1 2018-01-30 (National Croissant Day) LTTng modules 2.9.8
2 * Fix: network instrumentation protocol enum
3 * Fix: update btrfs instrumentation for SuSE 4.4.103-6
4 * Fix: update block instrumentation for SuSE 4.4.73-5
5 * Fix: global_dirty_limit for kernel v4.2 and up
6 * Fix: network instrumentation handling of corrupted TCP headers
7 * Fix: add missing uaccess.h include from kstrtox.h wrapper
8 * Update: kvm instrumentation for 4.14.14+, 4.9.77+, 4.4.112+
9 * Fix: btrfs_delayed_ref_head was unwired since v3.12
10 * Update kvm instrumentation for debian kernel 4.9.65-3
11 * Fix: debian kernel version parsing
12 * Fix: block instrumentation 4.14+ NULL pointer dereference
13 * Update: kvm instrumentation for 3.16.52 and 3.2.97
14 * Fix: kvm instrumentation for 4.15
15 * Update sock instrumentation for 4.15
16 * Update kvm instrumentation for 4.15
17 * Fix: ACCESS_ONCE() removed in kernel 4.15
18 * Fix: sched instrumentation on stable RT kernels
19 * timer API transition for kernel 4.15
20 * Fix: Don't nest get online cpus
21 * Fix: lttng_channel_syscall_mask() bool use in bitfield
22 * Fix: update kmem instrumentation for kernel 4.15
24 2017-11-08 (National Cappuccino Day) LTTng modules 2.9.7
25 * Fix: lttng_kvmalloc helper NULL pointer OOPS
27 2017-11-03 (National Sandwich Day) LTTng modules 2.9.6
28 * Fix: lttng-logger get_user_pages_fast error handling
30 2017-10-05 LTTng modules 2.9.5
31 * Fix: update block instrumentation for 4.14 kernel
32 * Revert "Fix: update block instrumentation for kernel 4.14"
34 2017-10-03 (National Techies Day) LTTng modules 2.9.4
35 * Fix: version check error in btrfs instrumentation
36 * Fix: update btrfs instrumentation for kernel 4.14
37 * Fix: update writeback instrumentation for kernel 4.14
38 * Fix: update block instrumentation for kernel 4.14
39 * Fix: vmalloc wrapper on kernel < 2.6.38
40 * Fix: vmalloc wrapper on kernel >= 4.12
41 * Add kmalloc failover to vmalloc
42 * Fix: mmap: caches aliased on virtual addresses
43 * Fix: update ext4 instrumentation for kernel 4.13
44 * Fix: Sleeping function called from invalid context
45 * Fix: sched for v4.11.5-rt1
46 * Fix: handle missing ftrace header on v4.12
48 2017-06-12 (National Peanut Butter Cookie Day) LTTng modules 2.9.3
49 * Fix: pid tracker should track "pgid"
50 * Fix: Build ftrace probe on kernels prior to 4.12
51 * Fix: update ftrace probe for kernel 4.12
52 * Fix: update block instrumentation for kernel 4.12
53 * Fix: Add support for 4.9.27-rt18 kernel
54 * Fix: update btrfs instrumentation for kernel 4.12
55 * Fix: update ringbuffer for kernel 4.12
56 * Fix: update sched instrumentation for kernel 4.12
57 * Fix: ext3 was completely removed from the kernel in v4.3
58 * Fix: NULL pointer dereference of THIS_MODULE with built-in modules
59 * Fix: add "flush empty" ioctl for stream intersection
60 * Revert "Fix: flush empty packets on snapshot channel"
61 * Revert "Fix: don't perform extra flush on metadata channel"
62 * Fix: remove CONFIG_KALLSYMS_ALL warning on clean
64 2017-04-25 (National Zucchini Bread Day) LTTng modules 2.9.2
65 * Fix: Always build vmscan probe
66 * Fix: use of uninitialized ret value in lttng_abi_open_metadata_stream
67 * Fix: kref changes for kernel 4.11
68 * Fix: atomic_add_unless() returns true/false rather than prior value
69 * Fix: timers cputime_t arguments replaced by ull in kernel 4.11
70 * Fix: update scsi instrumentation for kernel 4.11
71 * Fix: changes to the vm_op fault cb prototype in libringbuffer
72 * Fix: update btrfs instrumentation for kernel 4.11
73 * Fix: update mm_vmscan instrumentation for kernel 4.11
74 * Fix: section mismatch warning caused by __exit annotation
76 2017-02-17 (National Cabbage Day) LTTng modules 2.9.1
77 * Fix: nmi-safe clock on 32-bit systems
78 * Fix: only include linux/cpuhotplug.h for kernels >= 4.10
79 * Fix: 4.10 hotplug adaptation backward compat
80 * Adapt lttng-modules to Linux 4.10 cpu hotplug state machine
81 * Fix: 4.10 btrfs instrumentation update backward compat
82 * Update btrfs instrumentation for 4.10 kernel
83 * btrfs instrumentation: update to 4.10 kernel
84 * timer instrumentation: adapt to ktime_t without union
85 * Fix: asoc instrumentation for RHEL 7.3
86 * Fix: SCSI instrumentation for SLES12 SP2
87 * Add SUSE Linux Enterprise kernel version tests
89 2016-11-29 (National Square Dance Day) LTTng modules 2.9.0
90 * Performance: add missing unlikely in reserve
91 * Fix: preemptible and migratable context error handling
93 2016-10-13 (International Day for Failure) LTTng modules 2.9.0-rc2
94 * Fix: bump stable kernel version ranges for clock work-around
96 2016-10-07 (National Frappé Day) LTTng modules 2.9.0-rc1
97 * Fix: i2c: support kernels < 3.15
98 * Fix: show warning for broken clock work-around
99 * Bump minor ABI version
100 * Fix: work-around upstream Linux timekeeping bug
101 * Add support for i2c tracepoints
102 * Cleanup: makefile version checks with single "ge"
103 * Performance: special-case NULL in lttng_strlen_user_inatomic
104 * Fix: lttng_inline_memcpy does not take a __user argument
105 * Performance: implement lttng_inline_memcpy
106 * Performance: cache the backend pages pointer in context
107 * Cleanup: libringbuffer: remove duplicate pointer chasing in slow paths
108 * Performance: Only dereference commit index once
109 * Performance: Mark channel and buffer event disabled check unlikely
110 * Performance: Relax atomicity constraints for crash handling
111 * Performance: mark ring buffer do_copy callers always inline
112 * Performance: mark lib_ring_buffer_write always inline
113 * Kconfig: select TRACEPOINTS when built-in
114 * Performance: disable event counting by default
115 * Fix: handle large number of pages or subbuffers per buffer
116 * Fix: unregister cpu hotplug notifier on buffer alloc error
117 * Fix: sa_family is of type unsigned short
118 * Fix: check for sizeof sa_family to save sa_family in accept and connect
119 * Fix: use printk_once() for wrapper warning messages
120 * Fix: btrfs instrumentation for 4.8 kernel
121 * Fix: update mm_vmscan instrumentation for kernel 4.8
122 * Fix: napi instrumentation for 4.8 kernels
123 * Fix: update block instrumentation to compile on 4.8 kernels
124 * Cleanup: reuse code in accept() and accept4() instrumentation
125 * Add x86-64 override for accept4 syscall
126 * Fix: timer wrapper: support kernels >= 4.8
127 * Performance: split check deliver fast/slow paths
128 * Fix: x86-64 accept instrumentation
129 * Fix: Add support for 4.6.4-rt8 kernel
130 * Fix: update scsi instrumentation for 4.7+ kernels
131 * Fix: Use fs_initcall instead of rootfs_initcall
132 * Fix: Add kernel configuration for lttng clock plugin
133 * Fix: the clock plugin must be initiated before first use of the clock
134 * Fix: tests/Kbuild for older kernels
135 * Cleanup: __dynamic_len_idx set but not used warning
136 * Cleanup: coding style and comments of net.h
137 * net: Add TCP header data to net_* tracepoints
138 * net: Add IPv4/IPv6 header data to net_* tracepoints
139 * Fix: endianness for the container type of enum
140 * enumeration autoincrement: use if/else logic
141 * Cleanup trailing whitespaces
142 * lttng-test probe: test ctf_enum_auto()
143 * Add ctf_enum_auto() for autoincrementing enumeration values
144 * Implement session statedump command
145 * Fix: annotate bytecode interpreter for kernel stack validator
146 * Update version to 2.9.0-pre
147 * Fix: ring buffer: honor switch parameter type in remote switch
148 * Fix: only flush non-metadata channels
149 * Fix: don't perform extra flush on metadata channel
150 * select, poll and epoll_wait overrides on ARM 32-bit
151 * Fix: flush empty packets on snapshot channel
152 * Fix: do not generate packet at destroy after stop
153 * Fix: compat ioctl for flush/get metadata version
154 * Fix: ctf_string() should handle NULL pointers
155 * Fix: portability: no arith on void pointer
156 * Fix: add missing tests/Kbuild
157 * Test clock override plugin
158 * Fix: add modules target to base Makefile
159 * Fix: make clean does not include dot-config
160 * Fix: trigger build error if CONFIG_TRACEPOINTS is not set
161 * Documentation: document that CONFIG_MODULES not required when builtin
162 * Fix: add missing errno include in random wrapper
163 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.16.35
164 * Fix: copy_from_user size when limited allocation
165 * Extract the payload of epoll_wait/epoll_pwait
166 * Extract the payload for epoll_ctl
167 * Extract the FDs and flags from poll and ppoll
168 * Extract the FD sets in select and pselect6
169 * Add ctf_integer_bitfield_type
170 * Implement enumeration type
171 * Implement custom field support
172 * Implement variant type
173 * Implement shadow stack for dynamic len
174 * libringbuffer: implement event too big API
175 * Implement structure, compound array/sequence types
176 * Fix: integer endianness metadata generation
177 * Fix: endianness of integers received by filter
178 * Fix: writeback probe on RHEL >= 3.10.0-327.10.1
179 * Fix: RHEL kernel 3.10.0-327.13.1 compat
180 * Fix: ctf_user_integer should not trigger page fault
181 * Fix: lib_ring_buffer_copy_from_user_inatomic error handling
182 * Add comment describing ioctl number duplication
183 * Fix: remove unused gfpflags.h from btrfs and compaction instrumentation
184 * Fix: Remove dead code from filter interpreter
185 * Fix: x86 kvm mmutrace instrumentation for kernel < 3.6
186 * Fix: mm_vmscan instrumentation: remove unused gfpflags.h include
187 * Fix: use of uninitialized ret value in lttng_abi_create_event
188 * Fix: kmem instrumentation: remove unused gfpflags.h include
189 * Fix: 4.6 kernel: use in_compat_syscall
190 * Fix: use BUG_ON instead of accessing array subscript above array bounds
191 * Fix: Add granularity to RHEL kernel version checks
193 2016-03-18 (Awkward Moments Day) LTTng modules 2.8.0-rc1
194 * Bump minor tracer ABI version
195 * Fix: build against out-of-tree kernel build
196 * probes/Kbuild: remove upper level header path
197 * Move leftover relative include paths to system paths
198 * syscall instrumentation: use system headers
199 * tracepoint event instrumentation: use system headers
200 * Use system include path in wrappers
201 * libs: use system include paths
202 * Use system header paths in core implementation files
203 * Use system include paths in root directory headers
204 * Use system include paths in probes
206 * Use system include paths in lttng-types.h
207 * Use system include paths in lttng-tracepoint-event-impl.h
208 * Use system include path in probes/define_trace.h
209 * Use system include paths in probes/lttng-tracepoint-event-impl.h
210 * Rename probes/lttng-events.h to probes/lttng-tracepoint-event-impl.h
211 * Add makefile directory to include path
212 * Fix: event ctx get size should be after chan ctx
213 * Fix: filter interpreter with userspace strings
214 * Fix: rename kvm x86 TRACE_SYSTEM to avoid name clash
215 * Fix: format address fields as hexadecimal
216 * PowerPC-64 ABIv1: add build error if KALLSYMS_ALL is missing
217 * Fix: system call instrumentation overrides
218 * Fix: page_alloc wrapper incorrect parenthesis
219 * Fix: system call tracing for arm-64 compat !CONFIG_UID16
220 * Fix: add struct user_msghdr forward declaration for older kernels
221 * Cleanup: Remove unused lttng-types module
222 * Fix: add missing versions and init call for page_alloc wrapper
223 * Fix: Define lttng-tracer metadata only once
224 * Fix: Add CONFIG_LTTNG to modules_install target
225 * Fix: Use kbuild env instead of a custom var KERNELDIR
226 * Update clock offset comment
227 * clock offset: print negative value in metadata
228 * Fix: handle negative clock offset
229 * Fix: sched instrumentation for 4.1-rt11
230 * Add RT patch version macros
231 * Expect filter context identifiers starting with $ctx.
232 * ARM64: wire up compat system calls
233 * Add support for arm64 syscalls
234 * Fix: Ubuntu kernel range for block_rq_complete
235 * Fix: Ubuntu kernel range for mm_page_alloc_extfrag
236 * Fix: update vmscan instrumentation for kernel 4.5
237 * Fix: check reference counts for overflow
238 * Fix: RHEL 7.2 scsi instrumentation
239 * Fix: RHEL 7.2 kvm instrumentation
240 * Kconfig: describe both module and in-kernel compilation options
241 * Add comments and indentation to Makefile
242 * Add support for built-in kernel build
243 * Rename sub makefiles to Kbuild
244 * Cleanup sub makefiles
245 * Make goals configurable with CONFIG_LTTNG
246 * Fix: Use generic raw_irqs_disabled_flags
247 * Fix: Use MAX_RT_PRIO offset in sched_wakeup_template
248 * Fix: update sched instrumentation for kernel 4.4.0
249 * Bump version number for development branch
250 * Fix: interruptible context: reversed logic
251 * Contexts for RT debugging
252 * Fix: instrumentation: v4lv2 missing include
253 * Fix: header size larger than 256 bytes
254 * Instrument x86 page faults
255 * Fix: irq_vectors TRACE_SYSTEM name
256 * Instrument x86_irq_vectors
257 * Fix: tracepoint listing misses last loaded probe
258 * Fix: lttng trace-clock needs to disable preemption
259 * Tracepoint event: add "TP_code_post()"
260 * Implement array and sequence bitfields
261 * Fix: kmem: add mm.h include
262 * Add page frame number (pfn) to kmem page events
263 * Use pfn rather than struct page in ring buffer array
264 * Implement clock plugin support
265 * Command to regenerate the metadata of a session
266 * Fix: writeback instrumentation update for 4.3 Linux kernel
267 * Fix: update sched wakeup instrumentation for 4.3 kernel
268 * Fix: lttng-test build failure for kernels < 3.0
269 * Use 3.18 syscall instrumentation for MIPS32
270 * Update the MIPS32 syscall instrumentation to 3.18
271 * Fix: Move pipe override to the arch specific pointers_override.h
272 * Implement lttng test module
273 * Cleanup: remove logically dead code
274 * Fix: filter validator use after free
275 * Fix: use after free in channel release
276 * Fix: non-enabler events should be disabled by default
277 * Fix: build failure on 2.6.36
278 * Cleanup: split bdi_dirty_ratelimit with ifdef into separate macros
279 * Fix: writeback instrumentation for 4.2 kernels
280 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.18.10
281 * Add stream instance id to the packet header
282 * Add a packet sequence number
283 * Fix: kmem probe with Ubuntu 3.13 kernels
284 * Fix: disable kvm probe if lapic.h isn't found
285 * Fix: timer instrumentation for 4.2 kernels
286 * Fix: ext4 instrumentation for 4.2 kernels
287 * Fix: kvm instrumentation for 4.2 kernels
288 * Fix: allow LTTng to be built within kernel tree
290 2015-07-15 (Pet Fire Safety Day) LTTng modules 2.7.0-rc1
291 * Fix: Building the event list fails on fragmented memory
292 * Fix: use after free on metadata cache reallocation
293 * Fix: version checks for kernel 4.0
294 * Fix: Incorrect Ubuntu kernel patchlevel
295 * Fix: cpu-id context should use int type
296 * Implement cpu-id context
297 * Implement cpu_id context for filtering
298 * Fix: context printk mismatch on error
299 * Cleanup: misleading comment about deferrable timer
301 * Fix: Update kmem event for Ubuntu's 3.16 kernel
302 * Fix: RHEL 7.1 block instrumentation
303 * Fix: add RHEL version macros
304 * Fix: add missing parenthesis in ubuntu version check
305 * Fix: remove regmap instrumentation for kernels < 4.1
306 * Fix: Update kmem event for recent Ubuntu kernel
307 * Fix: missing statedump end event when block device listing available
308 * Fix: don't generate incorrect macros for debian/ubuntu version check
309 * Revert "Fix: build against Ubuntu kernels"
310 * Fix: build against Ubuntu kernels
311 * Add namespace info in sched_fork and statedump
312 * Fix: ext4 instrumentation: flags parameter did not exist prior to 3.11
313 * Fix: printk instrumentation: remove "condition" tracepoints
314 * Fix: regmap build against kernel 4.0 kernel headers
315 * Add mmu_valid_gen field to mmutrace events
316 * Fix: add missing x86 mmutrace kernel header include
317 * Fix: x86 mmutrace event extra field for kernels >= 3.11
318 * Fix: remove execute flag from kvm.h file
319 * Fix: build x86 kvm probes on kernels >= 4.1-rc1
320 * Fix: compilation on 4.1-rc1 kernel, remove unused WB_WORK_REASON
321 * Fix: 4.1-rc1 Linux build and regmap instrumentation
322 * Fix: don't clash with older Debian kernel versions
323 * Fix: update get_pfnblock_flags_mask wrapper for debian kernels
324 * Fix: discover Debian API
325 * Fix: Update README.md to match reality: kernels >= 2.6.36 are supported
326 * Fix: atomic.h wrapper for kernels < 2.6.37
327 * Fix: disable x86 kvm instrumentation for kernels < 2.6.38
328 * Fix: add missing types.h include for older kernels
329 * Fix: add hlist lttng wrappers
330 * Fix: add struct file_handle forward declaration
331 * Fix: string length calculation reversed user vs kernel args
332 * Fix: use lttng_rcu_dereference within lttng-syscalls.c
333 * Fix: add lttng rcu wrapper to allow tracing RCU
334 * Fix: double-unlock of session mutex
335 * Fix: check that class and instance prototype match
336 * Fix: lttng-events.h check function takes void
337 * Fix: regmap instrumentation for Linux 3.19.4 and 4.0
338 * Fix: kernels >= 2.6.33 put utsrelease.h in generated/
339 * Fix: Include utsrelease.h in lttng-kernel-version.h
340 * Fix: ext4 ext4_da_write_pages instrumentation for kernels < 3.11.0
341 * Fix: old kernels need module.h included before vermagic.h
342 * Fix: net instrumentation for kernels 2.6.39 and below
343 * Fix: version condition in makefile
344 * Implement wrapper around get_pfnblock_flags_mask
345 * Be more restrictive in provider name check
346 * Fix: net instrumentation namespacing
347 * Fix: compaction instrumentation namespacing
348 * Fix: Support 4.x kernel versions in Makefile
349 * Fix: remove stale TP_STRUCT_entry from kvm instrumentation
350 * Fix: add missing module.h include to lttng-probe-user.c
351 * Fix: use lttng hlist wrapper in wildcard and filter
352 * Fix: namespace asoc and kmem instrumentation
353 * Fix: update instrumentation after wildcard rebase
354 * Fix: lttng_abi_syscall_list does not need to be exported
355 * Migrate ARM, powerpc, MIPS syscall instrumentation to TP_FIELDS
356 * Remove now unused syscalls.h from lttng-modules
357 * Filter: start with enabler "disabled"
358 * Fix coverity warning about sizeof(void **) != sizeof(void *)
359 * Fix length type and text sequence base
360 * Fix: TP_FIELDS: add missing headers
361 * Migrate syscall instrumentation to TP_FIELDS
362 * Migrate tracepoint instrumentation to TP_FIELDS
363 * Implement filtering infrastructure
364 * syscall wildcards: apply syscall filtering
365 * Implement syscall wildcard support
366 * Implement tracepoint wildcard support
367 * Namespace all tracepoints
368 * Implement list.h wrapper for hlist in older kernels
369 * Implement listing of pid tracker content
370 * Implement PID tracking
371 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.14.36
372 * Fix: update writeback instrumentation for kernel 4.0+
373 * Fix: compaction mm_compaction_isolate_template update for Linux 4.0+
374 * Fix: kmem instrumentation update for mm_page_alloc_extfrag kernel 3.19.2+
375 * Fix: kmem instrumentation: mm_page_alloc extfrag change_ownership field
376 * Fix: missing parenthesis in offset_align_floor
377 * Fix: implement time.h wrapper for FD_ISSET
378 * Fix: update sched instrumentation for 3.19+ kernels
379 * Fix: update rcu instrumentation for 3.19+ kernels
380 * Fix: update scsi instrumentation for 3.19+ kernels
381 * Fix: update module instrumentation for 3.19+ kernels
382 * Fix: Add f_dentry wrapper for 3.19+ kernels
383 * Fix: introduce lttng_get_unused_fd() wrapper for 3.19 kernels
384 * Fix: lttng_this_cpu_ptr wrapper for kernel 3.19+
385 * Fix: Update btrfs instrumentation for 3.18 Linux kernel
386 * Fix compile error on kernel 3.0.101 with CONFIG_PERF_EVENTS
387 * Conditional compilation introduced by lttng-modules commit
388 * Fix: compaction instrumentation update for 3.14.x stable kernels
389 * Fix: context alignment not properly handled
390 * Fix compilation on Linux kernel >= 3.18.0
391 * Fix: build for architectures without HAVE_SYSCALL_TRACEPOINTS
393 2014-10-20 LTTng modules 2.6.0-rc1
394 * Expose lttng-modules ABI version ioctl
395 * Fix: syscall list ioctl number conflict
396 * lttng-modules: fix build for non-x86
397 * Fix: syscall listing of session
398 * Print build warning when writeback probe is disabled
399 * Add atomic.h wrapper for before/after atomic
400 * Fix compilation on Ubuntu 14.10
401 * Fix: export name as text array in writeback
402 * Cleanup: remove unused trace_clock_read32()
403 * Use 3.17 ktime_get_mono_fast_ns() new API
404 * Check for stale version.h files
405 * Fix: compile lttng_statedump_process_ns on Ubuntu
406 * Reverse version check logic in lttng_statedump_process_ns
407 * Fix block_rq_complete TP on Ubuntu kernel
408 * Introduce macros to check Ubuntu kernel version
409 * Sync writeback tracepoints from mainline
410 * Fix: redefinition of DEFINE_WRITEBACK_EVENT
411 * Fix: hander negative get_syscall_nr return value
412 * Fix: statedump: close_on_exec flag backward compat
413 * Fix instrumentation of vmscan for older kernels
414 * Fix: older kernels (3.2.x) don't undefine TRACE_SYSTEM
415 * Fix: syscall listing: handle "enable all syscall"
416 * Fix: don't allow disabling syscalls when none are enabled
417 * Fix: syscall: fail disable all if all already disabled
418 * Fix: syscall filtering: NULL pointer deref
419 * Cleanup: list syscall without syscall_entry prefix
420 * Fix: syscall_list_show NULL pointer deref
421 * implement syscall mask getter
422 * Cleanup: lttng-abi.h coding style
423 * syscall listing: show syscall ID
424 * Allow events with same name to be enabled for each channel
425 * ABI: use enable a syscall ABI field name
426 * Implement syscall listing
427 * Fix: tracepoint list anonymous file name
428 * Fix: syscall filtering: disable all syscalls
429 * syscall tracing: input/output parameter handling for all arch
430 * lttng-get-syscall-inout.sh depends on bash
431 * Fix generate syscall header script: add missing escape char
432 * syscall instrumentation: handle copy_from_user return value
433 * Rename LTTng syscall instrumentation macros
434 * Rename LTTng instrumentation macros
435 * Extract input/output arguments from accept and connect syscalls
436 * syscall: extract pipe and pipe2 output args
437 * Remove sys_ prefix from syscall names
438 * System call inout/output arg processing
439 * Update syscall inout table
440 * Add syscall inout table
441 * Extract syscall exit ret value on x86 32/64
442 * Extract system call exit return value
443 * Syscall filtering: apply to syscall exit
444 * System call filtering
445 * asoc.h: fix build with v3.17 kernel
446 * Fix: lttng-modules teardown NULL pointer OOPS
447 * Fix: handle concurrent flush vs get_next_subbuf on metadata cache
448 * Modernize README using Markdown
449 * Fix: OOT lttng_logger tracepoint not visible with signed kernels
450 * Add cscope to gitignore
451 * Update kvm instrumentation: compile on 3.17-rc1
452 * Update statedump to 3.17 nsproxy locking
453 * Fix: noargs probes should calculate alignment and event length
454 * Update compaction instrumentation to 3.16 kernel
455 * Update vmscan instrumentation to 3.16 kernel
457 2014-07-16 (Take Your Poet to Work Day) LTTng modules 2.5.0
460 2014-06-27 LTTng modules 2.5.0-rc2
461 * Fix: statedump: check whether "files" is NULL, RCU semantic fix
462 * Fix: statedump handle oom case, handle errors
463 * Fix: correct typo in kernel version number
464 * Fix: blktrace instrumentation for backported branches
465 * Fix: statedump block devices OOPS
467 2014-05-28 (International Hamburger Day) LTTng modules 2.5.0-rc1
468 * Add TID field to some block_* events
469 * Fix: refuse overwrite mode buffers with less than two subbuffers
470 * Fix: lttng modules system call generation script
471 * Dump FD flags and mode on state dump
472 * Fix: incorrect rwbs field type in block_bio_queue
473 * Fix: blktrace instrumentation for v3.2.58+ stable branch
474 * Fix: pass proper args when writing commit counter
475 * Cleanup: lib ringbuffer: pagecpy has unsigned semantic
476 * Fix: allow racy tracepoint string input from kernel and userspace
477 * Statedump event for block devices
478 * Fix: update v4l2 instrumentation to 3.15 kernel
479 * Fix: ext4 update instrumentation to 3.15 kernel
480 * Fix: update block instrumentation to 3.15 kernel
481 * Fix: module instrumentation: update to 3.15 kernel
482 * Adapt to 3.15 tracepoint API
483 * Kernel 3.15 don't define map unmap for pipe
484 * Fix: add missing module version in v4l2 probe
485 * Add V4L2 instrumentation
486 * Fix: rcu instrumentation: add const qualifier to char pointers
487 * Fix: add missing module version information
488 * Use kernel 3.13 syscall tables for MIPS32
489 * Add MIPS32 syscalls extracted from a 3.13 kernel
490 * Fix: block instrumentation: < 3.14 don't have bi_iter
491 * Fix: update btrfs instrumentation to kernel 3.14
492 * Fix: update block layer instrumentation to kernel 3.14
493 * Fix: remove __exit annotation
494 * Fix file permissions for lttng-statedump-impl.c
497 2014-02-28 (Public Sleeping Day) LTTng modules 2.4.0
498 * Fix: load state dump even if work-around lookup fails
499 * Cleanup: fix comment
500 * Fix: correctly version kvm events to build against v3.0 kernel
501 * Add extraversion (e.g. -rc4) to lttng-tracer modinfo
503 2014-02-14 LTTng modules 2.4.0-rc4
504 * Fix: use after free in ring buffer clients
505 * Fix: Add statedump exit so module is not permanent
506 * Cleanup: move callback init to static initialization
507 * Fix: OOT lttng-statedump tracepoints not visible with signed kernels
509 2014-01-29 LTTng modules 2.4.0-rc3
510 * Fix: tracepoint event name mapping at unregister
511 * Fix: tracepoint name remapping
512 * Fix: enable event error path memory corruption
513 * Update kvm instrumentation to Linux 3.13
514 * Update sched instrumentation to Linux 3.13
515 * Fix: provide more precise error report for enable event
516 * Fix: quote event name in metadata
517 * Add version info to lttng-tracer.ko modinfo
519 2013-12-10 LTTng modules 2.4.0-rc2
520 * Fix: client_packet_header() uses wrong packet
521 * Cleanup: fix typo in ring buffer backend comment
522 * Fix: handle unknown event type parameter
523 * Fix: eliminate timestamp overlap between packets
524 * gcc blacklist: only apply when building with gcc
525 * Blacklist ARM gcc 4.8.0, 4.8.1, 4.8.2
527 2013-11-15 LTTng modules 2.4.0-rc1
528 * Update ext4 instrumentation to Linux 3.12
529 * Update RCU instrumentation to Linux 3.12
530 * Update btrfs instrumentation to 3.12 kernel
531 * Update vmscan instrumentation to Linux 3.12
532 * update: kmem instrumentation 3.12 kernel support
533 * lttng-statedump-impl: Use generic hard irqs for Linux >= 3.12
534 * lttng-statedump-impl: Fix lttng_list_interrupts for empty implementation
535 * Import fix from LTSI: 3.4+ RT kernels use CONFIG_PREEMPT_RT_FULL
536 * Add new tracepoint in KVM
537 * Blacklist kernels 3.10.13 and 3.11.2
538 * LTTng trace-clock: shrink kernel blacklist
539 * Metadata flush writes data from the cache
540 * Per-stream ioctl to get the current timestamp
541 * LTTng ringbuffer ABI calls for index generation
542 * Prepare LTTng override of ring buffer fops
543 * Blacklist Linux kernels 3.10+
545 2013-09-03 LTTng modules 2.3.0
546 * Fix: metadata stream should not reference session
547 * Fix: btrfs: support 3.11 Linux kernel
548 * statedump: remove KERN_DEBUG messages
549 * Fix: ext4: add missing tracepoints for 3.11 kernel
550 * Fix: ext4: Linux 3.11 support
551 * Fix: ext3: 3.11 Linux support
552 * Fix: statedump nsproxy 3.11 Linux support
554 2013-08-30 LTTng modules 2.3.0-rc2
555 * Fix: metadata lttng channel refcount
556 * README: lttng-modules incompatible with lttng 0.x patchset
558 2013-07-17 LTTng modules 2.3.0-rc1
559 * Fix: kvm x86 probes side-effect
560 * Fix: allow get/put subbuf in loop for metadata stream
561 * Add support for kvm x86 specific tracepoints
562 * Add mainline headers for kvm x86 tracepoints
563 * Remove old 3.0.4 x86-64 extracted syscall info
564 * Point the x86-64 overrides to newly extracted 3.10-rc7 files
565 * Add syscalls extracted files from a 3.10-rc7 kernel
566 * Improve documentation of the syscall extractor script
567 * Fix: double length of __dynamic_len array
568 * Fix printk instrumentation
569 * Introduce __dynamic_array_enc_ext_2() and tp_memcpy_dyn_2()
570 * Fix: ring buffer: get_subbuf() checks should be performed on "consumed" parameter
571 * Fix: SWITCH_FLUSH new sub-buffer checks
572 * Fix: ring buffer: handle concurrent update in nested buffer wrap around check
573 * Cleanup: lib_ring_buffer_switch_new_end() only calls subbuffer_set_data_size()
574 * Revert "Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()"
575 * Fix: handle writes of length 0
576 * Fix: ring buffer: RING_BUFFER_FLUSH ioctl buffer corruption
577 * Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()
578 * print warning and return -EBUSY on double get_subbuf()
579 * Add header to fix compilation of syscalls-extractor on 3.9 kernel
580 * Fix: don't do 0 byte event reservation
581 * Document that payload size need to be greater than 0
582 * Fix build and load against linux-2.6.33.x
583 * Fix: add missing CONFIG_COMPAT around lib_ring_buffer_compat_ioctl
584 * Metadata cache and multiple metadata channels
585 * fix block instrumentation probe signature mismatch for 3.9.x kernels
586 * fix: block instrumentation: NULL pointer dereference
587 * Update rcu instrumentation to 3.9.[0-4]
588 * Fix CPU hotplug section mismatches
589 * Add system calls definitions for powerpc-32
590 * Remove bashism in lttng-syscalls-generate-headers.sh
591 * Update ARM (32 bit) syscall tracepoints to 3.4
593 2013-05-09 LTTng modules 2.2.0-rc2
594 * Remove useless lttng_metadata probe
595 * Fix: warning kvm_trace_exit_reason redefined for 3.9 kernel
596 * Fix: 3.9.0 block layer instrumentation build
597 * Revert "Stop build if CONFIG_TRACEPOINTS is not set"
598 * Stop build if CONFIG_TRACEPOINTS is not set
599 * Add comments to endifs.
600 * Fix: remove ARM set_tls system call override
601 * Cleanup: arm sys_mmap whitespace
602 * Clean up using global_dirty_limit wrapper for writeback probe
604 2013-03-29 LTTng modules 2.2.0-rc1
606 * Fix: vmscan instrumentation build
607 * writeback instrumentation: remove duplicated structures
608 * block: update instrumentation to 3.9 rc kernel
609 * rcu: update to 3.9 rc kernel instrumentation
610 * workqueue instrumentation: remove duplicated structures
611 * Rename odd event names
612 * Introduce API to remap event names exposed by LTTng
613 * lttng-module: sched.h: Fix compilation on 3.9 kernel
614 * Fix Linux 3.8 btrfs probe warning
615 * Fix Linux 3.8 ext4 probe support
616 * Fix 3.8 kernel support: namespace lttng_is_signed_type()
617 * Fix: don't flush-final for offset 0 if reader is on sub-buffer
618 * instrumentation sched: add missing fork pid info
619 * Fix check in lttng_strlen_user_inatomic
620 * instrumentation: sync with Linux commit a1ce392
621 * Fix: statedump: missing locking, use lttng_iterate_fd
622 * Implement lttng_iterate_fd wrapper
623 * Instrumentation cleanup: kmem events should print hex pointers
624 * Fix compilation of ext4 and btrfs tracepoints on 2.6.40 kernels
625 * Fix: statedump hang/too early completion due to logic error
626 * Fix: statedump hang due to incorrect wait/wakeup use
627 * put_ulong calls in lib_ring_buffer_compat_ioctl() should be compat
628 * wrapper/perf.h: Fix kernel version condition
629 * Add new kernel probes instrumentation
630 * Update kernel probes to more detailed match to kernel versions
631 * Fix possible kernel build errors with linux-patches
632 * Add missing MIT license text to 3 files under this license
633 * Update sites using kernel version checking macro to new range
634 * Make upper bound of kernel version checking macro exclusive
635 * sock instrumentation: fix fields to get referenced values
636 * ext3 instrumentation: fix of assignment code conversion
637 * sched instrumentation: rename "pid" fields in sched_process_exec
638 * Remove remaining semicolons in TP_fast_assign blocks
639 * Fix compilation for 3.0 kernels that are named 2.6.40
640 * Fix compilation for 3.0 branch (>= 3.0.39)
641 * Add kernel version checking macro
642 * Remove semicolons in TP_fast_assign blocks
643 * Add ifdefs to net probe to support Linux 2.6.39
644 * Add kernel probes for supplementary subsystems
645 * Check if interrupt action name is not null in statedump
646 * Fix exec instrumentation: only for kernels 3.4.0 and higher
647 * Add TRACE_EVENT(sched_process_exec) to sched.h
648 * lib/ringbuffer/frontend_api.h: Include linux/prefetch.h.
649 * Fix warning with 3.6.0 kernel
650 * ABI with support for compat 32/64 bits
651 * Perform calculation on bit size in 64-bit
652 * Use uint64_t for packet header content size and packet size
653 * Fix: compat layer only on supported architectures
654 * Fix ring buffer 32/64 bits compat
655 * Fix cleanup: move lttng-tracer-core.h include to lib ringbuffer config.h
656 * Fix ring_buffer_frontend.c: missing include lttng-tracer-core.h
657 * Fix: statedump missing check for NULL namespace
659 2012-09-10 LTTng modules 2.1.0-rc1
660 * fix timestamps on architectures without CONFIG_KTIME_SCALAR
661 * Support for linux kernels 2.6.32 through 2.6.37
662 * Document limitation of vppid and ppid context wrt eventual RCU instrumentation
663 * Cleanup: no need to hold RCU read-side lock when reading current nsproxy
664 * Add env hostname information
665 * Fix: lttng_statedump_process_state for each PID NS has infinite loop
666 * lttng_statedump_process_state for each PID NS
667 * Support the hostname context
668 * Fix: statedump namespaced pid, tid and ppid
669 * Fix: statedump: disable vm maps enumeration
670 * Fix: ensure userspace accesses are done with _inatomic
671 * Fix: vppid context should test for current nsproxy
672 * Add MIPS system call support
673 * Change mode of lttng-syscalls-generate-headers.sh to 755
674 * cleanup: fix typo in syscall instrumentation header
675 * Cleanup: remove trailing whitespace in README
676 * trace event: introduce TP_MODULE_NOAUTOLOAD and TP_MODULE_NOINIT
677 * LTTng: probe-statedump: add #include <linux/sched.h>
678 * fix: signal_generate event should print utf8 for comm field
679 * Makes write operation a parameter for tp_memcpy macro
680 * Add coding style document
681 * Update instrumentation/events README file
682 * Add makefile target for preprocessor
683 * Fix: free_event_id check should compare unsigned int with -1U
684 * Use unsigned long type for events discarded counter
685 * Fix: update signal instrumentation for 3.4 kernel
686 * LTTng Modules ARM syscall instrumentation
687 * Fix: generate header missing echo -e for escape chars
688 * Fix: add missing uaccess.h include (for ARM)
689 * README: Document that CONFIG_MODULES is required
691 * Fix: document required and optional kernel config options in README
693 2012-03-29 LTTng modules 2.0.1
694 * Fix: is_compat_task !CONFIG_COMPAT compile error on kernels >= 3.3
696 2012-03-20 LTTng modules 2.0.0
697 * First STABLE version
700 2012-03-20 LTTng modules 2.0.0-rc4
701 * Update README and add version name place-holder
703 2012-03-16 LTTng modules 2.0.0-rc3
704 * Fix clock offset 32-bit multiplication overflow
705 * Fix : wrong assign of fd in state dump
706 * License cleanup, ifdef namespace cleanup
707 * Fix: ensure power of 2 check handles 64-bit size_t entirely
709 2012-03-02 LTTng modules 2.0.0-rc2
710 * Fix: dmesg printout should not print metadata warnings
711 * Fix: use transport name as channel name
712 * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_subbuf
714 2012-02-20 LTTng modules 2.0.0-rc1
715 * Standardize version across toolchain
716 * statedump: Use old macro name for kernel 2.6.38
718 2012-02-16 LTTng modules 2.0-pre15
719 * Add timer instrumentation
720 * fix: need to undef mainline define
721 * fix: Include signal.h instead of irq.h for prototype match check
722 * Add signal instrumentation
724 2012-02-16 LTTng modules 2.0-pre14
725 * syscall tracing: sys_getcpu
726 * Add sys_clone x86 instrumentation
727 * statedump: fix include circular dep
728 * Implement state dump
730 2012-02-09 LTTng modules 2.0-pre13
732 * environment: write sysname, release, version, domain to metadata
733 * Allow open /proc/lttng for read & write
735 2012-02-02 LTTng modules 2.0-pre12
736 * Add x86 32/64 execve syscall instrumentation override
737 * Remove unused defines
739 * Use LTTNG_KERNEL_SYM_NAME_LEN
740 * Update version to 1.9.9
741 * Add missing double-quotes to clock uuid
742 * clock: read bootid as clock monotonic ID
745 * clock: output clock description in metadata
746 * Properly fix the timekeeping overflow detection
748 * rename lib-ring-buffer to lttng-lib-ring-buffer
750 * Mass rename: ltt_*/ltt-* to LTTNG_*/LTTNG-*
753 * Remove debugfs file (keep only proc file)
754 * Rename lttng-debugfs-abi files to lttng-abi
756 2011-12-13 LTTng modules 2.0-pre11
757 * Fix OOPS caused by reference of config pointer
758 * Gather detailed info from x86 64 32-bit compat syscall instrumentation
759 * lttng lib: ring buffer move null pointer check to open
760 * lttng lib: ring buffer remove duplicate null pointer
761 * lttng lib: ring buffer: remove stale null-pointer
762 * lttng wrapper: add missing include to kallsyms wrapper
763 * lttng: cleanup one-bit signed bitfields
765 * Update symbol name length max size to 256
766 * Fix last modifications to string_from_user operations
767 * Document that depmod needs to be executed by hand
768 * Fix strlen_user fault space reservation
769 * Fix tp_copy_string_from_user handling of faults
770 * Disable block layer tracing support for kernels < 2.6.38
771 * lttng context: perf counter, fix 32-bit vs 64-bit field size bug
772 * Update trace clock warning to match the current development plan
773 * ringbuffer: make ring buffer printk less verbose
774 * Makefile: do not run depmod manually
776 2011-09-30 LTTng modules 2.0-pre10
777 * x86-32: override sys_mmap syscall instrumentation
780 2011-09-29 LTTng modules 2.0-pre9
781 * x86 32 syscalls: fix !CONFIG_UID16
782 * Use __string_from_user
783 * Add __string_from_user
784 * Rename "comm" context to "procname"
785 * Fetch "type" name field for mount syscall
786 * Create common override file for all architectures
787 * Shrink stack size usage
788 * Cleanup: remove unused lttng-compat-syscalls.c file
789 * Support detailed compat syscalls on x86_64
791 * Add disabled compat syscalls detail (work in progress)
792 * Add config compat support for detailed x86_32 syscalls
793 * Handle newer 3.1+ perf API
794 * Add dummy x86-32 override headers
795 * Bind x86-32 syscall headers
796 * Add x86-32 syscall headers
797 * Add check for KALLSYMS_ALL in syscall extraction script
798 * Automate string extraction for syscalls
799 * Automate syscall filename/pathname extraction
800 * Add exit to ring_buffer_frontend so module is unloadable
801 * Add sys_open filename (x86_64)
802 * Add missing memcpy callback
803 * copy_from_user and memset
804 * Add missing alignment after header write
805 * lib ring buffer: add frontend init as module_init
806 * lib ring buffer frontend: add missing lock initialization
807 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address (missing file)
808 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address
809 * Create override for sys_mmap
810 * Rename syscalls -> syscall in LTTng ABI
811 * Use different event name for compat syscalls
812 * Allow trace syscall table override
813 * Add dummy override files
814 * syscall detail: add override capability
815 * Add pointer pretty-print heuristics
817 * Rename sys exit errno into ret
818 * Enable detailed syscalls only for native x86_64
819 * Use "unknown" for compat syscalls
820 * Disable x86-64 specific detailed syscalls for now, until we deal with 32-bit compat
823 * Only enable detailed syscalls for x86_64 for now
824 * Merge unknown syscall method with extended detail method
825 * Add underscore prefix before event names
826 * Add syscalls pointers detailed syscall tracing
827 * Use perl for regexp
828 * Support generation of syscall probes for those with pointers
829 * Support detailed syscalls with 0 arguments
830 * detailed syscall tracing (work in progress)
831 * Expose /proc/lttng file
832 * Implement detailed syscall event probe
833 * Disable perf build for < 2.6.33 kernels
834 * Syscall detail mode: generate syscall table
835 * block instrumentation: write cmd as hex sequence
836 * lttng-events TRACE_EVENT generator cleanup
837 * block layer instrumentation: fix cmd field
838 * Remove 0 args syscalls for now from type-aware syscall cb generator
839 * Generate trace syscall table macros
840 * Put syscall tracing without arg types back in place
841 * Detailed system call tracing (TRACE_EVENT() generation for integer support)
842 * lttng events probes: don't clash with "ctx" variable name
843 * lib ring buffer must take private pointer copy before decrementing refcount
845 2011-08-16 LTTng modules 2.0-pre8
846 * Fix metadata buffer wait/wakeup
848 2011-08-12 LTTng modules 2.0-pre7
849 * Add missing module refcount to lttng_tracepoint_list_fops
850 * Add license info about lib/ringbuffer/ring_buffer_mmap.c being GPLv2
projects / lttng-modules.git / blob