73e2765f29cb5c36043c98c29277b6a15b53f4e3
[lttng-modules.git] / ChangeLog
1 2016-10-07 (National Frappé Day) LTTng modules 2.7.6
2 * Fix: show warning for broken clock work-around
3 * Fix: work-around upstream Linux timekeeping bug
4 * Documentation: lttng-modules 2.7 supports Linux < 4.8
5
6 2016-10-03 (National Techies Day) LTTng modules 2.7.5
7 * Fix: handle large number of pages or subbuffers per buffer
8 * Fix: unregister cpu hotplug notifier on buffer alloc error
9
10 2016-05-20 (Bike-to-Work Day) LTTng modules 2.7.4
11 * Fix: ring buffer: honor switch parameter type in remote switch
12 * Fix: only flush non-metadata channels
13 * Fix: don't perform extra flush on metadata channel
14 * Fix: flush empty packets on snapshot channel
15 * Fix: do not generate packet at destroy after stop
16 * Fix: compat ioctl for flush/get metadata version
17 * Fix: ctf_string() should handle NULL pointers
18 * Fix: add modules target to base Makefile
19 * Fix: make clean does not include dot-config
20 * Fix: trigger build error if CONFIG_TRACEPOINTS is not set
21 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.16.35
22 * Fix: integer endianness metadata generation
23 * Fix: endianness of integers received by filter
24
25 2016-04-26 LTTng modules 2.7.3
26 * Fix: writeback probe on RHEL >= 3.10.0-327.10.1
27 * Fix: RHEL kernel 3.10.0-327.13.1 compat
28 * Fix: ctf_user_integer should not trigger page fault
29 * Fix: lib_ring_buffer_copy_from_user_inatomic error handling
30 * Fix: remove unused gfpflags.h from btrfs and compaction instrumentation
31 * Fix: Remove dead code from filter interpreter
32 * Fix: x86 kvm mmutrace instrumentation for kernel < 3.6
33 * Fix: mm_vmscan instrumentation: remove unused gfpflags.h include
34 * Fix: use of uninitialized ret value in lttng_abi_create_event
35 * Fix: kmem instrumentation: remove unused gfpflags.h include
36 * Fix: 4.6 kernel: use in_compat_syscall
37 * Fix: use BUG_ON instead of accessing array subscript above array bounds
38 * Fix: Add granularity to RHEL kernel version checks
39
40 2016-03-09 LTTng modules 2.7.2
41 * Fix: filter interpreter with userspace strings
42 * Fix: rename kvm x86 TRACE_SYSTEM to avoid name clash
43 * Fix: format address fields as hexadecimal
44 * PowerPC-64 ABIv1: add build error if KALLSYMS_ALL is missing
45 * Fix: system call instrumentation overrides
46 * Fix: page_alloc wrapper incorrect parenthesis
47 * Fix: add missing versions and init call for page_alloc wrapper
48 * Fix: Define lttng-tracer metadata only once
49 * Fix: handle negative clock offset
50 * Fix: sched instrumentation for 4.1-rt11
51 * Add RT patch version macros
52 * Fix: Ubuntu kernel range for block_rq_complete
53 * Fix: Ubuntu kernel range for mm_page_alloc_extfrag
54 * Fix: update vmscan instrumentation for kernel 4.5
55 * Fix: check reference counts for overflow
56 * Fix: RHEL 7.2 scsi instrumentation
57 * Fix: RHEL 7.2 kvm instrumentation
58
59 2016-01-05 LTTng modules 2.7.1
60 * Fix: Use MAX_RT_PRIO offset in sched_wakeup_template
61 * Fix: update sched instrumentation for kernel 4.4.0
62 * Fix: instrumentation: v4lv2 missing include
63 * Fix: header size larger than 256 bytes
64 * Fix: tracepoint listing misses last loaded probe
65 * Fix: lttng trace-clock needs to disable preemption
66
67 2015-09-24 LTTng modules 2.7.0
68 * Fix: writeback instrumentation update for 4.3 Linux kernel
69 * Fix: update sched wakeup instrumentation for 4.3 kernel
70 * Fix: lttng-test build failure for kernels < 3.0
71
72 2015-09-09 LTTng modules 2.7.0-rc2
73 * Use 3.18 syscall instrumentation for MIPS32
74 * Update the MIPS32 syscall instrumentation to 3.18
75 * Fix: Move pipe override to the arch specific pointers_override.h
76 * Implement lttng test module
77 * Cleanup: remove logically dead code
78 * Fix: filter validator use after free
79 * Fix: use after free in channel release
80 * Fix: non-enabler events should be disabled by default
81 * Fix: build failure on 2.6.36
82 * Cleanup: split bdi_dirty_ratelimit with ifdef into separate macros
83 * Fix: writeback instrumentation for 4.2 kernels
84 * Fix: kmem probe with Ubuntu 3.13 kernels
85 * Fix: disable kvm probe if lapic.h isn't found
86 * Fix: timer instrumentation for 4.2 kernels
87 * Fix: ext4 instrumentation for 4.2 kernels
88 * Fix: kvm instrumentation for 4.2 kernels
89 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.18.10
90 * Fix: allow LTTng to be built within kernel tree
91
92 2015-07-15 LTTng modules 2.7.0-rc1
93 * Fix: Building the event list fails on fragmented memory
94 * Fix: use after free on metadata cache reallocation
95 * Fix: version checks for kernel 4.0
96 * Fix: Incorrect Ubuntu kernel patchlevel
97 * Fix: cpu-id context should use int type
98 * Implement cpu-id context
99 * Implement cpu_id context for filtering
100 * Fix: context printk mismatch on error
101 * Cleanup: misleading comment about deferrable timer
102 * Fix: arm-32 build
103 * Fix: Update kmem event for Ubuntu's 3.16 kernel
104 * Fix: RHEL 7.1 block instrumentation
105 * Fix: add RHEL version macros
106 * Fix: add missing parenthesis in ubuntu version check
107 * Fix: remove regmap instrumentation for kernels < 4.1
108 * Fix: Update kmem event for recent Ubuntu kernel
109 * Fix: missing statedump end event when block device listing available
110 * Fix: don't generate incorrect macros for debian/ubuntu version check
111 * Revert "Fix: build against Ubuntu kernels"
112 * Fix: build against Ubuntu kernels
113 * Add namespace info in sched_fork and statedump
114 * Fix: ext4 instrumentation: flags parameter did not exist prior to 3.11
115 * Fix: printk instrumentation: remove "condition" tracepoints
116 * Fix: regmap build against kernel 4.0 kernel headers
117 * Add mmu_valid_gen field to mmutrace events
118 * Fix: add missing x86 mmutrace kernel header include
119 * Fix: x86 mmutrace event extra field for kernels >= 3.11
120 * Fix: remove execute flag from kvm.h file
121 * Fix: build x86 kvm probes on kernels >= 4.1-rc1
122 * Fix: compilation on 4.1-rc1 kernel, remove unused WB_WORK_REASON
123 * Fix: 4.1-rc1 Linux build and regmap instrumentation
124 * Fix: don't clash with older Debian kernel versions
125 * Fix: update get_pfnblock_flags_mask wrapper for debian kernels
126 * Fix: discover Debian API
127 * Fix: Update README.md to match reality: kernels >= 2.6.36 are supported
128 * Fix: atomic.h wrapper for kernels < 2.6.37
129 * Fix: disable x86 kvm instrumentation for kernels < 2.6.38
130 * Fix: add missing types.h include for older kernels
131 * Fix: add hlist lttng wrappers
132 * Fix: add struct file_handle forward declaration
133 * Fix: string length calculation reversed user vs kernel args
134 * Fix: use lttng_rcu_dereference within lttng-syscalls.c
135 * Fix: add lttng rcu wrapper to allow tracing RCU
136 * Fix: double-unlock of session mutex
137 * Fix: check that class and instance prototype match
138 * Fix: lttng-events.h check function takes void
139 * Fix: regmap instrumentation for Linux 3.19.4 and 4.0
140 * Fix: kernels >= 2.6.33 put utsrelease.h in generated/
141 * Fix: Include utsrelease.h in lttng-kernel-version.h
142 * Fix: ext4 ext4_da_write_pages instrumentation for kernels < 3.11.0
143 * Fix: old kernels need module.h included before vermagic.h
144 * Fix: net instrumentation for kernels 2.6.39 and below
145 * Fix: version condition in makefile
146 * Implement wrapper around get_pfnblock_flags_mask
147 * Be more restrictive in provider name check
148 * Fix: net instrumentation namespacing
149 * Fix: compaction instrumentation namespacing
150 * Fix: Support 4.x kernel versions in Makefile
151 * Fix: remove stale TP_STRUCT_entry from kvm instrumentation
152 * Fix: add missing module.h include to lttng-probe-user.c
153 * Fix: use lttng hlist wrapper in wildcard and filter
154 * Fix: namespace asoc and kmem instrumentation
155 * Fix: update instrumentation after wildcard rebase
156 * Fix: lttng_abi_syscall_list does not need to be exported
157 * Migrate ARM, powerpc, MIPS syscall instrumentation to TP_FIELDS
158 * Remove now unused syscalls.h from lttng-modules
159 * Filter: start with enabler "disabled"
160 * Fix coverity warning about sizeof(void **) != sizeof(void *)
161 * Fix length type and text sequence base
162 * Fix: TP_FIELDS: add missing headers
163 * Migrate syscall instrumentation to TP_FIELDS
164 * Migrate tracepoint instrumentation to TP_FIELDS
165 * Implement filtering infrastructure
166 * syscall wildcards: apply syscall filtering
167 * Implement syscall wildcard support
168 * Implement tracepoint wildcard support
169 * Namespace all tracepoints
170 * Implement list.h wrapper for hlist in older kernels
171 * Implement listing of pid tracker content
172 * Implement PID tracking
173 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.14.36
174 * Fix: update writeback instrumentation for kernel 4.0+
175 * Fix: compaction mm_compaction_isolate_template update for Linux 4.0+
176 * Fix: kmem instrumentation update for mm_page_alloc_extfrag kernel 3.19.2+
177 * Fix: kmem instrumentation: mm_page_alloc extfrag change_ownership field
178 * Fix: missing parenthesis in offset_align_floor
179 * Fix: implement time.h wrapper for FD_ISSET
180 * Fix: update sched instrumentation for 3.19+ kernels
181 * Fix: update rcu instrumentation for 3.19+ kernels
182 * Fix: update scsi instrumentation for 3.19+ kernels
183 * Fix: update module instrumentation for 3.19+ kernels
184 * Fix: Add f_dentry wrapper for 3.19+ kernels
185 * Fix: introduce lttng_get_unused_fd() wrapper for 3.19 kernels
186 * Fix: lttng_this_cpu_ptr wrapper for kernel 3.19+
187 * Fix: Update btrfs instrumentation for 3.18 Linux kernel
188 * Fix compile error on kernel 3.0.101 with CONFIG_PERF_EVENTS
189 * Conditional compilation introduced by lttng-modules commit
190 * Fix: compaction instrumentation update for 3.14.x stable kernels
191 * Fix: context alignment not properly handled
192 * Fix compilation on Linux kernel >= 3.18.0
193 * Fix: build for architectures without HAVE_SYSCALL_TRACEPOINTS
194
195 2014-10-20 LTTng modules 2.6.0-rc1
196 * Expose lttng-modules ABI version ioctl
197 * Fix: syscall list ioctl number conflict
198 * lttng-modules: fix build for non-x86
199 * Fix: syscall listing of session
200 * Print build warning when writeback probe is disabled
201 * Add atomic.h wrapper for before/after atomic
202 * Fix compilation on Ubuntu 14.10
203 * Fix: export name as text array in writeback
204 * Cleanup: remove unused trace_clock_read32()
205 * Use 3.17 ktime_get_mono_fast_ns() new API
206 * Check for stale version.h files
207 * Fix: compile lttng_statedump_process_ns on Ubuntu
208 * Reverse version check logic in lttng_statedump_process_ns
209 * Fix block_rq_complete TP on Ubuntu kernel
210 * Introduce macros to check Ubuntu kernel version
211 * Sync writeback tracepoints from mainline
212 * Fix: redefinition of DEFINE_WRITEBACK_EVENT
213 * Fix: hander negative get_syscall_nr return value
214 * Fix: statedump: close_on_exec flag backward compat
215 * Fix instrumentation of vmscan for older kernels
216 * Fix: older kernels (3.2.x) don't undefine TRACE_SYSTEM
217 * Fix: syscall listing: handle "enable all syscall"
218 * Fix: don't allow disabling syscalls when none are enabled
219 * Fix: syscall: fail disable all if all already disabled
220 * Fix: syscall filtering: NULL pointer deref
221 * Cleanup: list syscall without syscall_entry prefix
222 * Fix: syscall_list_show NULL pointer deref
223 * implement syscall mask getter
224 * Cleanup: lttng-abi.h coding style
225 * syscall listing: show syscall ID
226 * Allow events with same name to be enabled for each channel
227 * ABI: use enable a syscall ABI field name
228 * Implement syscall listing
229 * Fix: tracepoint list anonymous file name
230 * Fix: syscall filtering: disable all syscalls
231 * syscall tracing: input/output parameter handling for all arch
232 * lttng-get-syscall-inout.sh depends on bash
233 * Fix generate syscall header script: add missing escape char
234 * syscall instrumentation: handle copy_from_user return value
235 * Rename LTTng syscall instrumentation macros
236 * Rename LTTng instrumentation macros
237 * Extract input/output arguments from accept and connect syscalls
238 * syscall: extract pipe and pipe2 output args
239 * Remove sys_ prefix from syscall names
240 * System call inout/output arg processing
241 * Update syscall inout table
242 * Add syscall inout table
243 * Extract syscall exit ret value on x86 32/64
244 * Extract system call exit return value
245 * Syscall filtering: apply to syscall exit
246 * System call filtering
247 * asoc.h: fix build with v3.17 kernel
248 * Fix: lttng-modules teardown NULL pointer OOPS
249 * Fix: handle concurrent flush vs get_next_subbuf on metadata cache
250 * Modernize README using Markdown
251 * Fix: OOT lttng_logger tracepoint not visible with signed kernels
252 * Add cscope to gitignore
253 * Update kvm instrumentation: compile on 3.17-rc1
254 * Update statedump to 3.17 nsproxy locking
255 * Fix: noargs probes should calculate alignment and event length
256 * Update compaction instrumentation to 3.16 kernel
257 * Update vmscan instrumentation to 3.16 kernel
258
259 2014-07-16 (Take Your Poet to Work Day) LTTng modules 2.5.0
260 * (no change)
261
262 2014-06-27 LTTng modules 2.5.0-rc2
263 * Fix: statedump: check whether "files" is NULL, RCU semantic fix
264 * Fix: statedump handle oom case, handle errors
265 * Fix: correct typo in kernel version number
266 * Fix: blktrace instrumentation for backported branches
267 * Fix: statedump block devices OOPS
268
269 2014-05-28 (International Hamburger Day) LTTng modules 2.5.0-rc1
270 * Add TID field to some block_* events
271 * Fix: refuse overwrite mode buffers with less than two subbuffers
272 * Fix: lttng modules system call generation script
273 * Dump FD flags and mode on state dump
274 * Fix: incorrect rwbs field type in block_bio_queue
275 * Fix: blktrace instrumentation for v3.2.58+ stable branch
276 * Fix: pass proper args when writing commit counter
277 * Cleanup: lib ringbuffer: pagecpy has unsigned semantic
278 * Fix: allow racy tracepoint string input from kernel and userspace
279 * Statedump event for block devices
280 * Fix: update v4l2 instrumentation to 3.15 kernel
281 * Fix: ext4 update instrumentation to 3.15 kernel
282 * Fix: update block instrumentation to 3.15 kernel
283 * Fix: module instrumentation: update to 3.15 kernel
284 * Adapt to 3.15 tracepoint API
285 * Kernel 3.15 don't define map unmap for pipe
286 * Fix: add missing module version in v4l2 probe
287 * Add V4L2 instrumentation
288 * Fix: rcu instrumentation: add const qualifier to char pointers
289 * Fix: add missing module version information
290 * Use kernel 3.13 syscall tables for MIPS32
291 * Add MIPS32 syscalls extracted from a 3.13 kernel
292 * Fix: block instrumentation: < 3.14 don't have bi_iter
293 * Fix: update btrfs instrumentation to kernel 3.14
294 * Fix: update block layer instrumentation to kernel 3.14
295 * Fix: remove __exit annotation
296 * Fix file permissions for lttng-statedump-impl.c
297 * LTTng logger ABI
298
299 2014-02-28 (Public Sleeping Day) LTTng modules 2.4.0
300 * Fix: load state dump even if work-around lookup fails
301 * Cleanup: fix comment
302 * Fix: correctly version kvm events to build against v3.0 kernel
303 * Add extraversion (e.g. -rc4) to lttng-tracer modinfo
304
305 2014-02-14 LTTng modules 2.4.0-rc4
306 * Fix: use after free in ring buffer clients
307 * Fix: Add statedump exit so module is not permanent
308 * Cleanup: move callback init to static initialization
309 * Fix: OOT lttng-statedump tracepoints not visible with signed kernels
310
311 2014-01-29 LTTng modules 2.4.0-rc3
312 * Fix: tracepoint event name mapping at unregister
313 * Fix: tracepoint name remapping
314 * Fix: enable event error path memory corruption
315 * Update kvm instrumentation to Linux 3.13
316 * Update sched instrumentation to Linux 3.13
317 * Fix: provide more precise error report for enable event
318 * Fix: quote event name in metadata
319 * Add version info to lttng-tracer.ko modinfo
320
321 2013-12-10 LTTng modules 2.4.0-rc2
322 * Fix: client_packet_header() uses wrong packet
323 * Cleanup: fix typo in ring buffer backend comment
324 * Fix: handle unknown event type parameter
325 * Fix: eliminate timestamp overlap between packets
326 * gcc blacklist: only apply when building with gcc
327 * Blacklist ARM gcc 4.8.0, 4.8.1, 4.8.2
328
329 2013-11-15 LTTng modules 2.4.0-rc1
330 * Update ext4 instrumentation to Linux 3.12
331 * Update RCU instrumentation to Linux 3.12
332 * Update btrfs instrumentation to 3.12 kernel
333 * Update vmscan instrumentation to Linux 3.12
334 * update: kmem instrumentation 3.12 kernel support
335 * lttng-statedump-impl: Use generic hard irqs for Linux >= 3.12
336 * lttng-statedump-impl: Fix lttng_list_interrupts for empty implementation
337 * Import fix from LTSI: 3.4+ RT kernels use CONFIG_PREEMPT_RT_FULL
338 * Add new tracepoint in KVM
339 * Blacklist kernels 3.10.13 and 3.11.2
340 * LTTng trace-clock: shrink kernel blacklist
341 * Metadata flush writes data from the cache
342 * Per-stream ioctl to get the current timestamp
343 * LTTng ringbuffer ABI calls for index generation
344 * Prepare LTTng override of ring buffer fops
345 * Blacklist Linux kernels 3.10+
346
347 2013-09-03 LTTng modules 2.3.0
348 * Fix: metadata stream should not reference session
349 * Fix: btrfs: support 3.11 Linux kernel
350 * statedump: remove KERN_DEBUG messages
351 * Fix: ext4: add missing tracepoints for 3.11 kernel
352 * Fix: ext4: Linux 3.11 support
353 * Fix: ext3: 3.11 Linux support
354 * Fix: statedump nsproxy 3.11 Linux support
355
356 2013-08-30 LTTng modules 2.3.0-rc2
357 * Fix: metadata lttng channel refcount
358 * README: lttng-modules incompatible with lttng 0.x patchset
359
360 2013-07-17 LTTng modules 2.3.0-rc1
361 * Fix: kvm x86 probes side-effect
362 * Fix: allow get/put subbuf in loop for metadata stream
363 * Add support for kvm x86 specific tracepoints
364 * Add mainline headers for kvm x86 tracepoints
365 * Remove old 3.0.4 x86-64 extracted syscall info
366 * Point the x86-64 overrides to newly extracted 3.10-rc7 files
367 * Add syscalls extracted files from a 3.10-rc7 kernel
368 * Improve documentation of the syscall extractor script
369 * Fix: double length of __dynamic_len array
370 * Fix printk instrumentation
371 * Introduce __dynamic_array_enc_ext_2() and tp_memcpy_dyn_2()
372 * Fix: ring buffer: get_subbuf() checks should be performed on "consumed" parameter
373 * Fix: SWITCH_FLUSH new sub-buffer checks
374 * Fix: ring buffer: handle concurrent update in nested buffer wrap around check
375 * Cleanup: lib_ring_buffer_switch_new_end() only calls subbuffer_set_data_size()
376 * Revert "Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()"
377 * Fix: handle writes of length 0
378 * Fix: ring buffer: RING_BUFFER_FLUSH ioctl buffer corruption
379 * Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()
380 * print warning and return -EBUSY on double get_subbuf()
381 * Add header to fix compilation of syscalls-extractor on 3.9 kernel
382 * Fix: don't do 0 byte event reservation
383 * Document that payload size need to be greater than 0
384 * Fix build and load against linux-2.6.33.x
385 * Fix: add missing CONFIG_COMPAT around lib_ring_buffer_compat_ioctl
386 * Metadata cache and multiple metadata channels
387 * fix block instrumentation probe signature mismatch for 3.9.x kernels
388 * fix: block instrumentation: NULL pointer dereference
389 * Update rcu instrumentation to 3.9.[0-4]
390 * Fix CPU hotplug section mismatches
391 * Add system calls definitions for powerpc-32
392 * Remove bashism in lttng-syscalls-generate-headers.sh
393 * Update ARM (32 bit) syscall tracepoints to 3.4
394
395 2013-05-09 LTTng modules 2.2.0-rc2
396 * Remove useless lttng_metadata probe
397 * Fix: warning kvm_trace_exit_reason redefined for 3.9 kernel
398 * Fix: 3.9.0 block layer instrumentation build
399 * Revert "Stop build if CONFIG_TRACEPOINTS is not set"
400 * Stop build if CONFIG_TRACEPOINTS is not set
401 * Add comments to endifs.
402 * Fix: remove ARM set_tls system call override
403 * Cleanup: arm sys_mmap whitespace
404 * Clean up using global_dirty_limit wrapper for writeback probe
405
406 2013-03-29 LTTng modules 2.2.0-rc1
407 * Update README
408 * Fix: vmscan instrumentation build
409 * writeback instrumentation: remove duplicated structures
410 * block: update instrumentation to 3.9 rc kernel
411 * rcu: update to 3.9 rc kernel instrumentation
412 * workqueue instrumentation: remove duplicated structures
413 * Rename odd event names
414 * Introduce API to remap event names exposed by LTTng
415 * lttng-module: sched.h: Fix compilation on 3.9 kernel
416 * Fix Linux 3.8 btrfs probe warning
417 * Fix Linux 3.8 ext4 probe support
418 * Fix 3.8 kernel support: namespace lttng_is_signed_type()
419 * Fix: don't flush-final for offset 0 if reader is on sub-buffer
420 * instrumentation sched: add missing fork pid info
421 * Fix check in lttng_strlen_user_inatomic
422 * instrumentation: sync with Linux commit a1ce392
423 * Fix: statedump: missing locking, use lttng_iterate_fd
424 * Implement lttng_iterate_fd wrapper
425 * Instrumentation cleanup: kmem events should print hex pointers
426 * Fix compilation of ext4 and btrfs tracepoints on 2.6.40 kernels
427 * Fix: statedump hang/too early completion due to logic error
428 * Fix: statedump hang due to incorrect wait/wakeup use
429 * put_ulong calls in lib_ring_buffer_compat_ioctl() should be compat
430 * wrapper/perf.h: Fix kernel version condition
431 * Add new kernel probes instrumentation
432 * Update kernel probes to more detailed match to kernel versions
433 * Fix possible kernel build errors with linux-patches
434 * Add missing MIT license text to 3 files under this license
435 * Update sites using kernel version checking macro to new range
436 * Make upper bound of kernel version checking macro exclusive
437 * sock instrumentation: fix fields to get referenced values
438 * ext3 instrumentation: fix of assignment code conversion
439 * sched instrumentation: rename "pid" fields in sched_process_exec
440 * Remove remaining semicolons in TP_fast_assign blocks
441 * Fix compilation for 3.0 kernels that are named 2.6.40
442 * Fix compilation for 3.0 branch (>= 3.0.39)
443 * Add kernel version checking macro
444 * Remove semicolons in TP_fast_assign blocks
445 * Add ifdefs to net probe to support Linux 2.6.39
446 * Add kernel probes for supplementary subsystems
447 * Check if interrupt action name is not null in statedump
448 * Fix exec instrumentation: only for kernels 3.4.0 and higher
449 * Add TRACE_EVENT(sched_process_exec) to sched.h
450 * lib/ringbuffer/frontend_api.h: Include linux/prefetch.h.
451 * Fix warning with 3.6.0 kernel
452 * ABI with support for compat 32/64 bits
453 * Perform calculation on bit size in 64-bit
454 * Use uint64_t for packet header content size and packet size
455 * Fix: compat layer only on supported architectures
456 * Fix ring buffer 32/64 bits compat
457 * Fix cleanup: move lttng-tracer-core.h include to lib ringbuffer config.h
458 * Fix ring_buffer_frontend.c: missing include lttng-tracer-core.h
459 * Fix: statedump missing check for NULL namespace
460
461 2012-09-10 LTTng modules 2.1.0-rc1
462 * fix timestamps on architectures without CONFIG_KTIME_SCALAR
463 * Support for linux kernels 2.6.32 through 2.6.37
464 * Document limitation of vppid and ppid context wrt eventual RCU instrumentation
465 * Cleanup: no need to hold RCU read-side lock when reading current nsproxy
466 * Add env hostname information
467 * Fix: lttng_statedump_process_state for each PID NS has infinite loop
468 * lttng_statedump_process_state for each PID NS
469 * Support the hostname context
470 * Fix: statedump namespaced pid, tid and ppid
471 * Fix: statedump: disable vm maps enumeration
472 * Fix: ensure userspace accesses are done with _inatomic
473 * Fix: vppid context should test for current nsproxy
474 * Add MIPS system call support
475 * Change mode of lttng-syscalls-generate-headers.sh to 755
476 * cleanup: fix typo in syscall instrumentation header
477 * Cleanup: remove trailing whitespace in README
478 * trace event: introduce TP_MODULE_NOAUTOLOAD and TP_MODULE_NOINIT
479 * LTTng: probe-statedump: add #include <linux/sched.h>
480 * fix: signal_generate event should print utf8 for comm field
481 * Makes write operation a parameter for tp_memcpy macro
482 * Add coding style document
483 * Update instrumentation/events README file
484 * Add makefile target for preprocessor
485 * Fix: free_event_id check should compare unsigned int with -1U
486 * Use unsigned long type for events discarded counter
487 * Fix: update signal instrumentation for 3.4 kernel
488 * LTTng Modules ARM syscall instrumentation
489 * Fix: generate header missing echo -e for escape chars
490 * Fix: add missing uaccess.h include (for ARM)
491 * README: Document that CONFIG_MODULES is required
492 * Fix: README typo
493 * Fix: document required and optional kernel config options in README
494
495 2012-03-29 LTTng modules 2.0.1
496 * Fix: is_compat_task !CONFIG_COMPAT compile error on kernels >= 3.3
497
498 2012-03-20 LTTng modules 2.0.0
499 * First STABLE version
500 * Add version name
501
502 2012-03-20 LTTng modules 2.0.0-rc4
503 * Update README and add version name place-holder
504
505 2012-03-16 LTTng modules 2.0.0-rc3
506 * Fix clock offset 32-bit multiplication overflow
507 * Fix : wrong assign of fd in state dump
508 * License cleanup, ifdef namespace cleanup
509 * Fix: ensure power of 2 check handles 64-bit size_t entirely
510
511 2012-03-02 LTTng modules 2.0.0-rc2
512 * Fix: dmesg printout should not print metadata warnings
513 * Fix: use transport name as channel name
514 * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_subbuf
515
516 2012-02-20 LTTng modules 2.0.0-rc1
517 * Standardize version across toolchain
518 * statedump: Use old macro name for kernel 2.6.38
519
520 2012-02-16 LTTng modules 2.0-pre15
521 * Add timer instrumentation
522 * fix: need to undef mainline define
523 * fix: Include signal.h instead of irq.h for prototype match check
524 * Add signal instrumentation
525
526 2012-02-16 LTTng modules 2.0-pre14
527 * syscall tracing: sys_getcpu
528 * Add sys_clone x86 instrumentation
529 * statedump: fix include circular dep
530 * Implement state dump
531
532 2012-02-09 LTTng modules 2.0-pre13
533 * Update README
534 * environment: write sysname, release, version, domain to metadata
535 * Allow open /proc/lttng for read & write
536
537 2012-02-02 LTTng modules 2.0-pre12
538 * Add x86 32/64 execve syscall instrumentation override
539 * Remove unused defines
540 * Add padding to ABI
541 * Use LTTNG_KERNEL_SYM_NAME_LEN
542 * Update version to 1.9.9
543 * Add missing double-quotes to clock uuid
544 * clock: read bootid as clock monotonic ID
545 * Fix comment
546 * Cleanup comment
547 * clock: output clock description in metadata
548 * Properly fix the timekeeping overflow detection
549 * Fix init bug
550 * rename lib-ring-buffer to lttng-lib-ring-buffer
551 * Remove #warning
552 * Mass rename: ltt_*/ltt-* to LTTNG_*/LTTNG-*
553 * Update TODO
554 * Update TODO
555 * Remove debugfs file (keep only proc file)
556 * Rename lttng-debugfs-abi files to lttng-abi
557
558 2011-12-13 LTTng modules 2.0-pre11
559 * Fix OOPS caused by reference of config pointer
560 * Gather detailed info from x86 64 32-bit compat syscall instrumentation
561 * lttng lib: ring buffer move null pointer check to open
562 * lttng lib: ring buffer remove duplicate null pointer
563 * lttng lib: ring buffer: remove stale null-pointer
564 * lttng wrapper: add missing include to kallsyms wrapper
565 * lttng: cleanup one-bit signed bitfields
566 * Add TODO file
567 * Update symbol name length max size to 256
568 * Fix last modifications to string_from_user operations
569 * Document that depmod needs to be executed by hand
570 * Fix strlen_user fault space reservation
571 * Fix tp_copy_string_from_user handling of faults
572 * Disable block layer tracing support for kernels < 2.6.38
573 * lttng context: perf counter, fix 32-bit vs 64-bit field size bug
574 * Update trace clock warning to match the current development plan
575 * ringbuffer: make ring buffer printk less verbose
576 * Makefile: do not run depmod manually
577
578 2011-09-30 LTTng modules 2.0-pre10
579 * x86-32: override sys_mmap syscall instrumentation
580 * Fix cast warning
581
582 2011-09-29 LTTng modules 2.0-pre9
583 * x86 32 syscalls: fix !CONFIG_UID16
584 * Use __string_from_user
585 * Add __string_from_user
586 * Rename "comm" context to "procname"
587 * Fetch "type" name field for mount syscall
588 * Create common override file for all architectures
589 * Shrink stack size usage
590 * Cleanup: remove unused lttng-compat-syscalls.c file
591 * Support detailed compat syscalls on x86_64
592 * Fix syscall table
593 * Add disabled compat syscalls detail (work in progress)
594 * Add config compat support for detailed x86_32 syscalls
595 * Handle newer 3.1+ perf API
596 * Add dummy x86-32 override headers
597 * Bind x86-32 syscall headers
598 * Add x86-32 syscall headers
599 * Add check for KALLSYMS_ALL in syscall extraction script
600 * Automate string extraction for syscalls
601 * Automate syscall filename/pathname extraction
602 * Add exit to ring_buffer_frontend so module is unloadable
603 * Add sys_open filename (x86_64)
604 * Add missing memcpy callback
605 * copy_from_user and memset
606 * Add missing alignment after header write
607 * lib ring buffer: add frontend init as module_init
608 * lib ring buffer frontend: add missing lock initialization
609 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address (missing file)
610 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address
611 * Create override for sys_mmap
612 * Rename syscalls -> syscall in LTTng ABI
613 * Use different event name for compat syscalls
614 * Allow trace syscall table override
615 * Add dummy override files
616 * syscall detail: add override capability
617 * Add pointer pretty-print heuristics
618 * Add __field_hex
619 * Rename sys exit errno into ret
620 * Enable detailed syscalls only for native x86_64
621 * Use "unknown" for compat syscalls
622 * Disable x86-64 specific detailed syscalls for now, until we deal with 32-bit compat
623 * Fix syscall exit
624 * Fix sys exit
625 * Only enable detailed syscalls for x86_64 for now
626 * Merge unknown syscall method with extended detail method
627 * Add underscore prefix before event names
628 * Add syscalls pointers detailed syscall tracing
629 * Use perl for regexp
630 * Support generation of syscall probes for those with pointers
631 * Support detailed syscalls with 0 arguments
632 * detailed syscall tracing (work in progress)
633 * Expose /proc/lttng file
634 * Implement detailed syscall event probe
635 * Disable perf build for < 2.6.33 kernels
636 * Syscall detail mode: generate syscall table
637 * block instrumentation: write cmd as hex sequence
638 * lttng-events TRACE_EVENT generator cleanup
639 * block layer instrumentation: fix cmd field
640 * Remove 0 args syscalls for now from type-aware syscall cb generator
641 * Generate trace syscall table macros
642 * Put syscall tracing without arg types back in place
643 * Detailed system call tracing (TRACE_EVENT() generation for integer support)
644 * lttng events probes: don't clash with "ctx" variable name
645 * lib ring buffer must take private pointer copy before decrementing refcount
646
647 2011-08-16 LTTng modules 2.0-pre8
648 * Fix metadata buffer wait/wakeup
649
650 2011-08-12 LTTng modules 2.0-pre7
651 * Add missing module refcount to lttng_tracepoint_list_fops
652 * Add license info about lib/ringbuffer/ring_buffer_mmap.c being GPLv2
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