Version 2.9.7
[lttng-modules.git] / ChangeLog
CommitLineData
9cad83fa
MD
12017-11-08 (National Cappuccino Day) LTTng modules 2.9.7
2 * Fix: lttng_kvmalloc helper NULL pointer OOPS
3
2e8be614
MD
42017-11-03 (National Sandwich Day) LTTng modules 2.9.6
5 * Fix: lttng-logger get_user_pages_fast error handling
6
c541df89
MD
72017-10-05 LTTng modules 2.9.5
8 * Fix: update block instrumentation for 4.14 kernel
9 * Revert "Fix: update block instrumentation for kernel 4.14"
10
c09ff1b2
MD
112017-10-03 (National Techies Day) LTTng modules 2.9.4
12 * Fix: version check error in btrfs instrumentation
13 * Fix: update btrfs instrumentation for kernel 4.14
14 * Fix: update writeback instrumentation for kernel 4.14
15 * Fix: update block instrumentation for kernel 4.14
16 * Fix: vmalloc wrapper on kernel < 2.6.38
17 * Fix: vmalloc wrapper on kernel >= 4.12
18 * Add kmalloc failover to vmalloc
19 * Fix: mmap: caches aliased on virtual addresses
20 * Fix: update ext4 instrumentation for kernel 4.13
21 * Fix: Sleeping function called from invalid context
22 * Fix: sched for v4.11.5-rt1
23 * Fix: handle missing ftrace header on v4.12
24
f783d427
MD
252017-06-12 (National Peanut Butter Cookie Day) LTTng modules 2.9.3
26 * Fix: pid tracker should track "pgid"
27 * Fix: Build ftrace probe on kernels prior to 4.12
28 * Fix: update ftrace probe for kernel 4.12
29 * Fix: update block instrumentation for kernel 4.12
30 * Fix: Add support for 4.9.27-rt18 kernel
31 * Fix: update btrfs instrumentation for kernel 4.12
32 * Fix: update ringbuffer for kernel 4.12
33 * Fix: update sched instrumentation for kernel 4.12
34 * Fix: ext3 was completely removed from the kernel in v4.3
35 * Fix: NULL pointer dereference of THIS_MODULE with built-in modules
36 * Fix: add "flush empty" ioctl for stream intersection
37 * Revert "Fix: flush empty packets on snapshot channel"
38 * Revert "Fix: don't perform extra flush on metadata channel"
39 * Fix: remove CONFIG_KALLSYMS_ALL warning on clean
40
f1450965
MD
412017-04-25 (National Zucchini Bread Day) LTTng modules 2.9.2
42 * Fix: Always build vmscan probe
43 * Fix: use of uninitialized ret value in lttng_abi_open_metadata_stream
44 * Fix: kref changes for kernel 4.11
45 * Fix: atomic_add_unless() returns true/false rather than prior value
46 * Fix: timers cputime_t arguments replaced by ull in kernel 4.11
47 * Fix: update scsi instrumentation for kernel 4.11
48 * Fix: changes to the vm_op fault cb prototype in libringbuffer
49 * Fix: update btrfs instrumentation for kernel 4.11
50 * Fix: update mm_vmscan instrumentation for kernel 4.11
51 * Fix: section mismatch warning caused by __exit annotation
52
5eade9b9
MD
532017-02-17 (National Cabbage Day) LTTng modules 2.9.1
54 * Fix: nmi-safe clock on 32-bit systems
55 * Fix: only include linux/cpuhotplug.h for kernels >= 4.10
56 * Fix: 4.10 hotplug adaptation backward compat
57 * Adapt lttng-modules to Linux 4.10 cpu hotplug state machine
58 * Fix: 4.10 btrfs instrumentation update backward compat
59 * Update btrfs instrumentation for 4.10 kernel
60 * btrfs instrumentation: update to 4.10 kernel
61 * timer instrumentation: adapt to ktime_t without union
62 * Fix: asoc instrumentation for RHEL 7.3
63 * Fix: SCSI instrumentation for SLES12 SP2
64 * Add SUSE Linux Enterprise kernel version tests
65
14979eda
MD
662016-11-29 (National Square Dance Day) LTTng modules 2.9.0
67 * Performance: add missing unlikely in reserve
68 * Fix: preemptible and migratable context error handling
69
a5de5832
MD
702016-10-13 (International Day for Failure) LTTng modules 2.9.0-rc2
71 * Fix: bump stable kernel version ranges for clock work-around
72
f8af63a2
MD
732016-10-07 (National Frappé Day) LTTng modules 2.9.0-rc1
74 * Fix: i2c: support kernels < 3.15
75 * Fix: show warning for broken clock work-around
76 * Bump minor ABI version
77 * Fix: work-around upstream Linux timekeeping bug
78 * Add support for i2c tracepoints
79 * Cleanup: makefile version checks with single "ge"
80 * Performance: special-case NULL in lttng_strlen_user_inatomic
81 * Fix: lttng_inline_memcpy does not take a __user argument
82 * Performance: implement lttng_inline_memcpy
83 * Performance: cache the backend pages pointer in context
84 * Cleanup: libringbuffer: remove duplicate pointer chasing in slow paths
85 * Performance: Only dereference commit index once
86 * Performance: Mark channel and buffer event disabled check unlikely
87 * Performance: Relax atomicity constraints for crash handling
88 * Performance: mark ring buffer do_copy callers always inline
89 * Performance: mark lib_ring_buffer_write always inline
90 * Kconfig: select TRACEPOINTS when built-in
91 * Performance: disable event counting by default
92 * Fix: handle large number of pages or subbuffers per buffer
93 * Fix: unregister cpu hotplug notifier on buffer alloc error
94 * Fix: sa_family is of type unsigned short
95 * Fix: check for sizeof sa_family to save sa_family in accept and connect
96 * Fix: use printk_once() for wrapper warning messages
97 * Fix: btrfs instrumentation for 4.8 kernel
98 * Fix: update mm_vmscan instrumentation for kernel 4.8
99 * Fix: napi instrumentation for 4.8 kernels
100 * Fix: update block instrumentation to compile on 4.8 kernels
101 * Cleanup: reuse code in accept() and accept4() instrumentation
102 * Add x86-64 override for accept4 syscall
103 * Fix: timer wrapper: support kernels >= 4.8
104 * Performance: split check deliver fast/slow paths
105 * Fix: x86-64 accept instrumentation
106 * Fix: Add support for 4.6.4-rt8 kernel
107 * Fix: update scsi instrumentation for 4.7+ kernels
108 * Fix: Use fs_initcall instead of rootfs_initcall
109 * Fix: Add kernel configuration for lttng clock plugin
110 * Fix: the clock plugin must be initiated before first use of the clock
111 * Fix: tests/Kbuild for older kernels
112 * Cleanup: __dynamic_len_idx set but not used warning
113 * Cleanup: coding style and comments of net.h
114 * net: Add TCP header data to net_* tracepoints
115 * net: Add IPv4/IPv6 header data to net_* tracepoints
116 * Fix: endianness for the container type of enum
117 * enumeration autoincrement: use if/else logic
118 * Cleanup trailing whitespaces
119 * lttng-test probe: test ctf_enum_auto()
120 * Add ctf_enum_auto() for autoincrementing enumeration values
121 * Implement session statedump command
122 * Fix: annotate bytecode interpreter for kernel stack validator
123 * Update version to 2.9.0-pre
124 * Fix: ring buffer: honor switch parameter type in remote switch
125 * Fix: only flush non-metadata channels
126 * Fix: don't perform extra flush on metadata channel
127 * select, poll and epoll_wait overrides on ARM 32-bit
128 * Fix: flush empty packets on snapshot channel
129 * Fix: do not generate packet at destroy after stop
130 * Fix: compat ioctl for flush/get metadata version
131 * Fix: ctf_string() should handle NULL pointers
132 * Fix: portability: no arith on void pointer
133 * Fix: add missing tests/Kbuild
134 * Test clock override plugin
135 * Fix: add modules target to base Makefile
136 * Fix: make clean does not include dot-config
137 * Fix: trigger build error if CONFIG_TRACEPOINTS is not set
138 * Documentation: document that CONFIG_MODULES not required when builtin
139 * Fix: add missing errno include in random wrapper
140 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.16.35
141 * Fix: copy_from_user size when limited allocation
142 * Extract the payload of epoll_wait/epoll_pwait
143 * Extract the payload for epoll_ctl
144 * Extract the FDs and flags from poll and ppoll
145 * Extract the FD sets in select and pselect6
146 * Add ctf_integer_bitfield_type
147 * Implement enumeration type
148 * Implement custom field support
149 * Implement variant type
150 * Implement shadow stack for dynamic len
151 * libringbuffer: implement event too big API
152 * Implement structure, compound array/sequence types
153 * Fix: integer endianness metadata generation
154 * Fix: endianness of integers received by filter
155 * Fix: writeback probe on RHEL >= 3.10.0-327.10.1
156 * Fix: RHEL kernel 3.10.0-327.13.1 compat
157 * Fix: ctf_user_integer should not trigger page fault
158 * Fix: lib_ring_buffer_copy_from_user_inatomic error handling
159 * Add comment describing ioctl number duplication
160 * Fix: remove unused gfpflags.h from btrfs and compaction instrumentation
161 * Fix: Remove dead code from filter interpreter
162 * Fix: x86 kvm mmutrace instrumentation for kernel < 3.6
163 * Fix: mm_vmscan instrumentation: remove unused gfpflags.h include
164 * Fix: use of uninitialized ret value in lttng_abi_create_event
165 * Fix: kmem instrumentation: remove unused gfpflags.h include
166 * Fix: 4.6 kernel: use in_compat_syscall
167 * Fix: use BUG_ON instead of accessing array subscript above array bounds
168 * Fix: Add granularity to RHEL kernel version checks
169
0dca9206
MD
1702016-03-18 (Awkward Moments Day) LTTng modules 2.8.0-rc1
171 * Bump minor tracer ABI version
172 * Fix: build against out-of-tree kernel build
173 * probes/Kbuild: remove upper level header path
174 * Move leftover relative include paths to system paths
175 * syscall instrumentation: use system headers
176 * tracepoint event instrumentation: use system headers
177 * Use system include path in wrappers
178 * libs: use system include paths
179 * Use system header paths in core implementation files
180 * Use system include paths in root directory headers
181 * Use system include paths in probes
182 * Update gitignore
183 * Use system include paths in lttng-types.h
184 * Use system include paths in lttng-tracepoint-event-impl.h
185 * Use system include path in probes/define_trace.h
186 * Use system include paths in probes/lttng-tracepoint-event-impl.h
187 * Rename probes/lttng-events.h to probes/lttng-tracepoint-event-impl.h
188 * Add makefile directory to include path
189 * Fix: event ctx get size should be after chan ctx
190 * Fix: filter interpreter with userspace strings
191 * Fix: rename kvm x86 TRACE_SYSTEM to avoid name clash
192 * Fix: format address fields as hexadecimal
193 * PowerPC-64 ABIv1: add build error if KALLSYMS_ALL is missing
194 * Fix: system call instrumentation overrides
195 * Fix: page_alloc wrapper incorrect parenthesis
196 * Fix: system call tracing for arm-64 compat !CONFIG_UID16
197 * Fix: add struct user_msghdr forward declaration for older kernels
198 * Cleanup: Remove unused lttng-types module
199 * Fix: add missing versions and init call for page_alloc wrapper
200 * Fix: Define lttng-tracer metadata only once
201 * Fix: Add CONFIG_LTTNG to modules_install target
202 * Fix: Use kbuild env instead of a custom var KERNELDIR
203 * Update clock offset comment
204 * clock offset: print negative value in metadata
205 * Fix: handle negative clock offset
206 * Fix: sched instrumentation for 4.1-rt11
207 * Add RT patch version macros
208 * Expect filter context identifiers starting with $ctx.
209 * ARM64: wire up compat system calls
210 * Add support for arm64 syscalls
211 * Fix: Ubuntu kernel range for block_rq_complete
212 * Fix: Ubuntu kernel range for mm_page_alloc_extfrag
213 * Fix: update vmscan instrumentation for kernel 4.5
214 * Fix: check reference counts for overflow
215 * Fix: RHEL 7.2 scsi instrumentation
216 * Fix: RHEL 7.2 kvm instrumentation
217 * Kconfig: describe both module and in-kernel compilation options
218 * Add comments and indentation to Makefile
219 * Add support for built-in kernel build
220 * Rename sub makefiles to Kbuild
221 * Cleanup sub makefiles
222 * Make goals configurable with CONFIG_LTTNG
223 * Fix: Use generic raw_irqs_disabled_flags
224 * Fix: Use MAX_RT_PRIO offset in sched_wakeup_template
225 * Fix: update sched instrumentation for kernel 4.4.0
226 * Bump version number for development branch
227 * Fix: interruptible context: reversed logic
228 * Contexts for RT debugging
229 * Fix: instrumentation: v4lv2 missing include
230 * Fix: header size larger than 256 bytes
231 * Instrument x86 page faults
232 * Fix: irq_vectors TRACE_SYSTEM name
233 * Instrument x86_irq_vectors
234 * Fix: tracepoint listing misses last loaded probe
235 * Fix: lttng trace-clock needs to disable preemption
236 * Tracepoint event: add "TP_code_post()"
237 * Implement array and sequence bitfields
238 * Fix: kmem: add mm.h include
239 * Add page frame number (pfn) to kmem page events
240 * Use pfn rather than struct page in ring buffer array
241 * Implement clock plugin support
242 * Command to regenerate the metadata of a session
243 * Fix: writeback instrumentation update for 4.3 Linux kernel
244 * Fix: update sched wakeup instrumentation for 4.3 kernel
245 * Fix: lttng-test build failure for kernels < 3.0
246 * Use 3.18 syscall instrumentation for MIPS32
247 * Update the MIPS32 syscall instrumentation to 3.18
248 * Fix: Move pipe override to the arch specific pointers_override.h
249 * Implement lttng test module
250 * Cleanup: remove logically dead code
251 * Fix: filter validator use after free
252 * Fix: use after free in channel release
253 * Fix: non-enabler events should be disabled by default
254 * Fix: build failure on 2.6.36
255 * Cleanup: split bdi_dirty_ratelimit with ifdef into separate macros
256 * Fix: writeback instrumentation for 4.2 kernels
257 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.18.10
258 * Add stream instance id to the packet header
259 * Add a packet sequence number
260 * Fix: kmem probe with Ubuntu 3.13 kernels
261 * Fix: disable kvm probe if lapic.h isn't found
262 * Fix: timer instrumentation for 4.2 kernels
263 * Fix: ext4 instrumentation for 4.2 kernels
264 * Fix: kvm instrumentation for 4.2 kernels
265 * Fix: allow LTTng to be built within kernel tree
266
2672015-07-15 (Pet Fire Safety Day) LTTng modules 2.7.0-rc1
f3586d94
MD
268 * Fix: Building the event list fails on fragmented memory
269 * Fix: use after free on metadata cache reallocation
270 * Fix: version checks for kernel 4.0
271 * Fix: Incorrect Ubuntu kernel patchlevel
272 * Fix: cpu-id context should use int type
273 * Implement cpu-id context
274 * Implement cpu_id context for filtering
275 * Fix: context printk mismatch on error
276 * Cleanup: misleading comment about deferrable timer
277 * Fix: arm-32 build
278 * Fix: Update kmem event for Ubuntu's 3.16 kernel
279 * Fix: RHEL 7.1 block instrumentation
280 * Fix: add RHEL version macros
281 * Fix: add missing parenthesis in ubuntu version check
282 * Fix: remove regmap instrumentation for kernels < 4.1
283 * Fix: Update kmem event for recent Ubuntu kernel
284 * Fix: missing statedump end event when block device listing available
285 * Fix: don't generate incorrect macros for debian/ubuntu version check
286 * Revert "Fix: build against Ubuntu kernels"
287 * Fix: build against Ubuntu kernels
288 * Add namespace info in sched_fork and statedump
289 * Fix: ext4 instrumentation: flags parameter did not exist prior to 3.11
290 * Fix: printk instrumentation: remove "condition" tracepoints
291 * Fix: regmap build against kernel 4.0 kernel headers
292 * Add mmu_valid_gen field to mmutrace events
293 * Fix: add missing x86 mmutrace kernel header include
294 * Fix: x86 mmutrace event extra field for kernels >= 3.11
295 * Fix: remove execute flag from kvm.h file
296 * Fix: build x86 kvm probes on kernels >= 4.1-rc1
297 * Fix: compilation on 4.1-rc1 kernel, remove unused WB_WORK_REASON
298 * Fix: 4.1-rc1 Linux build and regmap instrumentation
299 * Fix: don't clash with older Debian kernel versions
300 * Fix: update get_pfnblock_flags_mask wrapper for debian kernels
301 * Fix: discover Debian API
302 * Fix: Update README.md to match reality: kernels >= 2.6.36 are supported
303 * Fix: atomic.h wrapper for kernels < 2.6.37
304 * Fix: disable x86 kvm instrumentation for kernels < 2.6.38
305 * Fix: add missing types.h include for older kernels
306 * Fix: add hlist lttng wrappers
307 * Fix: add struct file_handle forward declaration
308 * Fix: string length calculation reversed user vs kernel args
309 * Fix: use lttng_rcu_dereference within lttng-syscalls.c
310 * Fix: add lttng rcu wrapper to allow tracing RCU
311 * Fix: double-unlock of session mutex
312 * Fix: check that class and instance prototype match
313 * Fix: lttng-events.h check function takes void
314 * Fix: regmap instrumentation for Linux 3.19.4 and 4.0
315 * Fix: kernels >= 2.6.33 put utsrelease.h in generated/
316 * Fix: Include utsrelease.h in lttng-kernel-version.h
317 * Fix: ext4 ext4_da_write_pages instrumentation for kernels < 3.11.0
318 * Fix: old kernels need module.h included before vermagic.h
319 * Fix: net instrumentation for kernels 2.6.39 and below
320 * Fix: version condition in makefile
321 * Implement wrapper around get_pfnblock_flags_mask
322 * Be more restrictive in provider name check
323 * Fix: net instrumentation namespacing
324 * Fix: compaction instrumentation namespacing
325 * Fix: Support 4.x kernel versions in Makefile
326 * Fix: remove stale TP_STRUCT_entry from kvm instrumentation
327 * Fix: add missing module.h include to lttng-probe-user.c
328 * Fix: use lttng hlist wrapper in wildcard and filter
329 * Fix: namespace asoc and kmem instrumentation
330 * Fix: update instrumentation after wildcard rebase
331 * Fix: lttng_abi_syscall_list does not need to be exported
332 * Migrate ARM, powerpc, MIPS syscall instrumentation to TP_FIELDS
333 * Remove now unused syscalls.h from lttng-modules
334 * Filter: start with enabler "disabled"
335 * Fix coverity warning about sizeof(void **) != sizeof(void *)
336 * Fix length type and text sequence base
337 * Fix: TP_FIELDS: add missing headers
338 * Migrate syscall instrumentation to TP_FIELDS
339 * Migrate tracepoint instrumentation to TP_FIELDS
340 * Implement filtering infrastructure
341 * syscall wildcards: apply syscall filtering
342 * Implement syscall wildcard support
343 * Implement tracepoint wildcard support
344 * Namespace all tracepoints
345 * Implement list.h wrapper for hlist in older kernels
346 * Implement listing of pid tracker content
347 * Implement PID tracking
348 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.14.36
349 * Fix: update writeback instrumentation for kernel 4.0+
350 * Fix: compaction mm_compaction_isolate_template update for Linux 4.0+
351 * Fix: kmem instrumentation update for mm_page_alloc_extfrag kernel 3.19.2+
352 * Fix: kmem instrumentation: mm_page_alloc extfrag change_ownership field
353 * Fix: missing parenthesis in offset_align_floor
354 * Fix: implement time.h wrapper for FD_ISSET
355 * Fix: update sched instrumentation for 3.19+ kernels
356 * Fix: update rcu instrumentation for 3.19+ kernels
357 * Fix: update scsi instrumentation for 3.19+ kernels
358 * Fix: update module instrumentation for 3.19+ kernels
359 * Fix: Add f_dentry wrapper for 3.19+ kernels
360 * Fix: introduce lttng_get_unused_fd() wrapper for 3.19 kernels
361 * Fix: lttng_this_cpu_ptr wrapper for kernel 3.19+
362 * Fix: Update btrfs instrumentation for 3.18 Linux kernel
363 * Fix compile error on kernel 3.0.101 with CONFIG_PERF_EVENTS
364 * Conditional compilation introduced by lttng-modules commit
365 * Fix: compaction instrumentation update for 3.14.x stable kernels
366 * Fix: context alignment not properly handled
367 * Fix compilation on Linux kernel >= 3.18.0
368 * Fix: build for architectures without HAVE_SYSCALL_TRACEPOINTS
369
af991434
MD
3702014-10-20 LTTng modules 2.6.0-rc1
371 * Expose lttng-modules ABI version ioctl
372 * Fix: syscall list ioctl number conflict
373 * lttng-modules: fix build for non-x86
374 * Fix: syscall listing of session
375 * Print build warning when writeback probe is disabled
376 * Add atomic.h wrapper for before/after atomic
377 * Fix compilation on Ubuntu 14.10
378 * Fix: export name as text array in writeback
379 * Cleanup: remove unused trace_clock_read32()
380 * Use 3.17 ktime_get_mono_fast_ns() new API
381 * Check for stale version.h files
382 * Fix: compile lttng_statedump_process_ns on Ubuntu
383 * Reverse version check logic in lttng_statedump_process_ns
384 * Fix block_rq_complete TP on Ubuntu kernel
385 * Introduce macros to check Ubuntu kernel version
386 * Sync writeback tracepoints from mainline
387 * Fix: redefinition of DEFINE_WRITEBACK_EVENT
388 * Fix: hander negative get_syscall_nr return value
389 * Fix: statedump: close_on_exec flag backward compat
390 * Fix instrumentation of vmscan for older kernels
391 * Fix: older kernels (3.2.x) don't undefine TRACE_SYSTEM
392 * Fix: syscall listing: handle "enable all syscall"
393 * Fix: don't allow disabling syscalls when none are enabled
394 * Fix: syscall: fail disable all if all already disabled
395 * Fix: syscall filtering: NULL pointer deref
396 * Cleanup: list syscall without syscall_entry prefix
397 * Fix: syscall_list_show NULL pointer deref
398 * implement syscall mask getter
399 * Cleanup: lttng-abi.h coding style
400 * syscall listing: show syscall ID
401 * Allow events with same name to be enabled for each channel
402 * ABI: use enable a syscall ABI field name
403 * Implement syscall listing
404 * Fix: tracepoint list anonymous file name
405 * Fix: syscall filtering: disable all syscalls
406 * syscall tracing: input/output parameter handling for all arch
407 * lttng-get-syscall-inout.sh depends on bash
408 * Fix generate syscall header script: add missing escape char
409 * syscall instrumentation: handle copy_from_user return value
410 * Rename LTTng syscall instrumentation macros
411 * Rename LTTng instrumentation macros
412 * Extract input/output arguments from accept and connect syscalls
413 * syscall: extract pipe and pipe2 output args
414 * Remove sys_ prefix from syscall names
415 * System call inout/output arg processing
416 * Update syscall inout table
417 * Add syscall inout table
418 * Extract syscall exit ret value on x86 32/64
419 * Extract system call exit return value
420 * Syscall filtering: apply to syscall exit
421 * System call filtering
422 * asoc.h: fix build with v3.17 kernel
423 * Fix: lttng-modules teardown NULL pointer OOPS
424 * Fix: handle concurrent flush vs get_next_subbuf on metadata cache
425 * Modernize README using Markdown
426 * Fix: OOT lttng_logger tracepoint not visible with signed kernels
427 * Add cscope to gitignore
428 * Update kvm instrumentation: compile on 3.17-rc1
429 * Update statedump to 3.17 nsproxy locking
430 * Fix: noargs probes should calculate alignment and event length
431 * Update compaction instrumentation to 3.16 kernel
432 * Update vmscan instrumentation to 3.16 kernel
433
789fd1d0
MD
4342014-07-16 (Take Your Poet to Work Day) LTTng modules 2.5.0
435 * (no change)
436
37cbcd7c
MD
4372014-06-27 LTTng modules 2.5.0-rc2
438 * Fix: statedump: check whether "files" is NULL, RCU semantic fix
439 * Fix: statedump handle oom case, handle errors
440 * Fix: correct typo in kernel version number
441 * Fix: blktrace instrumentation for backported branches
442 * Fix: statedump block devices OOPS
443
0d979364
MD
4442014-05-28 (International Hamburger Day) LTTng modules 2.5.0-rc1
445 * Add TID field to some block_* events
446 * Fix: refuse overwrite mode buffers with less than two subbuffers
447 * Fix: lttng modules system call generation script
448 * Dump FD flags and mode on state dump
449 * Fix: incorrect rwbs field type in block_bio_queue
450 * Fix: blktrace instrumentation for v3.2.58+ stable branch
451 * Fix: pass proper args when writing commit counter
452 * Cleanup: lib ringbuffer: pagecpy has unsigned semantic
453 * Fix: allow racy tracepoint string input from kernel and userspace
454 * Statedump event for block devices
455 * Fix: update v4l2 instrumentation to 3.15 kernel
456 * Fix: ext4 update instrumentation to 3.15 kernel
457 * Fix: update block instrumentation to 3.15 kernel
458 * Fix: module instrumentation: update to 3.15 kernel
459 * Adapt to 3.15 tracepoint API
460 * Kernel 3.15 don't define map unmap for pipe
461 * Fix: add missing module version in v4l2 probe
462 * Add V4L2 instrumentation
463 * Fix: rcu instrumentation: add const qualifier to char pointers
464 * Fix: add missing module version information
465 * Use kernel 3.13 syscall tables for MIPS32
466 * Add MIPS32 syscalls extracted from a 3.13 kernel
467 * Fix: block instrumentation: < 3.14 don't have bi_iter
468 * Fix: update btrfs instrumentation to kernel 3.14
469 * Fix: update block layer instrumentation to kernel 3.14
470 * Fix: remove __exit annotation
471 * Fix file permissions for lttng-statedump-impl.c
472 * LTTng logger ABI
473
fb2c3779
MD
4742014-02-28 (Public Sleeping Day) LTTng modules 2.4.0
475 * Fix: load state dump even if work-around lookup fails
476 * Cleanup: fix comment
477 * Fix: correctly version kvm events to build against v3.0 kernel
478 * Add extraversion (e.g. -rc4) to lttng-tracer modinfo
479
4be86211
MD
4802014-02-14 LTTng modules 2.4.0-rc4
481 * Fix: use after free in ring buffer clients
482 * Fix: Add statedump exit so module is not permanent
483 * Cleanup: move callback init to static initialization
484 * Fix: OOT lttng-statedump tracepoints not visible with signed kernels
485
00808267
MD
4862014-01-29 LTTng modules 2.4.0-rc3
487 * Fix: tracepoint event name mapping at unregister
488 * Fix: tracepoint name remapping
489 * Fix: enable event error path memory corruption
490 * Update kvm instrumentation to Linux 3.13
491 * Update sched instrumentation to Linux 3.13
492 * Fix: provide more precise error report for enable event
493 * Fix: quote event name in metadata
494 * Add version info to lttng-tracer.ko modinfo
495
0aa12233
MD
4962013-12-10 LTTng modules 2.4.0-rc2
497 * Fix: client_packet_header() uses wrong packet
498 * Cleanup: fix typo in ring buffer backend comment
499 * Fix: handle unknown event type parameter
500 * Fix: eliminate timestamp overlap between packets
501 * gcc blacklist: only apply when building with gcc
502 * Blacklist ARM gcc 4.8.0, 4.8.1, 4.8.2
503
223ca7c5
MD
5042013-11-15 LTTng modules 2.4.0-rc1
505 * Update ext4 instrumentation to Linux 3.12
506 * Update RCU instrumentation to Linux 3.12
507 * Update btrfs instrumentation to 3.12 kernel
508 * Update vmscan instrumentation to Linux 3.12
509 * update: kmem instrumentation 3.12 kernel support
510 * lttng-statedump-impl: Use generic hard irqs for Linux >= 3.12
511 * lttng-statedump-impl: Fix lttng_list_interrupts for empty implementation
512 * Import fix from LTSI: 3.4+ RT kernels use CONFIG_PREEMPT_RT_FULL
513 * Add new tracepoint in KVM
514 * Blacklist kernels 3.10.13 and 3.11.2
515 * LTTng trace-clock: shrink kernel blacklist
516 * Metadata flush writes data from the cache
517 * Per-stream ioctl to get the current timestamp
518 * LTTng ringbuffer ABI calls for index generation
519 * Prepare LTTng override of ring buffer fops
520 * Blacklist Linux kernels 3.10+
521
78c8710b
MD
5222013-09-03 LTTng modules 2.3.0
523 * Fix: metadata stream should not reference session
524 * Fix: btrfs: support 3.11 Linux kernel
525 * statedump: remove KERN_DEBUG messages
526 * Fix: ext4: add missing tracepoints for 3.11 kernel
527 * Fix: ext4: Linux 3.11 support
528 * Fix: ext3: 3.11 Linux support
529 * Fix: statedump nsproxy 3.11 Linux support
530
cf7ae3e6
MD
5312013-08-30 LTTng modules 2.3.0-rc2
532 * Fix: metadata lttng channel refcount
533 * README: lttng-modules incompatible with lttng 0.x patchset
534
54207845
MD
5352013-07-17 LTTng modules 2.3.0-rc1
536 * Fix: kvm x86 probes side-effect
537 * Fix: allow get/put subbuf in loop for metadata stream
538 * Add support for kvm x86 specific tracepoints
539 * Add mainline headers for kvm x86 tracepoints
540 * Remove old 3.0.4 x86-64 extracted syscall info
541 * Point the x86-64 overrides to newly extracted 3.10-rc7 files
542 * Add syscalls extracted files from a 3.10-rc7 kernel
543 * Improve documentation of the syscall extractor script
544 * Fix: double length of __dynamic_len array
545 * Fix printk instrumentation
546 * Introduce __dynamic_array_enc_ext_2() and tp_memcpy_dyn_2()
547 * Fix: ring buffer: get_subbuf() checks should be performed on "consumed" parameter
548 * Fix: SWITCH_FLUSH new sub-buffer checks
549 * Fix: ring buffer: handle concurrent update in nested buffer wrap around check
550 * Cleanup: lib_ring_buffer_switch_new_end() only calls subbuffer_set_data_size()
551 * Revert "Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()"
552 * Fix: handle writes of length 0
553 * Fix: ring buffer: RING_BUFFER_FLUSH ioctl buffer corruption
554 * Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()
555 * print warning and return -EBUSY on double get_subbuf()
556 * Add header to fix compilation of syscalls-extractor on 3.9 kernel
557 * Fix: don't do 0 byte event reservation
558 * Document that payload size need to be greater than 0
559 * Fix build and load against linux-2.6.33.x
560 * Fix: add missing CONFIG_COMPAT around lib_ring_buffer_compat_ioctl
561 * Metadata cache and multiple metadata channels
562 * fix block instrumentation probe signature mismatch for 3.9.x kernels
563 * fix: block instrumentation: NULL pointer dereference
564 * Update rcu instrumentation to 3.9.[0-4]
565 * Fix CPU hotplug section mismatches
566 * Add system calls definitions for powerpc-32
567 * Remove bashism in lttng-syscalls-generate-headers.sh
568 * Update ARM (32 bit) syscall tracepoints to 3.4
569
88c5f61b
MD
5702013-05-09 LTTng modules 2.2.0-rc2
571 * Remove useless lttng_metadata probe
572 * Fix: warning kvm_trace_exit_reason redefined for 3.9 kernel
573 * Fix: 3.9.0 block layer instrumentation build
574 * Revert "Stop build if CONFIG_TRACEPOINTS is not set"
575 * Stop build if CONFIG_TRACEPOINTS is not set
576 * Add comments to endifs.
577 * Fix: remove ARM set_tls system call override
578 * Cleanup: arm sys_mmap whitespace
579 * Clean up using global_dirty_limit wrapper for writeback probe
580
78062c79
MD
5812013-03-29 LTTng modules 2.2.0-rc1
582 * Update README
583 * Fix: vmscan instrumentation build
584 * writeback instrumentation: remove duplicated structures
585 * block: update instrumentation to 3.9 rc kernel
586 * rcu: update to 3.9 rc kernel instrumentation
587 * workqueue instrumentation: remove duplicated structures
588 * Rename odd event names
589 * Introduce API to remap event names exposed by LTTng
590 * lttng-module: sched.h: Fix compilation on 3.9 kernel
591 * Fix Linux 3.8 btrfs probe warning
592 * Fix Linux 3.8 ext4 probe support
593 * Fix 3.8 kernel support: namespace lttng_is_signed_type()
594 * Fix: don't flush-final for offset 0 if reader is on sub-buffer
595 * instrumentation sched: add missing fork pid info
596 * Fix check in lttng_strlen_user_inatomic
597 * instrumentation: sync with Linux commit a1ce392
598 * Fix: statedump: missing locking, use lttng_iterate_fd
599 * Implement lttng_iterate_fd wrapper
600 * Instrumentation cleanup: kmem events should print hex pointers
601 * Fix compilation of ext4 and btrfs tracepoints on 2.6.40 kernels
602 * Fix: statedump hang/too early completion due to logic error
603 * Fix: statedump hang due to incorrect wait/wakeup use
604 * put_ulong calls in lib_ring_buffer_compat_ioctl() should be compat
605 * wrapper/perf.h: Fix kernel version condition
606 * Add new kernel probes instrumentation
607 * Update kernel probes to more detailed match to kernel versions
608 * Fix possible kernel build errors with linux-patches
609 * Add missing MIT license text to 3 files under this license
610 * Update sites using kernel version checking macro to new range
611 * Make upper bound of kernel version checking macro exclusive
612 * sock instrumentation: fix fields to get referenced values
613 * ext3 instrumentation: fix of assignment code conversion
614 * sched instrumentation: rename "pid" fields in sched_process_exec
615 * Remove remaining semicolons in TP_fast_assign blocks
616 * Fix compilation for 3.0 kernels that are named 2.6.40
617 * Fix compilation for 3.0 branch (>= 3.0.39)
618 * Add kernel version checking macro
619 * Remove semicolons in TP_fast_assign blocks
620 * Add ifdefs to net probe to support Linux 2.6.39
621 * Add kernel probes for supplementary subsystems
622 * Check if interrupt action name is not null in statedump
623 * Fix exec instrumentation: only for kernels 3.4.0 and higher
624 * Add TRACE_EVENT(sched_process_exec) to sched.h
625 * lib/ringbuffer/frontend_api.h: Include linux/prefetch.h.
626 * Fix warning with 3.6.0 kernel
627 * ABI with support for compat 32/64 bits
628 * Perform calculation on bit size in 64-bit
629 * Use uint64_t for packet header content size and packet size
630 * Fix: compat layer only on supported architectures
631 * Fix ring buffer 32/64 bits compat
632 * Fix cleanup: move lttng-tracer-core.h include to lib ringbuffer config.h
633 * Fix ring_buffer_frontend.c: missing include lttng-tracer-core.h
634 * Fix: statedump missing check for NULL namespace
635
7cb1d0ee
MD
6362012-09-10 LTTng modules 2.1.0-rc1
637 * fix timestamps on architectures without CONFIG_KTIME_SCALAR
638 * Support for linux kernels 2.6.32 through 2.6.37
639 * Document limitation of vppid and ppid context wrt eventual RCU instrumentation
640 * Cleanup: no need to hold RCU read-side lock when reading current nsproxy
641 * Add env hostname information
642 * Fix: lttng_statedump_process_state for each PID NS has infinite loop
643 * lttng_statedump_process_state for each PID NS
644 * Support the hostname context
645 * Fix: statedump namespaced pid, tid and ppid
646 * Fix: statedump: disable vm maps enumeration
647 * Fix: ensure userspace accesses are done with _inatomic
648 * Fix: vppid context should test for current nsproxy
649 * Add MIPS system call support
650 * Change mode of lttng-syscalls-generate-headers.sh to 755
651 * cleanup: fix typo in syscall instrumentation header
652 * Cleanup: remove trailing whitespace in README
653 * trace event: introduce TP_MODULE_NOAUTOLOAD and TP_MODULE_NOINIT
654 * LTTng: probe-statedump: add #include <linux/sched.h>
655 * fix: signal_generate event should print utf8 for comm field
656 * Makes write operation a parameter for tp_memcpy macro
657 * Add coding style document
658 * Update instrumentation/events README file
659 * Add makefile target for preprocessor
660 * Fix: free_event_id check should compare unsigned int with -1U
661 * Use unsigned long type for events discarded counter
662 * Fix: update signal instrumentation for 3.4 kernel
663 * LTTng Modules ARM syscall instrumentation
664 * Fix: generate header missing echo -e for escape chars
665 * Fix: add missing uaccess.h include (for ARM)
666 * README: Document that CONFIG_MODULES is required
667 * Fix: README typo
668 * Fix: document required and optional kernel config options in README
669
d2a9270f
MD
6702012-03-29 LTTng modules 2.0.1
671 * Fix: is_compat_task !CONFIG_COMPAT compile error on kernels >= 3.3
672
6732012-03-20 LTTng modules 2.0.0
730e5783
MD
674 * First STABLE version
675 * Add version name
676
63be4822
MD
6772012-03-20 LTTng modules 2.0.0-rc4
678 * Update README and add version name place-holder
679
1bca821c
MD
6802012-03-16 LTTng modules 2.0.0-rc3
681 * Fix clock offset 32-bit multiplication overflow
682 * Fix : wrong assign of fd in state dump
683 * License cleanup, ifdef namespace cleanup
684 * Fix: ensure power of 2 check handles 64-bit size_t entirely
685
4d1704b6
MD
6862012-03-02 LTTng modules 2.0.0-rc2
687 * Fix: dmesg printout should not print metadata warnings
688 * Fix: use transport name as channel name
689 * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_subbuf
690
f66cbcc8
MD
6912012-02-20 LTTng modules 2.0.0-rc1
692 * Standardize version across toolchain
693 * statedump: Use old macro name for kernel 2.6.38
694
2646f1db
MD
6952012-02-16 LTTng modules 2.0-pre15
696 * Add timer instrumentation
697 * fix: need to undef mainline define
698 * fix: Include signal.h instead of irq.h for prototype match check
699 * Add signal instrumentation
700
3e8b3fb8
MD
7012012-02-16 LTTng modules 2.0-pre14
702 * syscall tracing: sys_getcpu
703 * Add sys_clone x86 instrumentation
704 * statedump: fix include circular dep
705 * Implement state dump
706
ed5a7a8f
MD
7072012-02-09 LTTng modules 2.0-pre13
708 * Update README
709 * environment: write sysname, release, version, domain to metadata
710 * Allow open /proc/lttng for read & write
711
497051bd
MD
7122012-02-02 LTTng modules 2.0-pre12
713 * Add x86 32/64 execve syscall instrumentation override
714 * Remove unused defines
715 * Add padding to ABI
716 * Use LTTNG_KERNEL_SYM_NAME_LEN
717 * Update version to 1.9.9
718 * Add missing double-quotes to clock uuid
719 * clock: read bootid as clock monotonic ID
720 * Fix comment
721 * Cleanup comment
722 * clock: output clock description in metadata
723 * Properly fix the timekeeping overflow detection
724 * Fix init bug
725 * rename lib-ring-buffer to lttng-lib-ring-buffer
726 * Remove #warning
727 * Mass rename: ltt_*/ltt-* to LTTNG_*/LTTNG-*
728 * Update TODO
729 * Update TODO
730 * Remove debugfs file (keep only proc file)
731 * Rename lttng-debugfs-abi files to lttng-abi
732
4d3e89e3
MD
7332011-12-13 LTTng modules 2.0-pre11
734 * Fix OOPS caused by reference of config pointer
735 * Gather detailed info from x86 64 32-bit compat syscall instrumentation
736 * lttng lib: ring buffer move null pointer check to open
737 * lttng lib: ring buffer remove duplicate null pointer
738 * lttng lib: ring buffer: remove stale null-pointer
739 * lttng wrapper: add missing include to kallsyms wrapper
740 * lttng: cleanup one-bit signed bitfields
741 * Add TODO file
742 * Update symbol name length max size to 256
743 * Fix last modifications to string_from_user operations
744 * Document that depmod needs to be executed by hand
745 * Fix strlen_user fault space reservation
746 * Fix tp_copy_string_from_user handling of faults
747 * Disable block layer tracing support for kernels < 2.6.38
748 * lttng context: perf counter, fix 32-bit vs 64-bit field size bug
749 * Update trace clock warning to match the current development plan
750 * ringbuffer: make ring buffer printk less verbose
751 * Makefile: do not run depmod manually
752
e2222c2e
MD
7532011-09-30 LTTng modules 2.0-pre10
754 * x86-32: override sys_mmap syscall instrumentation
755 * Fix cast warning
756
bfb508ed
MD
7572011-09-29 LTTng modules 2.0-pre9
758 * x86 32 syscalls: fix !CONFIG_UID16
759 * Use __string_from_user
760 * Add __string_from_user
761 * Rename "comm" context to "procname"
762 * Fetch "type" name field for mount syscall
763 * Create common override file for all architectures
764 * Shrink stack size usage
765 * Cleanup: remove unused lttng-compat-syscalls.c file
766 * Support detailed compat syscalls on x86_64
767 * Fix syscall table
768 * Add disabled compat syscalls detail (work in progress)
769 * Add config compat support for detailed x86_32 syscalls
770 * Handle newer 3.1+ perf API
771 * Add dummy x86-32 override headers
772 * Bind x86-32 syscall headers
773 * Add x86-32 syscall headers
774 * Add check for KALLSYMS_ALL in syscall extraction script
775 * Automate string extraction for syscalls
776 * Automate syscall filename/pathname extraction
777 * Add exit to ring_buffer_frontend so module is unloadable
778 * Add sys_open filename (x86_64)
779 * Add missing memcpy callback
780 * copy_from_user and memset
781 * Add missing alignment after header write
782 * lib ring buffer: add frontend init as module_init
783 * lib ring buffer frontend: add missing lock initialization
784 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address (missing file)
785 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address
786 * Create override for sys_mmap
787 * Rename syscalls -> syscall in LTTng ABI
788 * Use different event name for compat syscalls
789 * Allow trace syscall table override
790 * Add dummy override files
791 * syscall detail: add override capability
792 * Add pointer pretty-print heuristics
793 * Add __field_hex
794 * Rename sys exit errno into ret
795 * Enable detailed syscalls only for native x86_64
796 * Use "unknown" for compat syscalls
797 * Disable x86-64 specific detailed syscalls for now, until we deal with 32-bit compat
798 * Fix syscall exit
799 * Fix sys exit
800 * Only enable detailed syscalls for x86_64 for now
801 * Merge unknown syscall method with extended detail method
802 * Add underscore prefix before event names
803 * Add syscalls pointers detailed syscall tracing
804 * Use perl for regexp
805 * Support generation of syscall probes for those with pointers
806 * Support detailed syscalls with 0 arguments
807 * detailed syscall tracing (work in progress)
808 * Expose /proc/lttng file
809 * Implement detailed syscall event probe
810 * Disable perf build for < 2.6.33 kernels
811 * Syscall detail mode: generate syscall table
812 * block instrumentation: write cmd as hex sequence
813 * lttng-events TRACE_EVENT generator cleanup
814 * block layer instrumentation: fix cmd field
815 * Remove 0 args syscalls for now from type-aware syscall cb generator
816 * Generate trace syscall table macros
817 * Put syscall tracing without arg types back in place
818 * Detailed system call tracing (TRACE_EVENT() generation for integer support)
819 * lttng events probes: don't clash with "ctx" variable name
820 * lib ring buffer must take private pointer copy before decrementing refcount
821
47655e60
MD
8222011-08-16 LTTng modules 2.0-pre8
823 * Fix metadata buffer wait/wakeup
824
99a93317
MD
8252011-08-12 LTTng modules 2.0-pre7
826 * Add missing module refcount to lttng_tracepoint_list_fops
827 * Add license info about lib/ringbuffer/ring_buffer_mmap.c being GPLv2
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