * Fix: remove regmap instrumentation for kernels < 4.1
255 * Fix: Update kmem event for recent Ubuntu kernel
256 * Fix: missing statedump end event when block device listing available
257 * Fix: don't generate incorrect macros for debian/ubuntu version check
258 * Revert "Fix: build against Ubuntu kernels"
259 * Fix: build against Ubuntu kernels
260 * Add namespace info in sched_fork and statedump
261 * Fix: ext4 instrumentation: flags parameter did not exist prior to 3.11
262 * Fix: printk instrumentation: remove "condition" tracepoints
263 * Fix: regmap build against kernel 4.0 kernel headers
264 * Add mmu_valid_gen field to mmutrace events
265 * Fix: add missing x86 mmutrace kernel header include
266 * Fix: x86 mmutrace event extra field for kernels >= 3.11
267 * Fix: remove execute flag from kvm.h file
268 * Fix: build x86 kvm probes on kernels >= 4.1-rc1
269 * Fix: compilation on 4.1-rc1 kernel, remove unused WB_WORK_REASON
270 * Fix: 4.1-rc1 Linux build and regmap instrumentation
271 * Fix: don't clash with older Debian kernel versions
272 * Fix: update get_pfnblock_flags_mask wrapper for debian kernels
273 * Fix: discover Debian API
274 * Fix: Update README.md to match reality: kernels >= 2.6.36 are supported
275 * Fix: atomic.h wrapper for kernels < 2.6.37
276 * Fix: disable x86 kvm instrumentation for kernels < 2.6.38
277 * Fix: add missing types.h include for older kernels
278 * Fix: add hlist lttng wrappers
279 * Fix: add struct file_handle forward declaration
280 * Fix: string length calculation reversed user vs kernel args
281 * Fix: use lttng_rcu_dereference within lttng-syscalls.c
282 * Fix: add lttng rcu wrapper to allow tracing RCU
283 * Fix: double-unlock of session mutex
284 * Fix: check that class and instance prototype match
285 * Fix: lttng-events.h check function takes void
286 * Fix: regmap instrumentation for Linux 3.19.4 and 4.0
287 * Fix: kernels >= 2.6.33 put utsrelease.h in generated/
288 * Fix: Include utsrelease.h in lttng-kernel-version.h
289 * Fix: ext4 ext4_da_write_pages instrumentation for kernels < 3.11.0
290 * Fix: old kernels need module.h included before vermagic.h
291 * Fix: net instrumentation for kernels 2.6.39 and below
292 * Fix: version condition in makefile
293 * Implement wrapper around get_pfnblock_flags_mask
294 * Be more restrictive in provider name check
295 * Fix: net instrumentation namespacing
296 * Fix: compaction instrumentation namespacing
297 * Fix: Support 4.x kernel versions in Makefile
298 * Fix: remove stale TP_STRUCT_entry from kvm instrumentation
299 * Fix: add missing module.h include to lttng-probe-user.c
300 * Fix: use lttng hlist wrapper in wildcard and filter
301 * Fix: namespace asoc and kmem instrumentation
302 * Fix: update instrumentation after wildcard rebase
303 * Fix: lttng_abi_syscall_list does not need to be exported
304 * Migrate ARM, powerpc, MIPS syscall instrumentation to TP_FIELDS
305 * Remove now unused syscalls.h from lttng-modules
306 * Filter: start with enabler "disabled"
307 * Fix coverity warning about sizeof(void **) != sizeof(void *)
308 * Fix length type and text sequence base
309 * Fix: TP_FIELDS: add missing headers
310 * Migrate syscall instrumentation to TP_FIELDS
311 * Migrate tracepoint instrumentation to TP_FIELDS
312 * Implement filtering infrastructure
313 * syscall wildcards: apply syscall filtering
314 * Implement syscall wildcard support
315 * Implement tracepoint wildcard support
316 * Namespace all tracepoints
317 * Implement list.h wrapper for hlist in older kernels
318 * Implement listing of pid tracker content
319 * Implement PID tracking
320 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.14.36
321 * Fix: update writeback instrumentation for kernel 4.0+
322 * Fix: compaction mm_compaction_isolate_template update for Linux 4.0+
323 * Fix: kmem instrumentation update for mm_page_alloc_extfrag kernel 3.19.2+
324 * Fix: kmem instrumentation: mm_page_alloc extfrag change_ownership field
325 * Fix: missing parenthesis in offset_align_floor
326 * Fix: implement time.h wrapper for FD_ISSET
327 * Fix: update sched instrumentation for 3.19+ kernels
328 * Fix: update rcu instrumentation for 3.19+ kernels
329 * Fix: update scsi instrumentation for 3.19+ kernels
330 * Fix: update module instrumentation for 3.19+ kernels
331 * Fix: Add f_dentry wrapper for 3.19+ kernels
332 * Fix: introduce lttng_get_unused_fd() wrapper for 3.19 kernels
333 * Fix: lttng_this_cpu_ptr wrapper for kernel 3.19+
334 * Fix: Update btrfs instrumentation for 3.18 Linux kernel
335 * Fix compile error on kernel 3.0.101 with CONFIG_PERF_EVENTS
336 * Conditional compilation introduced by lttng-modules commit
337 * Fix: compaction instrumentation update for 3.14.x stable kernels
338 * Fix: context alignment not properly handled
339 * Fix compilation on Linux kernel >= 3.18.0
340 * Fix: build for architectures without HAVE_SYSCALL_TRACEPOINTS
341
af991434
MD
3422014-10-20 LTTng modules 2.6.0-rc1
343 * Expose lttng-modules ABI version ioctl
344 * Fix: syscall list ioctl number conflict
345 * lttng-modules: fix build for non-x86
346 * Fix: syscall listing of session
347 * Print build warning when writeback probe is disabled
348 * Add atomic.h wrapper for before/after atomic
349 * Fix compilation on Ubuntu 14.10
350 * Fix: export name as text array in writeback
351 * Cleanup: remove unused trace_clock_read32()
352 * Use 3.17 ktime_get_mono_fast_ns() new API
353 * Check for stale version.h files
354 * Fix: compile lttng_statedump_process_ns on Ubuntu
355 * Reverse version check logic in lttng_statedump_process_ns
356 * Fix block_rq_complete TP on Ubuntu kernel
357 * Introduce macros to check Ubuntu kernel version
358 * Sync writeback tracepoints from mainline
359 * Fix: redefinition of DEFINE_WRITEBACK_EVENT
360 * Fix: hander negative get_syscall_nr return value
361 * Fix: statedump: close_on_exec flag backward compat
362 * Fix instrumentation of vmscan for older kernels
363 * Fix: older kernels (3.2.x) don't undefine TRACE_SYSTEM
364 * Fix: syscall listing: handle "enable all syscall"
365 * Fix: don't allow disabling syscalls when none are enabled
366 * Fix: syscall: fail disable all if all already disabled
367 * Fix: syscall filtering: NULL pointer deref
368 * Cleanup: list syscall without syscall_entry prefix
369 * Fix: syscall_list_show NULL pointer deref
370 * implement syscall mask getter
371 * Cleanup: lttng-abi.h coding style
372 * syscall listing: show syscall ID
373 * Allow events with same name to be enabled for each channel
374 * ABI: use enable a syscall ABI field name
375 * Implement syscall listing
376 * Fix: tracepoint list anonymous file name
377 * Fix: syscall filtering: disable all syscalls
378 * syscall tracing: input/output parameter handling for all arch
379 * lttng-get-syscall-inout.sh depends on bash
380 * Fix generate syscall header script: add missing escape char
381 * syscall instrumentation: handle copy_from_user return value
382 * Rename LTTng syscall instrumentation macros
383 * Rename LTTng instrumentation macros
384 * Extract input/output arguments from accept and connect syscalls
385 * syscall: extract pipe and pipe2 output args
386 * Remove sys_ prefix from syscall names
387 * System call inout/output arg processing
388 * Update syscall inout table
389 * Add syscall inout table
390 * Extract syscall exit ret value on x86 32/64
391 * Extract system call exit return value
392 * Syscall filtering: apply to syscall exit
393 * System call filtering
394 * asoc.h: fix build with v3.17 kernel
395 * Fix: lttng-modules teardown NULL pointer OOPS
396 * Fix: handle concurrent flush vs get_next_subbuf on metadata cache
397 * Modernize README using Markdown
398 * Fix: OOT lttng_logger tracepoint not visible with signed kernels
399 * Add cscope to gitignore
400 * Update kvm instrumentation: compile on 3.17-rc1
401 * Update statedump to 3.17 nsproxy locking
402 * Fix: noargs probes should calculate alignment and event length
403 * Update compaction instrumentation to 3.16 kernel
404 * Update vmscan instrumentation to 3.16 kernel
405
789fd1d0
MD
4062014-07-16 (Take Your Poet to Work Day) LTTng modules 2.5.0
407 * (no change)
408
37cbcd7c
MD
4092014-06-27 LTTng modules 2.5.0-rc2
410 * Fix: statedump: check whether "files" is NULL, RCU semantic fix
411 * Fix: statedump handle oom case, handle errors
412 * Fix: correct typo in kernel version number
413 * Fix: blktrace instrumentation for backported branches
414 * Fix: statedump block devices OOPS
415
0d979364
MD
4162014-05-28 (International Hamburger Day) LTTng modules 2.5.0-rc1
417 * Add TID field to some block_* events
418 * Fix: refuse overwrite mode buffers with less than two subbuffers
419 * Fix: lttng modules system call generation script
420 * Dump FD flags and mode on state dump
421 * Fix: incorrect rwbs field type in block_bio_queue
422 * Fix: blktrace instrumentation for v3.2.58+ stable branch
423 * Fix: pass proper args when writing commit counter
424 * Cleanup: lib ringbuffer: pagecpy has unsigned semantic
425 * Fix: allow racy tracepoint string input from kernel and userspace
426 * Statedump event for block devices
427 * Fix: update v4l2 instrumentation to 3.15 kernel
428 * Fix: ext4 update instrumentation to 3.15 kernel
429 * Fix: update block instrumentation to 3.15 kernel
430 * Fix: module instrumentation: update to 3.15 kernel
431 * Adapt to 3.15 tracepoint API
432 * Kernel 3.15 don't define map unmap for pipe
433 * Fix: add missing module version in v4l2 probe
434 * Add V4L2 instrumentation
435 * Fix: rcu instrumentation: add const qualifier to char pointers
436 * Fix: add missing module version information
437 * Use kernel 3.13 syscall tables for MIPS32
438 * Add MIPS32 syscalls extracted from a 3.13 kernel
439 * Fix: block instrumentation: < 3.14 don't have bi_iter
440 * Fix: update btrfs instrumentation to kernel 3.14
441 * Fix: update block layer instrumentation to kernel 3.14
442 * Fix: remove __exit annotation
443 * Fix file permissions for lttng-statedump-impl.c
444 * LTTng logger ABI
445
fb2c3779
MD
4462014-02-28 (Public Sleeping Day) LTTng modules 2.4.0
447 * Fix: load state dump even if work-around lookup fails
448 * Cleanup: fix comment
449 * Fix: correctly version kvm events to build against v3.0 kernel
450 * Add extraversion (e.g. -rc4) to lttng-tracer modinfo
451
4be86211
MD
4522014-02-14 LTTng modules 2.4.0-rc4
453 * Fix: use after free in ring buffer clients
454 * Fix: Add statedump exit so module is not permanent
455 * Cleanup: move callback init to static initialization
456 * Fix: OOT lttng-statedump tracepoints not visible with signed kernels
457
00808267
MD
4582014-01-29 LTTng modules 2.4.0-rc3
459 * Fix: tracepoint event name mapping at unregister
460 * Fix: tracepoint name remapping
461 * Fix: enable event error path memory corruption
462 * Update kvm instrumentation to Linux 3.13
463 * Update sched instrumentation to Linux 3.13
464 * Fix: provide more precise error report for enable event
465 * Fix: quote event name in metadata
466 * Add version info to lttng-tracer.ko modinfo
467
0aa12233
MD
4682013-12-10 LTTng modules 2.4.0-rc2
469 * Fix: client_packet_header() uses wrong packet
470 * Cleanup: fix typo in ring buffer backend comment
471 * Fix: handle unknown event type parameter
472 * Fix: eliminate timestamp overlap between packets
473 * gcc blacklist: only apply when building with gcc
474 * Blacklist ARM gcc 4.8.0, 4.8.1, 4.8.2
475
223ca7c5
MD
4762013-11-15 LTTng modules 2.4.0-rc1
477 * Update ext4 instrumentation to Linux 3.12
478 * Update RCU instrumentation to Linux 3.12
479 * Update btrfs instrumentation to 3.12 kernel
480 * Update vmscan instrumentation to Linux 3.12
481 * update: kmem instrumentation 3.12 kernel support
482 * lttng-statedump-impl: Use generic hard irqs for Linux >= 3.12
483 * lttng-statedump-impl: Fix lttng_list_interrupts for empty implementation
484 * Import fix from LTSI: 3.4+ RT kernels use CONFIG_PREEMPT_RT_FULL
485 * Add new tracepoint in KVM
486 * Blacklist kernels 3.10.13 and 3.11.2
487 * LTTng trace-clock: shrink kernel blacklist
488 * Metadata flush writes data from the cache
489 * Per-stream ioctl to get the current timestamp
490 * LTTng ringbuffer ABI calls for index generation
491 * Prepare LTTng override of ring buffer fops
492 * Blacklist Linux kernels 3.10+
493
78c8710b
MD
4942013-09-03 LTTng modules 2.3.0
495 * Fix: metadata stream should not reference session
496 * Fix: btrfs: support 3.11 Linux kernel
497 * statedump: remove KERN_DEBUG messages
498 * Fix: ext4: add missing tracepoints for 3.11 kernel
499 * Fix: ext4: Linux 3.11 support
500 * Fix: ext3: 3.11 Linux support
501 * Fix: statedump nsproxy 3.11 Linux support
502
cf7ae3e6
MD
5032013-08-30 LTTng modules 2.3.0-rc2
504 * Fix: metadata lttng channel refcount
505 * README: lttng-modules incompatible with lttng 0.x patchset
506
54207845
MD
5072013-07-17 LTTng modules 2.3.0-rc1
508 * Fix: kvm x86 probes side-effect
509 * Fix: allow get/put subbuf in loop for metadata stream
510 * Add support for kvm x86 specific tracepoints
511 * Add mainline headers for kvm x86 tracepoints
512 * Remove old 3.0.4 x86-64 extracted syscall info
513 * Point the x86-64 overrides to newly extracted 3.10-rc7 files
514 * Add syscalls extracted files from a 3.10-rc7 kernel
515 * Improve documentation of the syscall extractor script
516 * Fix: double length of __dynamic_len array
517 * Fix printk instrumentation
518 * Introduce __dynamic_array_enc_ext_2() and tp_memcpy_dyn_2()
519 * Fix: ring buffer: get_subbuf() checks should be performed on "consumed" parameter
520 * Fix: SWITCH_FLUSH new sub-buffer checks
521 * Fix: ring buffer: handle concurrent update in nested buffer wrap around check
522 * Cleanup: lib_ring_buffer_switch_new_end() only calls subbuffer_set_data_size()
523 * Revert "Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()"
524 * Fix: handle writes of length 0
525 * Fix: ring buffer: RING_BUFFER_FLUSH ioctl buffer corruption
526 * Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()
527 * print warning and return -EBUSY on double get_subbuf()
528 * Add header to fix compilation of syscalls-extractor on 3.9 kernel
529 * Fix: don't do 0 byte event reservation
530 * Document that payload size need to be greater than 0
531 * Fix build and load against linux-2.6.33.x
532 * Fix: add missing CONFIG_COMPAT around lib_ring_buffer_compat_ioctl
533 * Metadata cache and multiple metadata channels
534 * fix block instrumentation probe signature mismatch for 3.9.x kernels
535 * fix: block instrumentation: NULL pointer dereference
536 * Update rcu instrumentation to 3.9.[0-4]
537 * Fix CPU hotplug section mismatches
538 * Add system calls definitions for powerpc-32
539 * Remove bashism in lttng-syscalls-generate-headers.sh
540 * Update ARM (32 bit) syscall tracepoints to 3.4
541
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MD
5422013-05-09 LTTng modules 2.2.0-rc2
543 * Remove useless lttng_metadata probe
544 * Fix: warning kvm_trace_exit_reason redefined for 3.9 kernel
545 * Fix: 3.9.0 block layer instrumentation build
546 * Revert "Stop build if CONFIG_TRACEPOINTS is not set"
547 * Stop build if CONFIG_TRACEPOINTS is not set
548 * Add comments to endifs.
549 * Fix: remove ARM set_tls system call override
550 * Cleanup: arm sys_mmap whitespace
551 * Clean up using global_dirty_limit wrapper for writeback probe
552
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MD
5532013-03-29 LTTng modules 2.2.0-rc1
554 * Update README
555 * Fix: vmscan instrumentation build
556 * writeback instrumentation: remove duplicated structures
557 * block: update instrumentation to 3.9 rc kernel
558 * rcu: update to 3.9 rc kernel instrumentation
559 * workqueue instrumentation: remove duplicated structures
560 * Rename odd event names
561 * Introduce API to remap event names exposed by LTTng
562 * lttng-module: sched.h: Fix compilation on 3.9 kernel
563 * Fix Linux 3.8 btrfs probe warning
564 * Fix Linux 3.8 ext4 probe support
565 * Fix 3.8 kernel support: namespace lttng_is_signed_type()
566 * Fix: don't flush-final for offset 0 if reader is on sub-buffer
567 * instrumentation sched: add missing fork pid info
568 * Fix check in lttng_strlen_user_inatomic
569 * instrumentation: sync with Linux commit a1ce392
570 * Fix: statedump: missing locking, use lttng_iterate_fd
571 * Implement lttng_iterate_fd wrapper
572 * Instrumentation cleanup: kmem events should print hex pointers
573 * Fix compilation of ext4 and btrfs tracepoints on 2.6.40 kernels
574 * Fix: statedump hang/too early completion due to logic error
575 * Fix: statedump hang due to incorrect wait/wakeup use
576 * put_ulong calls in lib_ring_buffer_compat_ioctl() should be compat
577 * wrapper/perf.h: Fix kernel version condition
578 * Add new kernel probes instrumentation
579 * Update kernel probes to more detailed match to kernel versions
580 * Fix possible kernel build errors with linux-patches
581 * Add missing MIT license text to 3 files under this license
582 * Update sites using kernel version checking macro to new range
583 * Make upper bound of kernel version checking macro exclusive
584 * sock instrumentation: fix fields to get referenced values
585 * ext3 instrumentation: fix of assignment code conversion
586 * sched instrumentation: rename "pid" fields in sched_process_exec
587 * Remove remaining semicolons in TP_fast_assign blocks
588 * Fix compilation for 3.0 kernels that are named 2.6.40
589 * Fix compilation for 3.0 branch (>= 3.0.39)
590 * Add kernel version checking macro
591 * Remove semicolons in TP_fast_assign blocks
592 * Add ifdefs to net probe to support Linux 2.6.39
593 * Add kernel probes for supplementary subsystems
594 * Check if interrupt action name is not null in statedump
595 * Fix exec instrumentation: only for kernels 3.4.0 and higher
596 * Add TRACE_EVENT(sched_process_exec) to sched.h
597 * lib/ringbuffer/frontend_api.h: Include linux/prefetch.h.
598 * Fix warning with 3.6.0 kernel
599 * ABI with support for compat 32/64 bits
600 * Perform calculation on bit size in 64-bit
601 * Use uint64_t for packet header content size and packet size
602 * Fix: compat layer only on supported architectures
603 * Fix ring buffer 32/64 bits compat
604 * Fix cleanup: move lttng-tracer-core.h include to lib ringbuffer config.h
605 * Fix ring_buffer_frontend.c: missing include lttng-tracer-core.h
606 * Fix: statedump missing check for NULL namespace
607
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MD
6082012-09-10 LTTng modules 2.1.0-rc1
609 * fix timestamps on architectures without CONFIG_KTIME_SCALAR
610 * Support for linux kernels 2.6.32 through 2.6.37
611 * Document limitation of vppid and ppid context wrt eventual RCU instrumentation
612 * Cleanup: no need to hold RCU read-side lock when reading current nsproxy
613 * Add env hostname information
614 * Fix: lttng_statedump_process_state for each PID NS has infinite loop
615 * lttng_statedump_process_state for each PID NS
616 * Support the hostname context
617 * Fix: statedump namespaced pid, tid and ppid
618 * Fix: statedump: disable vm maps enumeration
619 * Fix: ensure userspace accesses are done with _inatomic
620 * Fix: vppid context should test for current nsproxy
621 * Add MIPS system call support
622 * Change mode of lttng-syscalls-generate-headers.sh to 755
623 * cleanup: fix typo in syscall instrumentation header
624 * Cleanup: remove trailing whitespace in README
625 * trace event: introduce TP_MODULE_NOAUTOLOAD and TP_MODULE_NOINIT
626 * LTTng: probe-statedump: add #include <linux/sched.h>
627 * fix: signal_generate event should print utf8 for comm field
628 * Makes write operation a parameter for tp_memcpy macro
629 * Add coding style document
630 * Update instrumentation/events README file
631 * Add makefile target for preprocessor
632 * Fix: free_event_id check should compare unsigned int with -1U
633 * Use unsigned long type for events discarded counter
634 * Fix: update signal instrumentation for 3.4 kernel
635 * LTTng Modules ARM syscall instrumentation
636 * Fix: generate header missing echo -e for escape chars
637 * Fix: add missing uaccess.h include (for ARM)
638 * README: Document that CONFIG_MODULES is required
639 * Fix: README typo
640 * Fix: document required and optional kernel config options in README
641
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MD
6422012-03-29 LTTng modules 2.0.1
643 * Fix: is_compat_task !CONFIG_COMPAT compile error on kernels >= 3.3
644
6452012-03-20 LTTng modules 2.0.0
730e5783
MD
646 * First STABLE version
647 * Add version name
648
63be4822
MD
6492012-03-20 LTTng modules 2.0.0-rc4
650 * Update README and add version name place-holder
651
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MD
6522012-03-16 LTTng modules 2.0.0-rc3
653 * Fix clock offset 32-bit multiplication overflow
654 * Fix : wrong assign of fd in state dump
655 * License cleanup, ifdef namespace cleanup
656 * Fix: ensure power of 2 check handles 64-bit size_t entirely
657
4d1704b6
MD
6582012-03-02 LTTng modules 2.0.0-rc2
659 * Fix: dmesg printout should not print metadata warnings
660 * Fix: use transport name as channel name
661 * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_subbuf
662
f66cbcc8
MD
6632012-02-20 LTTng modules 2.0.0-rc1
664 * Standardize version across toolchain
665 * statedump: Use old macro name for kernel 2.6.38
666
2646f1db
MD
6672012-02-16 LTTng modules 2.0-pre15
668 * Add timer instrumentation
669 * fix: need to undef mainline define
670 * fix: Include signal.h instead of irq.h for prototype match check
671 * Add signal instrumentation
672
3e8b3fb8
MD
6732012-02-16 LTTng modules 2.0-pre14
674 * syscall tracing: sys_getcpu
675 * Add sys_clone x86 instrumentation
676 * statedump: fix include circular dep
677 * Implement state dump
678
ed5a7a8f
MD
6792012-02-09 LTTng modules 2.0-pre13
680 * Update README
681 * environment: write sysname, release, version, domain to metadata
682 * Allow open /proc/lttng for read & write
683
497051bd
MD
6842012-02-02 LTTng modules 2.0-pre12
685 * Add x86 32/64 execve syscall instrumentation override
686 * Remove unused defines
687 * Add padding to ABI
688 * Use LTTNG_KERNEL_SYM_NAME_LEN
689 * Update version to 1.9.9
690 * Add missing double-quotes to clock uuid
691 * clock: read bootid as clock monotonic ID
692 * Fix comment
693 * Cleanup comment
694 * clock: output clock description in metadata
695 * Properly fix the timekeeping overflow detection
696 * Fix init bug
697 * rename lib-ring-buffer to lttng-lib-ring-buffer
698 * Remove #warning
699 * Mass rename: ltt_*/ltt-* to LTTNG_*/LTTNG-*
700 * Update TODO
701 * Update TODO
702 * Remove debugfs file (keep only proc file)
703 * Rename lttng-debugfs-abi files to lttng-abi
704
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MD
7052011-12-13 LTTng modules 2.0-pre11
706 * Fix OOPS caused by reference of config pointer
707 * Gather detailed info from x86 64 32-bit compat syscall instrumentation
708 * lttng lib: ring buffer move null pointer check to open
709 * lttng lib: ring buffer remove duplicate null pointer
710 * lttng lib: ring buffer: remove stale null-pointer
711 * lttng wrapper: add missing include to kallsyms wrapper
712 * lttng: cleanup one-bit signed bitfields
713 * Add TODO file
714 * Update symbol name length max size to 256
715 * Fix last modifications to string_from_user operations
716 * Document that depmod needs to be executed by hand
717 * Fix strlen_user fault space reservation
718 * Fix tp_copy_string_from_user handling of faults
719 * Disable block layer tracing support for kernels < 2.6.38
720 * lttng context: perf counter, fix 32-bit vs 64-bit field size bug
721 * Update trace clock warning to match the current development plan
722 * ringbuffer: make ring buffer printk less verbose
723 * Makefile: do not run depmod manually
724
e2222c2e
MD
7252011-09-30 LTTng modules 2.0-pre10
726 * x86-32: override sys_mmap syscall instrumentation
727 * Fix cast warning
728
bfb508ed
MD
7292011-09-29 LTTng modules 2.0-pre9
730 * x86 32 syscalls: fix !CONFIG_UID16
731 * Use __string_from_user
732 * Add __string_from_user
733 * Rename "comm" context to "procname"
734 * Fetch "type" name field for mount syscall
735 * Create common override file for all architectures
736 * Shrink stack size usage
737 * Cleanup: remove unused lttng-compat-syscalls.c file
738 * Support detailed compat syscalls on x86_64
739 * Fix syscall table
740 * Add disabled compat syscalls detail (work in progress)
741 * Add config compat support for detailed x86_32 syscalls
742 * Handle newer 3.1+ perf API
743 * Add dummy x86-32 override headers
744 * Bind x86-32 syscall headers
745 * Add x86-32 syscall headers
746 * Add check for KALLSYMS_ALL in syscall extraction script
747 * Automate string extraction for syscalls
748 * Automate syscall filename/pathname extraction
749 * Add exit to ring_buffer_frontend so module is unloadable
750 * Add sys_open filename (x86_64)
751 * Add missing memcpy callback
752 * copy_from_user and memset
753 * Add missing alignment after header write
754 * lib ring buffer: add frontend init as module_init
755 * lib ring buffer frontend: add missing lock initialization
756 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address (missing file)
757 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address
758 * Create override for sys_mmap
759 * Rename syscalls -> syscall in LTTng ABI
760 * Use different event name for compat syscalls
761 * Allow trace syscall table override
762 * Add dummy override files
763 * syscall detail: add override capability
764 * Add pointer pretty-print heuristics
765 * Add __field_hex
766 * Rename sys exit errno into ret
767 * Enable detailed syscalls only for native x86_64
768 * Use "unknown" for compat syscalls
769 * Disable x86-64 specific detailed syscalls for now, until we deal with 32-bit compat
770 * Fix syscall exit
771 * Fix sys exit
772 * Only enable detailed syscalls for x86_64 for now
773 * Merge unknown syscall method with extended detail method
774 * Add underscore prefix before event names
775 * Add syscalls pointers detailed syscall tracing
776 * Use perl for regexp
777 * Support generation of syscall probes for those with pointers
778 * Support detailed syscalls with 0 arguments
779 * detailed syscall tracing (work in progress)
780 * Expose /proc/lttng file
781 * Implement detailed syscall event probe
782 * Disable perf build for < 2.6.33 kernels
783 * Syscall detail mode: generate syscall table
784 * block instrumentation: write cmd as hex sequence
785 * lttng-events TRACE_EVENT generator cleanup
786 * block layer instrumentation: fix cmd field
787 * Remove 0 args syscalls for now from type-aware syscall cb generator
788 * Generate trace syscall table macros
789 * Put syscall tracing without arg types back in place
790 * Detailed system call tracing (TRACE_EVENT() generation for integer support)
791 * lttng events probes: don't clash with "ctx" variable name
792 * lib ring buffer must take private pointer copy before decrementing refcount
793
47655e60
MD
7942011-08-16 LTTng modules 2.0-pre8
795 * Fix metadata buffer wait/wakeup
796
99a93317
MD
7972011-08-12 LTTng modules 2.0-pre7
798 * Add missing module refcount to lttng_tracepoint_list_fops
799 * Add license info about lib/ringbuffer/ring_buffer_mmap.c being GPLv2
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