Version 2.10.1
[lttng-modules.git] / ChangeLog
CommitLineData
8747cfe0
MD
12017-10-03 (National Techies Day) LTTng modules 2.10.1
2 * Fix: version check error in btrfs instrumentation
3 * Fix: update btrfs instrumentation for kernel 4.14
4 * Fix: update writeback instrumentation for kernel 4.14
5 * Fix: update block instrumentation for kernel 4.14
6 * Fix: vmalloc wrapper on kernel < 2.6.38
7 * Fix: vmalloc wrapper on kernel >= 4.12
8 * Add kmalloc failover to vmalloc
9 * Fix: mmap: caches aliased on virtual addresses
10 * Fix: update ext4 instrumentation for kernel 4.13
11
14b4c9b5
MD
122017-08-01 (World Wide Web Day) LTTng modules 2.10.0
13 * Fix: Sleeping function called from invalid context
14 * Fix: sched for v4.11.5-rt1
15 * Fix: handle missing ftrace header on v4.12
16
9fd13611
MD
172017-06-12 (National Peanut Butter Cookie Day) LTTng modules 2.10.0-rc2
18 * Fix: pid tracker should track "pgid"
19 * Fix: Build ftrace probe on kernels prior to 4.12
20 * Fix: update ftrace probe for kernel 4.12
21 * Fix: update block instrumentation for kernel 4.12
22 * Fix: Add support for 4.9.27-rt18 kernel
23 * Fix: update btrfs instrumentation for kernel 4.12
24 * Fix: update ringbuffer for kernel 4.12
25 * Fix: update sched instrumentation for kernel 4.12
26 * Fix: ext3 was completely removed from the kernel in v4.3
27 * Fix: NULL pointer dereference of THIS_MODULE with built-in modules
28 * Fix: add "flush empty" ioctl for stream intersection
29 * Revert "Fix: flush empty packets on snapshot channel"
30 * Revert "Fix: don't perform extra flush on metadata channel"
31
a7528254
MD
322017-05-05 (International Tuba Day) LTTng modules 2.10.0-rc1
33 * Fix: remove CONFIG_KALLSYMS_ALL warning on clean
34 * Add RING_BUFFER_SNAPSHOT_SAMPLE_POSITIONS command
35 * Fix: Always build vmscan probe
36 * Cleanup: formatting in strutils_star_glob_match explanation
37 * Fix: introduce LTTNG_SIZE_MAX for older kernels
38 * Use SIZE_MAX instead of -1ULL for size_t parameter
39 * filter: use SIZE_MAX for size_t
40 * Fix: out of bound array access in filter code
41 * Add support for star globbing patterns in event names
42 * Filtering: add support for star-only globbing patterns
43 * Add string utilities
44 * lttng-abi.c: cleanup whitespaces
45 * Fix: use of uninitialized ret value in lttng_abi_open_metadata_stream
46 * Fix: kref changes for kernel 4.11
47 * Fix: atomic_add_unless() returns true/false rather than prior value
48 * Fix: timers cputime_t arguments replaced by ull in kernel 4.11
49 * Fix: update scsi instrumentation for kernel 4.11
50 * Fix: changes to the vm_op fault cb prototype in libringbuffer
51 * Fix: update btrfs instrumentation for kernel 4.11
52 * Fix: update mm_vmscan instrumentation for kernel 4.11
53 * Fix: section mismatch warning caused by __exit annotation
54 * socketpair: extend syscall socketpair tracing information
55 * Remove events/mainline unused headers
56 * update event README
57 * Fix: nmi-safe clock on 32-bit systems
58 * Fix: only include linux/cpuhotplug.h for kernels >= 4.10
59 * Fix: 4.10 hotplug adaptation backward compat
60 * Fix: 4.10 btrfs instrumentation update backward compat
61 * Update btrfs instrumentation for 4.10 kernel
62 * Adapt lttng-modules to Linux 4.10 cpu hotplug state machine
63 * btrfs instrumentation: update to 4.10 kernel
64 * timer instrumentation: adapt to ktime_t without union
65 * Add load/unload messages to kernel log
66 * Update version to 2.10.0-pre
67 * Fix: asoc instrumentation for RHEL 7.3
68 * Fix: SCSI instrumentation for SLES12 SP2
69 * Add SUSE Linux Enterprise kernel version tests
70 * Filter code relicensing to MIT license
71 * Add task cpu in process statedump
72 * Performance: add missing unlikely in reserve
73 * Fix: preemptible and migratable context error handling
74 * Fix: bump stable kernel version ranges for clock work-around
75
f8af63a2
MD
762016-10-07 (National Frappé Day) LTTng modules 2.9.0-rc1
77 * Fix: i2c: support kernels < 3.15
78 * Fix: show warning for broken clock work-around
79 * Bump minor ABI version
80 * Fix: work-around upstream Linux timekeeping bug
81 * Add support for i2c tracepoints
82 * Cleanup: makefile version checks with single "ge"
83 * Performance: special-case NULL in lttng_strlen_user_inatomic
84 * Fix: lttng_inline_memcpy does not take a __user argument
85 * Performance: implement lttng_inline_memcpy
86 * Performance: cache the backend pages pointer in context
87 * Cleanup: libringbuffer: remove duplicate pointer chasing in slow paths
88 * Performance: Only dereference commit index once
89 * Performance: Mark channel and buffer event disabled check unlikely
90 * Performance: Relax atomicity constraints for crash handling
91 * Performance: mark ring buffer do_copy callers always inline
92 * Performance: mark lib_ring_buffer_write always inline
93 * Kconfig: select TRACEPOINTS when built-in
94 * Performance: disable event counting by default
95 * Fix: handle large number of pages or subbuffers per buffer
96 * Fix: unregister cpu hotplug notifier on buffer alloc error
97 * Fix: sa_family is of type unsigned short
98 * Fix: check for sizeof sa_family to save sa_family in accept and connect
99 * Fix: use printk_once() for wrapper warning messages
100 * Fix: btrfs instrumentation for 4.8 kernel
101 * Fix: update mm_vmscan instrumentation for kernel 4.8
102 * Fix: napi instrumentation for 4.8 kernels
103 * Fix: update block instrumentation to compile on 4.8 kernels
104 * Cleanup: reuse code in accept() and accept4() instrumentation
105 * Add x86-64 override for accept4 syscall
106 * Fix: timer wrapper: support kernels >= 4.8
107 * Performance: split check deliver fast/slow paths
108 * Fix: x86-64 accept instrumentation
109 * Fix: Add support for 4.6.4-rt8 kernel
110 * Fix: update scsi instrumentation for 4.7+ kernels
111 * Fix: Use fs_initcall instead of rootfs_initcall
112 * Fix: Add kernel configuration for lttng clock plugin
113 * Fix: the clock plugin must be initiated before first use of the clock
114 * Fix: tests/Kbuild for older kernels
115 * Cleanup: __dynamic_len_idx set but not used warning
116 * Cleanup: coding style and comments of net.h
117 * net: Add TCP header data to net_* tracepoints
118 * net: Add IPv4/IPv6 header data to net_* tracepoints
119 * Fix: endianness for the container type of enum
120 * enumeration autoincrement: use if/else logic
121 * Cleanup trailing whitespaces
122 * lttng-test probe: test ctf_enum_auto()
123 * Add ctf_enum_auto() for autoincrementing enumeration values
124 * Implement session statedump command
125 * Fix: annotate bytecode interpreter for kernel stack validator
126 * Update version to 2.9.0-pre
127 * Fix: ring buffer: honor switch parameter type in remote switch
128 * Fix: only flush non-metadata channels
129 * Fix: don't perform extra flush on metadata channel
130 * select, poll and epoll_wait overrides on ARM 32-bit
131 * Fix: flush empty packets on snapshot channel
132 * Fix: do not generate packet at destroy after stop
133 * Fix: compat ioctl for flush/get metadata version
134 * Fix: ctf_string() should handle NULL pointers
135 * Fix: portability: no arith on void pointer
136 * Fix: add missing tests/Kbuild
137 * Test clock override plugin
138 * Fix: add modules target to base Makefile
139 * Fix: make clean does not include dot-config
140 * Fix: trigger build error if CONFIG_TRACEPOINTS is not set
141 * Documentation: document that CONFIG_MODULES not required when builtin
142 * Fix: add missing errno include in random wrapper
143 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.16.35
144 * Fix: copy_from_user size when limited allocation
145 * Extract the payload of epoll_wait/epoll_pwait
146 * Extract the payload for epoll_ctl
147 * Extract the FDs and flags from poll and ppoll
148 * Extract the FD sets in select and pselect6
149 * Add ctf_integer_bitfield_type
150 * Implement enumeration type
151 * Implement custom field support
152 * Implement variant type
153 * Implement shadow stack for dynamic len
154 * libringbuffer: implement event too big API
155 * Implement structure, compound array/sequence types
156 * Fix: integer endianness metadata generation
157 * Fix: endianness of integers received by filter
158 * Fix: writeback probe on RHEL >= 3.10.0-327.10.1
159 * Fix: RHEL kernel 3.10.0-327.13.1 compat
160 * Fix: ctf_user_integer should not trigger page fault
161 * Fix: lib_ring_buffer_copy_from_user_inatomic error handling
162 * Add comment describing ioctl number duplication
163 * Fix: remove unused gfpflags.h from btrfs and compaction instrumentation
164 * Fix: Remove dead code from filter interpreter
165 * Fix: x86 kvm mmutrace instrumentation for kernel < 3.6
166 * Fix: mm_vmscan instrumentation: remove unused gfpflags.h include
167 * Fix: use of uninitialized ret value in lttng_abi_create_event
168 * Fix: kmem instrumentation: remove unused gfpflags.h include
169 * Fix: 4.6 kernel: use in_compat_syscall
170 * Fix: use BUG_ON instead of accessing array subscript above array bounds
171 * Fix: Add granularity to RHEL kernel version checks
172
0dca9206
MD
1732016-03-18 (Awkward Moments Day) LTTng modules 2.8.0-rc1
174 * Bump minor tracer ABI version
175 * Fix: build against out-of-tree kernel build
176 * probes/Kbuild: remove upper level header path
177 * Move leftover relative include paths to system paths
178 * syscall instrumentation: use system headers
179 * tracepoint event instrumentation: use system headers
180 * Use system include path in wrappers
181 * libs: use system include paths
182 * Use system header paths in core implementation files
183 * Use system include paths in root directory headers
184 * Use system include paths in probes
185 * Update gitignore
186 * Use system include paths in lttng-types.h
187 * Use system include paths in lttng-tracepoint-event-impl.h
188 * Use system include path in probes/define_trace.h
189 * Use system include paths in probes/lttng-tracepoint-event-impl.h
190 * Rename probes/lttng-events.h to probes/lttng-tracepoint-event-impl.h
191 * Add makefile directory to include path
192 * Fix: event ctx get size should be after chan ctx
193 * Fix: filter interpreter with userspace strings
194 * Fix: rename kvm x86 TRACE_SYSTEM to avoid name clash
195 * Fix: format address fields as hexadecimal
196 * PowerPC-64 ABIv1: add build error if KALLSYMS_ALL is missing
197 * Fix: system call instrumentation overrides
198 * Fix: page_alloc wrapper incorrect parenthesis
199 * Fix: system call tracing for arm-64 compat !CONFIG_UID16
200 * Fix: add struct user_msghdr forward declaration for older kernels
201 * Cleanup: Remove unused lttng-types module
202 * Fix: add missing versions and init call for page_alloc wrapper
203 * Fix: Define lttng-tracer metadata only once
204 * Fix: Add CONFIG_LTTNG to modules_install target
205 * Fix: Use kbuild env instead of a custom var KERNELDIR
206 * Update clock offset comment
207 * clock offset: print negative value in metadata
208 * Fix: handle negative clock offset
209 * Fix: sched instrumentation for 4.1-rt11
210 * Add RT patch version macros
211 * Expect filter context identifiers starting with $ctx.
212 * ARM64: wire up compat system calls
213 * Add support for arm64 syscalls
214 * Fix: Ubuntu kernel range for block_rq_complete
215 * Fix: Ubuntu kernel range for mm_page_alloc_extfrag
216 * Fix: update vmscan instrumentation for kernel 4.5
217 * Fix: check reference counts for overflow
218 * Fix: RHEL 7.2 scsi instrumentation
219 * Fix: RHEL 7.2 kvm instrumentation
220 * Kconfig: describe both module and in-kernel compilation options
221 * Add comments and indentation to Makefile
222 * Add support for built-in kernel build
223 * Rename sub makefiles to Kbuild
224 * Cleanup sub makefiles
225 * Make goals configurable with CONFIG_LTTNG
226 * Fix: Use generic raw_irqs_disabled_flags
227 * Fix: Use MAX_RT_PRIO offset in sched_wakeup_template
228 * Fix: update sched instrumentation for kernel 4.4.0
229 * Bump version number for development branch
230 * Fix: interruptible context: reversed logic
231 * Contexts for RT debugging
232 * Fix: instrumentation: v4lv2 missing include
233 * Fix: header size larger than 256 bytes
234 * Instrument x86 page faults
235 * Fix: irq_vectors TRACE_SYSTEM name
236 * Instrument x86_irq_vectors
237 * Fix: tracepoint listing misses last loaded probe
238 * Fix: lttng trace-clock needs to disable preemption
239 * Tracepoint event: add "TP_code_post()"
240 * Implement array and sequence bitfields
241 * Fix: kmem: add mm.h include
242 * Add page frame number (pfn) to kmem page events
243 * Use pfn rather than struct page in ring buffer array
244 * Implement clock plugin support
245 * Command to regenerate the metadata of a session
246 * Fix: writeback instrumentation update for 4.3 Linux kernel
247 * Fix: update sched wakeup instrumentation for 4.3 kernel
248 * Fix: lttng-test build failure for kernels < 3.0
249 * Use 3.18 syscall instrumentation for MIPS32
250 * Update the MIPS32 syscall instrumentation to 3.18
251 * Fix: Move pipe override to the arch specific pointers_override.h
252 * Implement lttng test module
253 * Cleanup: remove logically dead code
254 * Fix: filter validator use after free
255 * Fix: use after free in channel release
256 * Fix: non-enabler events should be disabled by default
257 * Fix: build failure on 2.6.36
258 * Cleanup: split bdi_dirty_ratelimit with ifdef into separate macros
259 * Fix: writeback instrumentation for 4.2 kernels
260 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.18.10
261 * Add stream instance id to the packet header
262 * Add a packet sequence number
263 * Fix: kmem probe with Ubuntu 3.13 kernels
264 * Fix: disable kvm probe if lapic.h isn't found
265 * Fix: timer instrumentation for 4.2 kernels
266 * Fix: ext4 instrumentation for 4.2 kernels
267 * Fix: kvm instrumentation for 4.2 kernels
268 * Fix: allow LTTng to be built within kernel tree
269
2702015-07-15 (Pet Fire Safety Day) LTTng modules 2.7.0-rc1
f3586d94
MD
271 * Fix: Building the event list fails on fragmented memory
272 * Fix: use after free on metadata cache reallocation
273 * Fix: version checks for kernel 4.0
274 * Fix: Incorrect Ubuntu kernel patchlevel
275 * Fix: cpu-id context should use int type
276 * Implement cpu-id context
277 * Implement cpu_id context for filtering
278 * Fix: context printk mismatch on error
279 * Cleanup: misleading comment about deferrable timer
280 * Fix: arm-32 build
281 * Fix: Update kmem event for Ubuntu's 3.16 kernel
282 * Fix: RHEL 7.1 block instrumentation
283 * Fix: add RHEL version macros
284 * Fix: add missing parenthesis in ubuntu version check
285 * Fix: remove regmap instrumentation for kernels < 4.1
286 * Fix: Update kmem event for recent Ubuntu kernel
287 * Fix: missing statedump end event when block device listing available
288 * Fix: don't generate incorrect macros for debian/ubuntu version check
289 * Revert "Fix: build against Ubuntu kernels"
290 * Fix: build against Ubuntu kernels
291 * Add namespace info in sched_fork and statedump
292 * Fix: ext4 instrumentation: flags parameter did not exist prior to 3.11
293 * Fix: printk instrumentation: remove "condition" tracepoints
294 * Fix: regmap build against kernel 4.0 kernel headers
295 * Add mmu_valid_gen field to mmutrace events
296 * Fix: add missing x86 mmutrace kernel header include
297 * Fix: x86 mmutrace event extra field for kernels >= 3.11
298 * Fix: remove execute flag from kvm.h file
299 * Fix: build x86 kvm probes on kernels >= 4.1-rc1
300 * Fix: compilation on 4.1-rc1 kernel, remove unused WB_WORK_REASON
301 * Fix: 4.1-rc1 Linux build and regmap instrumentation
302 * Fix: don't clash with older Debian kernel versions
303 * Fix: update get_pfnblock_flags_mask wrapper for debian kernels
304 * Fix: discover Debian API
305 * Fix: Update README.md to match reality: kernels >= 2.6.36 are supported
306 * Fix: atomic.h wrapper for kernels < 2.6.37
307 * Fix: disable x86 kvm instrumentation for kernels < 2.6.38
308 * Fix: add missing types.h include for older kernels
309 * Fix: add hlist lttng wrappers
310 * Fix: add struct file_handle forward declaration
311 * Fix: string length calculation reversed user vs kernel args
312 * Fix: use lttng_rcu_dereference within lttng-syscalls.c
313 * Fix: add lttng rcu wrapper to allow tracing RCU
314 * Fix: double-unlock of session mutex
315 * Fix: check that class and instance prototype match
316 * Fix: lttng-events.h check function takes void
317 * Fix: regmap instrumentation for Linux 3.19.4 and 4.0
318 * Fix: kernels >= 2.6.33 put utsrelease.h in generated/
319 * Fix: Include utsrelease.h in lttng-kernel-version.h
320 * Fix: ext4 ext4_da_write_pages instrumentation for kernels < 3.11.0
321 * Fix: old kernels need module.h included before vermagic.h
322 * Fix: net instrumentation for kernels 2.6.39 and below
323 * Fix: version condition in makefile
324 * Implement wrapper around get_pfnblock_flags_mask
325 * Be more restrictive in provider name check
326 * Fix: net instrumentation namespacing
327 * Fix: compaction instrumentation namespacing
328 * Fix: Support 4.x kernel versions in Makefile
329 * Fix: remove stale TP_STRUCT_entry from kvm instrumentation
330 * Fix: add missing module.h include to lttng-probe-user.c
331 * Fix: use lttng hlist wrapper in wildcard and filter
332 * Fix: namespace asoc and kmem instrumentation
333 * Fix: update instrumentation after wildcard rebase
334 * Fix: lttng_abi_syscall_list does not need to be exported
335 * Migrate ARM, powerpc, MIPS syscall instrumentation to TP_FIELDS
336 * Remove now unused syscalls.h from lttng-modules
337 * Filter: start with enabler "disabled"
338 * Fix coverity warning about sizeof(void **) != sizeof(void *)
339 * Fix length type and text sequence base
340 * Fix: TP_FIELDS: add missing headers
341 * Migrate syscall instrumentation to TP_FIELDS
342 * Migrate tracepoint instrumentation to TP_FIELDS
343 * Implement filtering infrastructure
344 * syscall wildcards: apply syscall filtering
345 * Implement syscall wildcard support
346 * Implement tracepoint wildcard support
347 * Namespace all tracepoints
348 * Implement list.h wrapper for hlist in older kernels
349 * Implement listing of pid tracker content
350 * Implement PID tracking
351 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.14.36
352 * Fix: update writeback instrumentation for kernel 4.0+
353 * Fix: compaction mm_compaction_isolate_template update for Linux 4.0+
354 * Fix: kmem instrumentation update for mm_page_alloc_extfrag kernel 3.19.2+
355 * Fix: kmem instrumentation: mm_page_alloc extfrag change_ownership field
356 * Fix: missing parenthesis in offset_align_floor
357 * Fix: implement time.h wrapper for FD_ISSET
358 * Fix: update sched instrumentation for 3.19+ kernels
359 * Fix: update rcu instrumentation for 3.19+ kernels
360 * Fix: update scsi instrumentation for 3.19+ kernels
361 * Fix: update module instrumentation for 3.19+ kernels
362 * Fix: Add f_dentry wrapper for 3.19+ kernels
363 * Fix: introduce lttng_get_unused_fd() wrapper for 3.19 kernels
364 * Fix: lttng_this_cpu_ptr wrapper for kernel 3.19+
365 * Fix: Update btrfs instrumentation for 3.18 Linux kernel
366 * Fix compile error on kernel 3.0.101 with CONFIG_PERF_EVENTS
367 * Conditional compilation introduced by lttng-modules commit
368 * Fix: compaction instrumentation update for 3.14.x stable kernels
369 * Fix: context alignment not properly handled
370 * Fix compilation on Linux kernel >= 3.18.0
371 * Fix: build for architectures without HAVE_SYSCALL_TRACEPOINTS
372
af991434
MD
3732014-10-20 LTTng modules 2.6.0-rc1
374 * Expose lttng-modules ABI version ioctl
375 * Fix: syscall list ioctl number conflict
376 * lttng-modules: fix build for non-x86
377 * Fix: syscall listing of session
378 * Print build warning when writeback probe is disabled
379 * Add atomic.h wrapper for before/after atomic
380 * Fix compilation on Ubuntu 14.10
381 * Fix: export name as text array in writeback
382 * Cleanup: remove unused trace_clock_read32()
383 * Use 3.17 ktime_get_mono_fast_ns() new API
384 * Check for stale version.h files
385 * Fix: compile lttng_statedump_process_ns on Ubuntu
386 * Reverse version check logic in lttng_statedump_process_ns
387 * Fix block_rq_complete TP on Ubuntu kernel
388 * Introduce macros to check Ubuntu kernel version
389 * Sync writeback tracepoints from mainline
390 * Fix: redefinition of DEFINE_WRITEBACK_EVENT
391 * Fix: hander negative get_syscall_nr return value
392 * Fix: statedump: close_on_exec flag backward compat
393 * Fix instrumentation of vmscan for older kernels
394 * Fix: older kernels (3.2.x) don't undefine TRACE_SYSTEM
395 * Fix: syscall listing: handle "enable all syscall"
396 * Fix: don't allow disabling syscalls when none are enabled
397 * Fix: syscall: fail disable all if all already disabled
398 * Fix: syscall filtering: NULL pointer deref
399 * Cleanup: list syscall without syscall_entry prefix
400 * Fix: syscall_list_show NULL pointer deref
401 * implement syscall mask getter
402 * Cleanup: lttng-abi.h coding style
403 * syscall listing: show syscall ID
404 * Allow events with same name to be enabled for each channel
405 * ABI: use enable a syscall ABI field name
406 * Implement syscall listing
407 * Fix: tracepoint list anonymous file name
408 * Fix: syscall filtering: disable all syscalls
409 * syscall tracing: input/output parameter handling for all arch
410 * lttng-get-syscall-inout.sh depends on bash
411 * Fix generate syscall header script: add missing escape char
412 * syscall instrumentation: handle copy_from_user return value
413 * Rename LTTng syscall instrumentation macros
414 * Rename LTTng instrumentation macros
415 * Extract input/output arguments from accept and connect syscalls
416 * syscall: extract pipe and pipe2 output args
417 * Remove sys_ prefix from syscall names
418 * System call inout/output arg processing
419 * Update syscall inout table
420 * Add syscall inout table
421 * Extract syscall exit ret value on x86 32/64
422 * Extract system call exit return value
423 * Syscall filtering: apply to syscall exit
424 * System call filtering
425 * asoc.h: fix build with v3.17 kernel
426 * Fix: lttng-modules teardown NULL pointer OOPS
427 * Fix: handle concurrent flush vs get_next_subbuf on metadata cache
428 * Modernize README using Markdown
429 * Fix: OOT lttng_logger tracepoint not visible with signed kernels
430 * Add cscope to gitignore
431 * Update kvm instrumentation: compile on 3.17-rc1
432 * Update statedump to 3.17 nsproxy locking
433 * Fix: noargs probes should calculate alignment and event length
434 * Update compaction instrumentation to 3.16 kernel
435 * Update vmscan instrumentation to 3.16 kernel
436
789fd1d0
MD
4372014-07-16 (Take Your Poet to Work Day) LTTng modules 2.5.0
438 * (no change)
439
37cbcd7c
MD
4402014-06-27 LTTng modules 2.5.0-rc2
441 * Fix: statedump: check whether "files" is NULL, RCU semantic fix
442 * Fix: statedump handle oom case, handle errors
443 * Fix: correct typo in kernel version number
444 * Fix: blktrace instrumentation for backported branches
445 * Fix: statedump block devices OOPS
446
0d979364
MD
4472014-05-28 (International Hamburger Day) LTTng modules 2.5.0-rc1
448 * Add TID field to some block_* events
449 * Fix: refuse overwrite mode buffers with less than two subbuffers
450 * Fix: lttng modules system call generation script
451 * Dump FD flags and mode on state dump
452 * Fix: incorrect rwbs field type in block_bio_queue
453 * Fix: blktrace instrumentation for v3.2.58+ stable branch
454 * Fix: pass proper args when writing commit counter
455 * Cleanup: lib ringbuffer: pagecpy has unsigned semantic
456 * Fix: allow racy tracepoint string input from kernel and userspace
457 * Statedump event for block devices
458 * Fix: update v4l2 instrumentation to 3.15 kernel
459 * Fix: ext4 update instrumentation to 3.15 kernel
460 * Fix: update block instrumentation to 3.15 kernel
461 * Fix: module instrumentation: update to 3.15 kernel
462 * Adapt to 3.15 tracepoint API
463 * Kernel 3.15 don't define map unmap for pipe
464 * Fix: add missing module version in v4l2 probe
465 * Add V4L2 instrumentation
466 * Fix: rcu instrumentation: add const qualifier to char pointers
467 * Fix: add missing module version information
468 * Use kernel 3.13 syscall tables for MIPS32
469 * Add MIPS32 syscalls extracted from a 3.13 kernel
470 * Fix: block instrumentation: < 3.14 don't have bi_iter
471 * Fix: update btrfs instrumentation to kernel 3.14
472 * Fix: update block layer instrumentation to kernel 3.14
473 * Fix: remove __exit annotation
474 * Fix file permissions for lttng-statedump-impl.c
475 * LTTng logger ABI
476
fb2c3779
MD
4772014-02-28 (Public Sleeping Day) LTTng modules 2.4.0
478 * Fix: load state dump even if work-around lookup fails
479 * Cleanup: fix comment
480 * Fix: correctly version kvm events to build against v3.0 kernel
481 * Add extraversion (e.g. -rc4) to lttng-tracer modinfo
482
4be86211
MD
4832014-02-14 LTTng modules 2.4.0-rc4
484 * Fix: use after free in ring buffer clients
485 * Fix: Add statedump exit so module is not permanent
486 * Cleanup: move callback init to static initialization
487 * Fix: OOT lttng-statedump tracepoints not visible with signed kernels
488
00808267
MD
4892014-01-29 LTTng modules 2.4.0-rc3
490 * Fix: tracepoint event name mapping at unregister
491 * Fix: tracepoint name remapping
492 * Fix: enable event error path memory corruption
493 * Update kvm instrumentation to Linux 3.13
494 * Update sched instrumentation to Linux 3.13
495 * Fix: provide more precise error report for enable event
496 * Fix: quote event name in metadata
497 * Add version info to lttng-tracer.ko modinfo
498
0aa12233
MD
4992013-12-10 LTTng modules 2.4.0-rc2
500 * Fix: client_packet_header() uses wrong packet
501 * Cleanup: fix typo in ring buffer backend comment
502 * Fix: handle unknown event type parameter
503 * Fix: eliminate timestamp overlap between packets
504 * gcc blacklist: only apply when building with gcc
505 * Blacklist ARM gcc 4.8.0, 4.8.1, 4.8.2
506
223ca7c5
MD
5072013-11-15 LTTng modules 2.4.0-rc1
508 * Update ext4 instrumentation to Linux 3.12
509 * Update RCU instrumentation to Linux 3.12
510 * Update btrfs instrumentation to 3.12 kernel
511 * Update vmscan instrumentation to Linux 3.12
512 * update: kmem instrumentation 3.12 kernel support
513 * lttng-statedump-impl: Use generic hard irqs for Linux >= 3.12
514 * lttng-statedump-impl: Fix lttng_list_interrupts for empty implementation
515 * Import fix from LTSI: 3.4+ RT kernels use CONFIG_PREEMPT_RT_FULL
516 * Add new tracepoint in KVM
517 * Blacklist kernels 3.10.13 and 3.11.2
518 * LTTng trace-clock: shrink kernel blacklist
519 * Metadata flush writes data from the cache
520 * Per-stream ioctl to get the current timestamp
521 * LTTng ringbuffer ABI calls for index generation
522 * Prepare LTTng override of ring buffer fops
523 * Blacklist Linux kernels 3.10+
524
78c8710b
MD
5252013-09-03 LTTng modules 2.3.0
526 * Fix: metadata stream should not reference session
527 * Fix: btrfs: support 3.11 Linux kernel
528 * statedump: remove KERN_DEBUG messages
529 * Fix: ext4: add missing tracepoints for 3.11 kernel
530 * Fix: ext4: Linux 3.11 support
531 * Fix: ext3: 3.11 Linux support
532 * Fix: statedump nsproxy 3.11 Linux support
533
cf7ae3e6
MD
5342013-08-30 LTTng modules 2.3.0-rc2
535 * Fix: metadata lttng channel refcount
536 * README: lttng-modules incompatible with lttng 0.x patchset
537
54207845
MD
5382013-07-17 LTTng modules 2.3.0-rc1
539 * Fix: kvm x86 probes side-effect
540 * Fix: allow get/put subbuf in loop for metadata stream
541 * Add support for kvm x86 specific tracepoints
542 * Add mainline headers for kvm x86 tracepoints
543 * Remove old 3.0.4 x86-64 extracted syscall info
544 * Point the x86-64 overrides to newly extracted 3.10-rc7 files
545 * Add syscalls extracted files from a 3.10-rc7 kernel
546 * Improve documentation of the syscall extractor script
547 * Fix: double length of __dynamic_len array
548 * Fix printk instrumentation
549 * Introduce __dynamic_array_enc_ext_2() and tp_memcpy_dyn_2()
550 * Fix: ring buffer: get_subbuf() checks should be performed on "consumed" parameter
551 * Fix: SWITCH_FLUSH new sub-buffer checks
552 * Fix: ring buffer: handle concurrent update in nested buffer wrap around check
553 * Cleanup: lib_ring_buffer_switch_new_end() only calls subbuffer_set_data_size()
554 * Revert "Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()"
555 * Fix: handle writes of length 0
556 * Fix: ring buffer: RING_BUFFER_FLUSH ioctl buffer corruption
557 * Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()
558 * print warning and return -EBUSY on double get_subbuf()
559 * Add header to fix compilation of syscalls-extractor on 3.9 kernel
560 * Fix: don't do 0 byte event reservation
561 * Document that payload size need to be greater than 0
562 * Fix build and load against linux-2.6.33.x
563 * Fix: add missing CONFIG_COMPAT around lib_ring_buffer_compat_ioctl
564 * Metadata cache and multiple metadata channels
565 * fix block instrumentation probe signature mismatch for 3.9.x kernels
566 * fix: block instrumentation: NULL pointer dereference
567 * Update rcu instrumentation to 3.9.[0-4]
568 * Fix CPU hotplug section mismatches
569 * Add system calls definitions for powerpc-32
570 * Remove bashism in lttng-syscalls-generate-headers.sh
571 * Update ARM (32 bit) syscall tracepoints to 3.4
572
88c5f61b
MD
5732013-05-09 LTTng modules 2.2.0-rc2
574 * Remove useless lttng_metadata probe
575 * Fix: warning kvm_trace_exit_reason redefined for 3.9 kernel
576 * Fix: 3.9.0 block layer instrumentation build
577 * Revert "Stop build if CONFIG_TRACEPOINTS is not set"
578 * Stop build if CONFIG_TRACEPOINTS is not set
579 * Add comments to endifs.
580 * Fix: remove ARM set_tls system call override
581 * Cleanup: arm sys_mmap whitespace
582 * Clean up using global_dirty_limit wrapper for writeback probe
583
78062c79
MD
5842013-03-29 LTTng modules 2.2.0-rc1
585 * Update README
586 * Fix: vmscan instrumentation build
587 * writeback instrumentation: remove duplicated structures
588 * block: update instrumentation to 3.9 rc kernel
589 * rcu: update to 3.9 rc kernel instrumentation
590 * workqueue instrumentation: remove duplicated structures
591 * Rename odd event names
592 * Introduce API to remap event names exposed by LTTng
593 * lttng-module: sched.h: Fix compilation on 3.9 kernel
594 * Fix Linux 3.8 btrfs probe warning
595 * Fix Linux 3.8 ext4 probe support
596 * Fix 3.8 kernel support: namespace lttng_is_signed_type()
597 * Fix: don't flush-final for offset 0 if reader is on sub-buffer
598 * instrumentation sched: add missing fork pid info
599 * Fix check in lttng_strlen_user_inatomic
600 * instrumentation: sync with Linux commit a1ce392
601 * Fix: statedump: missing locking, use lttng_iterate_fd
602 * Implement lttng_iterate_fd wrapper
603 * Instrumentation cleanup: kmem events should print hex pointers
604 * Fix compilation of ext4 and btrfs tracepoints on 2.6.40 kernels
605 * Fix: statedump hang/too early completion due to logic error
606 * Fix: statedump hang due to incorrect wait/wakeup use
607 * put_ulong calls in lib_ring_buffer_compat_ioctl() should be compat
608 * wrapper/perf.h: Fix kernel version condition
609 * Add new kernel probes instrumentation
610 * Update kernel probes to more detailed match to kernel versions
611 * Fix possible kernel build errors with linux-patches
612 * Add missing MIT license text to 3 files under this license
613 * Update sites using kernel version checking macro to new range
614 * Make upper bound of kernel version checking macro exclusive
615 * sock instrumentation: fix fields to get referenced values
616 * ext3 instrumentation: fix of assignment code conversion
617 * sched instrumentation: rename "pid" fields in sched_process_exec
618 * Remove remaining semicolons in TP_fast_assign blocks
619 * Fix compilation for 3.0 kernels that are named 2.6.40
620 * Fix compilation for 3.0 branch (>= 3.0.39)
621 * Add kernel version checking macro
622 * Remove semicolons in TP_fast_assign blocks
623 * Add ifdefs to net probe to support Linux 2.6.39
624 * Add kernel probes for supplementary subsystems
625 * Check if interrupt action name is not null in statedump
626 * Fix exec instrumentation: only for kernels 3.4.0 and higher
627 * Add TRACE_EVENT(sched_process_exec) to sched.h
628 * lib/ringbuffer/frontend_api.h: Include linux/prefetch.h.
629 * Fix warning with 3.6.0 kernel
630 * ABI with support for compat 32/64 bits
631 * Perform calculation on bit size in 64-bit
632 * Use uint64_t for packet header content size and packet size
633 * Fix: compat layer only on supported architectures
634 * Fix ring buffer 32/64 bits compat
635 * Fix cleanup: move lttng-tracer-core.h include to lib ringbuffer config.h
636 * Fix ring_buffer_frontend.c: missing include lttng-tracer-core.h
637 * Fix: statedump missing check for NULL namespace
638
7cb1d0ee
MD
6392012-09-10 LTTng modules 2.1.0-rc1
640 * fix timestamps on architectures without CONFIG_KTIME_SCALAR
641 * Support for linux kernels 2.6.32 through 2.6.37
642 * Document limitation of vppid and ppid context wrt eventual RCU instrumentation
643 * Cleanup: no need to hold RCU read-side lock when reading current nsproxy
644 * Add env hostname information
645 * Fix: lttng_statedump_process_state for each PID NS has infinite loop
646 * lttng_statedump_process_state for each PID NS
647 * Support the hostname context
648 * Fix: statedump namespaced pid, tid and ppid
649 * Fix: statedump: disable vm maps enumeration
650 * Fix: ensure userspace accesses are done with _inatomic
651 * Fix: vppid context should test for current nsproxy
652 * Add MIPS system call support
653 * Change mode of lttng-syscalls-generate-headers.sh to 755
654 * cleanup: fix typo in syscall instrumentation header
655 * Cleanup: remove trailing whitespace in README
656 * trace event: introduce TP_MODULE_NOAUTOLOAD and TP_MODULE_NOINIT
657 * LTTng: probe-statedump: add #include <linux/sched.h>
658 * fix: signal_generate event should print utf8 for comm field
659 * Makes write operation a parameter for tp_memcpy macro
660 * Add coding style document
661 * Update instrumentation/events README file
662 * Add makefile target for preprocessor
663 * Fix: free_event_id check should compare unsigned int with -1U
664 * Use unsigned long type for events discarded counter
665 * Fix: update signal instrumentation for 3.4 kernel
666 * LTTng Modules ARM syscall instrumentation
667 * Fix: generate header missing echo -e for escape chars
668 * Fix: add missing uaccess.h include (for ARM)
669 * README: Document that CONFIG_MODULES is required
670 * Fix: README typo
671 * Fix: document required and optional kernel config options in README
672
d2a9270f
MD
6732012-03-29 LTTng modules 2.0.1
674 * Fix: is_compat_task !CONFIG_COMPAT compile error on kernels >= 3.3
675
6762012-03-20 LTTng modules 2.0.0
730e5783
MD
677 * First STABLE version
678 * Add version name
679
63be4822
MD
6802012-03-20 LTTng modules 2.0.0-rc4
681 * Update README and add version name place-holder
682
1bca821c
MD
6832012-03-16 LTTng modules 2.0.0-rc3
684 * Fix clock offset 32-bit multiplication overflow
685 * Fix : wrong assign of fd in state dump
686 * License cleanup, ifdef namespace cleanup
687 * Fix: ensure power of 2 check handles 64-bit size_t entirely
688
4d1704b6
MD
6892012-03-02 LTTng modules 2.0.0-rc2
690 * Fix: dmesg printout should not print metadata warnings
691 * Fix: use transport name as channel name
692 * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_subbuf
693
f66cbcc8
MD
6942012-02-20 LTTng modules 2.0.0-rc1
695 * Standardize version across toolchain
696 * statedump: Use old macro name for kernel 2.6.38
697
2646f1db
MD
6982012-02-16 LTTng modules 2.0-pre15
699 * Add timer instrumentation
700 * fix: need to undef mainline define
701 * fix: Include signal.h instead of irq.h for prototype match check
702 * Add signal instrumentation
703
3e8b3fb8
MD
7042012-02-16 LTTng modules 2.0-pre14
705 * syscall tracing: sys_getcpu
706 * Add sys_clone x86 instrumentation
707 * statedump: fix include circular dep
708 * Implement state dump
709
ed5a7a8f
MD
7102012-02-09 LTTng modules 2.0-pre13
711 * Update README
712 * environment: write sysname, release, version, domain to metadata
713 * Allow open /proc/lttng for read & write
714
497051bd
MD
7152012-02-02 LTTng modules 2.0-pre12
716 * Add x86 32/64 execve syscall instrumentation override
717 * Remove unused defines
718 * Add padding to ABI
719 * Use LTTNG_KERNEL_SYM_NAME_LEN
720 * Update version to 1.9.9
721 * Add missing double-quotes to clock uuid
722 * clock: read bootid as clock monotonic ID
723 * Fix comment
724 * Cleanup comment
725 * clock: output clock description in metadata
726 * Properly fix the timekeeping overflow detection
727 * Fix init bug
728 * rename lib-ring-buffer to lttng-lib-ring-buffer
729 * Remove #warning
730 * Mass rename: ltt_*/ltt-* to LTTNG_*/LTTNG-*
731 * Update TODO
732 * Update TODO
733 * Remove debugfs file (keep only proc file)
734 * Rename lttng-debugfs-abi files to lttng-abi
735
4d3e89e3
MD
7362011-12-13 LTTng modules 2.0-pre11
737 * Fix OOPS caused by reference of config pointer
738 * Gather detailed info from x86 64 32-bit compat syscall instrumentation
739 * lttng lib: ring buffer move null pointer check to open
740 * lttng lib: ring buffer remove duplicate null pointer
741 * lttng lib: ring buffer: remove stale null-pointer
742 * lttng wrapper: add missing include to kallsyms wrapper
743 * lttng: cleanup one-bit signed bitfields
744 * Add TODO file
745 * Update symbol name length max size to 256
746 * Fix last modifications to string_from_user operations
747 * Document that depmod needs to be executed by hand
748 * Fix strlen_user fault space reservation
749 * Fix tp_copy_string_from_user handling of faults
750 * Disable block layer tracing support for kernels < 2.6.38
751 * lttng context: perf counter, fix 32-bit vs 64-bit field size bug
752 * Update trace clock warning to match the current development plan
753 * ringbuffer: make ring buffer printk less verbose
754 * Makefile: do not run depmod manually
755
e2222c2e
MD
7562011-09-30 LTTng modules 2.0-pre10
757 * x86-32: override sys_mmap syscall instrumentation
758 * Fix cast warning
759
bfb508ed
MD
7602011-09-29 LTTng modules 2.0-pre9
761 * x86 32 syscalls: fix !CONFIG_UID16
762 * Use __string_from_user
763 * Add __string_from_user
764 * Rename "comm" context to "procname"
765 * Fetch "type" name field for mount syscall
766 * Create common override file for all architectures
767 * Shrink stack size usage
768 * Cleanup: remove unused lttng-compat-syscalls.c file
769 * Support detailed compat syscalls on x86_64
770 * Fix syscall table
771 * Add disabled compat syscalls detail (work in progress)
772 * Add config compat support for detailed x86_32 syscalls
773 * Handle newer 3.1+ perf API
774 * Add dummy x86-32 override headers
775 * Bind x86-32 syscall headers
776 * Add x86-32 syscall headers
777 * Add check for KALLSYMS_ALL in syscall extraction script
778 * Automate string extraction for syscalls
779 * Automate syscall filename/pathname extraction
780 * Add exit to ring_buffer_frontend so module is unloadable
781 * Add sys_open filename (x86_64)
782 * Add missing memcpy callback
783 * copy_from_user and memset
784 * Add missing alignment after header write
785 * lib ring buffer: add frontend init as module_init
786 * lib ring buffer frontend: add missing lock initialization
787 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address (missing file)
788 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address
789 * Create override for sys_mmap
790 * Rename syscalls -> syscall in LTTng ABI
791 * Use different event name for compat syscalls
792 * Allow trace syscall table override
793 * Add dummy override files
794 * syscall detail: add override capability
795 * Add pointer pretty-print heuristics
796 * Add __field_hex
797 * Rename sys exit errno into ret
798 * Enable detailed syscalls only for native x86_64
799 * Use "unknown" for compat syscalls
800 * Disable x86-64 specific detailed syscalls for now, until we deal with 32-bit compat
801 * Fix syscall exit
802 * Fix sys exit
803 * Only enable detailed syscalls for x86_64 for now
804 * Merge unknown syscall method with extended detail method
805 * Add underscore prefix before event names
806 * Add syscalls pointers detailed syscall tracing
807 * Use perl for regexp
808 * Support generation of syscall probes for those with pointers
809 * Support detailed syscalls with 0 arguments
810 * detailed syscall tracing (work in progress)
811 * Expose /proc/lttng file
812 * Implement detailed syscall event probe
813 * Disable perf build for < 2.6.33 kernels
814 * Syscall detail mode: generate syscall table
815 * block instrumentation: write cmd as hex sequence
816 * lttng-events TRACE_EVENT generator cleanup
817 * block layer instrumentation: fix cmd field
818 * Remove 0 args syscalls for now from type-aware syscall cb generator
819 * Generate trace syscall table macros
820 * Put syscall tracing without arg types back in place
821 * Detailed system call tracing (TRACE_EVENT() generation for integer support)
822 * lttng events probes: don't clash with "ctx" variable name
823 * lib ring buffer must take private pointer copy before decrementing refcount
824
47655e60
MD
8252011-08-16 LTTng modules 2.0-pre8
826 * Fix metadata buffer wait/wakeup
827
99a93317
MD
8282011-08-12 LTTng modules 2.0-pre7
829 * Add missing module refcount to lttng_tracepoint_list_fops
830 * Add license info about lib/ringbuffer/ring_buffer_mmap.c being GPLv2
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