1 2016-11-29 (National Square Dance Day) LTTng modules 2.9.0
2 * Performance: add missing unlikely in reserve
3 * Fix: preemptible and migratable context error handling
5 2016-10-13 (International Day for Failure) LTTng modules 2.9.0-rc2
6 * Fix: bump stable kernel version ranges for clock work-around
8 2016-10-07 (National Frappé Day) LTTng modules 2.9.0-rc1
9 * Fix: i2c: support kernels < 3.15
10 * Fix: show warning for broken clock work-around
11 * Bump minor ABI version
12 * Fix: work-around upstream Linux timekeeping bug
13 * Add support for i2c tracepoints
14 * Cleanup: makefile version checks with single "ge"
15 * Performance: special-case NULL in lttng_strlen_user_inatomic
16 * Fix: lttng_inline_memcpy does not take a __user argument
17 * Performance: implement lttng_inline_memcpy
18 * Performance: cache the backend pages pointer in context
19 * Cleanup: libringbuffer: remove duplicate pointer chasing in slow paths
20 * Performance: Only dereference commit index once
21 * Performance: Mark channel and buffer event disabled check unlikely
22 * Performance: Relax atomicity constraints for crash handling
23 * Performance: mark ring buffer do_copy callers always inline
24 * Performance: mark lib_ring_buffer_write always inline
25 * Kconfig: select TRACEPOINTS when built-in
26 * Performance: disable event counting by default
27 * Fix: handle large number of pages or subbuffers per buffer
28 * Fix: unregister cpu hotplug notifier on buffer alloc error
29 * Fix: sa_family is of type unsigned short
30 * Fix: check for sizeof sa_family to save sa_family in accept and connect
31 * Fix: use printk_once() for wrapper warning messages
32 * Fix: btrfs instrumentation for 4.8 kernel
33 * Fix: update mm_vmscan instrumentation for kernel 4.8
34 * Fix: napi instrumentation for 4.8 kernels
35 * Fix: update block instrumentation to compile on 4.8 kernels
36 * Cleanup: reuse code in accept() and accept4() instrumentation
37 * Add x86-64 override for accept4 syscall
38 * Fix: timer wrapper: support kernels >= 4.8
39 * Performance: split check deliver fast/slow paths
40 * Fix: x86-64 accept instrumentation
41 * Fix: Add support for 4.6.4-rt8 kernel
42 * Fix: update scsi instrumentation for 4.7+ kernels
43 * Fix: Use fs_initcall instead of rootfs_initcall
44 * Fix: Add kernel configuration for lttng clock plugin
45 * Fix: the clock plugin must be initiated before first use of the clock
46 * Fix: tests/Kbuild for older kernels
47 * Cleanup: __dynamic_len_idx set but not used warning
48 * Cleanup: coding style and comments of net.h
49 * net: Add TCP header data to net_* tracepoints
50 * net: Add IPv4/IPv6 header data to net_* tracepoints
51 * Fix: endianness for the container type of enum
52 * enumeration autoincrement: use if/else logic
53 * Cleanup trailing whitespaces
54 * lttng-test probe: test ctf_enum_auto()
55 * Add ctf_enum_auto() for autoincrementing enumeration values
56 * Implement session statedump command
57 * Fix: annotate bytecode interpreter for kernel stack validator
58 * Update version to 2.9.0-pre
59 * Fix: ring buffer: honor switch parameter type in remote switch
60 * Fix: only flush non-metadata channels
61 * Fix: don't perform extra flush on metadata channel
62 * select, poll and epoll_wait overrides on ARM 32-bit
63 * Fix: flush empty packets on snapshot channel
64 * Fix: do not generate packet at destroy after stop
65 * Fix: compat ioctl for flush/get metadata version
66 * Fix: ctf_string() should handle NULL pointers
67 * Fix: portability: no arith on void pointer
68 * Fix: add missing tests/Kbuild
69 * Test clock override plugin
70 * Fix: add modules target to base Makefile
71 * Fix: make clean does not include dot-config
72 * Fix: trigger build error if CONFIG_TRACEPOINTS is not set
73 * Documentation: document that CONFIG_MODULES not required when builtin
74 * Fix: add missing errno include in random wrapper
75 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.16.35
76 * Fix: copy_from_user size when limited allocation
77 * Extract the payload of epoll_wait/epoll_pwait
78 * Extract the payload for epoll_ctl
79 * Extract the FDs and flags from poll and ppoll
80 * Extract the FD sets in select and pselect6
81 * Add ctf_integer_bitfield_type
82 * Implement enumeration type
83 * Implement custom field support
84 * Implement variant type
85 * Implement shadow stack for dynamic len
86 * libringbuffer: implement event too big API
87 * Implement structure, compound array/sequence types
88 * Fix: integer endianness metadata generation
89 * Fix: endianness of integers received by filter
90 * Fix: writeback probe on RHEL >= 3.10.0-327.10.1
91 * Fix: RHEL kernel 3.10.0-327.13.1 compat
92 * Fix: ctf_user_integer should not trigger page fault
93 * Fix: lib_ring_buffer_copy_from_user_inatomic error handling
94 * Add comment describing ioctl number duplication
95 * Fix: remove unused gfpflags.h from btrfs and compaction instrumentation
96 * Fix: Remove dead code from filter interpreter
97 * Fix: x86 kvm mmutrace instrumentation for kernel < 3.6
98 * Fix: mm_vmscan instrumentation: remove unused gfpflags.h include
99 * Fix: use of uninitialized ret value in lttng_abi_create_event
100 * Fix: kmem instrumentation: remove unused gfpflags.h include
101 * Fix: 4.6 kernel: use in_compat_syscall
102 * Fix: use BUG_ON instead of accessing array subscript above array bounds
103 * Fix: Add granularity to RHEL kernel version checks
105 2016-03-18 (Awkward Moments Day) LTTng modules 2.8.0-rc1
106 * Bump minor tracer ABI version
107 * Fix: build against out-of-tree kernel build
108 * probes/Kbuild: remove upper level header path
109 * Move leftover relative include paths to system paths
110 * syscall instrumentation: use system headers
111 * tracepoint event instrumentation: use system headers
112 * Use system include path in wrappers
113 * libs: use system include paths
114 * Use system header paths in core implementation files
115 * Use system include paths in root directory headers
116 * Use system include paths in probes
118 * Use system include paths in lttng-types.h
119 * Use system include paths in lttng-tracepoint-event-impl.h
120 * Use system include path in probes/define_trace.h
121 * Use system include paths in probes/lttng-tracepoint-event-impl.h
122 * Rename probes/lttng-events.h to probes/lttng-tracepoint-event-impl.h
123 * Add makefile directory to include path
124 * Fix: event ctx get size should be after chan ctx
125 * Fix: filter interpreter with userspace strings
126 * Fix: rename kvm x86 TRACE_SYSTEM to avoid name clash
127 * Fix: format address fields as hexadecimal
128 * PowerPC-64 ABIv1: add build error if KALLSYMS_ALL is missing
129 * Fix: system call instrumentation overrides
130 * Fix: page_alloc wrapper incorrect parenthesis
131 * Fix: system call tracing for arm-64 compat !CONFIG_UID16
132 * Fix: add struct user_msghdr forward declaration for older kernels
133 * Cleanup: Remove unused lttng-types module
134 * Fix: add missing versions and init call for page_alloc wrapper
135 * Fix: Define lttng-tracer metadata only once
136 * Fix: Add CONFIG_LTTNG to modules_install target
137 * Fix: Use kbuild env instead of a custom var KERNELDIR
138 * Update clock offset comment
139 * clock offset: print negative value in metadata
140 * Fix: handle negative clock offset
141 * Fix: sched instrumentation for 4.1-rt11
142 * Add RT patch version macros
143 * Expect filter context identifiers starting with $ctx.
144 * ARM64: wire up compat system calls
145 * Add support for arm64 syscalls
146 * Fix: Ubuntu kernel range for block_rq_complete
147 * Fix: Ubuntu kernel range for mm_page_alloc_extfrag
148 * Fix: update vmscan instrumentation for kernel 4.5
149 * Fix: check reference counts for overflow
150 * Fix: RHEL 7.2 scsi instrumentation
151 * Fix: RHEL 7.2 kvm instrumentation
152 * Kconfig: describe both module and in-kernel compilation options
153 * Add comments and indentation to Makefile
154 * Add support for built-in kernel build
155 * Rename sub makefiles to Kbuild
156 * Cleanup sub makefiles
157 * Make goals configurable with CONFIG_LTTNG
158 * Fix: Use generic raw_irqs_disabled_flags
159 * Fix: Use MAX_RT_PRIO offset in sched_wakeup_template
160 * Fix: update sched instrumentation for kernel 4.4.0
161 * Bump version number for development branch
162 * Fix: interruptible context: reversed logic
163 * Contexts for RT debugging
164 * Fix: instrumentation: v4lv2 missing include
165 * Fix: header size larger than 256 bytes
166 * Instrument x86 page faults
167 * Fix: irq_vectors TRACE_SYSTEM name
168 * Instrument x86_irq_vectors
169 * Fix: tracepoint listing misses last loaded probe
170 * Fix: lttng trace-clock needs to disable preemption
171 * Tracepoint event: add "TP_code_post()"
172 * Implement array and sequence bitfields
173 * Fix: kmem: add mm.h include
174 * Add page frame number (pfn) to kmem page events
175 * Use pfn rather than struct page in ring buffer array
176 * Implement clock plugin support
177 * Command to regenerate the metadata of a session
178 * Fix: writeback instrumentation update for 4.3 Linux kernel
179 * Fix: update sched wakeup instrumentation for 4.3 kernel
180 * Fix: lttng-test build failure for kernels < 3.0
181 * Use 3.18 syscall instrumentation for MIPS32
182 * Update the MIPS32 syscall instrumentation to 3.18
183 * Fix: Move pipe override to the arch specific pointers_override.h
184 * Implement lttng test module
185 * Cleanup: remove logically dead code
186 * Fix: filter validator use after free
187 * Fix: use after free in channel release
188 * Fix: non-enabler events should be disabled by default
189 * Fix: build failure on 2.6.36
190 * Cleanup: split bdi_dirty_ratelimit with ifdef into separate macros
191 * Fix: writeback instrumentation for 4.2 kernels
192 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.18.10
193 * Add stream instance id to the packet header
194 * Add a packet sequence number
195 * Fix: kmem probe with Ubuntu 3.13 kernels
196 * Fix: disable kvm probe if lapic.h isn't found
197 * Fix: timer instrumentation for 4.2 kernels
198 * Fix: ext4 instrumentation for 4.2 kernels
199 * Fix: kvm instrumentation for 4.2 kernels
200 * Fix: allow LTTng to be built within kernel tree
202 2015-07-15 (Pet Fire Safety Day) LTTng modules 2.7.0-rc1
203 * Fix: Building the event list fails on fragmented memory
204 * Fix: use after free on metadata cache reallocation
205 * Fix: version checks for kernel 4.0
206 * Fix: Incorrect Ubuntu kernel patchlevel
207 * Fix: cpu-id context should use int type
208 * Implement cpu-id context
209 * Implement cpu_id context for filtering
210 * Fix: context printk mismatch on error
211 * Cleanup: misleading comment about deferrable timer
213 * Fix: Update kmem event for Ubuntu's 3.16 kernel
214 * Fix: RHEL 7.1 block instrumentation
215 * Fix: add RHEL version macros
216 * Fix: add missing parenthesis in ubuntu version check
217 * Fix: remove regmap instrumentation for kernels < 4.1
218 * Fix: Update kmem event for recent Ubuntu kernel
219 * Fix: missing statedump end event when block device listing available
220 * Fix: don't generate incorrect macros for debian/ubuntu version check
221 * Revert "Fix: build against Ubuntu kernels"
222 * Fix: build against Ubuntu kernels
223 * Add namespace info in sched_fork and statedump
224 * Fix: ext4 instrumentation: flags parameter did not exist prior to 3.11
225 * Fix: printk instrumentation: remove "condition" tracepoints
226 * Fix: regmap build against kernel 4.0 kernel headers
227 * Add mmu_valid_gen field to mmutrace events
228 * Fix: add missing x86 mmutrace kernel header include
229 * Fix: x86 mmutrace event extra field for kernels >= 3.11
230 * Fix: remove execute flag from kvm.h file
231 * Fix: build x86 kvm probes on kernels >= 4.1-rc1
232 * Fix: compilation on 4.1-rc1 kernel, remove unused WB_WORK_REASON
233 * Fix: 4.1-rc1 Linux build and regmap instrumentation
234 * Fix: don't clash with older Debian kernel versions
235 * Fix: update get_pfnblock_flags_mask wrapper for debian kernels
236 * Fix: discover Debian API
237 * Fix: Update README.md to match reality: kernels >= 2.6.36 are supported
238 * Fix: atomic.h wrapper for kernels < 2.6.37
239 * Fix: disable x86 kvm instrumentation for kernels < 2.6.38
240 * Fix: add missing types.h include for older kernels
241 * Fix: add hlist lttng wrappers
242 * Fix: add struct file_handle forward declaration
243 * Fix: string length calculation reversed user vs kernel args
244 * Fix: use lttng_rcu_dereference within lttng-syscalls.c
245 * Fix: add lttng rcu wrapper to allow tracing RCU
246 * Fix: double-unlock of session mutex
247 * Fix: check that class and instance prototype match
248 * Fix: lttng-events.h check function takes void
249 * Fix: regmap instrumentation for Linux 3.19.4 and 4.0
250 * Fix: kernels >= 2.6.33 put utsrelease.h in generated/
251 * Fix: Include utsrelease.h in lttng-kernel-version.h
252 * Fix: ext4 ext4_da_write_pages instrumentation for kernels < 3.11.0
253 * Fix: old kernels need module.h included before vermagic.h
254 * Fix: net instrumentation for kernels 2.6.39 and below
255 * Fix: version condition in makefile
256 * Implement wrapper around get_pfnblock_flags_mask
257 * Be more restrictive in provider name check
258 * Fix: net instrumentation namespacing
259 * Fix: compaction instrumentation namespacing
260 * Fix: Support 4.x kernel versions in Makefile
261 * Fix: remove stale TP_STRUCT_entry from kvm instrumentation
262 * Fix: add missing module.h include to lttng-probe-user.c
263 * Fix: use lttng hlist wrapper in wildcard and filter
264 * Fix: namespace asoc and kmem instrumentation
265 * Fix: update instrumentation after wildcard rebase
266 * Fix: lttng_abi_syscall_list does not need to be exported
267 * Migrate ARM, powerpc, MIPS syscall instrumentation to TP_FIELDS
268 * Remove now unused syscalls.h from lttng-modules
269 * Filter: start with enabler "disabled"
270 * Fix coverity warning about sizeof(void **) != sizeof(void *)
271 * Fix length type and text sequence base
272 * Fix: TP_FIELDS: add missing headers
273 * Migrate syscall instrumentation to TP_FIELDS
274 * Migrate tracepoint instrumentation to TP_FIELDS
275 * Implement filtering infrastructure
276 * syscall wildcards: apply syscall filtering
277 * Implement syscall wildcard support
278 * Implement tracepoint wildcard support
279 * Namespace all tracepoints
280 * Implement list.h wrapper for hlist in older kernels
281 * Implement listing of pid tracker content
282 * Implement PID tracking
283 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.14.36
284 * Fix: update writeback instrumentation for kernel 4.0+
285 * Fix: compaction mm_compaction_isolate_template update for Linux 4.0+
286 * Fix: kmem instrumentation update for mm_page_alloc_extfrag kernel 3.19.2+
287 * Fix: kmem instrumentation: mm_page_alloc extfrag change_ownership field
288 * Fix: missing parenthesis in offset_align_floor
289 * Fix: implement time.h wrapper for FD_ISSET
290 * Fix: update sched instrumentation for 3.19+ kernels
291 * Fix: update rcu instrumentation for 3.19+ kernels
292 * Fix: update scsi instrumentation for 3.19+ kernels
293 * Fix: update module instrumentation for 3.19+ kernels
294 * Fix: Add f_dentry wrapper for 3.19+ kernels
295 * Fix: introduce lttng_get_unused_fd() wrapper for 3.19 kernels
296 * Fix: lttng_this_cpu_ptr wrapper for kernel 3.19+
297 * Fix: Update btrfs instrumentation for 3.18 Linux kernel
298 * Fix compile error on kernel 3.0.101 with CONFIG_PERF_EVENTS
299 * Conditional compilation introduced by lttng-modules commit
300 * Fix: compaction instrumentation update for 3.14.x stable kernels
301 * Fix: context alignment not properly handled
302 * Fix compilation on Linux kernel >= 3.18.0
303 * Fix: build for architectures without HAVE_SYSCALL_TRACEPOINTS
305 2014-10-20 LTTng modules 2.6.0-rc1
306 * Expose lttng-modules ABI version ioctl
307 * Fix: syscall list ioctl number conflict
308 * lttng-modules: fix build for non-x86
309 * Fix: syscall listing of session
310 * Print build warning when writeback probe is disabled
311 * Add atomic.h wrapper for before/after atomic
312 * Fix compilation on Ubuntu 14.10
313 * Fix: export name as text array in writeback
314 * Cleanup: remove unused trace_clock_read32()
315 * Use 3.17 ktime_get_mono_fast_ns() new API
316 * Check for stale version.h files
317 * Fix: compile lttng_statedump_process_ns on Ubuntu
318 * Reverse version check logic in lttng_statedump_process_ns
319 * Fix block_rq_complete TP on Ubuntu kernel
320 * Introduce macros to check Ubuntu kernel version
321 * Sync writeback tracepoints from mainline
322 * Fix: redefinition of DEFINE_WRITEBACK_EVENT
323 * Fix: hander negative get_syscall_nr return value
324 * Fix: statedump: close_on_exec flag backward compat
325 * Fix instrumentation of vmscan for older kernels
326 * Fix: older kernels (3.2.x) don't undefine TRACE_SYSTEM
327 * Fix: syscall listing: handle "enable all syscall"
328 * Fix: don't allow disabling syscalls when none are enabled
329 * Fix: syscall: fail disable all if all already disabled
330 * Fix: syscall filtering: NULL pointer deref
331 * Cleanup: list syscall without syscall_entry prefix
332 * Fix: syscall_list_show NULL pointer deref
333 * implement syscall mask getter
334 * Cleanup: lttng-abi.h coding style
335 * syscall listing: show syscall ID
336 * Allow events with same name to be enabled for each channel
337 * ABI: use enable a syscall ABI field name
338 * Implement syscall listing
339 * Fix: tracepoint list anonymous file name
340 * Fix: syscall filtering: disable all syscalls
341 * syscall tracing: input/output parameter handling for all arch
342 * lttng-get-syscall-inout.sh depends on bash
343 * Fix generate syscall header script: add missing escape char
344 * syscall instrumentation: handle copy_from_user return value
345 * Rename LTTng syscall instrumentation macros
346 * Rename LTTng instrumentation macros
347 * Extract input/output arguments from accept and connect syscalls
348 * syscall: extract pipe and pipe2 output args
349 * Remove sys_ prefix from syscall names
350 * System call inout/output arg processing
351 * Update syscall inout table
352 * Add syscall inout table
353 * Extract syscall exit ret value on x86 32/64
354 * Extract system call exit return value
355 * Syscall filtering: apply to syscall exit
356 * System call filtering
357 * asoc.h: fix build with v3.17 kernel
358 * Fix: lttng-modules teardown NULL pointer OOPS
359 * Fix: handle concurrent flush vs get_next_subbuf on metadata cache
360 * Modernize README using Markdown
361 * Fix: OOT lttng_logger tracepoint not visible with signed kernels
362 * Add cscope to gitignore
363 * Update kvm instrumentation: compile on 3.17-rc1
364 * Update statedump to 3.17 nsproxy locking
365 * Fix: noargs probes should calculate alignment and event length
366 * Update compaction instrumentation to 3.16 kernel
367 * Update vmscan instrumentation to 3.16 kernel
369 2014-07-16 (Take Your Poet to Work Day) LTTng modules 2.5.0
372 2014-06-27 LTTng modules 2.5.0-rc2
373 * Fix: statedump: check whether "files" is NULL, RCU semantic fix
374 * Fix: statedump handle oom case, handle errors
375 * Fix: correct typo in kernel version number
376 * Fix: blktrace instrumentation for backported branches
377 * Fix: statedump block devices OOPS
379 2014-05-28 (International Hamburger Day) LTTng modules 2.5.0-rc1
380 * Add TID field to some block_* events
381 * Fix: refuse overwrite mode buffers with less than two subbuffers
382 * Fix: lttng modules system call generation script
383 * Dump FD flags and mode on state dump
384 * Fix: incorrect rwbs field type in block_bio_queue
385 * Fix: blktrace instrumentation for v3.2.58+ stable branch
386 * Fix: pass proper args when writing commit counter
387 * Cleanup: lib ringbuffer: pagecpy has unsigned semantic
388 * Fix: allow racy tracepoint string input from kernel and userspace
389 * Statedump event for block devices
390 * Fix: update v4l2 instrumentation to 3.15 kernel
391 * Fix: ext4 update instrumentation to 3.15 kernel
392 * Fix: update block instrumentation to 3.15 kernel
393 * Fix: module instrumentation: update to 3.15 kernel
394 * Adapt to 3.15 tracepoint API
395 * Kernel 3.15 don't define map unmap for pipe
396 * Fix: add missing module version in v4l2 probe
397 * Add V4L2 instrumentation
398 * Fix: rcu instrumentation: add const qualifier to char pointers
399 * Fix: add missing module version information
400 * Use kernel 3.13 syscall tables for MIPS32
401 * Add MIPS32 syscalls extracted from a 3.13 kernel
402 * Fix: block instrumentation: < 3.14 don't have bi_iter
403 * Fix: update btrfs instrumentation to kernel 3.14
404 * Fix: update block layer instrumentation to kernel 3.14
405 * Fix: remove __exit annotation
406 * Fix file permissions for lttng-statedump-impl.c
409 2014-02-28 (Public Sleeping Day) LTTng modules 2.4.0
410 * Fix: load state dump even if work-around lookup fails
411 * Cleanup: fix comment
412 * Fix: correctly version kvm events to build against v3.0 kernel
413 * Add extraversion (e.g. -rc4) to lttng-tracer modinfo
415 2014-02-14 LTTng modules 2.4.0-rc4
416 * Fix: use after free in ring buffer clients
417 * Fix: Add statedump exit so module is not permanent
418 * Cleanup: move callback init to static initialization
419 * Fix: OOT lttng-statedump tracepoints not visible with signed kernels
421 2014-01-29 LTTng modules 2.4.0-rc3
422 * Fix: tracepoint event name mapping at unregister
423 * Fix: tracepoint name remapping
424 * Fix: enable event error path memory corruption
425 * Update kvm instrumentation to Linux 3.13
426 * Update sched instrumentation to Linux 3.13
427 * Fix: provide more precise error report for enable event
428 * Fix: quote event name in metadata
429 * Add version info to lttng-tracer.ko modinfo
431 2013-12-10 LTTng modules 2.4.0-rc2
432 * Fix: client_packet_header() uses wrong packet
433 * Cleanup: fix typo in ring buffer backend comment
434 * Fix: handle unknown event type parameter
435 * Fix: eliminate timestamp overlap between packets
436 * gcc blacklist: only apply when building with gcc
437 * Blacklist ARM gcc 4.8.0, 4.8.1, 4.8.2
439 2013-11-15 LTTng modules 2.4.0-rc1
440 * Update ext4 instrumentation to Linux 3.12
441 * Update RCU instrumentation to Linux 3.12
442 * Update btrfs instrumentation to 3.12 kernel
443 * Update vmscan instrumentation to Linux 3.12
444 * update: kmem instrumentation 3.12 kernel support
445 * lttng-statedump-impl: Use generic hard irqs for Linux >= 3.12
446 * lttng-statedump-impl: Fix lttng_list_interrupts for empty implementation
447 * Import fix from LTSI: 3.4+ RT kernels use CONFIG_PREEMPT_RT_FULL
448 * Add new tracepoint in KVM
449 * Blacklist kernels 3.10.13 and 3.11.2
450 * LTTng trace-clock: shrink kernel blacklist
451 * Metadata flush writes data from the cache
452 * Per-stream ioctl to get the current timestamp
453 * LTTng ringbuffer ABI calls for index generation
454 * Prepare LTTng override of ring buffer fops
455 * Blacklist Linux kernels 3.10+
457 2013-09-03 LTTng modules 2.3.0
458 * Fix: metadata stream should not reference session
459 * Fix: btrfs: support 3.11 Linux kernel
460 * statedump: remove KERN_DEBUG messages
461 * Fix: ext4: add missing tracepoints for 3.11 kernel
462 * Fix: ext4: Linux 3.11 support
463 * Fix: ext3: 3.11 Linux support
464 * Fix: statedump nsproxy 3.11 Linux support
466 2013-08-30 LTTng modules 2.3.0-rc2
467 * Fix: metadata lttng channel refcount
468 * README: lttng-modules incompatible with lttng 0.x patchset
470 2013-07-17 LTTng modules 2.3.0-rc1
471 * Fix: kvm x86 probes side-effect
472 * Fix: allow get/put subbuf in loop for metadata stream
473 * Add support for kvm x86 specific tracepoints
474 * Add mainline headers for kvm x86 tracepoints
475 * Remove old 3.0.4 x86-64 extracted syscall info
476 * Point the x86-64 overrides to newly extracted 3.10-rc7 files
477 * Add syscalls extracted files from a 3.10-rc7 kernel
478 * Improve documentation of the syscall extractor script
479 * Fix: double length of __dynamic_len array
480 * Fix printk instrumentation
481 * Introduce __dynamic_array_enc_ext_2() and tp_memcpy_dyn_2()
482 * Fix: ring buffer: get_subbuf() checks should be performed on "consumed" parameter
483 * Fix: SWITCH_FLUSH new sub-buffer checks
484 * Fix: ring buffer: handle concurrent update in nested buffer wrap around check
485 * Cleanup: lib_ring_buffer_switch_new_end() only calls subbuffer_set_data_size()
486 * Revert "Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()"
487 * Fix: handle writes of length 0
488 * Fix: ring buffer: RING_BUFFER_FLUSH ioctl buffer corruption
489 * Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()
490 * print warning and return -EBUSY on double get_subbuf()
491 * Add header to fix compilation of syscalls-extractor on 3.9 kernel
492 * Fix: don't do 0 byte event reservation
493 * Document that payload size need to be greater than 0
494 * Fix build and load against linux-2.6.33.x
495 * Fix: add missing CONFIG_COMPAT around lib_ring_buffer_compat_ioctl
496 * Metadata cache and multiple metadata channels
497 * fix block instrumentation probe signature mismatch for 3.9.x kernels
498 * fix: block instrumentation: NULL pointer dereference
499 * Update rcu instrumentation to 3.9.[0-4]
500 * Fix CPU hotplug section mismatches
501 * Add system calls definitions for powerpc-32
502 * Remove bashism in lttng-syscalls-generate-headers.sh
503 * Update ARM (32 bit) syscall tracepoints to 3.4
505 2013-05-09 LTTng modules 2.2.0-rc2
506 * Remove useless lttng_metadata probe
507 * Fix: warning kvm_trace_exit_reason redefined for 3.9 kernel
508 * Fix: 3.9.0 block layer instrumentation build
509 * Revert "Stop build if CONFIG_TRACEPOINTS is not set"
510 * Stop build if CONFIG_TRACEPOINTS is not set
511 * Add comments to endifs.
512 * Fix: remove ARM set_tls system call override
513 * Cleanup: arm sys_mmap whitespace
514 * Clean up using global_dirty_limit wrapper for writeback probe
516 2013-03-29 LTTng modules 2.2.0-rc1
518 * Fix: vmscan instrumentation build
519 * writeback instrumentation: remove duplicated structures
520 * block: update instrumentation to 3.9 rc kernel
521 * rcu: update to 3.9 rc kernel instrumentation
522 * workqueue instrumentation: remove duplicated structures
523 * Rename odd event names
524 * Introduce API to remap event names exposed by LTTng
525 * lttng-module: sched.h: Fix compilation on 3.9 kernel
526 * Fix Linux 3.8 btrfs probe warning
527 * Fix Linux 3.8 ext4 probe support
528 * Fix 3.8 kernel support: namespace lttng_is_signed_type()
529 * Fix: don't flush-final for offset 0 if reader is on sub-buffer
530 * instrumentation sched: add missing fork pid info
531 * Fix check in lttng_strlen_user_inatomic
532 * instrumentation: sync with Linux commit a1ce392
533 * Fix: statedump: missing locking, use lttng_iterate_fd
534 * Implement lttng_iterate_fd wrapper
535 * Instrumentation cleanup: kmem events should print hex pointers
536 * Fix compilation of ext4 and btrfs tracepoints on 2.6.40 kernels
537 * Fix: statedump hang/too early completion due to logic error
538 * Fix: statedump hang due to incorrect wait/wakeup use
539 * put_ulong calls in lib_ring_buffer_compat_ioctl() should be compat
540 * wrapper/perf.h: Fix kernel version condition
541 * Add new kernel probes instrumentation
542 * Update kernel probes to more detailed match to kernel versions
543 * Fix possible kernel build errors with linux-patches
544 * Add missing MIT license text to 3 files under this license
545 * Update sites using kernel version checking macro to new range
546 * Make upper bound of kernel version checking macro exclusive
547 * sock instrumentation: fix fields to get referenced values
548 * ext3 instrumentation: fix of assignment code conversion
549 * sched instrumentation: rename "pid" fields in sched_process_exec
550 * Remove remaining semicolons in TP_fast_assign blocks
551 * Fix compilation for 3.0 kernels that are named 2.6.40
552 * Fix compilation for 3.0 branch (>= 3.0.39)
553 * Add kernel version checking macro
554 * Remove semicolons in TP_fast_assign blocks
555 * Add ifdefs to net probe to support Linux 2.6.39
556 * Add kernel probes for supplementary subsystems
557 * Check if interrupt action name is not null in statedump
558 * Fix exec instrumentation: only for kernels 3.4.0 and higher
559 * Add TRACE_EVENT(sched_process_exec) to sched.h
560 * lib/ringbuffer/frontend_api.h: Include linux/prefetch.h.
561 * Fix warning with 3.6.0 kernel
562 * ABI with support for compat 32/64 bits
563 * Perform calculation on bit size in 64-bit
564 * Use uint64_t for packet header content size and packet size
565 * Fix: compat layer only on supported architectures
566 * Fix ring buffer 32/64 bits compat
567 * Fix cleanup: move lttng-tracer-core.h include to lib ringbuffer config.h
568 * Fix ring_buffer_frontend.c: missing include lttng-tracer-core.h
569 * Fix: statedump missing check for NULL namespace
571 2012-09-10 LTTng modules 2.1.0-rc1
572 * fix timestamps on architectures without CONFIG_KTIME_SCALAR
573 * Support for linux kernels 2.6.32 through 2.6.37
574 * Document limitation of vppid and ppid context wrt eventual RCU instrumentation
575 * Cleanup: no need to hold RCU read-side lock when reading current nsproxy
576 * Add env hostname information
577 * Fix: lttng_statedump_process_state for each PID NS has infinite loop
578 * lttng_statedump_process_state for each PID NS
579 * Support the hostname context
580 * Fix: statedump namespaced pid, tid and ppid
581 * Fix: statedump: disable vm maps enumeration
582 * Fix: ensure userspace accesses are done with _inatomic
583 * Fix: vppid context should test for current nsproxy
584 * Add MIPS system call support
585 * Change mode of lttng-syscalls-generate-headers.sh to 755
586 * cleanup: fix typo in syscall instrumentation header
587 * Cleanup: remove trailing whitespace in README
588 * trace event: introduce TP_MODULE_NOAUTOLOAD and TP_MODULE_NOINIT
589 * LTTng: probe-statedump: add #include <linux/sched.h>
590 * fix: signal_generate event should print utf8 for comm field
591 * Makes write operation a parameter for tp_memcpy macro
592 * Add coding style document
593 * Update instrumentation/events README file
594 * Add makefile target for preprocessor
595 * Fix: free_event_id check should compare unsigned int with -1U
596 * Use unsigned long type for events discarded counter
597 * Fix: update signal instrumentation for 3.4 kernel
598 * LTTng Modules ARM syscall instrumentation
599 * Fix: generate header missing echo -e for escape chars
600 * Fix: add missing uaccess.h include (for ARM)
601 * README: Document that CONFIG_MODULES is required
603 * Fix: document required and optional kernel config options in README
605 2012-03-29 LTTng modules 2.0.1
606 * Fix: is_compat_task !CONFIG_COMPAT compile error on kernels >= 3.3
608 2012-03-20 LTTng modules 2.0.0
609 * First STABLE version
612 2012-03-20 LTTng modules 2.0.0-rc4
613 * Update README and add version name place-holder
615 2012-03-16 LTTng modules 2.0.0-rc3
616 * Fix clock offset 32-bit multiplication overflow
617 * Fix : wrong assign of fd in state dump
618 * License cleanup, ifdef namespace cleanup
619 * Fix: ensure power of 2 check handles 64-bit size_t entirely
621 2012-03-02 LTTng modules 2.0.0-rc2
622 * Fix: dmesg printout should not print metadata warnings
623 * Fix: use transport name as channel name
624 * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_subbuf
626 2012-02-20 LTTng modules 2.0.0-rc1
627 * Standardize version across toolchain
628 * statedump: Use old macro name for kernel 2.6.38
630 2012-02-16 LTTng modules 2.0-pre15
631 * Add timer instrumentation
632 * fix: need to undef mainline define
633 * fix: Include signal.h instead of irq.h for prototype match check
634 * Add signal instrumentation
636 2012-02-16 LTTng modules 2.0-pre14
637 * syscall tracing: sys_getcpu
638 * Add sys_clone x86 instrumentation
639 * statedump: fix include circular dep
640 * Implement state dump
642 2012-02-09 LTTng modules 2.0-pre13
644 * environment: write sysname, release, version, domain to metadata
645 * Allow open /proc/lttng for read & write
647 2012-02-02 LTTng modules 2.0-pre12
648 * Add x86 32/64 execve syscall instrumentation override
649 * Remove unused defines
651 * Use LTTNG_KERNEL_SYM_NAME_LEN
652 * Update version to 1.9.9
653 * Add missing double-quotes to clock uuid
654 * clock: read bootid as clock monotonic ID
657 * clock: output clock description in metadata
658 * Properly fix the timekeeping overflow detection
660 * rename lib-ring-buffer to lttng-lib-ring-buffer
662 * Mass rename: ltt_*/ltt-* to LTTNG_*/LTTNG-*
665 * Remove debugfs file (keep only proc file)
666 * Rename lttng-debugfs-abi files to lttng-abi
668 2011-12-13 LTTng modules 2.0-pre11
669 * Fix OOPS caused by reference of config pointer
670 * Gather detailed info from x86 64 32-bit compat syscall instrumentation
671 * lttng lib: ring buffer move null pointer check to open
672 * lttng lib: ring buffer remove duplicate null pointer
673 * lttng lib: ring buffer: remove stale null-pointer
674 * lttng wrapper: add missing include to kallsyms wrapper
675 * lttng: cleanup one-bit signed bitfields
677 * Update symbol name length max size to 256
678 * Fix last modifications to string_from_user operations
679 * Document that depmod needs to be executed by hand
680 * Fix strlen_user fault space reservation
681 * Fix tp_copy_string_from_user handling of faults
682 * Disable block layer tracing support for kernels < 2.6.38
683 * lttng context: perf counter, fix 32-bit vs 64-bit field size bug
684 * Update trace clock warning to match the current development plan
685 * ringbuffer: make ring buffer printk less verbose
686 * Makefile: do not run depmod manually
688 2011-09-30 LTTng modules 2.0-pre10
689 * x86-32: override sys_mmap syscall instrumentation
692 2011-09-29 LTTng modules 2.0-pre9
693 * x86 32 syscalls: fix !CONFIG_UID16
694 * Use __string_from_user
695 * Add __string_from_user
696 * Rename "comm" context to "procname"
697 * Fetch "type" name field for mount syscall
698 * Create common override file for all architectures
699 * Shrink stack size usage
700 * Cleanup: remove unused lttng-compat-syscalls.c file
701 * Support detailed compat syscalls on x86_64
703 * Add disabled compat syscalls detail (work in progress)
704 * Add config compat support for detailed x86_32 syscalls
705 * Handle newer 3.1+ perf API
706 * Add dummy x86-32 override headers
707 * Bind x86-32 syscall headers
708 * Add x86-32 syscall headers
709 * Add check for KALLSYMS_ALL in syscall extraction script
710 * Automate string extraction for syscalls
711 * Automate syscall filename/pathname extraction
712 * Add exit to ring_buffer_frontend so module is unloadable
713 * Add sys_open filename (x86_64)
714 * Add missing memcpy callback
715 * copy_from_user and memset
716 * Add missing alignment after header write
717 * lib ring buffer: add frontend init as module_init
718 * lib ring buffer frontend: add missing lock initialization
719 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address (missing file)
720 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address
721 * Create override for sys_mmap
722 * Rename syscalls -> syscall in LTTng ABI
723 * Use different event name for compat syscalls
724 * Allow trace syscall table override
725 * Add dummy override files
726 * syscall detail: add override capability
727 * Add pointer pretty-print heuristics
729 * Rename sys exit errno into ret
730 * Enable detailed syscalls only for native x86_64
731 * Use "unknown" for compat syscalls
732 * Disable x86-64 specific detailed syscalls for now, until we deal with 32-bit compat
735 * Only enable detailed syscalls for x86_64 for now
736 * Merge unknown syscall method with extended detail method
737 * Add underscore prefix before event names
738 * Add syscalls pointers detailed syscall tracing
739 * Use perl for regexp
740 * Support generation of syscall probes for those with pointers
741 * Support detailed syscalls with 0 arguments
742 * detailed syscall tracing (work in progress)
743 * Expose /proc/lttng file
744 * Implement detailed syscall event probe
745 * Disable perf build for < 2.6.33 kernels
746 * Syscall detail mode: generate syscall table
747 * block instrumentation: write cmd as hex sequence
748 * lttng-events TRACE_EVENT generator cleanup
749 * block layer instrumentation: fix cmd field
750 * Remove 0 args syscalls for now from type-aware syscall cb generator
751 * Generate trace syscall table macros
752 * Put syscall tracing without arg types back in place
753 * Detailed system call tracing (TRACE_EVENT() generation for integer support)
754 * lttng events probes: don't clash with "ctx" variable name
755 * lib ring buffer must take private pointer copy before decrementing refcount
757 2011-08-16 LTTng modules 2.0-pre8
758 * Fix metadata buffer wait/wakeup
760 2011-08-12 LTTng modules 2.0-pre7
761 * Add missing module refcount to lttng_tracepoint_list_fops
762 * Add license info about lib/ringbuffer/ring_buffer_mmap.c being GPLv2
projects / lttng-modules.git / blob