1 2018-01-30 (National Croissant Day) LTTng modules 2.10.5
2 * Fix: network instrumentation protocol enum
3 * Fix: update btrfs instrumentation for SuSE 4.4.103-6
4 * Fix: update block instrumentation for SuSE 4.4.73-5
5 * Fix: global_dirty_limit for kernel v4.2 and up
6 * Fix: network instrumentation handling of corrupted TCP headers
7 * Fix: add missing uaccess.h include from kstrtox.h wrapper
8 * Update: kvm instrumentation for 4.14.14+, 4.9.77+, 4.4.112+
9 * Fix: btrfs_delayed_ref_head was unwired since v3.12
10 * Update kvm instrumentation for debian kernel 4.9.65-3
11 * Fix: debian kernel version parsing
12 * Fix: block instrumentation 4.14+ NULL pointer dereference
13 * Update: kvm instrumentation for 3.16.52 and 3.2.97
14 * Fix: kvm instrumentation for 4.15
15 * Update sock instrumentation for 4.15
16 * Update kvm instrumentation for 4.15
17 * Fix: ACCESS_ONCE() removed in kernel 4.15
18 * Fix: sched instrumentation on stable RT kernels
19 * timer API transition for kernel 4.15
20 * Fix: Don't nest get online cpus
21 * Fix: lttng_channel_syscall_mask() bool use in bitfield
22 * Fix: update kmem instrumentation for kernel 4.15
24 2017-11-08 (National Cappuccino Day) LTTng modules 2.10.4
25 * Fix: lttng_kvmalloc helper NULL pointer OOP
27 2017-11-03 (National Sandwich) LTTng modules 2.10.3
28 * Fix: lttng-logger get_user_pages_fast error handling
30 2017-10-05 (National Techies Day) LTTng modules 2.10.2
31 * Fix: update block instrumentation for 4.14 kernel
32 * Revert "Fix: update block instrumentation for kernel 4.14"
34 2017-10-03 (National Techies Day) LTTng modules 2.10.1
35 * Fix: version check error in btrfs instrumentation
36 * Fix: update btrfs instrumentation for kernel 4.14
37 * Fix: update writeback instrumentation for kernel 4.14
38 * Fix: update block instrumentation for kernel 4.14
39 * Fix: vmalloc wrapper on kernel < 2.6.38
40 * Fix: vmalloc wrapper on kernel >= 4.12
41 * Add kmalloc failover to vmalloc
42 * Fix: mmap: caches aliased on virtual addresses
43 * Fix: update ext4 instrumentation for kernel 4.13
45 2017-08-01 (World Wide Web Day) LTTng modules 2.10.0
46 * Fix: Sleeping function called from invalid context
47 * Fix: sched for v4.11.5-rt1
48 * Fix: handle missing ftrace header on v4.12
50 2017-06-12 (National Peanut Butter Cookie Day) LTTng modules 2.10.0-rc2
51 * Fix: pid tracker should track "pgid"
52 * Fix: Build ftrace probe on kernels prior to 4.12
53 * Fix: update ftrace probe for kernel 4.12
54 * Fix: update block instrumentation for kernel 4.12
55 * Fix: Add support for 4.9.27-rt18 kernel
56 * Fix: update btrfs instrumentation for kernel 4.12
57 * Fix: update ringbuffer for kernel 4.12
58 * Fix: update sched instrumentation for kernel 4.12
59 * Fix: ext3 was completely removed from the kernel in v4.3
60 * Fix: NULL pointer dereference of THIS_MODULE with built-in modules
61 * Fix: add "flush empty" ioctl for stream intersection
62 * Revert "Fix: flush empty packets on snapshot channel"
63 * Revert "Fix: don't perform extra flush on metadata channel"
65 2017-05-05 (International Tuba Day) LTTng modules 2.10.0-rc1
66 * Fix: remove CONFIG_KALLSYMS_ALL warning on clean
67 * Add RING_BUFFER_SNAPSHOT_SAMPLE_POSITIONS command
68 * Fix: Always build vmscan probe
69 * Cleanup: formatting in strutils_star_glob_match explanation
70 * Fix: introduce LTTNG_SIZE_MAX for older kernels
71 * Use SIZE_MAX instead of -1ULL for size_t parameter
72 * filter: use SIZE_MAX for size_t
73 * Fix: out of bound array access in filter code
74 * Add support for star globbing patterns in event names
75 * Filtering: add support for star-only globbing patterns
76 * Add string utilities
77 * lttng-abi.c: cleanup whitespaces
78 * Fix: use of uninitialized ret value in lttng_abi_open_metadata_stream
79 * Fix: kref changes for kernel 4.11
80 * Fix: atomic_add_unless() returns true/false rather than prior value
81 * Fix: timers cputime_t arguments replaced by ull in kernel 4.11
82 * Fix: update scsi instrumentation for kernel 4.11
83 * Fix: changes to the vm_op fault cb prototype in libringbuffer
84 * Fix: update btrfs instrumentation for kernel 4.11
85 * Fix: update mm_vmscan instrumentation for kernel 4.11
86 * Fix: section mismatch warning caused by __exit annotation
87 * socketpair: extend syscall socketpair tracing information
88 * Remove events/mainline unused headers
90 * Fix: nmi-safe clock on 32-bit systems
91 * Fix: only include linux/cpuhotplug.h for kernels >= 4.10
92 * Fix: 4.10 hotplug adaptation backward compat
93 * Fix: 4.10 btrfs instrumentation update backward compat
94 * Update btrfs instrumentation for 4.10 kernel
95 * Adapt lttng-modules to Linux 4.10 cpu hotplug state machine
96 * btrfs instrumentation: update to 4.10 kernel
97 * timer instrumentation: adapt to ktime_t without union
98 * Add load/unload messages to kernel log
99 * Update version to 2.10.0-pre
100 * Fix: asoc instrumentation for RHEL 7.3
101 * Fix: SCSI instrumentation for SLES12 SP2
102 * Add SUSE Linux Enterprise kernel version tests
103 * Filter code relicensing to MIT license
104 * Add task cpu in process statedump
105 * Performance: add missing unlikely in reserve
106 * Fix: preemptible and migratable context error handling
107 * Fix: bump stable kernel version ranges for clock work-around
109 2016-10-07 (National Frappé Day) LTTng modules 2.9.0-rc1
110 * Fix: i2c: support kernels < 3.15
111 * Fix: show warning for broken clock work-around
112 * Bump minor ABI version
113 * Fix: work-around upstream Linux timekeeping bug
114 * Add support for i2c tracepoints
115 * Cleanup: makefile version checks with single "ge"
116 * Performance: special-case NULL in lttng_strlen_user_inatomic
117 * Fix: lttng_inline_memcpy does not take a __user argument
118 * Performance: implement lttng_inline_memcpy
119 * Performance: cache the backend pages pointer in context
120 * Cleanup: libringbuffer: remove duplicate pointer chasing in slow paths
121 * Performance: Only dereference commit index once
122 * Performance: Mark channel and buffer event disabled check unlikely
123 * Performance: Relax atomicity constraints for crash handling
124 * Performance: mark ring buffer do_copy callers always inline
125 * Performance: mark lib_ring_buffer_write always inline
126 * Kconfig: select TRACEPOINTS when built-in
127 * Performance: disable event counting by default
128 * Fix: handle large number of pages or subbuffers per buffer
129 * Fix: unregister cpu hotplug notifier on buffer alloc error
130 * Fix: sa_family is of type unsigned short
131 * Fix: check for sizeof sa_family to save sa_family in accept and connect
132 * Fix: use printk_once() for wrapper warning messages
133 * Fix: btrfs instrumentation for 4.8 kernel
134 * Fix: update mm_vmscan instrumentation for kernel 4.8
135 * Fix: napi instrumentation for 4.8 kernels
136 * Fix: update block instrumentation to compile on 4.8 kernels
137 * Cleanup: reuse code in accept() and accept4() instrumentation
138 * Add x86-64 override for accept4 syscall
139 * Fix: timer wrapper: support kernels >= 4.8
140 * Performance: split check deliver fast/slow paths
141 * Fix: x86-64 accept instrumentation
142 * Fix: Add support for 4.6.4-rt8 kernel
143 * Fix: update scsi instrumentation for 4.7+ kernels
144 * Fix: Use fs_initcall instead of rootfs_initcall
145 * Fix: Add kernel configuration for lttng clock plugin
146 * Fix: the clock plugin must be initiated before first use of the clock
147 * Fix: tests/Kbuild for older kernels
148 * Cleanup: __dynamic_len_idx set but not used warning
149 * Cleanup: coding style and comments of net.h
150 * net: Add TCP header data to net_* tracepoints
151 * net: Add IPv4/IPv6 header data to net_* tracepoints
152 * Fix: endianness for the container type of enum
153 * enumeration autoincrement: use if/else logic
154 * Cleanup trailing whitespaces
155 * lttng-test probe: test ctf_enum_auto()
156 * Add ctf_enum_auto() for autoincrementing enumeration values
157 * Implement session statedump command
158 * Fix: annotate bytecode interpreter for kernel stack validator
159 * Update version to 2.9.0-pre
160 * Fix: ring buffer: honor switch parameter type in remote switch
161 * Fix: only flush non-metadata channels
162 * Fix: don't perform extra flush on metadata channel
163 * select, poll and epoll_wait overrides on ARM 32-bit
164 * Fix: flush empty packets on snapshot channel
165 * Fix: do not generate packet at destroy after stop
166 * Fix: compat ioctl for flush/get metadata version
167 * Fix: ctf_string() should handle NULL pointers
168 * Fix: portability: no arith on void pointer
169 * Fix: add missing tests/Kbuild
170 * Test clock override plugin
171 * Fix: add modules target to base Makefile
172 * Fix: make clean does not include dot-config
173 * Fix: trigger build error if CONFIG_TRACEPOINTS is not set
174 * Documentation: document that CONFIG_MODULES not required when builtin
175 * Fix: add missing errno include in random wrapper
176 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.16.35
177 * Fix: copy_from_user size when limited allocation
178 * Extract the payload of epoll_wait/epoll_pwait
179 * Extract the payload for epoll_ctl
180 * Extract the FDs and flags from poll and ppoll
181 * Extract the FD sets in select and pselect6
182 * Add ctf_integer_bitfield_type
183 * Implement enumeration type
184 * Implement custom field support
185 * Implement variant type
186 * Implement shadow stack for dynamic len
187 * libringbuffer: implement event too big API
188 * Implement structure, compound array/sequence types
189 * Fix: integer endianness metadata generation
190 * Fix: endianness of integers received by filter
191 * Fix: writeback probe on RHEL >= 3.10.0-327.10.1
192 * Fix: RHEL kernel 3.10.0-327.13.1 compat
193 * Fix: ctf_user_integer should not trigger page fault
194 * Fix: lib_ring_buffer_copy_from_user_inatomic error handling
195 * Add comment describing ioctl number duplication
196 * Fix: remove unused gfpflags.h from btrfs and compaction instrumentation
197 * Fix: Remove dead code from filter interpreter
198 * Fix: x86 kvm mmutrace instrumentation for kernel < 3.6
199 * Fix: mm_vmscan instrumentation: remove unused gfpflags.h include
200 * Fix: use of uninitialized ret value in lttng_abi_create_event
201 * Fix: kmem instrumentation: remove unused gfpflags.h include
202 * Fix: 4.6 kernel: use in_compat_syscall
203 * Fix: use BUG_ON instead of accessing array subscript above array bounds
204 * Fix: Add granularity to RHEL kernel version checks
206 2016-03-18 (Awkward Moments Day) LTTng modules 2.8.0-rc1
207 * Bump minor tracer ABI version
208 * Fix: build against out-of-tree kernel build
209 * probes/Kbuild: remove upper level header path
210 * Move leftover relative include paths to system paths
211 * syscall instrumentation: use system headers
212 * tracepoint event instrumentation: use system headers
213 * Use system include path in wrappers
214 * libs: use system include paths
215 * Use system header paths in core implementation files
216 * Use system include paths in root directory headers
217 * Use system include paths in probes
219 * Use system include paths in lttng-types.h
220 * Use system include paths in lttng-tracepoint-event-impl.h
221 * Use system include path in probes/define_trace.h
222 * Use system include paths in probes/lttng-tracepoint-event-impl.h
223 * Rename probes/lttng-events.h to probes/lttng-tracepoint-event-impl.h
224 * Add makefile directory to include path
225 * Fix: event ctx get size should be after chan ctx
226 * Fix: filter interpreter with userspace strings
227 * Fix: rename kvm x86 TRACE_SYSTEM to avoid name clash
228 * Fix: format address fields as hexadecimal
229 * PowerPC-64 ABIv1: add build error if KALLSYMS_ALL is missing
230 * Fix: system call instrumentation overrides
231 * Fix: page_alloc wrapper incorrect parenthesis
232 * Fix: system call tracing for arm-64 compat !CONFIG_UID16
233 * Fix: add struct user_msghdr forward declaration for older kernels
234 * Cleanup: Remove unused lttng-types module
235 * Fix: add missing versions and init call for page_alloc wrapper
236 * Fix: Define lttng-tracer metadata only once
237 * Fix: Add CONFIG_LTTNG to modules_install target
238 * Fix: Use kbuild env instead of a custom var KERNELDIR
239 * Update clock offset comment
240 * clock offset: print negative value in metadata
241 * Fix: handle negative clock offset
242 * Fix: sched instrumentation for 4.1-rt11
243 * Add RT patch version macros
244 * Expect filter context identifiers starting with $ctx.
245 * ARM64: wire up compat system calls
246 * Add support for arm64 syscalls
247 * Fix: Ubuntu kernel range for block_rq_complete
248 * Fix: Ubuntu kernel range for mm_page_alloc_extfrag
249 * Fix: update vmscan instrumentation for kernel 4.5
250 * Fix: check reference counts for overflow
251 * Fix: RHEL 7.2 scsi instrumentation
252 * Fix: RHEL 7.2 kvm instrumentation
253 * Kconfig: describe both module and in-kernel compilation options
254 * Add comments and indentation to Makefile
255 * Add support for built-in kernel build
256 * Rename sub makefiles to Kbuild
257 * Cleanup sub makefiles
258 * Make goals configurable with CONFIG_LTTNG
259 * Fix: Use generic raw_irqs_disabled_flags
260 * Fix: Use MAX_RT_PRIO offset in sched_wakeup_template
261 * Fix: update sched instrumentation for kernel 4.4.0
262 * Bump version number for development branch
263 * Fix: interruptible context: reversed logic
264 * Contexts for RT debugging
265 * Fix: instrumentation: v4lv2 missing include
266 * Fix: header size larger than 256 bytes
267 * Instrument x86 page faults
268 * Fix: irq_vectors TRACE_SYSTEM name
269 * Instrument x86_irq_vectors
270 * Fix: tracepoint listing misses last loaded probe
271 * Fix: lttng trace-clock needs to disable preemption
272 * Tracepoint event: add "TP_code_post()"
273 * Implement array and sequence bitfields
274 * Fix: kmem: add mm.h include
275 * Add page frame number (pfn) to kmem page events
276 * Use pfn rather than struct page in ring buffer array
277 * Implement clock plugin support
278 * Command to regenerate the metadata of a session
279 * Fix: writeback instrumentation update for 4.3 Linux kernel
280 * Fix: update sched wakeup instrumentation for 4.3 kernel
281 * Fix: lttng-test build failure for kernels < 3.0
282 * Use 3.18 syscall instrumentation for MIPS32
283 * Update the MIPS32 syscall instrumentation to 3.18
284 * Fix: Move pipe override to the arch specific pointers_override.h
285 * Implement lttng test module
286 * Cleanup: remove logically dead code
287 * Fix: filter validator use after free
288 * Fix: use after free in channel release
289 * Fix: non-enabler events should be disabled by default
290 * Fix: build failure on 2.6.36
291 * Cleanup: split bdi_dirty_ratelimit with ifdef into separate macros
292 * Fix: writeback instrumentation for 4.2 kernels
293 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.18.10
294 * Add stream instance id to the packet header
295 * Add a packet sequence number
296 * Fix: kmem probe with Ubuntu 3.13 kernels
297 * Fix: disable kvm probe if lapic.h isn't found
298 * Fix: timer instrumentation for 4.2 kernels
299 * Fix: ext4 instrumentation for 4.2 kernels
300 * Fix: kvm instrumentation for 4.2 kernels
301 * Fix: allow LTTng to be built within kernel tree
303 2015-07-15 (Pet Fire Safety Day) LTTng modules 2.7.0-rc1
304 * Fix: Building the event list fails on fragmented memory
305 * Fix: use after free on metadata cache reallocation
306 * Fix: version checks for kernel 4.0
307 * Fix: Incorrect Ubuntu kernel patchlevel
308 * Fix: cpu-id context should use int type
309 * Implement cpu-id context
310 * Implement cpu_id context for filtering
311 * Fix: context printk mismatch on error
312 * Cleanup: misleading comment about deferrable timer
314 * Fix: Update kmem event for Ubuntu's 3.16 kernel
315 * Fix: RHEL 7.1 block instrumentation
316 * Fix: add RHEL version macros
317 * Fix: add missing parenthesis in ubuntu version check
318 * Fix: remove regmap instrumentation for kernels < 4.1
319 * Fix: Update kmem event for recent Ubuntu kernel
320 * Fix: missing statedump end event when block device listing available
321 * Fix: don't generate incorrect macros for debian/ubuntu version check
322 * Revert "Fix: build against Ubuntu kernels"
323 * Fix: build against Ubuntu kernels
324 * Add namespace info in sched_fork and statedump
325 * Fix: ext4 instrumentation: flags parameter did not exist prior to 3.11
326 * Fix: printk instrumentation: remove "condition" tracepoints
327 * Fix: regmap build against kernel 4.0 kernel headers
328 * Add mmu_valid_gen field to mmutrace events
329 * Fix: add missing x86 mmutrace kernel header include
330 * Fix: x86 mmutrace event extra field for kernels >= 3.11
331 * Fix: remove execute flag from kvm.h file
332 * Fix: build x86 kvm probes on kernels >= 4.1-rc1
333 * Fix: compilation on 4.1-rc1 kernel, remove unused WB_WORK_REASON
334 * Fix: 4.1-rc1 Linux build and regmap instrumentation
335 * Fix: don't clash with older Debian kernel versions
336 * Fix: update get_pfnblock_flags_mask wrapper for debian kernels
337 * Fix: discover Debian API
338 * Fix: Update README.md to match reality: kernels >= 2.6.36 are supported
339 * Fix: atomic.h wrapper for kernels < 2.6.37
340 * Fix: disable x86 kvm instrumentation for kernels < 2.6.38
341 * Fix: add missing types.h include for older kernels
342 * Fix: add hlist lttng wrappers
343 * Fix: add struct file_handle forward declaration
344 * Fix: string length calculation reversed user vs kernel args
345 * Fix: use lttng_rcu_dereference within lttng-syscalls.c
346 * Fix: add lttng rcu wrapper to allow tracing RCU
347 * Fix: double-unlock of session mutex
348 * Fix: check that class and instance prototype match
349 * Fix: lttng-events.h check function takes void
350 * Fix: regmap instrumentation for Linux 3.19.4 and 4.0
351 * Fix: kernels >= 2.6.33 put utsrelease.h in generated/
352 * Fix: Include utsrelease.h in lttng-kernel-version.h
353 * Fix: ext4 ext4_da_write_pages instrumentation for kernels < 3.11.0
354 * Fix: old kernels need module.h included before vermagic.h
355 * Fix: net instrumentation for kernels 2.6.39 and below
356 * Fix: version condition in makefile
357 * Implement wrapper around get_pfnblock_flags_mask
358 * Be more restrictive in provider name check
359 * Fix: net instrumentation namespacing
360 * Fix: compaction instrumentation namespacing
361 * Fix: Support 4.x kernel versions in Makefile
362 * Fix: remove stale TP_STRUCT_entry from kvm instrumentation
363 * Fix: add missing module.h include to lttng-probe-user.c
364 * Fix: use lttng hlist wrapper in wildcard and filter
365 * Fix: namespace asoc and kmem instrumentation
366 * Fix: update instrumentation after wildcard rebase
367 * Fix: lttng_abi_syscall_list does not need to be exported
368 * Migrate ARM, powerpc, MIPS syscall instrumentation to TP_FIELDS
369 * Remove now unused syscalls.h from lttng-modules
370 * Filter: start with enabler "disabled"
371 * Fix coverity warning about sizeof(void **) != sizeof(void *)
372 * Fix length type and text sequence base
373 * Fix: TP_FIELDS: add missing headers
374 * Migrate syscall instrumentation to TP_FIELDS
375 * Migrate tracepoint instrumentation to TP_FIELDS
376 * Implement filtering infrastructure
377 * syscall wildcards: apply syscall filtering
378 * Implement syscall wildcard support
379 * Implement tracepoint wildcard support
380 * Namespace all tracepoints
381 * Implement list.h wrapper for hlist in older kernels
382 * Implement listing of pid tracker content
383 * Implement PID tracking
384 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.14.36
385 * Fix: update writeback instrumentation for kernel 4.0+
386 * Fix: compaction mm_compaction_isolate_template update for Linux 4.0+
387 * Fix: kmem instrumentation update for mm_page_alloc_extfrag kernel 3.19.2+
388 * Fix: kmem instrumentation: mm_page_alloc extfrag change_ownership field
389 * Fix: missing parenthesis in offset_align_floor
390 * Fix: implement time.h wrapper for FD_ISSET
391 * Fix: update sched instrumentation for 3.19+ kernels
392 * Fix: update rcu instrumentation for 3.19+ kernels
393 * Fix: update scsi instrumentation for 3.19+ kernels
394 * Fix: update module instrumentation for 3.19+ kernels
395 * Fix: Add f_dentry wrapper for 3.19+ kernels
396 * Fix: introduce lttng_get_unused_fd() wrapper for 3.19 kernels
397 * Fix: lttng_this_cpu_ptr wrapper for kernel 3.19+
398 * Fix: Update btrfs instrumentation for 3.18 Linux kernel
399 * Fix compile error on kernel 3.0.101 with CONFIG_PERF_EVENTS
400 * Conditional compilation introduced by lttng-modules commit
401 * Fix: compaction instrumentation update for 3.14.x stable kernels
402 * Fix: context alignment not properly handled
403 * Fix compilation on Linux kernel >= 3.18.0
404 * Fix: build for architectures without HAVE_SYSCALL_TRACEPOINTS
406 2014-10-20 LTTng modules 2.6.0-rc1
407 * Expose lttng-modules ABI version ioctl
408 * Fix: syscall list ioctl number conflict
409 * lttng-modules: fix build for non-x86
410 * Fix: syscall listing of session
411 * Print build warning when writeback probe is disabled
412 * Add atomic.h wrapper for before/after atomic
413 * Fix compilation on Ubuntu 14.10
414 * Fix: export name as text array in writeback
415 * Cleanup: remove unused trace_clock_read32()
416 * Use 3.17 ktime_get_mono_fast_ns() new API
417 * Check for stale version.h files
418 * Fix: compile lttng_statedump_process_ns on Ubuntu
419 * Reverse version check logic in lttng_statedump_process_ns
420 * Fix block_rq_complete TP on Ubuntu kernel
421 * Introduce macros to check Ubuntu kernel version
422 * Sync writeback tracepoints from mainline
423 * Fix: redefinition of DEFINE_WRITEBACK_EVENT
424 * Fix: hander negative get_syscall_nr return value
425 * Fix: statedump: close_on_exec flag backward compat
426 * Fix instrumentation of vmscan for older kernels
427 * Fix: older kernels (3.2.x) don't undefine TRACE_SYSTEM
428 * Fix: syscall listing: handle "enable all syscall"
429 * Fix: don't allow disabling syscalls when none are enabled
430 * Fix: syscall: fail disable all if all already disabled
431 * Fix: syscall filtering: NULL pointer deref
432 * Cleanup: list syscall without syscall_entry prefix
433 * Fix: syscall_list_show NULL pointer deref
434 * implement syscall mask getter
435 * Cleanup: lttng-abi.h coding style
436 * syscall listing: show syscall ID
437 * Allow events with same name to be enabled for each channel
438 * ABI: use enable a syscall ABI field name
439 * Implement syscall listing
440 * Fix: tracepoint list anonymous file name
441 * Fix: syscall filtering: disable all syscalls
442 * syscall tracing: input/output parameter handling for all arch
443 * lttng-get-syscall-inout.sh depends on bash
444 * Fix generate syscall header script: add missing escape char
445 * syscall instrumentation: handle copy_from_user return value
446 * Rename LTTng syscall instrumentation macros
447 * Rename LTTng instrumentation macros
448 * Extract input/output arguments from accept and connect syscalls
449 * syscall: extract pipe and pipe2 output args
450 * Remove sys_ prefix from syscall names
451 * System call inout/output arg processing
452 * Update syscall inout table
453 * Add syscall inout table
454 * Extract syscall exit ret value on x86 32/64
455 * Extract system call exit return value
456 * Syscall filtering: apply to syscall exit
457 * System call filtering
458 * asoc.h: fix build with v3.17 kernel
459 * Fix: lttng-modules teardown NULL pointer OOPS
460 * Fix: handle concurrent flush vs get_next_subbuf on metadata cache
461 * Modernize README using Markdown
462 * Fix: OOT lttng_logger tracepoint not visible with signed kernels
463 * Add cscope to gitignore
464 * Update kvm instrumentation: compile on 3.17-rc1
465 * Update statedump to 3.17 nsproxy locking
466 * Fix: noargs probes should calculate alignment and event length
467 * Update compaction instrumentation to 3.16 kernel
468 * Update vmscan instrumentation to 3.16 kernel
470 2014-07-16 (Take Your Poet to Work Day) LTTng modules 2.5.0
473 2014-06-27 LTTng modules 2.5.0-rc2
474 * Fix: statedump: check whether "files" is NULL, RCU semantic fix
475 * Fix: statedump handle oom case, handle errors
476 * Fix: correct typo in kernel version number
477 * Fix: blktrace instrumentation for backported branches
478 * Fix: statedump block devices OOPS
480 2014-05-28 (International Hamburger Day) LTTng modules 2.5.0-rc1
481 * Add TID field to some block_* events
482 * Fix: refuse overwrite mode buffers with less than two subbuffers
483 * Fix: lttng modules system call generation script
484 * Dump FD flags and mode on state dump
485 * Fix: incorrect rwbs field type in block_bio_queue
486 * Fix: blktrace instrumentation for v3.2.58+ stable branch
487 * Fix: pass proper args when writing commit counter
488 * Cleanup: lib ringbuffer: pagecpy has unsigned semantic
489 * Fix: allow racy tracepoint string input from kernel and userspace
490 * Statedump event for block devices
491 * Fix: update v4l2 instrumentation to 3.15 kernel
492 * Fix: ext4 update instrumentation to 3.15 kernel
493 * Fix: update block instrumentation to 3.15 kernel
494 * Fix: module instrumentation: update to 3.15 kernel
495 * Adapt to 3.15 tracepoint API
496 * Kernel 3.15 don't define map unmap for pipe
497 * Fix: add missing module version in v4l2 probe
498 * Add V4L2 instrumentation
499 * Fix: rcu instrumentation: add const qualifier to char pointers
500 * Fix: add missing module version information
501 * Use kernel 3.13 syscall tables for MIPS32
502 * Add MIPS32 syscalls extracted from a 3.13 kernel
503 * Fix: block instrumentation: < 3.14 don't have bi_iter
504 * Fix: update btrfs instrumentation to kernel 3.14
505 * Fix: update block layer instrumentation to kernel 3.14
506 * Fix: remove __exit annotation
507 * Fix file permissions for lttng-statedump-impl.c
510 2014-02-28 (Public Sleeping Day) LTTng modules 2.4.0
511 * Fix: load state dump even if work-around lookup fails
512 * Cleanup: fix comment
513 * Fix: correctly version kvm events to build against v3.0 kernel
514 * Add extraversion (e.g. -rc4) to lttng-tracer modinfo
516 2014-02-14 LTTng modules 2.4.0-rc4
517 * Fix: use after free in ring buffer clients
518 * Fix: Add statedump exit so module is not permanent
519 * Cleanup: move callback init to static initialization
520 * Fix: OOT lttng-statedump tracepoints not visible with signed kernels
522 2014-01-29 LTTng modules 2.4.0-rc3
523 * Fix: tracepoint event name mapping at unregister
524 * Fix: tracepoint name remapping
525 * Fix: enable event error path memory corruption
526 * Update kvm instrumentation to Linux 3.13
527 * Update sched instrumentation to Linux 3.13
528 * Fix: provide more precise error report for enable event
529 * Fix: quote event name in metadata
530 * Add version info to lttng-tracer.ko modinfo
532 2013-12-10 LTTng modules 2.4.0-rc2
533 * Fix: client_packet_header() uses wrong packet
534 * Cleanup: fix typo in ring buffer backend comment
535 * Fix: handle unknown event type parameter
536 * Fix: eliminate timestamp overlap between packets
537 * gcc blacklist: only apply when building with gcc
538 * Blacklist ARM gcc 4.8.0, 4.8.1, 4.8.2
540 2013-11-15 LTTng modules 2.4.0-rc1
541 * Update ext4 instrumentation to Linux 3.12
542 * Update RCU instrumentation to Linux 3.12
543 * Update btrfs instrumentation to 3.12 kernel
544 * Update vmscan instrumentation to Linux 3.12
545 * update: kmem instrumentation 3.12 kernel support
546 * lttng-statedump-impl: Use generic hard irqs for Linux >= 3.12
547 * lttng-statedump-impl: Fix lttng_list_interrupts for empty implementation
548 * Import fix from LTSI: 3.4+ RT kernels use CONFIG_PREEMPT_RT_FULL
549 * Add new tracepoint in KVM
550 * Blacklist kernels 3.10.13 and 3.11.2
551 * LTTng trace-clock: shrink kernel blacklist
552 * Metadata flush writes data from the cache
553 * Per-stream ioctl to get the current timestamp
554 * LTTng ringbuffer ABI calls for index generation
555 * Prepare LTTng override of ring buffer fops
556 * Blacklist Linux kernels 3.10+
558 2013-09-03 LTTng modules 2.3.0
559 * Fix: metadata stream should not reference session
560 * Fix: btrfs: support 3.11 Linux kernel
561 * statedump: remove KERN_DEBUG messages
562 * Fix: ext4: add missing tracepoints for 3.11 kernel
563 * Fix: ext4: Linux 3.11 support
564 * Fix: ext3: 3.11 Linux support
565 * Fix: statedump nsproxy 3.11 Linux support
567 2013-08-30 LTTng modules 2.3.0-rc2
568 * Fix: metadata lttng channel refcount
569 * README: lttng-modules incompatible with lttng 0.x patchset
571 2013-07-17 LTTng modules 2.3.0-rc1
572 * Fix: kvm x86 probes side-effect
573 * Fix: allow get/put subbuf in loop for metadata stream
574 * Add support for kvm x86 specific tracepoints
575 * Add mainline headers for kvm x86 tracepoints
576 * Remove old 3.0.4 x86-64 extracted syscall info
577 * Point the x86-64 overrides to newly extracted 3.10-rc7 files
578 * Add syscalls extracted files from a 3.10-rc7 kernel
579 * Improve documentation of the syscall extractor script
580 * Fix: double length of __dynamic_len array
581 * Fix printk instrumentation
582 * Introduce __dynamic_array_enc_ext_2() and tp_memcpy_dyn_2()
583 * Fix: ring buffer: get_subbuf() checks should be performed on "consumed" parameter
584 * Fix: SWITCH_FLUSH new sub-buffer checks
585 * Fix: ring buffer: handle concurrent update in nested buffer wrap around check
586 * Cleanup: lib_ring_buffer_switch_new_end() only calls subbuffer_set_data_size()
587 * Revert "Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()"
588 * Fix: handle writes of length 0
589 * Fix: ring buffer: RING_BUFFER_FLUSH ioctl buffer corruption
590 * Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()
591 * print warning and return -EBUSY on double get_subbuf()
592 * Add header to fix compilation of syscalls-extractor on 3.9 kernel
593 * Fix: don't do 0 byte event reservation
594 * Document that payload size need to be greater than 0
595 * Fix build and load against linux-2.6.33.x
596 * Fix: add missing CONFIG_COMPAT around lib_ring_buffer_compat_ioctl
597 * Metadata cache and multiple metadata channels
598 * fix block instrumentation probe signature mismatch for 3.9.x kernels
599 * fix: block instrumentation: NULL pointer dereference
600 * Update rcu instrumentation to 3.9.[0-4]
601 * Fix CPU hotplug section mismatches
602 * Add system calls definitions for powerpc-32
603 * Remove bashism in lttng-syscalls-generate-headers.sh
604 * Update ARM (32 bit) syscall tracepoints to 3.4
606 2013-05-09 LTTng modules 2.2.0-rc2
607 * Remove useless lttng_metadata probe
608 * Fix: warning kvm_trace_exit_reason redefined for 3.9 kernel
609 * Fix: 3.9.0 block layer instrumentation build
610 * Revert "Stop build if CONFIG_TRACEPOINTS is not set"
611 * Stop build if CONFIG_TRACEPOINTS is not set
612 * Add comments to endifs.
613 * Fix: remove ARM set_tls system call override
614 * Cleanup: arm sys_mmap whitespace
615 * Clean up using global_dirty_limit wrapper for writeback probe
617 2013-03-29 LTTng modules 2.2.0-rc1
619 * Fix: vmscan instrumentation build
620 * writeback instrumentation: remove duplicated structures
621 * block: update instrumentation to 3.9 rc kernel
622 * rcu: update to 3.9 rc kernel instrumentation
623 * workqueue instrumentation: remove duplicated structures
624 * Rename odd event names
625 * Introduce API to remap event names exposed by LTTng
626 * lttng-module: sched.h: Fix compilation on 3.9 kernel
627 * Fix Linux 3.8 btrfs probe warning
628 * Fix Linux 3.8 ext4 probe support
629 * Fix 3.8 kernel support: namespace lttng_is_signed_type()
630 * Fix: don't flush-final for offset 0 if reader is on sub-buffer
631 * instrumentation sched: add missing fork pid info
632 * Fix check in lttng_strlen_user_inatomic
633 * instrumentation: sync with Linux commit a1ce392
634 * Fix: statedump: missing locking, use lttng_iterate_fd
635 * Implement lttng_iterate_fd wrapper
636 * Instrumentation cleanup: kmem events should print hex pointers
637 * Fix compilation of ext4 and btrfs tracepoints on 2.6.40 kernels
638 * Fix: statedump hang/too early completion due to logic error
639 * Fix: statedump hang due to incorrect wait/wakeup use
640 * put_ulong calls in lib_ring_buffer_compat_ioctl() should be compat
641 * wrapper/perf.h: Fix kernel version condition
642 * Add new kernel probes instrumentation
643 * Update kernel probes to more detailed match to kernel versions
644 * Fix possible kernel build errors with linux-patches
645 * Add missing MIT license text to 3 files under this license
646 * Update sites using kernel version checking macro to new range
647 * Make upper bound of kernel version checking macro exclusive
648 * sock instrumentation: fix fields to get referenced values
649 * ext3 instrumentation: fix of assignment code conversion
650 * sched instrumentation: rename "pid" fields in sched_process_exec
651 * Remove remaining semicolons in TP_fast_assign blocks
652 * Fix compilation for 3.0 kernels that are named 2.6.40
653 * Fix compilation for 3.0 branch (>= 3.0.39)
654 * Add kernel version checking macro
655 * Remove semicolons in TP_fast_assign blocks
656 * Add ifdefs to net probe to support Linux 2.6.39
657 * Add kernel probes for supplementary subsystems
658 * Check if interrupt action name is not null in statedump
659 * Fix exec instrumentation: only for kernels 3.4.0 and higher
660 * Add TRACE_EVENT(sched_process_exec) to sched.h
661 * lib/ringbuffer/frontend_api.h: Include linux/prefetch.h.
662 * Fix warning with 3.6.0 kernel
663 * ABI with support for compat 32/64 bits
664 * Perform calculation on bit size in 64-bit
665 * Use uint64_t for packet header content size and packet size
666 * Fix: compat layer only on supported architectures
667 * Fix ring buffer 32/64 bits compat
668 * Fix cleanup: move lttng-tracer-core.h include to lib ringbuffer config.h
669 * Fix ring_buffer_frontend.c: missing include lttng-tracer-core.h
670 * Fix: statedump missing check for NULL namespace
672 2012-09-10 LTTng modules 2.1.0-rc1
673 * fix timestamps on architectures without CONFIG_KTIME_SCALAR
674 * Support for linux kernels 2.6.32 through 2.6.37
675 * Document limitation of vppid and ppid context wrt eventual RCU instrumentation
676 * Cleanup: no need to hold RCU read-side lock when reading current nsproxy
677 * Add env hostname information
678 * Fix: lttng_statedump_process_state for each PID NS has infinite loop
679 * lttng_statedump_process_state for each PID NS
680 * Support the hostname context
681 * Fix: statedump namespaced pid, tid and ppid
682 * Fix: statedump: disable vm maps enumeration
683 * Fix: ensure userspace accesses are done with _inatomic
684 * Fix: vppid context should test for current nsproxy
685 * Add MIPS system call support
686 * Change mode of lttng-syscalls-generate-headers.sh to 755
687 * cleanup: fix typo in syscall instrumentation header
688 * Cleanup: remove trailing whitespace in README
689 * trace event: introduce TP_MODULE_NOAUTOLOAD and TP_MODULE_NOINIT
690 * LTTng: probe-statedump: add #include <linux/sched.h>
691 * fix: signal_generate event should print utf8 for comm field
692 * Makes write operation a parameter for tp_memcpy macro
693 * Add coding style document
694 * Update instrumentation/events README file
695 * Add makefile target for preprocessor
696 * Fix: free_event_id check should compare unsigned int with -1U
697 * Use unsigned long type for events discarded counter
698 * Fix: update signal instrumentation for 3.4 kernel
699 * LTTng Modules ARM syscall instrumentation
700 * Fix: generate header missing echo -e for escape chars
701 * Fix: add missing uaccess.h include (for ARM)
702 * README: Document that CONFIG_MODULES is required
704 * Fix: document required and optional kernel config options in README
706 2012-03-29 LTTng modules 2.0.1
707 * Fix: is_compat_task !CONFIG_COMPAT compile error on kernels >= 3.3
709 2012-03-20 LTTng modules 2.0.0
710 * First STABLE version
713 2012-03-20 LTTng modules 2.0.0-rc4
714 * Update README and add version name place-holder
716 2012-03-16 LTTng modules 2.0.0-rc3
717 * Fix clock offset 32-bit multiplication overflow
718 * Fix : wrong assign of fd in state dump
719 * License cleanup, ifdef namespace cleanup
720 * Fix: ensure power of 2 check handles 64-bit size_t entirely
722 2012-03-02 LTTng modules 2.0.0-rc2
723 * Fix: dmesg printout should not print metadata warnings
724 * Fix: use transport name as channel name
725 * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_subbuf
727 2012-02-20 LTTng modules 2.0.0-rc1
728 * Standardize version across toolchain
729 * statedump: Use old macro name for kernel 2.6.38
731 2012-02-16 LTTng modules 2.0-pre15
732 * Add timer instrumentation
733 * fix: need to undef mainline define
734 * fix: Include signal.h instead of irq.h for prototype match check
735 * Add signal instrumentation
737 2012-02-16 LTTng modules 2.0-pre14
738 * syscall tracing: sys_getcpu
739 * Add sys_clone x86 instrumentation
740 * statedump: fix include circular dep
741 * Implement state dump
743 2012-02-09 LTTng modules 2.0-pre13
745 * environment: write sysname, release, version, domain to metadata
746 * Allow open /proc/lttng for read & write
748 2012-02-02 LTTng modules 2.0-pre12
749 * Add x86 32/64 execve syscall instrumentation override
750 * Remove unused defines
752 * Use LTTNG_KERNEL_SYM_NAME_LEN
753 * Update version to 1.9.9
754 * Add missing double-quotes to clock uuid
755 * clock: read bootid as clock monotonic ID
758 * clock: output clock description in metadata
759 * Properly fix the timekeeping overflow detection
761 * rename lib-ring-buffer to lttng-lib-ring-buffer
763 * Mass rename: ltt_*/ltt-* to LTTNG_*/LTTNG-*
766 * Remove debugfs file (keep only proc file)
767 * Rename lttng-debugfs-abi files to lttng-abi
769 2011-12-13 LTTng modules 2.0-pre11
770 * Fix OOPS caused by reference of config pointer
771 * Gather detailed info from x86 64 32-bit compat syscall instrumentation
772 * lttng lib: ring buffer move null pointer check to open
773 * lttng lib: ring buffer remove duplicate null pointer
774 * lttng lib: ring buffer: remove stale null-pointer
775 * lttng wrapper: add missing include to kallsyms wrapper
776 * lttng: cleanup one-bit signed bitfields
778 * Update symbol name length max size to 256
779 * Fix last modifications to string_from_user operations
780 * Document that depmod needs to be executed by hand
781 * Fix strlen_user fault space reservation
782 * Fix tp_copy_string_from_user handling of faults
783 * Disable block layer tracing support for kernels < 2.6.38
784 * lttng context: perf counter, fix 32-bit vs 64-bit field size bug
785 * Update trace clock warning to match the current development plan
786 * ringbuffer: make ring buffer printk less verbose
787 * Makefile: do not run depmod manually
789 2011-09-30 LTTng modules 2.0-pre10
790 * x86-32: override sys_mmap syscall instrumentation
793 2011-09-29 LTTng modules 2.0-pre9
794 * x86 32 syscalls: fix !CONFIG_UID16
795 * Use __string_from_user
796 * Add __string_from_user
797 * Rename "comm" context to "procname"
798 * Fetch "type" name field for mount syscall
799 * Create common override file for all architectures
800 * Shrink stack size usage
801 * Cleanup: remove unused lttng-compat-syscalls.c file
802 * Support detailed compat syscalls on x86_64
804 * Add disabled compat syscalls detail (work in progress)
805 * Add config compat support for detailed x86_32 syscalls
806 * Handle newer 3.1+ perf API
807 * Add dummy x86-32 override headers
808 * Bind x86-32 syscall headers
809 * Add x86-32 syscall headers
810 * Add check for KALLSYMS_ALL in syscall extraction script
811 * Automate string extraction for syscalls
812 * Automate syscall filename/pathname extraction
813 * Add exit to ring_buffer_frontend so module is unloadable
814 * Add sys_open filename (x86_64)
815 * Add missing memcpy callback
816 * copy_from_user and memset
817 * Add missing alignment after header write
818 * lib ring buffer: add frontend init as module_init
819 * lib ring buffer frontend: add missing lock initialization
820 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address (missing file)
821 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address
822 * Create override for sys_mmap
823 * Rename syscalls -> syscall in LTTng ABI
824 * Use different event name for compat syscalls
825 * Allow trace syscall table override
826 * Add dummy override files
827 * syscall detail: add override capability
828 * Add pointer pretty-print heuristics
830 * Rename sys exit errno into ret
831 * Enable detailed syscalls only for native x86_64
832 * Use "unknown" for compat syscalls
833 * Disable x86-64 specific detailed syscalls for now, until we deal with 32-bit compat
836 * Only enable detailed syscalls for x86_64 for now
837 * Merge unknown syscall method with extended detail method
838 * Add underscore prefix before event names
839 * Add syscalls pointers detailed syscall tracing
840 * Use perl for regexp
841 * Support generation of syscall probes for those with pointers
842 * Support detailed syscalls with 0 arguments
843 * detailed syscall tracing (work in progress)
844 * Expose /proc/lttng file
845 * Implement detailed syscall event probe
846 * Disable perf build for < 2.6.33 kernels
847 * Syscall detail mode: generate syscall table
848 * block instrumentation: write cmd as hex sequence
849 * lttng-events TRACE_EVENT generator cleanup
850 * block layer instrumentation: fix cmd field
851 * Remove 0 args syscalls for now from type-aware syscall cb generator
852 * Generate trace syscall table macros
853 * Put syscall tracing without arg types back in place
854 * Detailed system call tracing (TRACE_EVENT() generation for integer support)
855 * lttng events probes: don't clash with "ctx" variable name
856 * lib ring buffer must take private pointer copy before decrementing refcount
858 2011-08-16 LTTng modules 2.0-pre8
859 * Fix metadata buffer wait/wakeup
861 2011-08-12 LTTng modules 2.0-pre7
862 * Add missing module refcount to lttng_tracepoint_list_fops
863 * Add license info about lib/ringbuffer/ring_buffer_mmap.c being GPLv2
projects / lttng-modules.git / blob