Version 2.9.6
[lttng-modules.git] / ChangeLog
CommitLineData
2e8be614
MD
12017-11-03 (National Sandwich Day) LTTng modules 2.9.6
2 * Fix: lttng-logger get_user_pages_fast error handling
3
c541df89
MD
42017-10-05 LTTng modules 2.9.5
5 * Fix: update block instrumentation for 4.14 kernel
6 * Revert "Fix: update block instrumentation for kernel 4.14"
7
c09ff1b2
MD
82017-10-03 (National Techies Day) LTTng modules 2.9.4
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
18 * Fix: Sleeping function called from invalid context
19 * Fix: sched for v4.11.5-rt1
20 * Fix: handle missing ftrace header on v4.12
21
f783d427
MD
222017-06-12 (National Peanut Butter Cookie Day) LTTng modules 2.9.3
23 * Fix: pid tracker should track "pgid"
24 * Fix: Build ftrace probe on kernels prior to 4.12
25 * Fix: update ftrace probe for kernel 4.12
26 * Fix: update block instrumentation for kernel 4.12
27 * Fix: Add support for 4.9.27-rt18 kernel
28 * Fix: update btrfs instrumentation for kernel 4.12
29 * Fix: update ringbuffer for kernel 4.12
30 * Fix: update sched instrumentation for kernel 4.12
31 * Fix: ext3 was completely removed from the kernel in v4.3
32 * Fix: NULL pointer dereference of THIS_MODULE with built-in modules
33 * Fix: add "flush empty" ioctl for stream intersection
34 * Revert "Fix: flush empty packets on snapshot channel"
35 * Revert "Fix: don't perform extra flush on metadata channel"
36 * Fix: remove CONFIG_KALLSYMS_ALL warning on clean
37
f1450965
MD
382017-04-25 (National Zucchini Bread Day) LTTng modules 2.9.2
39 * Fix: Always build vmscan probe
40 * Fix: use of uninitialized ret value in lttng_abi_open_metadata_stream
41 * Fix: kref changes for kernel 4.11
42 * Fix: atomic_add_unless() returns true/false rather than prior value
43 * Fix: timers cputime_t arguments replaced by ull in kernel 4.11
44 * Fix: update scsi instrumentation for kernel 4.11
45 * Fix: changes to the vm_op fault cb prototype in libringbuffer
46 * Fix: update btrfs instrumentation for kernel 4.11
47 * Fix: update mm_vmscan instrumentation for kernel 4.11
48 * Fix: section mismatch warning caused by __exit annotation
49
5eade9b9
MD
502017-02-17 (National Cabbage Day) LTTng modules 2.9.1
51 * Fix: nmi-safe clock on 32-bit systems
52 * Fix: only include linux/cpuhotplug.h for kernels >= 4.10
53 * Fix: 4.10 hotplug adaptation backward compat
54 * Adapt lttng-modules to Linux 4.10 cpu hotplug state machine
55 * Fix: 4.10 btrfs instrumentation update backward compat
56 * Update btrfs instrumentation for 4.10 kernel
57 * btrfs instrumentation: update to 4.10 kernel
58 * timer instrumentation: adapt to ktime_t without union
59 * Fix: asoc instrumentation for RHEL 7.3
60 * Fix: SCSI instrumentation for SLES12 SP2
61 * Add SUSE Linux Enterprise kernel version tests
62
14979eda
MD
632016-11-29 (National Square Dance Day) LTTng modules 2.9.0
64 * Performance: add missing unlikely in reserve
65 * Fix: preemptible and migratable context error handling
66
a5de5832
MD
672016-10-13 (International Day for Failure) LTTng modules 2.9.0-rc2
68 * Fix: bump stable kernel version ranges for clock work-around
69
f8af63a2
MD
702016-10-07 (National Frappé Day) LTTng modules 2.9.0-rc1
71 * Fix: i2c: support kernels < 3.15
72 * Fix: show warning for broken clock work-around
73 * Bump minor ABI version
74 * Fix: work-around upstream Linux timekeeping bug
75 * Add support for i2c tracepoints
76 * Cleanup: makefile version checks with single "ge"
77 * Performance: special-case NULL in lttng_strlen_user_inatomic
78 * Fix: lttng_inline_memcpy does not take a __user argument
79 * Performance: implement lttng_inline_memcpy
80 * Performance: cache the backend pages pointer in context
81 * Cleanup: libringbuffer: remove duplicate pointer chasing in slow paths
82 * Performance: Only dereference commit index once
83 * Performance: Mark channel and buffer event disabled check unlikely
84 * Performance: Relax atomicity constraints for crash handling
85 * Performance: mark ring buffer do_copy callers always inline
86 * Performance: mark lib_ring_buffer_write always inline
87 * Kconfig: select TRACEPOINTS when built-in
88 * Performance: disable event counting by default
89 * Fix: handle large number of pages or subbuffers per buffer
90 * Fix: unregister cpu hotplug notifier on buffer alloc error
91 * Fix: sa_family is of type unsigned short
92 * Fix: check for sizeof sa_family to save sa_family in accept and connect
93 * Fix: use printk_once() for wrapper warning messages
94 * Fix: btrfs instrumentation for 4.8 kernel
95 * Fix: update mm_vmscan instrumentation for kernel 4.8
96 * Fix: napi instrumentation for 4.8 kernels
97 * Fix: update block instrumentation to compile on 4.8 kernels
98 * Cleanup: reuse code in accept() and accept4() instrumentation
99 * Add x86-64 override for accept4 syscall
100 * Fix: timer wrapper: support kernels >= 4.8
101 * Performance: split check deliver fast/slow paths
102 * Fix: x86-64 accept instrumentation
103 * Fix: Add support for 4.6.4-rt8 kernel
104 * Fix: update scsi instrumentation for 4.7+ kernels
105 * Fix: Use fs_initcall instead of rootfs_initcall
106 * Fix: Add kernel configuration for lttng clock plugin
107 * Fix: the clock plugin must be initiated before first use of the clock
108 * Fix: tests/Kbuild for older kernels
109 * Cleanup: __dynamic_len_idx set but not used warning
110 * Cleanup: coding style and comments of net.h
111 * net: Add TCP header data to net_* tracepoints
112 * net: Add IPv4/IPv6 header data to net_* tracepoints
113 * Fix: endianness for the container type of enum
114 * enumeration autoincrement: use if/else logic
115 * Cleanup trailing whitespaces
116 * lttng-test probe: test ctf_enum_auto()
117 * Add ctf_enum_auto() for autoincrementing enumeration values
118 * Implement session statedump command
119 * Fix: annotate bytecode interpreter for kernel stack validator
120 * Update version to 2.9.0-pre
121 * Fix: ring buffer: honor switch parameter type in remote switch
122 * Fix: only flush non-metadata channels
123 * Fix: don't perform extra flush on metadata channel
124 * select, poll and epoll_wait overrides on ARM 32-bit
125 * Fix: flush empty packets on snapshot channel
126 * Fix: do not generate packet at destroy after stop
127 * Fix: compat ioctl for flush/get metadata version
128 * Fix: ctf_string() should handle NULL pointers
129 * Fix: portability: no arith on void pointer
130 * Fix: add missing tests/Kbuild
131 * Test clock override plugin
132 * Fix: add modules target to base Makefile
133 * Fix: make clean does not include dot-config
134 * Fix: trigger build error if CONFIG_TRACEPOINTS is not set
135 * Documentation: document that CONFIG_MODULES not required when builtin
136 * Fix: add missing errno include in random wrapper
137 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.16.35
138 * Fix: copy_from_user size when limited allocation
139 * Extract the payload of epoll_wait/epoll_pwait
140 * Extract the payload for epoll_ctl
141 * Extract the FDs and flags from poll and ppoll
142 * Extract the FD sets in select and pselect6
143 * Add ctf_integer_bitfield_type
144 * Implement enumeration type
145 * Implement custom field support
146 * Implement variant type
147 * Implement shadow stack for dynamic len
148 * libringbuffer: implement event too big API
149 * Implement structure, compound array/sequence types
150 * Fix: integer endianness metadata generation
151 * Fix: endianness of integers received by filter
152 * Fix: writeback probe on RHEL >= 3.10.0-327.10.1
153 * Fix: RHEL kernel 3.10.0-327.13.1 compat
154 * Fix: ctf_user_integer should not trigger page fault
155 * Fix: lib_ring_buffer_copy_from_user_inatomic error handling
156 * Add comment describing ioctl number duplication
157 * Fix: remove unused gfpflags.h from btrfs and compaction instrumentation
158 * Fix: Remove dead code from filter interpreter
159 * Fix: x86 kvm mmutrace instrumentation for kernel < 3.6
160 * Fix: mm_vmscan instrumentation: remove unused gfpflags.h include
161 * Fix: use of uninitialized ret value in lttng_abi_create_event
162 * Fix: kmem instrumentation: remove unused gfpflags.h include
163 * Fix: 4.6 kernel: use in_compat_syscall
164 * Fix: use BUG_ON instead of accessing array subscript above array bounds
165 * Fix: Add granularity to RHEL kernel version checks
166
0dca9206
MD
1672016-03-18 (Awkward Moments Day) LTTng modules 2.8.0-rc1
168 * Bump minor tracer ABI version
169 * Fix: build against out-of-tree kernel build
170 * probes/Kbuild: remove upper level header path
171 * Move leftover relative include paths to system paths
172 * syscall instrumentation: use system headers
173 * tracepoint event instrumentation: use system headers
174 * Use system include path in wrappers
175 * libs: use system include paths
176 * Use system header paths in core implementation files
177 * Use system include paths in root directory headers
178 * Use system include paths in probes
179 * Update gitignore
180 * Use system include paths in lttng-types.h
181 * Use system include paths in lttng-tracepoint-event-impl.h
182 * Use system include path in probes/define_trace.h
183 * Use system include paths in probes/lttng-tracepoint-event-impl.h
184 * Rename probes/lttng-events.h to probes/lttng-tracepoint-event-impl.h
185 * Add makefile directory to include path
186 * Fix: event ctx get size should be after chan ctx
187 * Fix: filter interpreter with userspace strings
188 * Fix: rename kvm x86 TRACE_SYSTEM to avoid name clash
189 * Fix: format address fields as hexadecimal
190 * PowerPC-64 ABIv1: add build error if KALLSYMS_ALL is missing
191 * Fix: system call instrumentation overrides
192 * Fix: page_alloc wrapper incorrect parenthesis
193 * Fix: system call tracing for arm-64 compat !CONFIG_UID16
194 * Fix: add struct user_msghdr forward declaration for older kernels
195 * Cleanup: Remove unused lttng-types module
196 * Fix: add missing versions and init call for page_alloc wrapper
197 * Fix: Define lttng-tracer metadata only once
198 * Fix: Add CONFIG_LTTNG to modules_install target
199 * Fix: Use kbuild env instead of a custom var KERNELDIR
200 * Update clock offset comment
201 * clock offset: print negative value in metadata
202 * Fix: handle negative clock offset
203 * Fix: sched instrumentation for 4.1-rt11
204 * Add RT patch version macros
205 * Expect filter context identifiers starting with $ctx.
206 * ARM64: wire up compat system calls
207 * Add support for arm64 syscalls
208 * Fix: Ubuntu kernel range for block_rq_complete
209 * Fix: Ubuntu kernel range for mm_page_alloc_extfrag
210 * Fix: update vmscan instrumentation for kernel 4.5
211 * Fix: check reference counts for overflow
212 * Fix: RHEL 7.2 scsi instrumentation
213 * Fix: RHEL 7.2 kvm instrumentation
214 * Kconfig: describe both module and in-kernel compilation options
215 * Add comments and indentation to Makefile
216 * Add support for built-in kernel build
217 * Rename sub makefiles to Kbuild
218 * Cleanup sub makefiles
219 * Make goals configurable with CONFIG_LTTNG
220 * Fix: Use generic raw_irqs_disabled_flags
221 * Fix: Use MAX_RT_PRIO offset in sched_wakeup_template
222 * Fix: update sched instrumentation for kernel 4.4.0
223 * Bump version number for development branch
224 * Fix: interruptible context: reversed logic
225 * Contexts for RT debugging
226 * Fix: instrumentation: v4lv2 missing include
227 * Fix: header size larger than 256 bytes
228 * Instrument x86 page faults
229 * Fix: irq_vectors TRACE_SYSTEM name
230 * Instrument x86_irq_vectors
231 * Fix: tracepoint listing misses last loaded probe
232 * Fix: lttng trace-clock needs to disable preemption
233 * Tracepoint event: add "TP_code_post()"
234 * Implement array and sequence bitfields
235 * Fix: kmem: add mm.h include
236 * Add page frame number (pfn) to kmem page events
237 * Use pfn rather than struct page in ring buffer array
238 * Implement clock plugin support
239 * Command to regenerate the metadata of a session
240 * Fix: writeback instrumentation update for 4.3 Linux kernel
241 * Fix: update sched wakeup instrumentation for 4.3 kernel
242 * Fix: lttng-test build failure for kernels < 3.0
243 * Use 3.18 syscall instrumentation for MIPS32
244 * Update the MIPS32 syscall instrumentation to 3.18
245 * Fix: Move pipe override to the arch specific pointers_override.h
246 * Implement lttng test module
247 * Cleanup: remove logically dead code
248 * Fix: filter validator use after free
249 * Fix: use after free in channel release
250 * Fix: non-enabler events should be disabled by default
251 * Fix: build failure on 2.6.36
252 * Cleanup: split bdi_dirty_ratelimit with ifdef into separate macros
253 * Fix: writeback instrumentation for 4.2 kernels
254 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.18.10
255 * Add stream instance id to the packet header
256 * Add a packet sequence number
257 * Fix: kmem probe with Ubuntu 3.13 kernels
258 * Fix: disable kvm probe if lapic.h isn't found
259 * Fix: timer instrumentation for 4.2 kernels
260 * Fix: ext4 instrumentation for 4.2 kernels
261 * Fix: kvm instrumentation for 4.2 kernels
262 * Fix: allow LTTng to be built within kernel tree
263
2642015-07-15 (Pet Fire Safety Day) LTTng modules 2.7.0-rc1
f3586d94
MD
265 * Fix: Building the event list fails on fragmented memory
266 * Fix: use after free on metadata cache reallocation
267 * Fix: version checks for kernel 4.0
268 * Fix: Incorrect Ubuntu kernel patchlevel
269 * Fix: cpu-id context should use int type
270 * Implement cpu-id context
271 * Implement cpu_id context for filtering
272 * Fix: context printk mismatch on error
273 * Cleanup: misleading comment about deferrable timer
274 * Fix: arm-32 build
275 * Fix: Update kmem event for Ubuntu's 3.16 kernel
276 * Fix: RHEL 7.1 block instrumentation
277 * Fix: add RHEL version macros
278 * Fix: add missing parenthesis in ubuntu version check
279 * Fix: remove regmap instrumentation for kernels < 4.1
280 * Fix: Update kmem event for recent Ubuntu kernel
281 * Fix: missing statedump end event when block device listing available
282 * Fix: don't generate incorrect macros for debian/ubuntu version check
283 * Revert "Fix: build against Ubuntu kernels"
284 * Fix: build against Ubuntu kernels
285 * Add namespace info in sched_fork and statedump
286 * Fix: ext4 instrumentation: flags parameter did not exist prior to 3.11
287 * Fix: printk instrumentation: remove "condition" tracepoints
288 * Fix: regmap build against kernel 4.0 kernel headers
289 * Add mmu_valid_gen field to mmutrace events
290 * Fix: add missing x86 mmutrace kernel header include
291 * Fix: x86 mmutrace event extra field for kernels >= 3.11
292 * Fix: remove execute flag from kvm.h file
293 * Fix: build x86 kvm probes on kernels >= 4.1-rc1
294 * Fix: compilation on 4.1-rc1 kernel, remove unused WB_WORK_REASON
295 * Fix: 4.1-rc1 Linux build and regmap instrumentation
296 * Fix: don't clash with older Debian kernel versions
297 * Fix: update get_pfnblock_flags_mask wrapper for debian kernels
298 * Fix: discover Debian API
299 * Fix: Update README.md to match reality: kernels >= 2.6.36 are supported
300 * Fix: atomic.h wrapper for kernels < 2.6.37
301 * Fix: disable x86 kvm instrumentation for kernels < 2.6.38
302 * Fix: add missing types.h include for older kernels
303 * Fix: add hlist lttng wrappers
304 * Fix: add struct file_handle forward declaration
305 * Fix: string length calculation reversed user vs kernel args
306 * Fix: use lttng_rcu_dereference within lttng-syscalls.c
307 * Fix: add lttng rcu wrapper to allow tracing RCU
308 * Fix: double-unlock of session mutex
309 * Fix: check that class and instance prototype match
310 * Fix: lttng-events.h check function takes void
311 * Fix: regmap instrumentation for Linux 3.19.4 and 4.0
312 * Fix: kernels >= 2.6.33 put utsrelease.h in generated/
313 * Fix: Include utsrelease.h in lttng-kernel-version.h
314 * Fix: ext4 ext4_da_write_pages instrumentation for kernels < 3.11.0
315 * Fix: old kernels need module.h included before vermagic.h
316 * Fix: net instrumentation for kernels 2.6.39 and below
317 * Fix: version condition in makefile
318 * Implement wrapper around get_pfnblock_flags_mask
319 * Be more restrictive in provider name check
320 * Fix: net instrumentation namespacing
321 * Fix: compaction instrumentation namespacing
322 * Fix: Support 4.x kernel versions in Makefile
323 * Fix: remove stale TP_STRUCT_entry from kvm instrumentation
324 * Fix: add missing module.h include to lttng-probe-user.c
325 * Fix: use lttng hlist wrapper in wildcard and filter
326 * Fix: namespace asoc and kmem instrumentation
327 * Fix: update instrumentation after wildcard rebase
328 * Fix: lttng_abi_syscall_list does not need to be exported
329 * Migrate ARM, powerpc, MIPS syscall instrumentation to TP_FIELDS
330 * Remove now unused syscalls.h from lttng-modules
331 * Filter: start with enabler "disabled"
332 * Fix coverity warning about sizeof(void **) != sizeof(void *)
333 * Fix length type and text sequence base
334 * Fix: TP_FIELDS: add missing headers
335 * Migrate syscall instrumentation to TP_FIELDS
336 * Migrate tracepoint instrumentation to TP_FIELDS
337 * Implement filtering infrastructure
338 * syscall wildcards: apply syscall filtering
339 * Implement syscall wildcard support
340 * Implement tracepoint wildcard support
341 * Namespace all tracepoints
342 * Implement list.h wrapper for hlist in older kernels
343 * Implement listing of pid tracker content
344 * Implement PID tracking
345 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.14.36
346 * Fix: update writeback instrumentation for kernel 4.0+
347 * Fix: compaction mm_compaction_isolate_template update for Linux 4.0+
348 * Fix: kmem instrumentation update for mm_page_alloc_extfrag kernel 3.19.2+
349 * Fix: kmem instrumentation: mm_page_alloc extfrag change_ownership field
350 * Fix: missing parenthesis in offset_align_floor
351 * Fix: implement time.h wrapper for FD_ISSET
352 * Fix: update sched instrumentation for 3.19+ kernels
353 * Fix: update rcu instrumentation for 3.19+ kernels
354 * Fix: update scsi instrumentation for 3.19+ kernels
355 * Fix: update module instrumentation for 3.19+ kernels
356 * Fix: Add f_dentry wrapper for 3.19+ kernels
357 * Fix: introduce lttng_get_unused_fd() wrapper for 3.19 kernels
358 * Fix: lttng_this_cpu_ptr wrapper for kernel 3.19+
359 * Fix: Update btrfs instrumentation for 3.18 Linux kernel
360 * Fix compile error on kernel 3.0.101 with CONFIG_PERF_EVENTS
361 * Conditional compilation introduced by lttng-modules commit
362 * Fix: compaction instrumentation update for 3.14.x stable kernels
363 * Fix: context alignment not properly handled
364 * Fix compilation on Linux kernel >= 3.18.0
365 * Fix: build for architectures without HAVE_SYSCALL_TRACEPOINTS
366
af991434
MD
3672014-10-20 LTTng modules 2.6.0-rc1
368 * Expose lttng-modules ABI version ioctl
369 * Fix: syscall list ioctl number conflict
370 * lttng-modules: fix build for non-x86
371 * Fix: syscall listing of session
372 * Print build warning when writeback probe is disabled
373 * Add atomic.h wrapper for before/after atomic
374 * Fix compilation on Ubuntu 14.10
375 * Fix: export name as text array in writeback
376 * Cleanup: remove unused trace_clock_read32()
377 * Use 3.17 ktime_get_mono_fast_ns() new API
378 * Check for stale version.h files
379 * Fix: compile lttng_statedump_process_ns on Ubuntu
380 * Reverse version check logic in lttng_statedump_process_ns
381 * Fix block_rq_complete TP on Ubuntu kernel
382 * Introduce macros to check Ubuntu kernel version
383 * Sync writeback tracepoints from mainline
384 * Fix: redefinition of DEFINE_WRITEBACK_EVENT
385 * Fix: hander negative get_syscall_nr return value
386 * Fix: statedump: close_on_exec flag backward compat
387 * Fix instrumentation of vmscan for older kernels
388 * Fix: older kernels (3.2.x) don't undefine TRACE_SYSTEM
389 * Fix: syscall listing: handle "enable all syscall"
390 * Fix: don't allow disabling syscalls when none are enabled
391 * Fix: syscall: fail disable all if all already disabled
392 * Fix: syscall filtering: NULL pointer deref
393 * Cleanup: list syscall without syscall_entry prefix
394 * Fix: syscall_list_show NULL pointer deref
395 * implement syscall mask getter
396 * Cleanup: lttng-abi.h coding style
397 * syscall listing: show syscall ID
398 * Allow events with same name to be enabled for each channel
399 * ABI: use enable a syscall ABI field name
400 * Implement syscall listing
401 * Fix: tracepoint list anonymous file name
402 * Fix: syscall filtering: disable all syscalls
403 * syscall tracing: input/output parameter handling for all arch
404 * lttng-get-syscall-inout.sh depends on bash
405 * Fix generate syscall header script: add missing escape char
406 * syscall instrumentation: handle copy_from_user return value
407 * Rename LTTng syscall instrumentation macros
408 * Rename LTTng instrumentation macros
409 * Extract input/output arguments from accept and connect syscalls
410 * syscall: extract pipe and pipe2 output args
411 * Remove sys_ prefix from syscall names
412 * System call inout/output arg processing
413 * Update syscall inout table
414 * Add syscall inout table
415 * Extract syscall exit ret value on x86 32/64
416 * Extract system call exit return value
417 * Syscall filtering: apply to syscall exit
418 * System call filtering
419 * asoc.h: fix build with v3.17 kernel
420 * Fix: lttng-modules teardown NULL pointer OOPS
421 * Fix: handle concurrent flush vs get_next_subbuf on metadata cache
422 * Modernize README using Markdown
423 * Fix: OOT lttng_logger tracepoint not visible with signed kernels
424 * Add cscope to gitignore
425 * Update kvm instrumentation: compile on 3.17-rc1
426 * Update statedump to 3.17 nsproxy locking
427 * Fix: noargs probes should calculate alignment and event length
428 * Update compaction instrumentation to 3.16 kernel
429 * Update vmscan instrumentation to 3.16 kernel
430
789fd1d0
MD
4312014-07-16 (Take Your Poet to Work Day) LTTng modules 2.5.0
432 * (no change)
433
37cbcd7c
MD
4342014-06-27 LTTng modules 2.5.0-rc2
435 * Fix: statedump: check whether "files" is NULL, RCU semantic fix
436 * Fix: statedump handle oom case, handle errors
437 * Fix: correct typo in kernel version number
438 * Fix: blktrace instrumentation for backported branches
439 * Fix: statedump block devices OOPS
440
0d979364
MD
4412014-05-28 (International Hamburger Day) LTTng modules 2.5.0-rc1
442 * Add TID field to some block_* events
443 * Fix: refuse overwrite mode buffers with less than two subbuffers
444 * Fix: lttng modules system call generation script
445 * Dump FD flags and mode on state dump
446 * Fix: incorrect rwbs field type in block_bio_queue
447 * Fix: blktrace instrumentation for v3.2.58+ stable branch
448 * Fix: pass proper args when writing commit counter
449 * Cleanup: lib ringbuffer: pagecpy has unsigned semantic
450 * Fix: allow racy tracepoint string input from kernel and userspace
451 * Statedump event for block devices
452 * Fix: update v4l2 instrumentation to 3.15 kernel
453 * Fix: ext4 update instrumentation to 3.15 kernel
454 * Fix: update block instrumentation to 3.15 kernel
455 * Fix: module instrumentation: update to 3.15 kernel
456 * Adapt to 3.15 tracepoint API
457 * Kernel 3.15 don't define map unmap for pipe
458 * Fix: add missing module version in v4l2 probe
459 * Add V4L2 instrumentation
460 * Fix: rcu instrumentation: add const qualifier to char pointers
461 * Fix: add missing module version information
462 * Use kernel 3.13 syscall tables for MIPS32
463 * Add MIPS32 syscalls extracted from a 3.13 kernel
464 * Fix: block instrumentation: < 3.14 don't have bi_iter
465 * Fix: update btrfs instrumentation to kernel 3.14
466 * Fix: update block layer instrumentation to kernel 3.14
467 * Fix: remove __exit annotation
468 * Fix file permissions for lttng-statedump-impl.c
469 * LTTng logger ABI
470
fb2c3779
MD
4712014-02-28 (Public Sleeping Day) LTTng modules 2.4.0
472 * Fix: load state dump even if work-around lookup fails
473 * Cleanup: fix comment
474 * Fix: correctly version kvm events to build against v3.0 kernel
475 * Add extraversion (e.g. -rc4) to lttng-tracer modinfo
476
4be86211
MD
4772014-02-14 LTTng modules 2.4.0-rc4
478 * Fix: use after free in ring buffer clients
479 * Fix: Add statedump exit so module is not permanent
480 * Cleanup: move callback init to static initialization
481 * Fix: OOT lttng-statedump tracepoints not visible with signed kernels
482
00808267
MD
4832014-01-29 LTTng modules 2.4.0-rc3
484 * Fix: tracepoint event name mapping at unregister
485 * Fix: tracepoint name remapping
486 * Fix: enable event error path memory corruption
487 * Update kvm instrumentation to Linux 3.13
488 * Update sched instrumentation to Linux 3.13
489 * Fix: provide more precise error report for enable event
490 * Fix: quote event name in metadata
491 * Add version info to lttng-tracer.ko modinfo
492
0aa12233
MD
4932013-12-10 LTTng modules 2.4.0-rc2
494 * Fix: client_packet_header() uses wrong packet
495 * Cleanup: fix typo in ring buffer backend comment
496 * Fix: handle unknown event type parameter
497 * Fix: eliminate timestamp overlap between packets
498 * gcc blacklist: only apply when building with gcc
499 * Blacklist ARM gcc 4.8.0, 4.8.1, 4.8.2
500
223ca7c5
MD
5012013-11-15 LTTng modules 2.4.0-rc1
502 * Update ext4 instrumentation to Linux 3.12
503 * Update RCU instrumentation to Linux 3.12
504 * Update btrfs instrumentation to 3.12 kernel
505 * Update vmscan instrumentation to Linux 3.12
506 * update: kmem instrumentation 3.12 kernel support
507 * lttng-statedump-impl: Use generic hard irqs for Linux >= 3.12
508 * lttng-statedump-impl: Fix lttng_list_interrupts for empty implementation
509 * Import fix from LTSI: 3.4+ RT kernels use CONFIG_PREEMPT_RT_FULL
510 * Add new tracepoint in KVM
511 * Blacklist kernels 3.10.13 and 3.11.2
512 * LTTng trace-clock: shrink kernel blacklist
513 * Metadata flush writes data from the cache
514 * Per-stream ioctl to get the current timestamp
515 * LTTng ringbuffer ABI calls for index generation
516 * Prepare LTTng override of ring buffer fops
517 * Blacklist Linux kernels 3.10+
518
78c8710b
MD
5192013-09-03 LTTng modules 2.3.0
520 * Fix: metadata stream should not reference session
521 * Fix: btrfs: support 3.11 Linux kernel
522 * statedump: remove KERN_DEBUG messages
523 * Fix: ext4: add missing tracepoints for 3.11 kernel
524 * Fix: ext4: Linux 3.11 support
525 * Fix: ext3: 3.11 Linux support
526 * Fix: statedump nsproxy 3.11 Linux support
527
cf7ae3e6
MD
5282013-08-30 LTTng modules 2.3.0-rc2
529 * Fix: metadata lttng channel refcount
530 * README: lttng-modules incompatible with lttng 0.x patchset
531
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5322013-07-17 LTTng modules 2.3.0-rc1
533 * Fix: kvm x86 probes side-effect
534 * Fix: allow get/put subbuf in loop for metadata stream
535 * Add support for kvm x86 specific tracepoints
536 * Add mainline headers for kvm x86 tracepoints
537 * Remove old 3.0.4 x86-64 extracted syscall info
538 * Point the x86-64 overrides to newly extracted 3.10-rc7 files
539 * Add syscalls extracted files from a 3.10-rc7 kernel
540 * Improve documentation of the syscall extractor script
541 * Fix: double length of __dynamic_len array
542 * Fix printk instrumentation
543 * Introduce __dynamic_array_enc_ext_2() and tp_memcpy_dyn_2()
544 * Fix: ring buffer: get_subbuf() checks should be performed on "consumed" parameter
545 * Fix: SWITCH_FLUSH new sub-buffer checks
546 * Fix: ring buffer: handle concurrent update in nested buffer wrap around check
547 * Cleanup: lib_ring_buffer_switch_new_end() only calls subbuffer_set_data_size()
548 * Revert "Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()"
549 * Fix: handle writes of length 0
550 * Fix: ring buffer: RING_BUFFER_FLUSH ioctl buffer corruption
551 * Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()
552 * print warning and return -EBUSY on double get_subbuf()
553 * Add header to fix compilation of syscalls-extractor on 3.9 kernel
554 * Fix: don't do 0 byte event reservation
555 * Document that payload size need to be greater than 0
556 * Fix build and load against linux-2.6.33.x
557 * Fix: add missing CONFIG_COMPAT around lib_ring_buffer_compat_ioctl
558 * Metadata cache and multiple metadata channels
559 * fix block instrumentation probe signature mismatch for 3.9.x kernels
560 * fix: block instrumentation: NULL pointer dereference
561 * Update rcu instrumentation to 3.9.[0-4]
562 * Fix CPU hotplug section mismatches
563 * Add system calls definitions for powerpc-32
564 * Remove bashism in lttng-syscalls-generate-headers.sh
565 * Update ARM (32 bit) syscall tracepoints to 3.4
566
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5672013-05-09 LTTng modules 2.2.0-rc2
568 * Remove useless lttng_metadata probe
569 * Fix: warning kvm_trace_exit_reason redefined for 3.9 kernel
570 * Fix: 3.9.0 block layer instrumentation build
571 * Revert "Stop build if CONFIG_TRACEPOINTS is not set"
572 * Stop build if CONFIG_TRACEPOINTS is not set
573 * Add comments to endifs.
574 * Fix: remove ARM set_tls system call override
575 * Cleanup: arm sys_mmap whitespace
576 * Clean up using global_dirty_limit wrapper for writeback probe
577
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5782013-03-29 LTTng modules 2.2.0-rc1
579 * Update README
580 * Fix: vmscan instrumentation build
581 * writeback instrumentation: remove duplicated structures
582 * block: update instrumentation to 3.9 rc kernel
583 * rcu: update to 3.9 rc kernel instrumentation
584 * workqueue instrumentation: remove duplicated structures
585 * Rename odd event names
586 * Introduce API to remap event names exposed by LTTng
587 * lttng-module: sched.h: Fix compilation on 3.9 kernel
588 * Fix Linux 3.8 btrfs probe warning
589 * Fix Linux 3.8 ext4 probe support
590 * Fix 3.8 kernel support: namespace lttng_is_signed_type()
591 * Fix: don't flush-final for offset 0 if reader is on sub-buffer
592 * instrumentation sched: add missing fork pid info
593 * Fix check in lttng_strlen_user_inatomic
594 * instrumentation: sync with Linux commit a1ce392
595 * Fix: statedump: missing locking, use lttng_iterate_fd
596 * Implement lttng_iterate_fd wrapper
597 * Instrumentation cleanup: kmem events should print hex pointers
598 * Fix compilation of ext4 and btrfs tracepoints on 2.6.40 kernels
599 * Fix: statedump hang/too early completion due to logic error
600 * Fix: statedump hang due to incorrect wait/wakeup use
601 * put_ulong calls in lib_ring_buffer_compat_ioctl() should be compat
602 * wrapper/perf.h: Fix kernel version condition
603 * Add new kernel probes instrumentation
604 * Update kernel probes to more detailed match to kernel versions
605 * Fix possible kernel build errors with linux-patches
606 * Add missing MIT license text to 3 files under this license
607 * Update sites using kernel version checking macro to new range
608 * Make upper bound of kernel version checking macro exclusive
609 * sock instrumentation: fix fields to get referenced values
610 * ext3 instrumentation: fix of assignment code conversion
611 * sched instrumentation: rename "pid" fields in sched_process_exec
612 * Remove remaining semicolons in TP_fast_assign blocks
613 * Fix compilation for 3.0 kernels that are named 2.6.40
614 * Fix compilation for 3.0 branch (>= 3.0.39)
615 * Add kernel version checking macro
616 * Remove semicolons in TP_fast_assign blocks
617 * Add ifdefs to net probe to support Linux 2.6.39
618 * Add kernel probes for supplementary subsystems
619 * Check if interrupt action name is not null in statedump
620 * Fix exec instrumentation: only for kernels 3.4.0 and higher
621 * Add TRACE_EVENT(sched_process_exec) to sched.h
622 * lib/ringbuffer/frontend_api.h: Include linux/prefetch.h.
623 * Fix warning with 3.6.0 kernel
624 * ABI with support for compat 32/64 bits
625 * Perform calculation on bit size in 64-bit
626 * Use uint64_t for packet header content size and packet size
627 * Fix: compat layer only on supported architectures
628 * Fix ring buffer 32/64 bits compat
629 * Fix cleanup: move lttng-tracer-core.h include to lib ringbuffer config.h
630 * Fix ring_buffer_frontend.c: missing include lttng-tracer-core.h
631 * Fix: statedump missing check for NULL namespace
632
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6332012-09-10 LTTng modules 2.1.0-rc1
634 * fix timestamps on architectures without CONFIG_KTIME_SCALAR
635 * Support for linux kernels 2.6.32 through 2.6.37
636 * Document limitation of vppid and ppid context wrt eventual RCU instrumentation
637 * Cleanup: no need to hold RCU read-side lock when reading current nsproxy
638 * Add env hostname information
639 * Fix: lttng_statedump_process_state for each PID NS has infinite loop
640 * lttng_statedump_process_state for each PID NS
641 * Support the hostname context
642 * Fix: statedump namespaced pid, tid and ppid
643 * Fix: statedump: disable vm maps enumeration
644 * Fix: ensure userspace accesses are done with _inatomic
645 * Fix: vppid context should test for current nsproxy
646 * Add MIPS system call support
647 * Change mode of lttng-syscalls-generate-headers.sh to 755
648 * cleanup: fix typo in syscall instrumentation header
649 * Cleanup: remove trailing whitespace in README
650 * trace event: introduce TP_MODULE_NOAUTOLOAD and TP_MODULE_NOINIT
651 * LTTng: probe-statedump: add #include <linux/sched.h>
652 * fix: signal_generate event should print utf8 for comm field
653 * Makes write operation a parameter for tp_memcpy macro
654 * Add coding style document
655 * Update instrumentation/events README file
656 * Add makefile target for preprocessor
657 * Fix: free_event_id check should compare unsigned int with -1U
658 * Use unsigned long type for events discarded counter
659 * Fix: update signal instrumentation for 3.4 kernel
660 * LTTng Modules ARM syscall instrumentation
661 * Fix: generate header missing echo -e for escape chars
662 * Fix: add missing uaccess.h include (for ARM)
663 * README: Document that CONFIG_MODULES is required
664 * Fix: README typo
665 * Fix: document required and optional kernel config options in README
666
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6672012-03-29 LTTng modules 2.0.1
668 * Fix: is_compat_task !CONFIG_COMPAT compile error on kernels >= 3.3
669
6702012-03-20 LTTng modules 2.0.0
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671 * First STABLE version
672 * Add version name
673
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6742012-03-20 LTTng modules 2.0.0-rc4
675 * Update README and add version name place-holder
676
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6772012-03-16 LTTng modules 2.0.0-rc3
678 * Fix clock offset 32-bit multiplication overflow
679 * Fix : wrong assign of fd in state dump
680 * License cleanup, ifdef namespace cleanup
681 * Fix: ensure power of 2 check handles 64-bit size_t entirely
682
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6832012-03-02 LTTng modules 2.0.0-rc2
684 * Fix: dmesg printout should not print metadata warnings
685 * Fix: use transport name as channel name
686 * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_subbuf
687
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6882012-02-20 LTTng modules 2.0.0-rc1
689 * Standardize version across toolchain
690 * statedump: Use old macro name for kernel 2.6.38
691
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6922012-02-16 LTTng modules 2.0-pre15
693 * Add timer instrumentation
694 * fix: need to undef mainline define
695 * fix: Include signal.h instead of irq.h for prototype match check
696 * Add signal instrumentation
697
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6982012-02-16 LTTng modules 2.0-pre14
699 * syscall tracing: sys_getcpu
700 * Add sys_clone x86 instrumentation
701 * statedump: fix include circular dep
702 * Implement state dump
703
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7042012-02-09 LTTng modules 2.0-pre13
705 * Update README
706 * environment: write sysname, release, version, domain to metadata
707 * Allow open /proc/lttng for read & write
708
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7092012-02-02 LTTng modules 2.0-pre12
710 * Add x86 32/64 execve syscall instrumentation override
711 * Remove unused defines
712 * Add padding to ABI
713 * Use LTTNG_KERNEL_SYM_NAME_LEN
714 * Update version to 1.9.9
715 * Add missing double-quotes to clock uuid
716 * clock: read bootid as clock monotonic ID
717 * Fix comment
718 * Cleanup comment
719 * clock: output clock description in metadata
720 * Properly fix the timekeeping overflow detection
721 * Fix init bug
722 * rename lib-ring-buffer to lttng-lib-ring-buffer
723 * Remove #warning
724 * Mass rename: ltt_*/ltt-* to LTTNG_*/LTTNG-*
725 * Update TODO
726 * Update TODO
727 * Remove debugfs file (keep only proc file)
728 * Rename lttng-debugfs-abi files to lttng-abi
729
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7302011-12-13 LTTng modules 2.0-pre11
731 * Fix OOPS caused by reference of config pointer
732 * Gather detailed info from x86 64 32-bit compat syscall instrumentation
733 * lttng lib: ring buffer move null pointer check to open
734 * lttng lib: ring buffer remove duplicate null pointer
735 * lttng lib: ring buffer: remove stale null-pointer
736 * lttng wrapper: add missing include to kallsyms wrapper
737 * lttng: cleanup one-bit signed bitfields
738 * Add TODO file
739 * Update symbol name length max size to 256
740 * Fix last modifications to string_from_user operations
741 * Document that depmod needs to be executed by hand
742 * Fix strlen_user fault space reservation
743 * Fix tp_copy_string_from_user handling of faults
744 * Disable block layer tracing support for kernels < 2.6.38
745 * lttng context: perf counter, fix 32-bit vs 64-bit field size bug
746 * Update trace clock warning to match the current development plan
747 * ringbuffer: make ring buffer printk less verbose
748 * Makefile: do not run depmod manually
749
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7502011-09-30 LTTng modules 2.0-pre10
751 * x86-32: override sys_mmap syscall instrumentation
752 * Fix cast warning
753
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7542011-09-29 LTTng modules 2.0-pre9
755 * x86 32 syscalls: fix !CONFIG_UID16
756 * Use __string_from_user
757 * Add __string_from_user
758 * Rename "comm" context to "procname"
759 * Fetch "type" name field for mount syscall
760 * Create common override file for all architectures
761 * Shrink stack size usage
762 * Cleanup: remove unused lttng-compat-syscalls.c file
763 * Support detailed compat syscalls on x86_64
764 * Fix syscall table
765 * Add disabled compat syscalls detail (work in progress)
766 * Add config compat support for detailed x86_32 syscalls
767 * Handle newer 3.1+ perf API
768 * Add dummy x86-32 override headers
769 * Bind x86-32 syscall headers
770 * Add x86-32 syscall headers
771 * Add check for KALLSYMS_ALL in syscall extraction script
772 * Automate string extraction for syscalls
773 * Automate syscall filename/pathname extraction
774 * Add exit to ring_buffer_frontend so module is unloadable
775 * Add sys_open filename (x86_64)
776 * Add missing memcpy callback
777 * copy_from_user and memset
778 * Add missing alignment after header write
779 * lib ring buffer: add frontend init as module_init
780 * lib ring buffer frontend: add missing lock initialization
781 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address (missing file)
782 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address
783 * Create override for sys_mmap
784 * Rename syscalls -> syscall in LTTng ABI
785 * Use different event name for compat syscalls
786 * Allow trace syscall table override
787 * Add dummy override files
788 * syscall detail: add override capability
789 * Add pointer pretty-print heuristics
790 * Add __field_hex
791 * Rename sys exit errno into ret
792 * Enable detailed syscalls only for native x86_64
793 * Use "unknown" for compat syscalls
794 * Disable x86-64 specific detailed syscalls for now, until we deal with 32-bit compat
795 * Fix syscall exit
796 * Fix sys exit
797 * Only enable detailed syscalls for x86_64 for now
798 * Merge unknown syscall method with extended detail method
799 * Add underscore prefix before event names
800 * Add syscalls pointers detailed syscall tracing
801 * Use perl for regexp
802 * Support generation of syscall probes for those with pointers
803 * Support detailed syscalls with 0 arguments
804 * detailed syscall tracing (work in progress)
805 * Expose /proc/lttng file
806 * Implement detailed syscall event probe
807 * Disable perf build for < 2.6.33 kernels
808 * Syscall detail mode: generate syscall table
809 * block instrumentation: write cmd as hex sequence
810 * lttng-events TRACE_EVENT generator cleanup
811 * block layer instrumentation: fix cmd field
812 * Remove 0 args syscalls for now from type-aware syscall cb generator
813 * Generate trace syscall table macros
814 * Put syscall tracing without arg types back in place
815 * Detailed system call tracing (TRACE_EVENT() generation for integer support)
816 * lttng events probes: don't clash with "ctx" variable name
817 * lib ring buffer must take private pointer copy before decrementing refcount
818
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8192011-08-16 LTTng modules 2.0-pre8
820 * Fix metadata buffer wait/wakeup
821
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8222011-08-12 LTTng modules 2.0-pre7
823 * Add missing module refcount to lttng_tracepoint_list_fops
824 * Add license info about lib/ringbuffer/ring_buffer_mmap.c being GPLv2
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