1 2017-10-05 LTTng modules 2.9.5
2 * Fix: update block instrumentation for 4.14 kernel
3 * Revert "Fix: update block instrumentation for kernel 4.14"
5 2017-10-03 (National Techies Day) LTTng modules 2.9.4
6 * Fix: version check error in btrfs instrumentation
7 * Fix: update btrfs instrumentation for kernel 4.14
8 * Fix: update writeback instrumentation for kernel 4.14
9 * Fix: update block instrumentation for kernel 4.14
10 * Fix: vmalloc wrapper on kernel < 2.6.38
11 * Fix: vmalloc wrapper on kernel >= 4.12
12 * Add kmalloc failover to vmalloc
13 * Fix: mmap: caches aliased on virtual addresses
14 * Fix: update ext4 instrumentation for kernel 4.13
15 * Fix: Sleeping function called from invalid context
16 * Fix: sched for v4.11.5-rt1
17 * Fix: handle missing ftrace header on v4.12
19 2017-06-12 (National Peanut Butter Cookie Day) LTTng modules 2.9.3
20 * Fix: pid tracker should track "pgid"
21 * Fix: Build ftrace probe on kernels prior to 4.12
22 * Fix: update ftrace probe for kernel 4.12
23 * Fix: update block instrumentation for kernel 4.12
24 * Fix: Add support for 4.9.27-rt18 kernel
25 * Fix: update btrfs instrumentation for kernel 4.12
26 * Fix: update ringbuffer for kernel 4.12
27 * Fix: update sched instrumentation for kernel 4.12
28 * Fix: ext3 was completely removed from the kernel in v4.3
29 * Fix: NULL pointer dereference of THIS_MODULE with built-in modules
30 * Fix: add "flush empty" ioctl for stream intersection
31 * Revert "Fix: flush empty packets on snapshot channel"
32 * Revert "Fix: don't perform extra flush on metadata channel"
33 * Fix: remove CONFIG_KALLSYMS_ALL warning on clean
35 2017-04-25 (National Zucchini Bread Day) LTTng modules 2.9.2
36 * Fix: Always build vmscan probe
37 * Fix: use of uninitialized ret value in lttng_abi_open_metadata_stream
38 * Fix: kref changes for kernel 4.11
39 * Fix: atomic_add_unless() returns true/false rather than prior value
40 * Fix: timers cputime_t arguments replaced by ull in kernel 4.11
41 * Fix: update scsi instrumentation for kernel 4.11
42 * Fix: changes to the vm_op fault cb prototype in libringbuffer
43 * Fix: update btrfs instrumentation for kernel 4.11
44 * Fix: update mm_vmscan instrumentation for kernel 4.11
45 * Fix: section mismatch warning caused by __exit annotation
47 2017-02-17 (National Cabbage Day) LTTng modules 2.9.1
48 * Fix: nmi-safe clock on 32-bit systems
49 * Fix: only include linux/cpuhotplug.h for kernels >= 4.10
50 * Fix: 4.10 hotplug adaptation backward compat
51 * Adapt lttng-modules to Linux 4.10 cpu hotplug state machine
52 * Fix: 4.10 btrfs instrumentation update backward compat
53 * Update btrfs instrumentation for 4.10 kernel
54 * btrfs instrumentation: update to 4.10 kernel
55 * timer instrumentation: adapt to ktime_t without union
56 * Fix: asoc instrumentation for RHEL 7.3
57 * Fix: SCSI instrumentation for SLES12 SP2
58 * Add SUSE Linux Enterprise kernel version tests
60 2016-11-29 (National Square Dance Day) LTTng modules 2.9.0
61 * Performance: add missing unlikely in reserve
62 * Fix: preemptible and migratable context error handling
64 2016-10-13 (International Day for Failure) LTTng modules 2.9.0-rc2
65 * Fix: bump stable kernel version ranges for clock work-around
67 2016-10-07 (National Frappé Day) LTTng modules 2.9.0-rc1
68 * Fix: i2c: support kernels < 3.15
69 * Fix: show warning for broken clock work-around
70 * Bump minor ABI version
71 * Fix: work-around upstream Linux timekeeping bug
72 * Add support for i2c tracepoints
73 * Cleanup: makefile version checks with single "ge"
74 * Performance: special-case NULL in lttng_strlen_user_inatomic
75 * Fix: lttng_inline_memcpy does not take a __user argument
76 * Performance: implement lttng_inline_memcpy
77 * Performance: cache the backend pages pointer in context
78 * Cleanup: libringbuffer: remove duplicate pointer chasing in slow paths
79 * Performance: Only dereference commit index once
80 * Performance: Mark channel and buffer event disabled check unlikely
81 * Performance: Relax atomicity constraints for crash handling
82 * Performance: mark ring buffer do_copy callers always inline
83 * Performance: mark lib_ring_buffer_write always inline
84 * Kconfig: select TRACEPOINTS when built-in
85 * Performance: disable event counting by default
86 * Fix: handle large number of pages or subbuffers per buffer
87 * Fix: unregister cpu hotplug notifier on buffer alloc error
88 * Fix: sa_family is of type unsigned short
89 * Fix: check for sizeof sa_family to save sa_family in accept and connect
90 * Fix: use printk_once() for wrapper warning messages
91 * Fix: btrfs instrumentation for 4.8 kernel
92 * Fix: update mm_vmscan instrumentation for kernel 4.8
93 * Fix: napi instrumentation for 4.8 kernels
94 * Fix: update block instrumentation to compile on 4.8 kernels
95 * Cleanup: reuse code in accept() and accept4() instrumentation
96 * Add x86-64 override for accept4 syscall
97 * Fix: timer wrapper: support kernels >= 4.8
98 * Performance: split check deliver fast/slow paths
99 * Fix: x86-64 accept instrumentation
100 * Fix: Add support for 4.6.4-rt8 kernel
101 * Fix: update scsi instrumentation for 4.7+ kernels
102 * Fix: Use fs_initcall instead of rootfs_initcall
103 * Fix: Add kernel configuration for lttng clock plugin
104 * Fix: the clock plugin must be initiated before first use of the clock
105 * Fix: tests/Kbuild for older kernels
106 * Cleanup: __dynamic_len_idx set but not used warning
107 * Cleanup: coding style and comments of net.h
108 * net: Add TCP header data to net_* tracepoints
109 * net: Add IPv4/IPv6 header data to net_* tracepoints
110 * Fix: endianness for the container type of enum
111 * enumeration autoincrement: use if/else logic
112 * Cleanup trailing whitespaces
113 * lttng-test probe: test ctf_enum_auto()
114 * Add ctf_enum_auto() for autoincrementing enumeration values
115 * Implement session statedump command
116 * Fix: annotate bytecode interpreter for kernel stack validator
117 * Update version to 2.9.0-pre
118 * Fix: ring buffer: honor switch parameter type in remote switch
119 * Fix: only flush non-metadata channels
120 * Fix: don't perform extra flush on metadata channel
121 * select, poll and epoll_wait overrides on ARM 32-bit
122 * Fix: flush empty packets on snapshot channel
123 * Fix: do not generate packet at destroy after stop
124 * Fix: compat ioctl for flush/get metadata version
125 * Fix: ctf_string() should handle NULL pointers
126 * Fix: portability: no arith on void pointer
127 * Fix: add missing tests/Kbuild
128 * Test clock override plugin
129 * Fix: add modules target to base Makefile
130 * Fix: make clean does not include dot-config
131 * Fix: trigger build error if CONFIG_TRACEPOINTS is not set
132 * Documentation: document that CONFIG_MODULES not required when builtin
133 * Fix: add missing errno include in random wrapper
134 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.16.35
135 * Fix: copy_from_user size when limited allocation
136 * Extract the payload of epoll_wait/epoll_pwait
137 * Extract the payload for epoll_ctl
138 * Extract the FDs and flags from poll and ppoll
139 * Extract the FD sets in select and pselect6
140 * Add ctf_integer_bitfield_type
141 * Implement enumeration type
142 * Implement custom field support
143 * Implement variant type
144 * Implement shadow stack for dynamic len
145 * libringbuffer: implement event too big API
146 * Implement structure, compound array/sequence types
147 * Fix: integer endianness metadata generation
148 * Fix: endianness of integers received by filter
149 * Fix: writeback probe on RHEL >= 3.10.0-327.10.1
150 * Fix: RHEL kernel 3.10.0-327.13.1 compat
151 * Fix: ctf_user_integer should not trigger page fault
152 * Fix: lib_ring_buffer_copy_from_user_inatomic error handling
153 * Add comment describing ioctl number duplication
154 * Fix: remove unused gfpflags.h from btrfs and compaction instrumentation
155 * Fix: Remove dead code from filter interpreter
156 * Fix: x86 kvm mmutrace instrumentation for kernel < 3.6
157 * Fix: mm_vmscan instrumentation: remove unused gfpflags.h include
158 * Fix: use of uninitialized ret value in lttng_abi_create_event
159 * Fix: kmem instrumentation: remove unused gfpflags.h include
160 * Fix: 4.6 kernel: use in_compat_syscall
161 * Fix: use BUG_ON instead of accessing array subscript above array bounds
162 * Fix: Add granularity to RHEL kernel version checks
164 2016-03-18 (Awkward Moments Day) LTTng modules 2.8.0-rc1
165 * Bump minor tracer ABI version
166 * Fix: build against out-of-tree kernel build
167 * probes/Kbuild: remove upper level header path
168 * Move leftover relative include paths to system paths
169 * syscall instrumentation: use system headers
170 * tracepoint event instrumentation: use system headers
171 * Use system include path in wrappers
172 * libs: use system include paths
173 * Use system header paths in core implementation files
174 * Use system include paths in root directory headers
175 * Use system include paths in probes
177 * Use system include paths in lttng-types.h
178 * Use system include paths in lttng-tracepoint-event-impl.h
179 * Use system include path in probes/define_trace.h
180 * Use system include paths in probes/lttng-tracepoint-event-impl.h
181 * Rename probes/lttng-events.h to probes/lttng-tracepoint-event-impl.h
182 * Add makefile directory to include path
183 * Fix: event ctx get size should be after chan ctx
184 * Fix: filter interpreter with userspace strings
185 * Fix: rename kvm x86 TRACE_SYSTEM to avoid name clash
186 * Fix: format address fields as hexadecimal
187 * PowerPC-64 ABIv1: add build error if KALLSYMS_ALL is missing
188 * Fix: system call instrumentation overrides
189 * Fix: page_alloc wrapper incorrect parenthesis
190 * Fix: system call tracing for arm-64 compat !CONFIG_UID16
191 * Fix: add struct user_msghdr forward declaration for older kernels
192 * Cleanup: Remove unused lttng-types module
193 * Fix: add missing versions and init call for page_alloc wrapper
194 * Fix: Define lttng-tracer metadata only once
195 * Fix: Add CONFIG_LTTNG to modules_install target
196 * Fix: Use kbuild env instead of a custom var KERNELDIR
197 * Update clock offset comment
198 * clock offset: print negative value in metadata
199 * Fix: handle negative clock offset
200 * Fix: sched instrumentation for 4.1-rt11
201 * Add RT patch version macros
202 * Expect filter context identifiers starting with $ctx.
203 * ARM64: wire up compat system calls
204 * Add support for arm64 syscalls
205 * Fix: Ubuntu kernel range for block_rq_complete
206 * Fix: Ubuntu kernel range for mm_page_alloc_extfrag
207 * Fix: update vmscan instrumentation for kernel 4.5
208 * Fix: check reference counts for overflow
209 * Fix: RHEL 7.2 scsi instrumentation
210 * Fix: RHEL 7.2 kvm instrumentation
211 * Kconfig: describe both module and in-kernel compilation options
212 * Add comments and indentation to Makefile
213 * Add support for built-in kernel build
214 * Rename sub makefiles to Kbuild
215 * Cleanup sub makefiles
216 * Make goals configurable with CONFIG_LTTNG
217 * Fix: Use generic raw_irqs_disabled_flags
218 * Fix: Use MAX_RT_PRIO offset in sched_wakeup_template
219 * Fix: update sched instrumentation for kernel 4.4.0
220 * Bump version number for development branch
221 * Fix: interruptible context: reversed logic
222 * Contexts for RT debugging
223 * Fix: instrumentation: v4lv2 missing include
224 * Fix: header size larger than 256 bytes
225 * Instrument x86 page faults
226 * Fix: irq_vectors TRACE_SYSTEM name
227 * Instrument x86_irq_vectors
228 * Fix: tracepoint listing misses last loaded probe
229 * Fix: lttng trace-clock needs to disable preemption
230 * Tracepoint event: add "TP_code_post()"
231 * Implement array and sequence bitfields
232 * Fix: kmem: add mm.h include
233 * Add page frame number (pfn) to kmem page events
234 * Use pfn rather than struct page in ring buffer array
235 * Implement clock plugin support
236 * Command to regenerate the metadata of a session
237 * Fix: writeback instrumentation update for 4.3 Linux kernel
238 * Fix: update sched wakeup instrumentation for 4.3 kernel
239 * Fix: lttng-test build failure for kernels < 3.0
240 * Use 3.18 syscall instrumentation for MIPS32
241 * Update the MIPS32 syscall instrumentation to 3.18
242 * Fix: Move pipe override to the arch specific pointers_override.h
243 * Implement lttng test module
244 * Cleanup: remove logically dead code
245 * Fix: filter validator use after free
246 * Fix: use after free in channel release
247 * Fix: non-enabler events should be disabled by default
248 * Fix: build failure on 2.6.36
249 * Cleanup: split bdi_dirty_ratelimit with ifdef into separate macros
250 * Fix: writeback instrumentation for 4.2 kernels
251 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.18.10
252 * Add stream instance id to the packet header
253 * Add a packet sequence number
254 * Fix: kmem probe with Ubuntu 3.13 kernels
255 * Fix: disable kvm probe if lapic.h isn't found
256 * Fix: timer instrumentation for 4.2 kernels
257 * Fix: ext4 instrumentation for 4.2 kernels
258 * Fix: kvm instrumentation for 4.2 kernels
259 * Fix: allow LTTng to be built within kernel tree
261 2015-07-15 (Pet Fire Safety Day) LTTng modules 2.7.0-rc1
262 * Fix: Building the event list fails on fragmented memory
263 * Fix: use after free on metadata cache reallocation
264 * Fix: version checks for kernel 4.0
265 * Fix: Incorrect Ubuntu kernel patchlevel
266 * Fix: cpu-id context should use int type
267 * Implement cpu-id context
268 * Implement cpu_id context for filtering
269 * Fix: context printk mismatch on error
270 * Cleanup: misleading comment about deferrable timer
272 * Fix: Update kmem event for Ubuntu's 3.16 kernel
273 * Fix: RHEL 7.1 block instrumentation
274 * Fix: add RHEL version macros
275 * Fix: add missing parenthesis in ubuntu version check
276 * Fix: remove regmap instrumentation for kernels < 4.1
277 * Fix: Update kmem event for recent Ubuntu kernel
278 * Fix: missing statedump end event when block device listing available
279 * Fix: don't generate incorrect macros for debian/ubuntu version check
280 * Revert "Fix: build against Ubuntu kernels"
281 * Fix: build against Ubuntu kernels
282 * Add namespace info in sched_fork and statedump
283 * Fix: ext4 instrumentation: flags parameter did not exist prior to 3.11
284 * Fix: printk instrumentation: remove "condition" tracepoints
285 * Fix: regmap build against kernel 4.0 kernel headers
286 * Add mmu_valid_gen field to mmutrace events
287 * Fix: add missing x86 mmutrace kernel header include
288 * Fix: x86 mmutrace event extra field for kernels >= 3.11
289 * Fix: remove execute flag from kvm.h file
290 * Fix: build x86 kvm probes on kernels >= 4.1-rc1
291 * Fix: compilation on 4.1-rc1 kernel, remove unused WB_WORK_REASON
292 * Fix: 4.1-rc1 Linux build and regmap instrumentation
293 * Fix: don't clash with older Debian kernel versions
294 * Fix: update get_pfnblock_flags_mask wrapper for debian kernels
295 * Fix: discover Debian API
296 * Fix: Update README.md to match reality: kernels >= 2.6.36 are supported
297 * Fix: atomic.h wrapper for kernels < 2.6.37
298 * Fix: disable x86 kvm instrumentation for kernels < 2.6.38
299 * Fix: add missing types.h include for older kernels
300 * Fix: add hlist lttng wrappers
301 * Fix: add struct file_handle forward declaration
302 * Fix: string length calculation reversed user vs kernel args
303 * Fix: use lttng_rcu_dereference within lttng-syscalls.c
304 * Fix: add lttng rcu wrapper to allow tracing RCU
305 * Fix: double-unlock of session mutex
306 * Fix: check that class and instance prototype match
307 * Fix: lttng-events.h check function takes void
308 * Fix: regmap instrumentation for Linux 3.19.4 and 4.0
309 * Fix: kernels >= 2.6.33 put utsrelease.h in generated/
310 * Fix: Include utsrelease.h in lttng-kernel-version.h
311 * Fix: ext4 ext4_da_write_pages instrumentation for kernels < 3.11.0
312 * Fix: old kernels need module.h included before vermagic.h
313 * Fix: net instrumentation for kernels 2.6.39 and below
314 * Fix: version condition in makefile
315 * Implement wrapper around get_pfnblock_flags_mask
316 * Be more restrictive in provider name check
317 * Fix: net instrumentation namespacing
318 * Fix: compaction instrumentation namespacing
319 * Fix: Support 4.x kernel versions in Makefile
320 * Fix: remove stale TP_STRUCT_entry from kvm instrumentation
321 * Fix: add missing module.h include to lttng-probe-user.c
322 * Fix: use lttng hlist wrapper in wildcard and filter
323 * Fix: namespace asoc and kmem instrumentation
324 * Fix: update instrumentation after wildcard rebase
325 * Fix: lttng_abi_syscall_list does not need to be exported
326 * Migrate ARM, powerpc, MIPS syscall instrumentation to TP_FIELDS
327 * Remove now unused syscalls.h from lttng-modules
328 * Filter: start with enabler "disabled"
329 * Fix coverity warning about sizeof(void **) != sizeof(void *)
330 * Fix length type and text sequence base
331 * Fix: TP_FIELDS: add missing headers
332 * Migrate syscall instrumentation to TP_FIELDS
333 * Migrate tracepoint instrumentation to TP_FIELDS
334 * Implement filtering infrastructure
335 * syscall wildcards: apply syscall filtering
336 * Implement syscall wildcard support
337 * Implement tracepoint wildcard support
338 * Namespace all tracepoints
339 * Implement list.h wrapper for hlist in older kernels
340 * Implement listing of pid tracker content
341 * Implement PID tracking
342 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.14.36
343 * Fix: update writeback instrumentation for kernel 4.0+
344 * Fix: compaction mm_compaction_isolate_template update for Linux 4.0+
345 * Fix: kmem instrumentation update for mm_page_alloc_extfrag kernel 3.19.2+
346 * Fix: kmem instrumentation: mm_page_alloc extfrag change_ownership field
347 * Fix: missing parenthesis in offset_align_floor
348 * Fix: implement time.h wrapper for FD_ISSET
349 * Fix: update sched instrumentation for 3.19+ kernels
350 * Fix: update rcu instrumentation for 3.19+ kernels
351 * Fix: update scsi instrumentation for 3.19+ kernels
352 * Fix: update module instrumentation for 3.19+ kernels
353 * Fix: Add f_dentry wrapper for 3.19+ kernels
354 * Fix: introduce lttng_get_unused_fd() wrapper for 3.19 kernels
355 * Fix: lttng_this_cpu_ptr wrapper for kernel 3.19+
356 * Fix: Update btrfs instrumentation for 3.18 Linux kernel
357 * Fix compile error on kernel 3.0.101 with CONFIG_PERF_EVENTS
358 * Conditional compilation introduced by lttng-modules commit
359 * Fix: compaction instrumentation update for 3.14.x stable kernels
360 * Fix: context alignment not properly handled
361 * Fix compilation on Linux kernel >= 3.18.0
362 * Fix: build for architectures without HAVE_SYSCALL_TRACEPOINTS
364 2014-10-20 LTTng modules 2.6.0-rc1
365 * Expose lttng-modules ABI version ioctl
366 * Fix: syscall list ioctl number conflict
367 * lttng-modules: fix build for non-x86
368 * Fix: syscall listing of session
369 * Print build warning when writeback probe is disabled
370 * Add atomic.h wrapper for before/after atomic
371 * Fix compilation on Ubuntu 14.10
372 * Fix: export name as text array in writeback
373 * Cleanup: remove unused trace_clock_read32()
374 * Use 3.17 ktime_get_mono_fast_ns() new API
375 * Check for stale version.h files
376 * Fix: compile lttng_statedump_process_ns on Ubuntu
377 * Reverse version check logic in lttng_statedump_process_ns
378 * Fix block_rq_complete TP on Ubuntu kernel
379 * Introduce macros to check Ubuntu kernel version
380 * Sync writeback tracepoints from mainline
381 * Fix: redefinition of DEFINE_WRITEBACK_EVENT
382 * Fix: hander negative get_syscall_nr return value
383 * Fix: statedump: close_on_exec flag backward compat
384 * Fix instrumentation of vmscan for older kernels
385 * Fix: older kernels (3.2.x) don't undefine TRACE_SYSTEM
386 * Fix: syscall listing: handle "enable all syscall"
387 * Fix: don't allow disabling syscalls when none are enabled
388 * Fix: syscall: fail disable all if all already disabled
389 * Fix: syscall filtering: NULL pointer deref
390 * Cleanup: list syscall without syscall_entry prefix
391 * Fix: syscall_list_show NULL pointer deref
392 * implement syscall mask getter
393 * Cleanup: lttng-abi.h coding style
394 * syscall listing: show syscall ID
395 * Allow events with same name to be enabled for each channel
396 * ABI: use enable a syscall ABI field name
397 * Implement syscall listing
398 * Fix: tracepoint list anonymous file name
399 * Fix: syscall filtering: disable all syscalls
400 * syscall tracing: input/output parameter handling for all arch
401 * lttng-get-syscall-inout.sh depends on bash
402 * Fix generate syscall header script: add missing escape char
403 * syscall instrumentation: handle copy_from_user return value
404 * Rename LTTng syscall instrumentation macros
405 * Rename LTTng instrumentation macros
406 * Extract input/output arguments from accept and connect syscalls
407 * syscall: extract pipe and pipe2 output args
408 * Remove sys_ prefix from syscall names
409 * System call inout/output arg processing
410 * Update syscall inout table
411 * Add syscall inout table
412 * Extract syscall exit ret value on x86 32/64
413 * Extract system call exit return value
414 * Syscall filtering: apply to syscall exit
415 * System call filtering
416 * asoc.h: fix build with v3.17 kernel
417 * Fix: lttng-modules teardown NULL pointer OOPS
418 * Fix: handle concurrent flush vs get_next_subbuf on metadata cache
419 * Modernize README using Markdown
420 * Fix: OOT lttng_logger tracepoint not visible with signed kernels
421 * Add cscope to gitignore
422 * Update kvm instrumentation: compile on 3.17-rc1
423 * Update statedump to 3.17 nsproxy locking
424 * Fix: noargs probes should calculate alignment and event length
425 * Update compaction instrumentation to 3.16 kernel
426 * Update vmscan instrumentation to 3.16 kernel
428 2014-07-16 (Take Your Poet to Work Day) LTTng modules 2.5.0
431 2014-06-27 LTTng modules 2.5.0-rc2
432 * Fix: statedump: check whether "files" is NULL, RCU semantic fix
433 * Fix: statedump handle oom case, handle errors
434 * Fix: correct typo in kernel version number
435 * Fix: blktrace instrumentation for backported branches
436 * Fix: statedump block devices OOPS
438 2014-05-28 (International Hamburger Day) LTTng modules 2.5.0-rc1
439 * Add TID field to some block_* events
440 * Fix: refuse overwrite mode buffers with less than two subbuffers
441 * Fix: lttng modules system call generation script
442 * Dump FD flags and mode on state dump
443 * Fix: incorrect rwbs field type in block_bio_queue
444 * Fix: blktrace instrumentation for v3.2.58+ stable branch
445 * Fix: pass proper args when writing commit counter
446 * Cleanup: lib ringbuffer: pagecpy has unsigned semantic
447 * Fix: allow racy tracepoint string input from kernel and userspace
448 * Statedump event for block devices
449 * Fix: update v4l2 instrumentation to 3.15 kernel
450 * Fix: ext4 update instrumentation to 3.15 kernel
451 * Fix: update block instrumentation to 3.15 kernel
452 * Fix: module instrumentation: update to 3.15 kernel
453 * Adapt to 3.15 tracepoint API
454 * Kernel 3.15 don't define map unmap for pipe
455 * Fix: add missing module version in v4l2 probe
456 * Add V4L2 instrumentation
457 * Fix: rcu instrumentation: add const qualifier to char pointers
458 * Fix: add missing module version information
459 * Use kernel 3.13 syscall tables for MIPS32
460 * Add MIPS32 syscalls extracted from a 3.13 kernel
461 * Fix: block instrumentation: < 3.14 don't have bi_iter
462 * Fix: update btrfs instrumentation to kernel 3.14
463 * Fix: update block layer instrumentation to kernel 3.14
464 * Fix: remove __exit annotation
465 * Fix file permissions for lttng-statedump-impl.c
468 2014-02-28 (Public Sleeping Day) LTTng modules 2.4.0
469 * Fix: load state dump even if work-around lookup fails
470 * Cleanup: fix comment
471 * Fix: correctly version kvm events to build against v3.0 kernel
472 * Add extraversion (e.g. -rc4) to lttng-tracer modinfo
474 2014-02-14 LTTng modules 2.4.0-rc4
475 * Fix: use after free in ring buffer clients
476 * Fix: Add statedump exit so module is not permanent
477 * Cleanup: move callback init to static initialization
478 * Fix: OOT lttng-statedump tracepoints not visible with signed kernels
480 2014-01-29 LTTng modules 2.4.0-rc3
481 * Fix: tracepoint event name mapping at unregister
482 * Fix: tracepoint name remapping
483 * Fix: enable event error path memory corruption
484 * Update kvm instrumentation to Linux 3.13
485 * Update sched instrumentation to Linux 3.13
486 * Fix: provide more precise error report for enable event
487 * Fix: quote event name in metadata
488 * Add version info to lttng-tracer.ko modinfo
490 2013-12-10 LTTng modules 2.4.0-rc2
491 * Fix: client_packet_header() uses wrong packet
492 * Cleanup: fix typo in ring buffer backend comment
493 * Fix: handle unknown event type parameter
494 * Fix: eliminate timestamp overlap between packets
495 * gcc blacklist: only apply when building with gcc
496 * Blacklist ARM gcc 4.8.0, 4.8.1, 4.8.2
498 2013-11-15 LTTng modules 2.4.0-rc1
499 * Update ext4 instrumentation to Linux 3.12
500 * Update RCU instrumentation to Linux 3.12
501 * Update btrfs instrumentation to 3.12 kernel
502 * Update vmscan instrumentation to Linux 3.12
503 * update: kmem instrumentation 3.12 kernel support
504 * lttng-statedump-impl: Use generic hard irqs for Linux >= 3.12
505 * lttng-statedump-impl: Fix lttng_list_interrupts for empty implementation
506 * Import fix from LTSI: 3.4+ RT kernels use CONFIG_PREEMPT_RT_FULL
507 * Add new tracepoint in KVM
508 * Blacklist kernels 3.10.13 and 3.11.2
509 * LTTng trace-clock: shrink kernel blacklist
510 * Metadata flush writes data from the cache
511 * Per-stream ioctl to get the current timestamp
512 * LTTng ringbuffer ABI calls for index generation
513 * Prepare LTTng override of ring buffer fops
514 * Blacklist Linux kernels 3.10+
516 2013-09-03 LTTng modules 2.3.0
517 * Fix: metadata stream should not reference session
518 * Fix: btrfs: support 3.11 Linux kernel
519 * statedump: remove KERN_DEBUG messages
520 * Fix: ext4: add missing tracepoints for 3.11 kernel
521 * Fix: ext4: Linux 3.11 support
522 * Fix: ext3: 3.11 Linux support
523 * Fix: statedump nsproxy 3.11 Linux support
525 2013-08-30 LTTng modules 2.3.0-rc2
526 * Fix: metadata lttng channel refcount
527 * README: lttng-modules incompatible with lttng 0.x patchset
529 2013-07-17 LTTng modules 2.3.0-rc1
530 * Fix: kvm x86 probes side-effect
531 * Fix: allow get/put subbuf in loop for metadata stream
532 * Add support for kvm x86 specific tracepoints
533 * Add mainline headers for kvm x86 tracepoints
534 * Remove old 3.0.4 x86-64 extracted syscall info
535 * Point the x86-64 overrides to newly extracted 3.10-rc7 files
536 * Add syscalls extracted files from a 3.10-rc7 kernel
537 * Improve documentation of the syscall extractor script
538 * Fix: double length of __dynamic_len array
539 * Fix printk instrumentation
540 * Introduce __dynamic_array_enc_ext_2() and tp_memcpy_dyn_2()
541 * Fix: ring buffer: get_subbuf() checks should be performed on "consumed" parameter
542 * Fix: SWITCH_FLUSH new sub-buffer checks
543 * Fix: ring buffer: handle concurrent update in nested buffer wrap around check
544 * Cleanup: lib_ring_buffer_switch_new_end() only calls subbuffer_set_data_size()
545 * Revert "Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()"
546 * Fix: handle writes of length 0
547 * Fix: ring buffer: RING_BUFFER_FLUSH ioctl buffer corruption
548 * Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()
549 * print warning and return -EBUSY on double get_subbuf()
550 * Add header to fix compilation of syscalls-extractor on 3.9 kernel
551 * Fix: don't do 0 byte event reservation
552 * Document that payload size need to be greater than 0
553 * Fix build and load against linux-2.6.33.x
554 * Fix: add missing CONFIG_COMPAT around lib_ring_buffer_compat_ioctl
555 * Metadata cache and multiple metadata channels
556 * fix block instrumentation probe signature mismatch for 3.9.x kernels
557 * fix: block instrumentation: NULL pointer dereference
558 * Update rcu instrumentation to 3.9.[0-4]
559 * Fix CPU hotplug section mismatches
560 * Add system calls definitions for powerpc-32
561 * Remove bashism in lttng-syscalls-generate-headers.sh
562 * Update ARM (32 bit) syscall tracepoints to 3.4
564 2013-05-09 LTTng modules 2.2.0-rc2
565 * Remove useless lttng_metadata probe
566 * Fix: warning kvm_trace_exit_reason redefined for 3.9 kernel
567 * Fix: 3.9.0 block layer instrumentation build
568 * Revert "Stop build if CONFIG_TRACEPOINTS is not set"
569 * Stop build if CONFIG_TRACEPOINTS is not set
570 * Add comments to endifs.
571 * Fix: remove ARM set_tls system call override
572 * Cleanup: arm sys_mmap whitespace
573 * Clean up using global_dirty_limit wrapper for writeback probe
575 2013-03-29 LTTng modules 2.2.0-rc1
577 * Fix: vmscan instrumentation build
578 * writeback instrumentation: remove duplicated structures
579 * block: update instrumentation to 3.9 rc kernel
580 * rcu: update to 3.9 rc kernel instrumentation
581 * workqueue instrumentation: remove duplicated structures
582 * Rename odd event names
583 * Introduce API to remap event names exposed by LTTng
584 * lttng-module: sched.h: Fix compilation on 3.9 kernel
585 * Fix Linux 3.8 btrfs probe warning
586 * Fix Linux 3.8 ext4 probe support
587 * Fix 3.8 kernel support: namespace lttng_is_signed_type()
588 * Fix: don't flush-final for offset 0 if reader is on sub-buffer
589 * instrumentation sched: add missing fork pid info
590 * Fix check in lttng_strlen_user_inatomic
591 * instrumentation: sync with Linux commit a1ce392
592 * Fix: statedump: missing locking, use lttng_iterate_fd
593 * Implement lttng_iterate_fd wrapper
594 * Instrumentation cleanup: kmem events should print hex pointers
595 * Fix compilation of ext4 and btrfs tracepoints on 2.6.40 kernels
596 * Fix: statedump hang/too early completion due to logic error
597 * Fix: statedump hang due to incorrect wait/wakeup use
598 * put_ulong calls in lib_ring_buffer_compat_ioctl() should be compat
599 * wrapper/perf.h: Fix kernel version condition
600 * Add new kernel probes instrumentation
601 * Update kernel probes to more detailed match to kernel versions
602 * Fix possible kernel build errors with linux-patches
603 * Add missing MIT license text to 3 files under this license
604 * Update sites using kernel version checking macro to new range
605 * Make upper bound of kernel version checking macro exclusive
606 * sock instrumentation: fix fields to get referenced values
607 * ext3 instrumentation: fix of assignment code conversion
608 * sched instrumentation: rename "pid" fields in sched_process_exec
609 * Remove remaining semicolons in TP_fast_assign blocks
610 * Fix compilation for 3.0 kernels that are named 2.6.40
611 * Fix compilation for 3.0 branch (>= 3.0.39)
612 * Add kernel version checking macro
613 * Remove semicolons in TP_fast_assign blocks
614 * Add ifdefs to net probe to support Linux 2.6.39
615 * Add kernel probes for supplementary subsystems
616 * Check if interrupt action name is not null in statedump
617 * Fix exec instrumentation: only for kernels 3.4.0 and higher
618 * Add TRACE_EVENT(sched_process_exec) to sched.h
619 * lib/ringbuffer/frontend_api.h: Include linux/prefetch.h.
620 * Fix warning with 3.6.0 kernel
621 * ABI with support for compat 32/64 bits
622 * Perform calculation on bit size in 64-bit
623 * Use uint64_t for packet header content size and packet size
624 * Fix: compat layer only on supported architectures
625 * Fix ring buffer 32/64 bits compat
626 * Fix cleanup: move lttng-tracer-core.h include to lib ringbuffer config.h
627 * Fix ring_buffer_frontend.c: missing include lttng-tracer-core.h
628 * Fix: statedump missing check for NULL namespace
630 2012-09-10 LTTng modules 2.1.0-rc1
631 * fix timestamps on architectures without CONFIG_KTIME_SCALAR
632 * Support for linux kernels 2.6.32 through 2.6.37
633 * Document limitation of vppid and ppid context wrt eventual RCU instrumentation
634 * Cleanup: no need to hold RCU read-side lock when reading current nsproxy
635 * Add env hostname information
636 * Fix: lttng_statedump_process_state for each PID NS has infinite loop
637 * lttng_statedump_process_state for each PID NS
638 * Support the hostname context
639 * Fix: statedump namespaced pid, tid and ppid
640 * Fix: statedump: disable vm maps enumeration
641 * Fix: ensure userspace accesses are done with _inatomic
642 * Fix: vppid context should test for current nsproxy
643 * Add MIPS system call support
644 * Change mode of lttng-syscalls-generate-headers.sh to 755
645 * cleanup: fix typo in syscall instrumentation header
646 * Cleanup: remove trailing whitespace in README
647 * trace event: introduce TP_MODULE_NOAUTOLOAD and TP_MODULE_NOINIT
648 * LTTng: probe-statedump: add #include <linux/sched.h>
649 * fix: signal_generate event should print utf8 for comm field
650 * Makes write operation a parameter for tp_memcpy macro
651 * Add coding style document
652 * Update instrumentation/events README file
653 * Add makefile target for preprocessor
654 * Fix: free_event_id check should compare unsigned int with -1U
655 * Use unsigned long type for events discarded counter
656 * Fix: update signal instrumentation for 3.4 kernel
657 * LTTng Modules ARM syscall instrumentation
658 * Fix: generate header missing echo -e for escape chars
659 * Fix: add missing uaccess.h include (for ARM)
660 * README: Document that CONFIG_MODULES is required
662 * Fix: document required and optional kernel config options in README
664 2012-03-29 LTTng modules 2.0.1
665 * Fix: is_compat_task !CONFIG_COMPAT compile error on kernels >= 3.3
667 2012-03-20 LTTng modules 2.0.0
668 * First STABLE version
671 2012-03-20 LTTng modules 2.0.0-rc4
672 * Update README and add version name place-holder
674 2012-03-16 LTTng modules 2.0.0-rc3
675 * Fix clock offset 32-bit multiplication overflow
676 * Fix : wrong assign of fd in state dump
677 * License cleanup, ifdef namespace cleanup
678 * Fix: ensure power of 2 check handles 64-bit size_t entirely
680 2012-03-02 LTTng modules 2.0.0-rc2
681 * Fix: dmesg printout should not print metadata warnings
682 * Fix: use transport name as channel name
683 * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_subbuf
685 2012-02-20 LTTng modules 2.0.0-rc1
686 * Standardize version across toolchain
687 * statedump: Use old macro name for kernel 2.6.38
689 2012-02-16 LTTng modules 2.0-pre15
690 * Add timer instrumentation
691 * fix: need to undef mainline define
692 * fix: Include signal.h instead of irq.h for prototype match check
693 * Add signal instrumentation
695 2012-02-16 LTTng modules 2.0-pre14
696 * syscall tracing: sys_getcpu
697 * Add sys_clone x86 instrumentation
698 * statedump: fix include circular dep
699 * Implement state dump
701 2012-02-09 LTTng modules 2.0-pre13
703 * environment: write sysname, release, version, domain to metadata
704 * Allow open /proc/lttng for read & write
706 2012-02-02 LTTng modules 2.0-pre12
707 * Add x86 32/64 execve syscall instrumentation override
708 * Remove unused defines
710 * Use LTTNG_KERNEL_SYM_NAME_LEN
711 * Update version to 1.9.9
712 * Add missing double-quotes to clock uuid
713 * clock: read bootid as clock monotonic ID
716 * clock: output clock description in metadata
717 * Properly fix the timekeeping overflow detection
719 * rename lib-ring-buffer to lttng-lib-ring-buffer
721 * Mass rename: ltt_*/ltt-* to LTTNG_*/LTTNG-*
724 * Remove debugfs file (keep only proc file)
725 * Rename lttng-debugfs-abi files to lttng-abi
727 2011-12-13 LTTng modules 2.0-pre11
728 * Fix OOPS caused by reference of config pointer
729 * Gather detailed info from x86 64 32-bit compat syscall instrumentation
730 * lttng lib: ring buffer move null pointer check to open
731 * lttng lib: ring buffer remove duplicate null pointer
732 * lttng lib: ring buffer: remove stale null-pointer
733 * lttng wrapper: add missing include to kallsyms wrapper
734 * lttng: cleanup one-bit signed bitfields
736 * Update symbol name length max size to 256
737 * Fix last modifications to string_from_user operations
738 * Document that depmod needs to be executed by hand
739 * Fix strlen_user fault space reservation
740 * Fix tp_copy_string_from_user handling of faults
741 * Disable block layer tracing support for kernels < 2.6.38
742 * lttng context: perf counter, fix 32-bit vs 64-bit field size bug
743 * Update trace clock warning to match the current development plan
744 * ringbuffer: make ring buffer printk less verbose
745 * Makefile: do not run depmod manually
747 2011-09-30 LTTng modules 2.0-pre10
748 * x86-32: override sys_mmap syscall instrumentation
751 2011-09-29 LTTng modules 2.0-pre9
752 * x86 32 syscalls: fix !CONFIG_UID16
753 * Use __string_from_user
754 * Add __string_from_user
755 * Rename "comm" context to "procname"
756 * Fetch "type" name field for mount syscall
757 * Create common override file for all architectures
758 * Shrink stack size usage
759 * Cleanup: remove unused lttng-compat-syscalls.c file
760 * Support detailed compat syscalls on x86_64
762 * Add disabled compat syscalls detail (work in progress)
763 * Add config compat support for detailed x86_32 syscalls
764 * Handle newer 3.1+ perf API
765 * Add dummy x86-32 override headers
766 * Bind x86-32 syscall headers
767 * Add x86-32 syscall headers
768 * Add check for KALLSYMS_ALL in syscall extraction script
769 * Automate string extraction for syscalls
770 * Automate syscall filename/pathname extraction
771 * Add exit to ring_buffer_frontend so module is unloadable
772 * Add sys_open filename (x86_64)
773 * Add missing memcpy callback
774 * copy_from_user and memset
775 * Add missing alignment after header write
776 * lib ring buffer: add frontend init as module_init
777 * lib ring buffer frontend: add missing lock initialization
778 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address (missing file)
779 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address
780 * Create override for sys_mmap
781 * Rename syscalls -> syscall in LTTng ABI
782 * Use different event name for compat syscalls
783 * Allow trace syscall table override
784 * Add dummy override files
785 * syscall detail: add override capability
786 * Add pointer pretty-print heuristics
788 * Rename sys exit errno into ret
789 * Enable detailed syscalls only for native x86_64
790 * Use "unknown" for compat syscalls
791 * Disable x86-64 specific detailed syscalls for now, until we deal with 32-bit compat
794 * Only enable detailed syscalls for x86_64 for now
795 * Merge unknown syscall method with extended detail method
796 * Add underscore prefix before event names
797 * Add syscalls pointers detailed syscall tracing
798 * Use perl for regexp
799 * Support generation of syscall probes for those with pointers
800 * Support detailed syscalls with 0 arguments
801 * detailed syscall tracing (work in progress)
802 * Expose /proc/lttng file
803 * Implement detailed syscall event probe
804 * Disable perf build for < 2.6.33 kernels
805 * Syscall detail mode: generate syscall table
806 * block instrumentation: write cmd as hex sequence
807 * lttng-events TRACE_EVENT generator cleanup
808 * block layer instrumentation: fix cmd field
809 * Remove 0 args syscalls for now from type-aware syscall cb generator
810 * Generate trace syscall table macros
811 * Put syscall tracing without arg types back in place
812 * Detailed system call tracing (TRACE_EVENT() generation for integer support)
813 * lttng events probes: don't clash with "ctx" variable name
814 * lib ring buffer must take private pointer copy before decrementing refcount
816 2011-08-16 LTTng modules 2.0-pre8
817 * Fix metadata buffer wait/wakeup
819 2011-08-12 LTTng modules 2.0-pre7
820 * Add missing module refcount to lttng_tracepoint_list_fops
821 * Add license info about lib/ringbuffer/ring_buffer_mmap.c being GPLv2
projects / lttng-modules.git / blob