1 2017-11-03 (National Sandwich) LTTng modules 2.10.3
2 * Fix: lttng-logger get_user_pages_fast error handling
4 2017-10-05 (National Techies Day) LTTng modules 2.10.2
5 * Fix: update block instrumentation for 4.14 kernel
6 * Revert "Fix: update block instrumentation for kernel 4.14"
8 2017-10-03 (National Techies Day) LTTng modules 2.10.1
9 * Fix: version check error in btrfs instrumentation
10 * Fix: update btrfs instrumentation for kernel 4.14
11 * Fix: update writeback instrumentation for kernel 4.14
12 * Fix: update block instrumentation for kernel 4.14
13 * Fix: vmalloc wrapper on kernel < 2.6.38
14 * Fix: vmalloc wrapper on kernel >= 4.12
15 * Add kmalloc failover to vmalloc
16 * Fix: mmap: caches aliased on virtual addresses
17 * Fix: update ext4 instrumentation for kernel 4.13
19 2017-08-01 (World Wide Web Day) LTTng modules 2.10.0
20 * Fix: Sleeping function called from invalid context
21 * Fix: sched for v4.11.5-rt1
22 * Fix: handle missing ftrace header on v4.12
24 2017-06-12 (National Peanut Butter Cookie Day) LTTng modules 2.10.0-rc2
25 * Fix: pid tracker should track "pgid"
26 * Fix: Build ftrace probe on kernels prior to 4.12
27 * Fix: update ftrace probe for kernel 4.12
28 * Fix: update block instrumentation for kernel 4.12
29 * Fix: Add support for 4.9.27-rt18 kernel
30 * Fix: update btrfs instrumentation for kernel 4.12
31 * Fix: update ringbuffer for kernel 4.12
32 * Fix: update sched instrumentation for kernel 4.12
33 * Fix: ext3 was completely removed from the kernel in v4.3
34 * Fix: NULL pointer dereference of THIS_MODULE with built-in modules
35 * Fix: add "flush empty" ioctl for stream intersection
36 * Revert "Fix: flush empty packets on snapshot channel"
37 * Revert "Fix: don't perform extra flush on metadata channel"
39 2017-05-05 (International Tuba Day) LTTng modules 2.10.0-rc1
40 * Fix: remove CONFIG_KALLSYMS_ALL warning on clean
41 * Add RING_BUFFER_SNAPSHOT_SAMPLE_POSITIONS command
42 * Fix: Always build vmscan probe
43 * Cleanup: formatting in strutils_star_glob_match explanation
44 * Fix: introduce LTTNG_SIZE_MAX for older kernels
45 * Use SIZE_MAX instead of -1ULL for size_t parameter
46 * filter: use SIZE_MAX for size_t
47 * Fix: out of bound array access in filter code
48 * Add support for star globbing patterns in event names
49 * Filtering: add support for star-only globbing patterns
50 * Add string utilities
51 * lttng-abi.c: cleanup whitespaces
52 * Fix: use of uninitialized ret value in lttng_abi_open_metadata_stream
53 * Fix: kref changes for kernel 4.11
54 * Fix: atomic_add_unless() returns true/false rather than prior value
55 * Fix: timers cputime_t arguments replaced by ull in kernel 4.11
56 * Fix: update scsi instrumentation for kernel 4.11
57 * Fix: changes to the vm_op fault cb prototype in libringbuffer
58 * Fix: update btrfs instrumentation for kernel 4.11
59 * Fix: update mm_vmscan instrumentation for kernel 4.11
60 * Fix: section mismatch warning caused by __exit annotation
61 * socketpair: extend syscall socketpair tracing information
62 * Remove events/mainline unused headers
64 * Fix: nmi-safe clock on 32-bit systems
65 * Fix: only include linux/cpuhotplug.h for kernels >= 4.10
66 * Fix: 4.10 hotplug adaptation backward compat
67 * Fix: 4.10 btrfs instrumentation update backward compat
68 * Update btrfs instrumentation for 4.10 kernel
69 * Adapt lttng-modules to Linux 4.10 cpu hotplug state machine
70 * btrfs instrumentation: update to 4.10 kernel
71 * timer instrumentation: adapt to ktime_t without union
72 * Add load/unload messages to kernel log
73 * Update version to 2.10.0-pre
74 * Fix: asoc instrumentation for RHEL 7.3
75 * Fix: SCSI instrumentation for SLES12 SP2
76 * Add SUSE Linux Enterprise kernel version tests
77 * Filter code relicensing to MIT license
78 * Add task cpu in process statedump
79 * Performance: add missing unlikely in reserve
80 * Fix: preemptible and migratable context error handling
81 * Fix: bump stable kernel version ranges for clock work-around
83 2016-10-07 (National Frappé Day) LTTng modules 2.9.0-rc1
84 * Fix: i2c: support kernels < 3.15
85 * Fix: show warning for broken clock work-around
86 * Bump minor ABI version
87 * Fix: work-around upstream Linux timekeeping bug
88 * Add support for i2c tracepoints
89 * Cleanup: makefile version checks with single "ge"
90 * Performance: special-case NULL in lttng_strlen_user_inatomic
91 * Fix: lttng_inline_memcpy does not take a __user argument
92 * Performance: implement lttng_inline_memcpy
93 * Performance: cache the backend pages pointer in context
94 * Cleanup: libringbuffer: remove duplicate pointer chasing in slow paths
95 * Performance: Only dereference commit index once
96 * Performance: Mark channel and buffer event disabled check unlikely
97 * Performance: Relax atomicity constraints for crash handling
98 * Performance: mark ring buffer do_copy callers always inline
99 * Performance: mark lib_ring_buffer_write always inline
100 * Kconfig: select TRACEPOINTS when built-in
101 * Performance: disable event counting by default
102 * Fix: handle large number of pages or subbuffers per buffer
103 * Fix: unregister cpu hotplug notifier on buffer alloc error
104 * Fix: sa_family is of type unsigned short
105 * Fix: check for sizeof sa_family to save sa_family in accept and connect
106 * Fix: use printk_once() for wrapper warning messages
107 * Fix: btrfs instrumentation for 4.8 kernel
108 * Fix: update mm_vmscan instrumentation for kernel 4.8
109 * Fix: napi instrumentation for 4.8 kernels
110 * Fix: update block instrumentation to compile on 4.8 kernels
111 * Cleanup: reuse code in accept() and accept4() instrumentation
112 * Add x86-64 override for accept4 syscall
113 * Fix: timer wrapper: support kernels >= 4.8
114 * Performance: split check deliver fast/slow paths
115 * Fix: x86-64 accept instrumentation
116 * Fix: Add support for 4.6.4-rt8 kernel
117 * Fix: update scsi instrumentation for 4.7+ kernels
118 * Fix: Use fs_initcall instead of rootfs_initcall
119 * Fix: Add kernel configuration for lttng clock plugin
120 * Fix: the clock plugin must be initiated before first use of the clock
121 * Fix: tests/Kbuild for older kernels
122 * Cleanup: __dynamic_len_idx set but not used warning
123 * Cleanup: coding style and comments of net.h
124 * net: Add TCP header data to net_* tracepoints
125 * net: Add IPv4/IPv6 header data to net_* tracepoints
126 * Fix: endianness for the container type of enum
127 * enumeration autoincrement: use if/else logic
128 * Cleanup trailing whitespaces
129 * lttng-test probe: test ctf_enum_auto()
130 * Add ctf_enum_auto() for autoincrementing enumeration values
131 * Implement session statedump command
132 * Fix: annotate bytecode interpreter for kernel stack validator
133 * Update version to 2.9.0-pre
134 * Fix: ring buffer: honor switch parameter type in remote switch
135 * Fix: only flush non-metadata channels
136 * Fix: don't perform extra flush on metadata channel
137 * select, poll and epoll_wait overrides on ARM 32-bit
138 * Fix: flush empty packets on snapshot channel
139 * Fix: do not generate packet at destroy after stop
140 * Fix: compat ioctl for flush/get metadata version
141 * Fix: ctf_string() should handle NULL pointers
142 * Fix: portability: no arith on void pointer
143 * Fix: add missing tests/Kbuild
144 * Test clock override plugin
145 * Fix: add modules target to base Makefile
146 * Fix: make clean does not include dot-config
147 * Fix: trigger build error if CONFIG_TRACEPOINTS is not set
148 * Documentation: document that CONFIG_MODULES not required when builtin
149 * Fix: add missing errno include in random wrapper
150 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.16.35
151 * Fix: copy_from_user size when limited allocation
152 * Extract the payload of epoll_wait/epoll_pwait
153 * Extract the payload for epoll_ctl
154 * Extract the FDs and flags from poll and ppoll
155 * Extract the FD sets in select and pselect6
156 * Add ctf_integer_bitfield_type
157 * Implement enumeration type
158 * Implement custom field support
159 * Implement variant type
160 * Implement shadow stack for dynamic len
161 * libringbuffer: implement event too big API
162 * Implement structure, compound array/sequence types
163 * Fix: integer endianness metadata generation
164 * Fix: endianness of integers received by filter
165 * Fix: writeback probe on RHEL >= 3.10.0-327.10.1
166 * Fix: RHEL kernel 3.10.0-327.13.1 compat
167 * Fix: ctf_user_integer should not trigger page fault
168 * Fix: lib_ring_buffer_copy_from_user_inatomic error handling
169 * Add comment describing ioctl number duplication
170 * Fix: remove unused gfpflags.h from btrfs and compaction instrumentation
171 * Fix: Remove dead code from filter interpreter
172 * Fix: x86 kvm mmutrace instrumentation for kernel < 3.6
173 * Fix: mm_vmscan instrumentation: remove unused gfpflags.h include
174 * Fix: use of uninitialized ret value in lttng_abi_create_event
175 * Fix: kmem instrumentation: remove unused gfpflags.h include
176 * Fix: 4.6 kernel: use in_compat_syscall
177 * Fix: use BUG_ON instead of accessing array subscript above array bounds
178 * Fix: Add granularity to RHEL kernel version checks
180 2016-03-18 (Awkward Moments Day) LTTng modules 2.8.0-rc1
181 * Bump minor tracer ABI version
182 * Fix: build against out-of-tree kernel build
183 * probes/Kbuild: remove upper level header path
184 * Move leftover relative include paths to system paths
185 * syscall instrumentation: use system headers
186 * tracepoint event instrumentation: use system headers
187 * Use system include path in wrappers
188 * libs: use system include paths
189 * Use system header paths in core implementation files
190 * Use system include paths in root directory headers
191 * Use system include paths in probes
193 * Use system include paths in lttng-types.h
194 * Use system include paths in lttng-tracepoint-event-impl.h
195 * Use system include path in probes/define_trace.h
196 * Use system include paths in probes/lttng-tracepoint-event-impl.h
197 * Rename probes/lttng-events.h to probes/lttng-tracepoint-event-impl.h
198 * Add makefile directory to include path
199 * Fix: event ctx get size should be after chan ctx
200 * Fix: filter interpreter with userspace strings
201 * Fix: rename kvm x86 TRACE_SYSTEM to avoid name clash
202 * Fix: format address fields as hexadecimal
203 * PowerPC-64 ABIv1: add build error if KALLSYMS_ALL is missing
204 * Fix: system call instrumentation overrides
205 * Fix: page_alloc wrapper incorrect parenthesis
206 * Fix: system call tracing for arm-64 compat !CONFIG_UID16
207 * Fix: add struct user_msghdr forward declaration for older kernels
208 * Cleanup: Remove unused lttng-types module
209 * Fix: add missing versions and init call for page_alloc wrapper
210 * Fix: Define lttng-tracer metadata only once
211 * Fix: Add CONFIG_LTTNG to modules_install target
212 * Fix: Use kbuild env instead of a custom var KERNELDIR
213 * Update clock offset comment
214 * clock offset: print negative value in metadata
215 * Fix: handle negative clock offset
216 * Fix: sched instrumentation for 4.1-rt11
217 * Add RT patch version macros
218 * Expect filter context identifiers starting with $ctx.
219 * ARM64: wire up compat system calls
220 * Add support for arm64 syscalls
221 * Fix: Ubuntu kernel range for block_rq_complete
222 * Fix: Ubuntu kernel range for mm_page_alloc_extfrag
223 * Fix: update vmscan instrumentation for kernel 4.5
224 * Fix: check reference counts for overflow
225 * Fix: RHEL 7.2 scsi instrumentation
226 * Fix: RHEL 7.2 kvm instrumentation
227 * Kconfig: describe both module and in-kernel compilation options
228 * Add comments and indentation to Makefile
229 * Add support for built-in kernel build
230 * Rename sub makefiles to Kbuild
231 * Cleanup sub makefiles
232 * Make goals configurable with CONFIG_LTTNG
233 * Fix: Use generic raw_irqs_disabled_flags
234 * Fix: Use MAX_RT_PRIO offset in sched_wakeup_template
235 * Fix: update sched instrumentation for kernel 4.4.0
236 * Bump version number for development branch
237 * Fix: interruptible context: reversed logic
238 * Contexts for RT debugging
239 * Fix: instrumentation: v4lv2 missing include
240 * Fix: header size larger than 256 bytes
241 * Instrument x86 page faults
242 * Fix: irq_vectors TRACE_SYSTEM name
243 * Instrument x86_irq_vectors
244 * Fix: tracepoint listing misses last loaded probe
245 * Fix: lttng trace-clock needs to disable preemption
246 * Tracepoint event: add "TP_code_post()"
247 * Implement array and sequence bitfields
248 * Fix: kmem: add mm.h include
249 * Add page frame number (pfn) to kmem page events
250 * Use pfn rather than struct page in ring buffer array
251 * Implement clock plugin support
252 * Command to regenerate the metadata of a session
253 * Fix: writeback instrumentation update for 4.3 Linux kernel
254 * Fix: update sched wakeup instrumentation for 4.3 kernel
255 * Fix: lttng-test build failure for kernels < 3.0
256 * Use 3.18 syscall instrumentation for MIPS32
257 * Update the MIPS32 syscall instrumentation to 3.18
258 * Fix: Move pipe override to the arch specific pointers_override.h
259 * Implement lttng test module
260 * Cleanup: remove logically dead code
261 * Fix: filter validator use after free
262 * Fix: use after free in channel release
263 * Fix: non-enabler events should be disabled by default
264 * Fix: build failure on 2.6.36
265 * Cleanup: split bdi_dirty_ratelimit with ifdef into separate macros
266 * Fix: writeback instrumentation for 4.2 kernels
267 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.18.10
268 * Add stream instance id to the packet header
269 * Add a packet sequence number
270 * Fix: kmem probe with Ubuntu 3.13 kernels
271 * Fix: disable kvm probe if lapic.h isn't found
272 * Fix: timer instrumentation for 4.2 kernels
273 * Fix: ext4 instrumentation for 4.2 kernels
274 * Fix: kvm instrumentation for 4.2 kernels
275 * Fix: allow LTTng to be built within kernel tree
277 2015-07-15 (Pet Fire Safety Day) LTTng modules 2.7.0-rc1
278 * Fix: Building the event list fails on fragmented memory
279 * Fix: use after free on metadata cache reallocation
280 * Fix: version checks for kernel 4.0
281 * Fix: Incorrect Ubuntu kernel patchlevel
282 * Fix: cpu-id context should use int type
283 * Implement cpu-id context
284 * Implement cpu_id context for filtering
285 * Fix: context printk mismatch on error
286 * Cleanup: misleading comment about deferrable timer
288 * Fix: Update kmem event for Ubuntu's 3.16 kernel
289 * Fix: RHEL 7.1 block instrumentation
290 * Fix: add RHEL version macros
291 * Fix: add missing parenthesis in ubuntu version check
292 * Fix: remove regmap instrumentation for kernels < 4.1
293 * Fix: Update kmem event for recent Ubuntu kernel
294 * Fix: missing statedump end event when block device listing available
295 * Fix: don't generate incorrect macros for debian/ubuntu version check
296 * Revert "Fix: build against Ubuntu kernels"
297 * Fix: build against Ubuntu kernels
298 * Add namespace info in sched_fork and statedump
299 * Fix: ext4 instrumentation: flags parameter did not exist prior to 3.11
300 * Fix: printk instrumentation: remove "condition" tracepoints
301 * Fix: regmap build against kernel 4.0 kernel headers
302 * Add mmu_valid_gen field to mmutrace events
303 * Fix: add missing x86 mmutrace kernel header include
304 * Fix: x86 mmutrace event extra field for kernels >= 3.11
305 * Fix: remove execute flag from kvm.h file
306 * Fix: build x86 kvm probes on kernels >= 4.1-rc1
307 * Fix: compilation on 4.1-rc1 kernel, remove unused WB_WORK_REASON
308 * Fix: 4.1-rc1 Linux build and regmap instrumentation
309 * Fix: don't clash with older Debian kernel versions
310 * Fix: update get_pfnblock_flags_mask wrapper for debian kernels
311 * Fix: discover Debian API
312 * Fix: Update README.md to match reality: kernels >= 2.6.36 are supported
313 * Fix: atomic.h wrapper for kernels < 2.6.37
314 * Fix: disable x86 kvm instrumentation for kernels < 2.6.38
315 * Fix: add missing types.h include for older kernels
316 * Fix: add hlist lttng wrappers
317 * Fix: add struct file_handle forward declaration
318 * Fix: string length calculation reversed user vs kernel args
319 * Fix: use lttng_rcu_dereference within lttng-syscalls.c
320 * Fix: add lttng rcu wrapper to allow tracing RCU
321 * Fix: double-unlock of session mutex
322 * Fix: check that class and instance prototype match
323 * Fix: lttng-events.h check function takes void
324 * Fix: regmap instrumentation for Linux 3.19.4 and 4.0
325 * Fix: kernels >= 2.6.33 put utsrelease.h in generated/
326 * Fix: Include utsrelease.h in lttng-kernel-version.h
327 * Fix: ext4 ext4_da_write_pages instrumentation for kernels < 3.11.0
328 * Fix: old kernels need module.h included before vermagic.h
329 * Fix: net instrumentation for kernels 2.6.39 and below
330 * Fix: version condition in makefile
331 * Implement wrapper around get_pfnblock_flags_mask
332 * Be more restrictive in provider name check
333 * Fix: net instrumentation namespacing
334 * Fix: compaction instrumentation namespacing
335 * Fix: Support 4.x kernel versions in Makefile
336 * Fix: remove stale TP_STRUCT_entry from kvm instrumentation
337 * Fix: add missing module.h include to lttng-probe-user.c
338 * Fix: use lttng hlist wrapper in wildcard and filter
339 * Fix: namespace asoc and kmem instrumentation
340 * Fix: update instrumentation after wildcard rebase
341 * Fix: lttng_abi_syscall_list does not need to be exported
342 * Migrate ARM, powerpc, MIPS syscall instrumentation to TP_FIELDS
343 * Remove now unused syscalls.h from lttng-modules
344 * Filter: start with enabler "disabled"
345 * Fix coverity warning about sizeof(void **) != sizeof(void *)
346 * Fix length type and text sequence base
347 * Fix: TP_FIELDS: add missing headers
348 * Migrate syscall instrumentation to TP_FIELDS
349 * Migrate tracepoint instrumentation to TP_FIELDS
350 * Implement filtering infrastructure
351 * syscall wildcards: apply syscall filtering
352 * Implement syscall wildcard support
353 * Implement tracepoint wildcard support
354 * Namespace all tracepoints
355 * Implement list.h wrapper for hlist in older kernels
356 * Implement listing of pid tracker content
357 * Implement PID tracking
358 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.14.36
359 * Fix: update writeback instrumentation for kernel 4.0+
360 * Fix: compaction mm_compaction_isolate_template update for Linux 4.0+
361 * Fix: kmem instrumentation update for mm_page_alloc_extfrag kernel 3.19.2+
362 * Fix: kmem instrumentation: mm_page_alloc extfrag change_ownership field
363 * Fix: missing parenthesis in offset_align_floor
364 * Fix: implement time.h wrapper for FD_ISSET
365 * Fix: update sched instrumentation for 3.19+ kernels
366 * Fix: update rcu instrumentation for 3.19+ kernels
367 * Fix: update scsi instrumentation for 3.19+ kernels
368 * Fix: update module instrumentation for 3.19+ kernels
369 * Fix: Add f_dentry wrapper for 3.19+ kernels
370 * Fix: introduce lttng_get_unused_fd() wrapper for 3.19 kernels
371 * Fix: lttng_this_cpu_ptr wrapper for kernel 3.19+
372 * Fix: Update btrfs instrumentation for 3.18 Linux kernel
373 * Fix compile error on kernel 3.0.101 with CONFIG_PERF_EVENTS
374 * Conditional compilation introduced by lttng-modules commit
375 * Fix: compaction instrumentation update for 3.14.x stable kernels
376 * Fix: context alignment not properly handled
377 * Fix compilation on Linux kernel >= 3.18.0
378 * Fix: build for architectures without HAVE_SYSCALL_TRACEPOINTS
380 2014-10-20 LTTng modules 2.6.0-rc1
381 * Expose lttng-modules ABI version ioctl
382 * Fix: syscall list ioctl number conflict
383 * lttng-modules: fix build for non-x86
384 * Fix: syscall listing of session
385 * Print build warning when writeback probe is disabled
386 * Add atomic.h wrapper for before/after atomic
387 * Fix compilation on Ubuntu 14.10
388 * Fix: export name as text array in writeback
389 * Cleanup: remove unused trace_clock_read32()
390 * Use 3.17 ktime_get_mono_fast_ns() new API
391 * Check for stale version.h files
392 * Fix: compile lttng_statedump_process_ns on Ubuntu
393 * Reverse version check logic in lttng_statedump_process_ns
394 * Fix block_rq_complete TP on Ubuntu kernel
395 * Introduce macros to check Ubuntu kernel version
396 * Sync writeback tracepoints from mainline
397 * Fix: redefinition of DEFINE_WRITEBACK_EVENT
398 * Fix: hander negative get_syscall_nr return value
399 * Fix: statedump: close_on_exec flag backward compat
400 * Fix instrumentation of vmscan for older kernels
401 * Fix: older kernels (3.2.x) don't undefine TRACE_SYSTEM
402 * Fix: syscall listing: handle "enable all syscall"
403 * Fix: don't allow disabling syscalls when none are enabled
404 * Fix: syscall: fail disable all if all already disabled
405 * Fix: syscall filtering: NULL pointer deref
406 * Cleanup: list syscall without syscall_entry prefix
407 * Fix: syscall_list_show NULL pointer deref
408 * implement syscall mask getter
409 * Cleanup: lttng-abi.h coding style
410 * syscall listing: show syscall ID
411 * Allow events with same name to be enabled for each channel
412 * ABI: use enable a syscall ABI field name
413 * Implement syscall listing
414 * Fix: tracepoint list anonymous file name
415 * Fix: syscall filtering: disable all syscalls
416 * syscall tracing: input/output parameter handling for all arch
417 * lttng-get-syscall-inout.sh depends on bash
418 * Fix generate syscall header script: add missing escape char
419 * syscall instrumentation: handle copy_from_user return value
420 * Rename LTTng syscall instrumentation macros
421 * Rename LTTng instrumentation macros
422 * Extract input/output arguments from accept and connect syscalls
423 * syscall: extract pipe and pipe2 output args
424 * Remove sys_ prefix from syscall names
425 * System call inout/output arg processing
426 * Update syscall inout table
427 * Add syscall inout table
428 * Extract syscall exit ret value on x86 32/64
429 * Extract system call exit return value
430 * Syscall filtering: apply to syscall exit
431 * System call filtering
432 * asoc.h: fix build with v3.17 kernel
433 * Fix: lttng-modules teardown NULL pointer OOPS
434 * Fix: handle concurrent flush vs get_next_subbuf on metadata cache
435 * Modernize README using Markdown
436 * Fix: OOT lttng_logger tracepoint not visible with signed kernels
437 * Add cscope to gitignore
438 * Update kvm instrumentation: compile on 3.17-rc1
439 * Update statedump to 3.17 nsproxy locking
440 * Fix: noargs probes should calculate alignment and event length
441 * Update compaction instrumentation to 3.16 kernel
442 * Update vmscan instrumentation to 3.16 kernel
444 2014-07-16 (Take Your Poet to Work Day) LTTng modules 2.5.0
447 2014-06-27 LTTng modules 2.5.0-rc2
448 * Fix: statedump: check whether "files" is NULL, RCU semantic fix
449 * Fix: statedump handle oom case, handle errors
450 * Fix: correct typo in kernel version number
451 * Fix: blktrace instrumentation for backported branches
452 * Fix: statedump block devices OOPS
454 2014-05-28 (International Hamburger Day) LTTng modules 2.5.0-rc1
455 * Add TID field to some block_* events
456 * Fix: refuse overwrite mode buffers with less than two subbuffers
457 * Fix: lttng modules system call generation script
458 * Dump FD flags and mode on state dump
459 * Fix: incorrect rwbs field type in block_bio_queue
460 * Fix: blktrace instrumentation for v3.2.58+ stable branch
461 * Fix: pass proper args when writing commit counter
462 * Cleanup: lib ringbuffer: pagecpy has unsigned semantic
463 * Fix: allow racy tracepoint string input from kernel and userspace
464 * Statedump event for block devices
465 * Fix: update v4l2 instrumentation to 3.15 kernel
466 * Fix: ext4 update instrumentation to 3.15 kernel
467 * Fix: update block instrumentation to 3.15 kernel
468 * Fix: module instrumentation: update to 3.15 kernel
469 * Adapt to 3.15 tracepoint API
470 * Kernel 3.15 don't define map unmap for pipe
471 * Fix: add missing module version in v4l2 probe
472 * Add V4L2 instrumentation
473 * Fix: rcu instrumentation: add const qualifier to char pointers
474 * Fix: add missing module version information
475 * Use kernel 3.13 syscall tables for MIPS32
476 * Add MIPS32 syscalls extracted from a 3.13 kernel
477 * Fix: block instrumentation: < 3.14 don't have bi_iter
478 * Fix: update btrfs instrumentation to kernel 3.14
479 * Fix: update block layer instrumentation to kernel 3.14
480 * Fix: remove __exit annotation
481 * Fix file permissions for lttng-statedump-impl.c
484 2014-02-28 (Public Sleeping Day) LTTng modules 2.4.0
485 * Fix: load state dump even if work-around lookup fails
486 * Cleanup: fix comment
487 * Fix: correctly version kvm events to build against v3.0 kernel
488 * Add extraversion (e.g. -rc4) to lttng-tracer modinfo
490 2014-02-14 LTTng modules 2.4.0-rc4
491 * Fix: use after free in ring buffer clients
492 * Fix: Add statedump exit so module is not permanent
493 * Cleanup: move callback init to static initialization
494 * Fix: OOT lttng-statedump tracepoints not visible with signed kernels
496 2014-01-29 LTTng modules 2.4.0-rc3
497 * Fix: tracepoint event name mapping at unregister
498 * Fix: tracepoint name remapping
499 * Fix: enable event error path memory corruption
500 * Update kvm instrumentation to Linux 3.13
501 * Update sched instrumentation to Linux 3.13
502 * Fix: provide more precise error report for enable event
503 * Fix: quote event name in metadata
504 * Add version info to lttng-tracer.ko modinfo
506 2013-12-10 LTTng modules 2.4.0-rc2
507 * Fix: client_packet_header() uses wrong packet
508 * Cleanup: fix typo in ring buffer backend comment
509 * Fix: handle unknown event type parameter
510 * Fix: eliminate timestamp overlap between packets
511 * gcc blacklist: only apply when building with gcc
512 * Blacklist ARM gcc 4.8.0, 4.8.1, 4.8.2
514 2013-11-15 LTTng modules 2.4.0-rc1
515 * Update ext4 instrumentation to Linux 3.12
516 * Update RCU instrumentation to Linux 3.12
517 * Update btrfs instrumentation to 3.12 kernel
518 * Update vmscan instrumentation to Linux 3.12
519 * update: kmem instrumentation 3.12 kernel support
520 * lttng-statedump-impl: Use generic hard irqs for Linux >= 3.12
521 * lttng-statedump-impl: Fix lttng_list_interrupts for empty implementation
522 * Import fix from LTSI: 3.4+ RT kernels use CONFIG_PREEMPT_RT_FULL
523 * Add new tracepoint in KVM
524 * Blacklist kernels 3.10.13 and 3.11.2
525 * LTTng trace-clock: shrink kernel blacklist
526 * Metadata flush writes data from the cache
527 * Per-stream ioctl to get the current timestamp
528 * LTTng ringbuffer ABI calls for index generation
529 * Prepare LTTng override of ring buffer fops
530 * Blacklist Linux kernels 3.10+
532 2013-09-03 LTTng modules 2.3.0
533 * Fix: metadata stream should not reference session
534 * Fix: btrfs: support 3.11 Linux kernel
535 * statedump: remove KERN_DEBUG messages
536 * Fix: ext4: add missing tracepoints for 3.11 kernel
537 * Fix: ext4: Linux 3.11 support
538 * Fix: ext3: 3.11 Linux support
539 * Fix: statedump nsproxy 3.11 Linux support
541 2013-08-30 LTTng modules 2.3.0-rc2
542 * Fix: metadata lttng channel refcount
543 * README: lttng-modules incompatible with lttng 0.x patchset
545 2013-07-17 LTTng modules 2.3.0-rc1
546 * Fix: kvm x86 probes side-effect
547 * Fix: allow get/put subbuf in loop for metadata stream
548 * Add support for kvm x86 specific tracepoints
549 * Add mainline headers for kvm x86 tracepoints
550 * Remove old 3.0.4 x86-64 extracted syscall info
551 * Point the x86-64 overrides to newly extracted 3.10-rc7 files
552 * Add syscalls extracted files from a 3.10-rc7 kernel
553 * Improve documentation of the syscall extractor script
554 * Fix: double length of __dynamic_len array
555 * Fix printk instrumentation
556 * Introduce __dynamic_array_enc_ext_2() and tp_memcpy_dyn_2()
557 * Fix: ring buffer: get_subbuf() checks should be performed on "consumed" parameter
558 * Fix: SWITCH_FLUSH new sub-buffer checks
559 * Fix: ring buffer: handle concurrent update in nested buffer wrap around check
560 * Cleanup: lib_ring_buffer_switch_new_end() only calls subbuffer_set_data_size()
561 * Revert "Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()"
562 * Fix: handle writes of length 0
563 * Fix: ring buffer: RING_BUFFER_FLUSH ioctl buffer corruption
564 * Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()
565 * print warning and return -EBUSY on double get_subbuf()
566 * Add header to fix compilation of syscalls-extractor on 3.9 kernel
567 * Fix: don't do 0 byte event reservation
568 * Document that payload size need to be greater than 0
569 * Fix build and load against linux-2.6.33.x
570 * Fix: add missing CONFIG_COMPAT around lib_ring_buffer_compat_ioctl
571 * Metadata cache and multiple metadata channels
572 * fix block instrumentation probe signature mismatch for 3.9.x kernels
573 * fix: block instrumentation: NULL pointer dereference
574 * Update rcu instrumentation to 3.9.[0-4]
575 * Fix CPU hotplug section mismatches
576 * Add system calls definitions for powerpc-32
577 * Remove bashism in lttng-syscalls-generate-headers.sh
578 * Update ARM (32 bit) syscall tracepoints to 3.4
580 2013-05-09 LTTng modules 2.2.0-rc2
581 * Remove useless lttng_metadata probe
582 * Fix: warning kvm_trace_exit_reason redefined for 3.9 kernel
583 * Fix: 3.9.0 block layer instrumentation build
584 * Revert "Stop build if CONFIG_TRACEPOINTS is not set"
585 * Stop build if CONFIG_TRACEPOINTS is not set
586 * Add comments to endifs.
587 * Fix: remove ARM set_tls system call override
588 * Cleanup: arm sys_mmap whitespace
589 * Clean up using global_dirty_limit wrapper for writeback probe
591 2013-03-29 LTTng modules 2.2.0-rc1
593 * Fix: vmscan instrumentation build
594 * writeback instrumentation: remove duplicated structures
595 * block: update instrumentation to 3.9 rc kernel
596 * rcu: update to 3.9 rc kernel instrumentation
597 * workqueue instrumentation: remove duplicated structures
598 * Rename odd event names
599 * Introduce API to remap event names exposed by LTTng
600 * lttng-module: sched.h: Fix compilation on 3.9 kernel
601 * Fix Linux 3.8 btrfs probe warning
602 * Fix Linux 3.8 ext4 probe support
603 * Fix 3.8 kernel support: namespace lttng_is_signed_type()
604 * Fix: don't flush-final for offset 0 if reader is on sub-buffer
605 * instrumentation sched: add missing fork pid info
606 * Fix check in lttng_strlen_user_inatomic
607 * instrumentation: sync with Linux commit a1ce392
608 * Fix: statedump: missing locking, use lttng_iterate_fd
609 * Implement lttng_iterate_fd wrapper
610 * Instrumentation cleanup: kmem events should print hex pointers
611 * Fix compilation of ext4 and btrfs tracepoints on 2.6.40 kernels
612 * Fix: statedump hang/too early completion due to logic error
613 * Fix: statedump hang due to incorrect wait/wakeup use
614 * put_ulong calls in lib_ring_buffer_compat_ioctl() should be compat
615 * wrapper/perf.h: Fix kernel version condition
616 * Add new kernel probes instrumentation
617 * Update kernel probes to more detailed match to kernel versions
618 * Fix possible kernel build errors with linux-patches
619 * Add missing MIT license text to 3 files under this license
620 * Update sites using kernel version checking macro to new range
621 * Make upper bound of kernel version checking macro exclusive
622 * sock instrumentation: fix fields to get referenced values
623 * ext3 instrumentation: fix of assignment code conversion
624 * sched instrumentation: rename "pid" fields in sched_process_exec
625 * Remove remaining semicolons in TP_fast_assign blocks
626 * Fix compilation for 3.0 kernels that are named 2.6.40
627 * Fix compilation for 3.0 branch (>= 3.0.39)
628 * Add kernel version checking macro
629 * Remove semicolons in TP_fast_assign blocks
630 * Add ifdefs to net probe to support Linux 2.6.39
631 * Add kernel probes for supplementary subsystems
632 * Check if interrupt action name is not null in statedump
633 * Fix exec instrumentation: only for kernels 3.4.0 and higher
634 * Add TRACE_EVENT(sched_process_exec) to sched.h
635 * lib/ringbuffer/frontend_api.h: Include linux/prefetch.h.
636 * Fix warning with 3.6.0 kernel
637 * ABI with support for compat 32/64 bits
638 * Perform calculation on bit size in 64-bit
639 * Use uint64_t for packet header content size and packet size
640 * Fix: compat layer only on supported architectures
641 * Fix ring buffer 32/64 bits compat
642 * Fix cleanup: move lttng-tracer-core.h include to lib ringbuffer config.h
643 * Fix ring_buffer_frontend.c: missing include lttng-tracer-core.h
644 * Fix: statedump missing check for NULL namespace
646 2012-09-10 LTTng modules 2.1.0-rc1
647 * fix timestamps on architectures without CONFIG_KTIME_SCALAR
648 * Support for linux kernels 2.6.32 through 2.6.37
649 * Document limitation of vppid and ppid context wrt eventual RCU instrumentation
650 * Cleanup: no need to hold RCU read-side lock when reading current nsproxy
651 * Add env hostname information
652 * Fix: lttng_statedump_process_state for each PID NS has infinite loop
653 * lttng_statedump_process_state for each PID NS
654 * Support the hostname context
655 * Fix: statedump namespaced pid, tid and ppid
656 * Fix: statedump: disable vm maps enumeration
657 * Fix: ensure userspace accesses are done with _inatomic
658 * Fix: vppid context should test for current nsproxy
659 * Add MIPS system call support
660 * Change mode of lttng-syscalls-generate-headers.sh to 755
661 * cleanup: fix typo in syscall instrumentation header
662 * Cleanup: remove trailing whitespace in README
663 * trace event: introduce TP_MODULE_NOAUTOLOAD and TP_MODULE_NOINIT
664 * LTTng: probe-statedump: add #include <linux/sched.h>
665 * fix: signal_generate event should print utf8 for comm field
666 * Makes write operation a parameter for tp_memcpy macro
667 * Add coding style document
668 * Update instrumentation/events README file
669 * Add makefile target for preprocessor
670 * Fix: free_event_id check should compare unsigned int with -1U
671 * Use unsigned long type for events discarded counter
672 * Fix: update signal instrumentation for 3.4 kernel
673 * LTTng Modules ARM syscall instrumentation
674 * Fix: generate header missing echo -e for escape chars
675 * Fix: add missing uaccess.h include (for ARM)
676 * README: Document that CONFIG_MODULES is required
678 * Fix: document required and optional kernel config options in README
680 2012-03-29 LTTng modules 2.0.1
681 * Fix: is_compat_task !CONFIG_COMPAT compile error on kernels >= 3.3
683 2012-03-20 LTTng modules 2.0.0
684 * First STABLE version
687 2012-03-20 LTTng modules 2.0.0-rc4
688 * Update README and add version name place-holder
690 2012-03-16 LTTng modules 2.0.0-rc3
691 * Fix clock offset 32-bit multiplication overflow
692 * Fix : wrong assign of fd in state dump
693 * License cleanup, ifdef namespace cleanup
694 * Fix: ensure power of 2 check handles 64-bit size_t entirely
696 2012-03-02 LTTng modules 2.0.0-rc2
697 * Fix: dmesg printout should not print metadata warnings
698 * Fix: use transport name as channel name
699 * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_subbuf
701 2012-02-20 LTTng modules 2.0.0-rc1
702 * Standardize version across toolchain
703 * statedump: Use old macro name for kernel 2.6.38
705 2012-02-16 LTTng modules 2.0-pre15
706 * Add timer instrumentation
707 * fix: need to undef mainline define
708 * fix: Include signal.h instead of irq.h for prototype match check
709 * Add signal instrumentation
711 2012-02-16 LTTng modules 2.0-pre14
712 * syscall tracing: sys_getcpu
713 * Add sys_clone x86 instrumentation
714 * statedump: fix include circular dep
715 * Implement state dump
717 2012-02-09 LTTng modules 2.0-pre13
719 * environment: write sysname, release, version, domain to metadata
720 * Allow open /proc/lttng for read & write
722 2012-02-02 LTTng modules 2.0-pre12
723 * Add x86 32/64 execve syscall instrumentation override
724 * Remove unused defines
726 * Use LTTNG_KERNEL_SYM_NAME_LEN
727 * Update version to 1.9.9
728 * Add missing double-quotes to clock uuid
729 * clock: read bootid as clock monotonic ID
732 * clock: output clock description in metadata
733 * Properly fix the timekeeping overflow detection
735 * rename lib-ring-buffer to lttng-lib-ring-buffer
737 * Mass rename: ltt_*/ltt-* to LTTNG_*/LTTNG-*
740 * Remove debugfs file (keep only proc file)
741 * Rename lttng-debugfs-abi files to lttng-abi
743 2011-12-13 LTTng modules 2.0-pre11
744 * Fix OOPS caused by reference of config pointer
745 * Gather detailed info from x86 64 32-bit compat syscall instrumentation
746 * lttng lib: ring buffer move null pointer check to open
747 * lttng lib: ring buffer remove duplicate null pointer
748 * lttng lib: ring buffer: remove stale null-pointer
749 * lttng wrapper: add missing include to kallsyms wrapper
750 * lttng: cleanup one-bit signed bitfields
752 * Update symbol name length max size to 256
753 * Fix last modifications to string_from_user operations
754 * Document that depmod needs to be executed by hand
755 * Fix strlen_user fault space reservation
756 * Fix tp_copy_string_from_user handling of faults
757 * Disable block layer tracing support for kernels < 2.6.38
758 * lttng context: perf counter, fix 32-bit vs 64-bit field size bug
759 * Update trace clock warning to match the current development plan
760 * ringbuffer: make ring buffer printk less verbose
761 * Makefile: do not run depmod manually
763 2011-09-30 LTTng modules 2.0-pre10
764 * x86-32: override sys_mmap syscall instrumentation
767 2011-09-29 LTTng modules 2.0-pre9
768 * x86 32 syscalls: fix !CONFIG_UID16
769 * Use __string_from_user
770 * Add __string_from_user
771 * Rename "comm" context to "procname"
772 * Fetch "type" name field for mount syscall
773 * Create common override file for all architectures
774 * Shrink stack size usage
775 * Cleanup: remove unused lttng-compat-syscalls.c file
776 * Support detailed compat syscalls on x86_64
778 * Add disabled compat syscalls detail (work in progress)
779 * Add config compat support for detailed x86_32 syscalls
780 * Handle newer 3.1+ perf API
781 * Add dummy x86-32 override headers
782 * Bind x86-32 syscall headers
783 * Add x86-32 syscall headers
784 * Add check for KALLSYMS_ALL in syscall extraction script
785 * Automate string extraction for syscalls
786 * Automate syscall filename/pathname extraction
787 * Add exit to ring_buffer_frontend so module is unloadable
788 * Add sys_open filename (x86_64)
789 * Add missing memcpy callback
790 * copy_from_user and memset
791 * Add missing alignment after header write
792 * lib ring buffer: add frontend init as module_init
793 * lib ring buffer frontend: add missing lock initialization
794 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address (missing file)
795 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address
796 * Create override for sys_mmap
797 * Rename syscalls -> syscall in LTTng ABI
798 * Use different event name for compat syscalls
799 * Allow trace syscall table override
800 * Add dummy override files
801 * syscall detail: add override capability
802 * Add pointer pretty-print heuristics
804 * Rename sys exit errno into ret
805 * Enable detailed syscalls only for native x86_64
806 * Use "unknown" for compat syscalls
807 * Disable x86-64 specific detailed syscalls for now, until we deal with 32-bit compat
810 * Only enable detailed syscalls for x86_64 for now
811 * Merge unknown syscall method with extended detail method
812 * Add underscore prefix before event names
813 * Add syscalls pointers detailed syscall tracing
814 * Use perl for regexp
815 * Support generation of syscall probes for those with pointers
816 * Support detailed syscalls with 0 arguments
817 * detailed syscall tracing (work in progress)
818 * Expose /proc/lttng file
819 * Implement detailed syscall event probe
820 * Disable perf build for < 2.6.33 kernels
821 * Syscall detail mode: generate syscall table
822 * block instrumentation: write cmd as hex sequence
823 * lttng-events TRACE_EVENT generator cleanup
824 * block layer instrumentation: fix cmd field
825 * Remove 0 args syscalls for now from type-aware syscall cb generator
826 * Generate trace syscall table macros
827 * Put syscall tracing without arg types back in place
828 * Detailed system call tracing (TRACE_EVENT() generation for integer support)
829 * lttng events probes: don't clash with "ctx" variable name
830 * lib ring buffer must take private pointer copy before decrementing refcount
832 2011-08-16 LTTng modules 2.0-pre8
833 * Fix metadata buffer wait/wakeup
835 2011-08-12 LTTng modules 2.0-pre7
836 * Add missing module refcount to lttng_tracepoint_list_fops
837 * Add license info about lib/ringbuffer/ring_buffer_mmap.c being GPLv2
projects / lttng-modules.git / blob