forked from lttng/lttng-modules
-
Notifications
You must be signed in to change notification settings - Fork 1
/
ChangeLog
887 lines (846 loc) · 40.6 KB
/
ChangeLog
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
2018-05-09 (Lost Sock Memorial Day) LTTng modules 2.10.6
* Fix: update RCU instrumentation for 4.17
* Fix: sunrpc instrumentation for 4.17
* Fix: use struct reclaim_stat in mm_vmscan_lru_shrink_inactive for 4.17
* Fix: Add gfp_flags arg to mm_vmscan_kswapd_wake for 4.17
* Update: kvm instrumentation for ubuntu 4.13.0-38
* Fix: update kvm instrumentation for Ubuntu 3.13.0-144
* Fix: btrfs instrumentation namespacing
* Cleanup: comment about CONFIG_HOTPLUG_CPU ifdef
* Fix: do not use CONFIG_HOTPLUG_CPU for the new hotplug API
* Fix: update kvm instrumentation for 4.1.50+
* Use the memory pool instead of kmalloc
* Create a memory pool for temporary tracepoint probes storage
* Fix: use proper pid_ns in the process statedump
* Fix: add variable quoting to shell scripts
* Update: kvm instrumentation for fedora 4.14.13-300
* Fix: Add Fedora version macros
* Fix: update btrfs instrumentation for SuSE 4.4.114-92
* Fix: update block instrumentation for SuSE 4.4.114-92
* Fix: update rcu instrumentation for v4.16
* Fix: update vmscan instrumentation for v4.16
* Fix: update timer instrumentation on 4.16 and 4.14-rt
* Update kvm instrumentation for debian kernel 4.14.0-3
2018-01-30 (National Croissant Day) LTTng modules 2.10.5
* Fix: network instrumentation protocol enum
* Fix: update btrfs instrumentation for SuSE 4.4.103-6
* Fix: update block instrumentation for SuSE 4.4.73-5
* Fix: global_dirty_limit for kernel v4.2 and up
* Fix: network instrumentation handling of corrupted TCP headers
* Fix: add missing uaccess.h include from kstrtox.h wrapper
* Update: kvm instrumentation for 4.14.14+, 4.9.77+, 4.4.112+
* Fix: btrfs_delayed_ref_head was unwired since v3.12
* Update kvm instrumentation for debian kernel 4.9.65-3
* Fix: debian kernel version parsing
* Fix: block instrumentation 4.14+ NULL pointer dereference
* Update: kvm instrumentation for 3.16.52 and 3.2.97
* Fix: kvm instrumentation for 4.15
* Update sock instrumentation for 4.15
* Update kvm instrumentation for 4.15
* Fix: ACCESS_ONCE() removed in kernel 4.15
* Fix: sched instrumentation on stable RT kernels
* timer API transition for kernel 4.15
* Fix: Don't nest get online cpus
* Fix: lttng_channel_syscall_mask() bool use in bitfield
* Fix: update kmem instrumentation for kernel 4.15
2017-11-08 (National Cappuccino Day) LTTng modules 2.10.4
* Fix: lttng_kvmalloc helper NULL pointer OOP
2017-11-03 (National Sandwich) LTTng modules 2.10.3
* Fix: lttng-logger get_user_pages_fast error handling
2017-10-05 (National Techies Day) LTTng modules 2.10.2
* Fix: update block instrumentation for 4.14 kernel
* Revert "Fix: update block instrumentation for kernel 4.14"
2017-10-03 (National Techies Day) LTTng modules 2.10.1
* Fix: version check error in btrfs instrumentation
* Fix: update btrfs instrumentation for kernel 4.14
* Fix: update writeback instrumentation for kernel 4.14
* Fix: update block instrumentation for kernel 4.14
* Fix: vmalloc wrapper on kernel < 2.6.38
* Fix: vmalloc wrapper on kernel >= 4.12
* Add kmalloc failover to vmalloc
* Fix: mmap: caches aliased on virtual addresses
* Fix: update ext4 instrumentation for kernel 4.13
2017-08-01 (World Wide Web Day) LTTng modules 2.10.0
* Fix: Sleeping function called from invalid context
* Fix: sched for v4.11.5-rt1
* Fix: handle missing ftrace header on v4.12
2017-06-12 (National Peanut Butter Cookie Day) LTTng modules 2.10.0-rc2
* Fix: pid tracker should track "pgid"
* Fix: Build ftrace probe on kernels prior to 4.12
* Fix: update ftrace probe for kernel 4.12
* Fix: update block instrumentation for kernel 4.12
* Fix: Add support for 4.9.27-rt18 kernel
* Fix: update btrfs instrumentation for kernel 4.12
* Fix: update ringbuffer for kernel 4.12
* Fix: update sched instrumentation for kernel 4.12
* Fix: ext3 was completely removed from the kernel in v4.3
* Fix: NULL pointer dereference of THIS_MODULE with built-in modules
* Fix: add "flush empty" ioctl for stream intersection
* Revert "Fix: flush empty packets on snapshot channel"
* Revert "Fix: don't perform extra flush on metadata channel"
2017-05-05 (International Tuba Day) LTTng modules 2.10.0-rc1
* Fix: remove CONFIG_KALLSYMS_ALL warning on clean
* Add RING_BUFFER_SNAPSHOT_SAMPLE_POSITIONS command
* Fix: Always build vmscan probe
* Cleanup: formatting in strutils_star_glob_match explanation
* Fix: introduce LTTNG_SIZE_MAX for older kernels
* Use SIZE_MAX instead of -1ULL for size_t parameter
* filter: use SIZE_MAX for size_t
* Fix: out of bound array access in filter code
* Add support for star globbing patterns in event names
* Filtering: add support for star-only globbing patterns
* Add string utilities
* lttng-abi.c: cleanup whitespaces
* Fix: use of uninitialized ret value in lttng_abi_open_metadata_stream
* Fix: kref changes for kernel 4.11
* Fix: atomic_add_unless() returns true/false rather than prior value
* Fix: timers cputime_t arguments replaced by ull in kernel 4.11
* Fix: update scsi instrumentation for kernel 4.11
* Fix: changes to the vm_op fault cb prototype in libringbuffer
* Fix: update btrfs instrumentation for kernel 4.11
* Fix: update mm_vmscan instrumentation for kernel 4.11
* Fix: section mismatch warning caused by __exit annotation
* socketpair: extend syscall socketpair tracing information
* Remove events/mainline unused headers
* update event README
* Fix: nmi-safe clock on 32-bit systems
* Fix: only include linux/cpuhotplug.h for kernels >= 4.10
* Fix: 4.10 hotplug adaptation backward compat
* Fix: 4.10 btrfs instrumentation update backward compat
* Update btrfs instrumentation for 4.10 kernel
* Adapt lttng-modules to Linux 4.10 cpu hotplug state machine
* btrfs instrumentation: update to 4.10 kernel
* timer instrumentation: adapt to ktime_t without union
* Add load/unload messages to kernel log
* Update version to 2.10.0-pre
* Fix: asoc instrumentation for RHEL 7.3
* Fix: SCSI instrumentation for SLES12 SP2
* Add SUSE Linux Enterprise kernel version tests
* Filter code relicensing to MIT license
* Add task cpu in process statedump
* Performance: add missing unlikely in reserve
* Fix: preemptible and migratable context error handling
* Fix: bump stable kernel version ranges for clock work-around
2016-10-07 (National Frappé Day) LTTng modules 2.9.0-rc1
* Fix: i2c: support kernels < 3.15
* Fix: show warning for broken clock work-around
* Bump minor ABI version
* Fix: work-around upstream Linux timekeeping bug
* Add support for i2c tracepoints
* Cleanup: makefile version checks with single "ge"
* Performance: special-case NULL in lttng_strlen_user_inatomic
* Fix: lttng_inline_memcpy does not take a __user argument
* Performance: implement lttng_inline_memcpy
* Performance: cache the backend pages pointer in context
* Cleanup: libringbuffer: remove duplicate pointer chasing in slow paths
* Performance: Only dereference commit index once
* Performance: Mark channel and buffer event disabled check unlikely
* Performance: Relax atomicity constraints for crash handling
* Performance: mark ring buffer do_copy callers always inline
* Performance: mark lib_ring_buffer_write always inline
* Kconfig: select TRACEPOINTS when built-in
* Performance: disable event counting by default
* Fix: handle large number of pages or subbuffers per buffer
* Fix: unregister cpu hotplug notifier on buffer alloc error
* Fix: sa_family is of type unsigned short
* Fix: check for sizeof sa_family to save sa_family in accept and connect
* Fix: use printk_once() for wrapper warning messages
* Fix: btrfs instrumentation for 4.8 kernel
* Fix: update mm_vmscan instrumentation for kernel 4.8
* Fix: napi instrumentation for 4.8 kernels
* Fix: update block instrumentation to compile on 4.8 kernels
* Cleanup: reuse code in accept() and accept4() instrumentation
* Add x86-64 override for accept4 syscall
* Fix: timer wrapper: support kernels >= 4.8
* Performance: split check deliver fast/slow paths
* Fix: x86-64 accept instrumentation
* Fix: Add support for 4.6.4-rt8 kernel
* Fix: update scsi instrumentation for 4.7+ kernels
* Fix: Use fs_initcall instead of rootfs_initcall
* Fix: Add kernel configuration for lttng clock plugin
* Fix: the clock plugin must be initiated before first use of the clock
* Fix: tests/Kbuild for older kernels
* Cleanup: __dynamic_len_idx set but not used warning
* Cleanup: coding style and comments of net.h
* net: Add TCP header data to net_* tracepoints
* net: Add IPv4/IPv6 header data to net_* tracepoints
* Fix: endianness for the container type of enum
* enumeration autoincrement: use if/else logic
* Cleanup trailing whitespaces
* lttng-test probe: test ctf_enum_auto()
* Add ctf_enum_auto() for autoincrementing enumeration values
* Implement session statedump command
* Fix: annotate bytecode interpreter for kernel stack validator
* Update version to 2.9.0-pre
* Fix: ring buffer: honor switch parameter type in remote switch
* Fix: only flush non-metadata channels
* Fix: don't perform extra flush on metadata channel
* select, poll and epoll_wait overrides on ARM 32-bit
* Fix: flush empty packets on snapshot channel
* Fix: do not generate packet at destroy after stop
* Fix: compat ioctl for flush/get metadata version
* Fix: ctf_string() should handle NULL pointers
* Fix: portability: no arith on void pointer
* Fix: add missing tests/Kbuild
* Test clock override plugin
* Fix: add modules target to base Makefile
* Fix: make clean does not include dot-config
* Fix: trigger build error if CONFIG_TRACEPOINTS is not set
* Documentation: document that CONFIG_MODULES not required when builtin
* Fix: add missing errno include in random wrapper
* Fix: mm_page_alloc_extfrag instrumentation for kernel 3.16.35
* Fix: copy_from_user size when limited allocation
* Extract the payload of epoll_wait/epoll_pwait
* Extract the payload for epoll_ctl
* Extract the FDs and flags from poll and ppoll
* Extract the FD sets in select and pselect6
* Add ctf_integer_bitfield_type
* Implement enumeration type
* Implement custom field support
* Implement variant type
* Implement shadow stack for dynamic len
* libringbuffer: implement event too big API
* Implement structure, compound array/sequence types
* Fix: integer endianness metadata generation
* Fix: endianness of integers received by filter
* Fix: writeback probe on RHEL >= 3.10.0-327.10.1
* Fix: RHEL kernel 3.10.0-327.13.1 compat
* Fix: ctf_user_integer should not trigger page fault
* Fix: lib_ring_buffer_copy_from_user_inatomic error handling
* Add comment describing ioctl number duplication
* Fix: remove unused gfpflags.h from btrfs and compaction instrumentation
* Fix: Remove dead code from filter interpreter
* Fix: x86 kvm mmutrace instrumentation for kernel < 3.6
* Fix: mm_vmscan instrumentation: remove unused gfpflags.h include
* Fix: use of uninitialized ret value in lttng_abi_create_event
* Fix: kmem instrumentation: remove unused gfpflags.h include
* Fix: 4.6 kernel: use in_compat_syscall
* Fix: use BUG_ON instead of accessing array subscript above array bounds
* Fix: Add granularity to RHEL kernel version checks
2016-03-18 (Awkward Moments Day) LTTng modules 2.8.0-rc1
* Bump minor tracer ABI version
* Fix: build against out-of-tree kernel build
* probes/Kbuild: remove upper level header path
* Move leftover relative include paths to system paths
* syscall instrumentation: use system headers
* tracepoint event instrumentation: use system headers
* Use system include path in wrappers
* libs: use system include paths
* Use system header paths in core implementation files
* Use system include paths in root directory headers
* Use system include paths in probes
* Update gitignore
* Use system include paths in lttng-types.h
* Use system include paths in lttng-tracepoint-event-impl.h
* Use system include path in probes/define_trace.h
* Use system include paths in probes/lttng-tracepoint-event-impl.h
* Rename probes/lttng-events.h to probes/lttng-tracepoint-event-impl.h
* Add makefile directory to include path
* Fix: event ctx get size should be after chan ctx
* Fix: filter interpreter with userspace strings
* Fix: rename kvm x86 TRACE_SYSTEM to avoid name clash
* Fix: format address fields as hexadecimal
* PowerPC-64 ABIv1: add build error if KALLSYMS_ALL is missing
* Fix: system call instrumentation overrides
* Fix: page_alloc wrapper incorrect parenthesis
* Fix: system call tracing for arm-64 compat !CONFIG_UID16
* Fix: add struct user_msghdr forward declaration for older kernels
* Cleanup: Remove unused lttng-types module
* Fix: add missing versions and init call for page_alloc wrapper
* Fix: Define lttng-tracer metadata only once
* Fix: Add CONFIG_LTTNG to modules_install target
* Fix: Use kbuild env instead of a custom var KERNELDIR
* Update clock offset comment
* clock offset: print negative value in metadata
* Fix: handle negative clock offset
* Fix: sched instrumentation for 4.1-rt11
* Add RT patch version macros
* Expect filter context identifiers starting with $ctx.
* ARM64: wire up compat system calls
* Add support for arm64 syscalls
* Fix: Ubuntu kernel range for block_rq_complete
* Fix: Ubuntu kernel range for mm_page_alloc_extfrag
* Fix: update vmscan instrumentation for kernel 4.5
* Fix: check reference counts for overflow
* Fix: RHEL 7.2 scsi instrumentation
* Fix: RHEL 7.2 kvm instrumentation
* Kconfig: describe both module and in-kernel compilation options
* Add comments and indentation to Makefile
* Add support for built-in kernel build
* Rename sub makefiles to Kbuild
* Cleanup sub makefiles
* Make goals configurable with CONFIG_LTTNG
* Fix: Use generic raw_irqs_disabled_flags
* Fix: Use MAX_RT_PRIO offset in sched_wakeup_template
* Fix: update sched instrumentation for kernel 4.4.0
* Bump version number for development branch
* Fix: interruptible context: reversed logic
* Contexts for RT debugging
* Fix: instrumentation: v4lv2 missing include
* Fix: header size larger than 256 bytes
* Instrument x86 page faults
* Fix: irq_vectors TRACE_SYSTEM name
* Instrument x86_irq_vectors
* Fix: tracepoint listing misses last loaded probe
* Fix: lttng trace-clock needs to disable preemption
* Tracepoint event: add "TP_code_post()"
* Implement array and sequence bitfields
* Fix: kmem: add mm.h include
* Add page frame number (pfn) to kmem page events
* Use pfn rather than struct page in ring buffer array
* Implement clock plugin support
* Command to regenerate the metadata of a session
* Fix: writeback instrumentation update for 4.3 Linux kernel
* Fix: update sched wakeup instrumentation for 4.3 kernel
* Fix: lttng-test build failure for kernels < 3.0
* Use 3.18 syscall instrumentation for MIPS32
* Update the MIPS32 syscall instrumentation to 3.18
* Fix: Move pipe override to the arch specific pointers_override.h
* Implement lttng test module
* Cleanup: remove logically dead code
* Fix: filter validator use after free
* Fix: use after free in channel release
* Fix: non-enabler events should be disabled by default
* Fix: build failure on 2.6.36
* Cleanup: split bdi_dirty_ratelimit with ifdef into separate macros
* Fix: writeback instrumentation for 4.2 kernels
* Fix: mm_page_alloc_extfrag instrumentation for kernel 3.18.10
* Add stream instance id to the packet header
* Add a packet sequence number
* Fix: kmem probe with Ubuntu 3.13 kernels
* Fix: disable kvm probe if lapic.h isn't found
* Fix: timer instrumentation for 4.2 kernels
* Fix: ext4 instrumentation for 4.2 kernels
* Fix: kvm instrumentation for 4.2 kernels
* Fix: allow LTTng to be built within kernel tree
2015-07-15 (Pet Fire Safety Day) LTTng modules 2.7.0-rc1
* Fix: Building the event list fails on fragmented memory
* Fix: use after free on metadata cache reallocation
* Fix: version checks for kernel 4.0
* Fix: Incorrect Ubuntu kernel patchlevel
* Fix: cpu-id context should use int type
* Implement cpu-id context
* Implement cpu_id context for filtering
* Fix: context printk mismatch on error
* Cleanup: misleading comment about deferrable timer
* Fix: arm-32 build
* Fix: Update kmem event for Ubuntu's 3.16 kernel
* Fix: RHEL 7.1 block instrumentation
* Fix: add RHEL version macros
* Fix: add missing parenthesis in ubuntu version check
* Fix: remove regmap instrumentation for kernels < 4.1
* Fix: Update kmem event for recent Ubuntu kernel
* Fix: missing statedump end event when block device listing available
* Fix: don't generate incorrect macros for debian/ubuntu version check
* Revert "Fix: build against Ubuntu kernels"
* Fix: build against Ubuntu kernels
* Add namespace info in sched_fork and statedump
* Fix: ext4 instrumentation: flags parameter did not exist prior to 3.11
* Fix: printk instrumentation: remove "condition" tracepoints
* Fix: regmap build against kernel 4.0 kernel headers
* Add mmu_valid_gen field to mmutrace events
* Fix: add missing x86 mmutrace kernel header include
* Fix: x86 mmutrace event extra field for kernels >= 3.11
* Fix: remove execute flag from kvm.h file
* Fix: build x86 kvm probes on kernels >= 4.1-rc1
* Fix: compilation on 4.1-rc1 kernel, remove unused WB_WORK_REASON
* Fix: 4.1-rc1 Linux build and regmap instrumentation
* Fix: don't clash with older Debian kernel versions
* Fix: update get_pfnblock_flags_mask wrapper for debian kernels
* Fix: discover Debian API
* Fix: Update README.md to match reality: kernels >= 2.6.36 are supported
* Fix: atomic.h wrapper for kernels < 2.6.37
* Fix: disable x86 kvm instrumentation for kernels < 2.6.38
* Fix: add missing types.h include for older kernels
* Fix: add hlist lttng wrappers
* Fix: add struct file_handle forward declaration
* Fix: string length calculation reversed user vs kernel args
* Fix: use lttng_rcu_dereference within lttng-syscalls.c
* Fix: add lttng rcu wrapper to allow tracing RCU
* Fix: double-unlock of session mutex
* Fix: check that class and instance prototype match
* Fix: lttng-events.h check function takes void
* Fix: regmap instrumentation for Linux 3.19.4 and 4.0
* Fix: kernels >= 2.6.33 put utsrelease.h in generated/
* Fix: Include utsrelease.h in lttng-kernel-version.h
* Fix: ext4 ext4_da_write_pages instrumentation for kernels < 3.11.0
* Fix: old kernels need module.h included before vermagic.h
* Fix: net instrumentation for kernels 2.6.39 and below
* Fix: version condition in makefile
* Implement wrapper around get_pfnblock_flags_mask
* Be more restrictive in provider name check
* Fix: net instrumentation namespacing
* Fix: compaction instrumentation namespacing
* Fix: Support 4.x kernel versions in Makefile
* Fix: remove stale TP_STRUCT_entry from kvm instrumentation
* Fix: add missing module.h include to lttng-probe-user.c
* Fix: use lttng hlist wrapper in wildcard and filter
* Fix: namespace asoc and kmem instrumentation
* Fix: update instrumentation after wildcard rebase
* Fix: lttng_abi_syscall_list does not need to be exported
* Migrate ARM, powerpc, MIPS syscall instrumentation to TP_FIELDS
* Remove now unused syscalls.h from lttng-modules
* Filter: start with enabler "disabled"
* Fix coverity warning about sizeof(void **) != sizeof(void *)
* Fix length type and text sequence base
* Fix: TP_FIELDS: add missing headers
* Migrate syscall instrumentation to TP_FIELDS
* Migrate tracepoint instrumentation to TP_FIELDS
* Implement filtering infrastructure
* syscall wildcards: apply syscall filtering
* Implement syscall wildcard support
* Implement tracepoint wildcard support
* Namespace all tracepoints
* Implement list.h wrapper for hlist in older kernels
* Implement listing of pid tracker content
* Implement PID tracking
* Fix: mm_page_alloc_extfrag instrumentation for kernel 3.14.36
* Fix: update writeback instrumentation for kernel 4.0+
* Fix: compaction mm_compaction_isolate_template update for Linux 4.0+
* Fix: kmem instrumentation update for mm_page_alloc_extfrag kernel 3.19.2+
* Fix: kmem instrumentation: mm_page_alloc extfrag change_ownership field
* Fix: missing parenthesis in offset_align_floor
* Fix: implement time.h wrapper for FD_ISSET
* Fix: update sched instrumentation for 3.19+ kernels
* Fix: update rcu instrumentation for 3.19+ kernels
* Fix: update scsi instrumentation for 3.19+ kernels
* Fix: update module instrumentation for 3.19+ kernels
* Fix: Add f_dentry wrapper for 3.19+ kernels
* Fix: introduce lttng_get_unused_fd() wrapper for 3.19 kernels
* Fix: lttng_this_cpu_ptr wrapper for kernel 3.19+
* Fix: Update btrfs instrumentation for 3.18 Linux kernel
* Fix compile error on kernel 3.0.101 with CONFIG_PERF_EVENTS
* Conditional compilation introduced by lttng-modules commit
* Fix: compaction instrumentation update for 3.14.x stable kernels
* Fix: context alignment not properly handled
* Fix compilation on Linux kernel >= 3.18.0
* Fix: build for architectures without HAVE_SYSCALL_TRACEPOINTS
2014-10-20 LTTng modules 2.6.0-rc1
* Expose lttng-modules ABI version ioctl
* Fix: syscall list ioctl number conflict
* lttng-modules: fix build for non-x86
* Fix: syscall listing of session
* Print build warning when writeback probe is disabled
* Add atomic.h wrapper for before/after atomic
* Fix compilation on Ubuntu 14.10
* Fix: export name as text array in writeback
* Cleanup: remove unused trace_clock_read32()
* Use 3.17 ktime_get_mono_fast_ns() new API
* Check for stale version.h files
* Fix: compile lttng_statedump_process_ns on Ubuntu
* Reverse version check logic in lttng_statedump_process_ns
* Fix block_rq_complete TP on Ubuntu kernel
* Introduce macros to check Ubuntu kernel version
* Sync writeback tracepoints from mainline
* Fix: redefinition of DEFINE_WRITEBACK_EVENT
* Fix: hander negative get_syscall_nr return value
* Fix: statedump: close_on_exec flag backward compat
* Fix instrumentation of vmscan for older kernels
* Fix: older kernels (3.2.x) don't undefine TRACE_SYSTEM
* Fix: syscall listing: handle "enable all syscall"
* Fix: don't allow disabling syscalls when none are enabled
* Fix: syscall: fail disable all if all already disabled
* Fix: syscall filtering: NULL pointer deref
* Cleanup: list syscall without syscall_entry prefix
* Fix: syscall_list_show NULL pointer deref
* implement syscall mask getter
* Cleanup: lttng-abi.h coding style
* syscall listing: show syscall ID
* Allow events with same name to be enabled for each channel
* ABI: use enable a syscall ABI field name
* Implement syscall listing
* Fix: tracepoint list anonymous file name
* Fix: syscall filtering: disable all syscalls
* syscall tracing: input/output parameter handling for all arch
* lttng-get-syscall-inout.sh depends on bash
* Fix generate syscall header script: add missing escape char
* syscall instrumentation: handle copy_from_user return value
* Rename LTTng syscall instrumentation macros
* Rename LTTng instrumentation macros
* Extract input/output arguments from accept and connect syscalls
* syscall: extract pipe and pipe2 output args
* Remove sys_ prefix from syscall names
* System call inout/output arg processing
* Update syscall inout table
* Add syscall inout table
* Extract syscall exit ret value on x86 32/64
* Extract system call exit return value
* Syscall filtering: apply to syscall exit
* System call filtering
* asoc.h: fix build with v3.17 kernel
* Fix: lttng-modules teardown NULL pointer OOPS
* Fix: handle concurrent flush vs get_next_subbuf on metadata cache
* Modernize README using Markdown
* Fix: OOT lttng_logger tracepoint not visible with signed kernels
* Add cscope to gitignore
* Update kvm instrumentation: compile on 3.17-rc1
* Update statedump to 3.17 nsproxy locking
* Fix: noargs probes should calculate alignment and event length
* Update compaction instrumentation to 3.16 kernel
* Update vmscan instrumentation to 3.16 kernel
2014-07-16 (Take Your Poet to Work Day) LTTng modules 2.5.0
* (no change)
2014-06-27 LTTng modules 2.5.0-rc2
* Fix: statedump: check whether "files" is NULL, RCU semantic fix
* Fix: statedump handle oom case, handle errors
* Fix: correct typo in kernel version number
* Fix: blktrace instrumentation for backported branches
* Fix: statedump block devices OOPS
2014-05-28 (International Hamburger Day) LTTng modules 2.5.0-rc1
* Add TID field to some block_* events
* Fix: refuse overwrite mode buffers with less than two subbuffers
* Fix: lttng modules system call generation script
* Dump FD flags and mode on state dump
* Fix: incorrect rwbs field type in block_bio_queue
* Fix: blktrace instrumentation for v3.2.58+ stable branch
* Fix: pass proper args when writing commit counter
* Cleanup: lib ringbuffer: pagecpy has unsigned semantic
* Fix: allow racy tracepoint string input from kernel and userspace
* Statedump event for block devices
* Fix: update v4l2 instrumentation to 3.15 kernel
* Fix: ext4 update instrumentation to 3.15 kernel
* Fix: update block instrumentation to 3.15 kernel
* Fix: module instrumentation: update to 3.15 kernel
* Adapt to 3.15 tracepoint API
* Kernel 3.15 don't define map unmap for pipe
* Fix: add missing module version in v4l2 probe
* Add V4L2 instrumentation
* Fix: rcu instrumentation: add const qualifier to char pointers
* Fix: add missing module version information
* Use kernel 3.13 syscall tables for MIPS32
* Add MIPS32 syscalls extracted from a 3.13 kernel
* Fix: block instrumentation: < 3.14 don't have bi_iter
* Fix: update btrfs instrumentation to kernel 3.14
* Fix: update block layer instrumentation to kernel 3.14
* Fix: remove __exit annotation
* Fix file permissions for lttng-statedump-impl.c
* LTTng logger ABI
2014-02-28 (Public Sleeping Day) LTTng modules 2.4.0
* Fix: load state dump even if work-around lookup fails
* Cleanup: fix comment
* Fix: correctly version kvm events to build against v3.0 kernel
* Add extraversion (e.g. -rc4) to lttng-tracer modinfo
2014-02-14 LTTng modules 2.4.0-rc4
* Fix: use after free in ring buffer clients
* Fix: Add statedump exit so module is not permanent
* Cleanup: move callback init to static initialization
* Fix: OOT lttng-statedump tracepoints not visible with signed kernels
2014-01-29 LTTng modules 2.4.0-rc3
* Fix: tracepoint event name mapping at unregister
* Fix: tracepoint name remapping
* Fix: enable event error path memory corruption
* Update kvm instrumentation to Linux 3.13
* Update sched instrumentation to Linux 3.13
* Fix: provide more precise error report for enable event
* Fix: quote event name in metadata
* Add version info to lttng-tracer.ko modinfo
2013-12-10 LTTng modules 2.4.0-rc2
* Fix: client_packet_header() uses wrong packet
* Cleanup: fix typo in ring buffer backend comment
* Fix: handle unknown event type parameter
* Fix: eliminate timestamp overlap between packets
* gcc blacklist: only apply when building with gcc
* Blacklist ARM gcc 4.8.0, 4.8.1, 4.8.2
2013-11-15 LTTng modules 2.4.0-rc1
* Update ext4 instrumentation to Linux 3.12
* Update RCU instrumentation to Linux 3.12
* Update btrfs instrumentation to 3.12 kernel
* Update vmscan instrumentation to Linux 3.12
* update: kmem instrumentation 3.12 kernel support
* lttng-statedump-impl: Use generic hard irqs for Linux >= 3.12
* lttng-statedump-impl: Fix lttng_list_interrupts for empty implementation
* Import fix from LTSI: 3.4+ RT kernels use CONFIG_PREEMPT_RT_FULL
* Add new tracepoint in KVM
* Blacklist kernels 3.10.13 and 3.11.2
* LTTng trace-clock: shrink kernel blacklist
* Metadata flush writes data from the cache
* Per-stream ioctl to get the current timestamp
* LTTng ringbuffer ABI calls for index generation
* Prepare LTTng override of ring buffer fops
* Blacklist Linux kernels 3.10+
2013-09-03 LTTng modules 2.3.0
* Fix: metadata stream should not reference session
* Fix: btrfs: support 3.11 Linux kernel
* statedump: remove KERN_DEBUG messages
* Fix: ext4: add missing tracepoints for 3.11 kernel
* Fix: ext4: Linux 3.11 support
* Fix: ext3: 3.11 Linux support
* Fix: statedump nsproxy 3.11 Linux support
2013-08-30 LTTng modules 2.3.0-rc2
* Fix: metadata lttng channel refcount
* README: lttng-modules incompatible with lttng 0.x patchset
2013-07-17 LTTng modules 2.3.0-rc1
* Fix: kvm x86 probes side-effect
* Fix: allow get/put subbuf in loop for metadata stream
* Add support for kvm x86 specific tracepoints
* Add mainline headers for kvm x86 tracepoints
* Remove old 3.0.4 x86-64 extracted syscall info
* Point the x86-64 overrides to newly extracted 3.10-rc7 files
* Add syscalls extracted files from a 3.10-rc7 kernel
* Improve documentation of the syscall extractor script
* Fix: double length of __dynamic_len array
* Fix printk instrumentation
* Introduce __dynamic_array_enc_ext_2() and tp_memcpy_dyn_2()
* Fix: ring buffer: get_subbuf() checks should be performed on "consumed" parameter
* Fix: SWITCH_FLUSH new sub-buffer checks
* Fix: ring buffer: handle concurrent update in nested buffer wrap around check
* Cleanup: lib_ring_buffer_switch_new_end() only calls subbuffer_set_data_size()
* Revert "Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()"
* Fix: handle writes of length 0
* Fix: ring buffer: RING_BUFFER_FLUSH ioctl buffer corruption
* Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()
* print warning and return -EBUSY on double get_subbuf()
* Add header to fix compilation of syscalls-extractor on 3.9 kernel
* Fix: don't do 0 byte event reservation
* Document that payload size need to be greater than 0
* Fix build and load against linux-2.6.33.x
* Fix: add missing CONFIG_COMPAT around lib_ring_buffer_compat_ioctl
* Metadata cache and multiple metadata channels
* fix block instrumentation probe signature mismatch for 3.9.x kernels
* fix: block instrumentation: NULL pointer dereference
* Update rcu instrumentation to 3.9.[0-4]
* Fix CPU hotplug section mismatches
* Add system calls definitions for powerpc-32
* Remove bashism in lttng-syscalls-generate-headers.sh
* Update ARM (32 bit) syscall tracepoints to 3.4
2013-05-09 LTTng modules 2.2.0-rc2
* Remove useless lttng_metadata probe
* Fix: warning kvm_trace_exit_reason redefined for 3.9 kernel
* Fix: 3.9.0 block layer instrumentation build
* Revert "Stop build if CONFIG_TRACEPOINTS is not set"
* Stop build if CONFIG_TRACEPOINTS is not set
* Add comments to endifs.
* Fix: remove ARM set_tls system call override
* Cleanup: arm sys_mmap whitespace
* Clean up using global_dirty_limit wrapper for writeback probe
2013-03-29 LTTng modules 2.2.0-rc1
* Update README
* Fix: vmscan instrumentation build
* writeback instrumentation: remove duplicated structures
* block: update instrumentation to 3.9 rc kernel
* rcu: update to 3.9 rc kernel instrumentation
* workqueue instrumentation: remove duplicated structures
* Rename odd event names
* Introduce API to remap event names exposed by LTTng
* lttng-module: sched.h: Fix compilation on 3.9 kernel
* Fix Linux 3.8 btrfs probe warning
* Fix Linux 3.8 ext4 probe support
* Fix 3.8 kernel support: namespace lttng_is_signed_type()
* Fix: don't flush-final for offset 0 if reader is on sub-buffer
* instrumentation sched: add missing fork pid info
* Fix check in lttng_strlen_user_inatomic
* instrumentation: sync with Linux commit a1ce392
* Fix: statedump: missing locking, use lttng_iterate_fd
* Implement lttng_iterate_fd wrapper
* Instrumentation cleanup: kmem events should print hex pointers
* Fix compilation of ext4 and btrfs tracepoints on 2.6.40 kernels
* Fix: statedump hang/too early completion due to logic error
* Fix: statedump hang due to incorrect wait/wakeup use
* put_ulong calls in lib_ring_buffer_compat_ioctl() should be compat
* wrapper/perf.h: Fix kernel version condition
* Add new kernel probes instrumentation
* Update kernel probes to more detailed match to kernel versions
* Fix possible kernel build errors with linux-patches
* Add missing MIT license text to 3 files under this license
* Update sites using kernel version checking macro to new range
* Make upper bound of kernel version checking macro exclusive
* sock instrumentation: fix fields to get referenced values
* ext3 instrumentation: fix of assignment code conversion
* sched instrumentation: rename "pid" fields in sched_process_exec
* Remove remaining semicolons in TP_fast_assign blocks
* Fix compilation for 3.0 kernels that are named 2.6.40
* Fix compilation for 3.0 branch (>= 3.0.39)
* Add kernel version checking macro
* Remove semicolons in TP_fast_assign blocks
* Add ifdefs to net probe to support Linux 2.6.39
* Add kernel probes for supplementary subsystems
* Check if interrupt action name is not null in statedump
* Fix exec instrumentation: only for kernels 3.4.0 and higher
* Add TRACE_EVENT(sched_process_exec) to sched.h
* lib/ringbuffer/frontend_api.h: Include linux/prefetch.h.
* Fix warning with 3.6.0 kernel
* ABI with support for compat 32/64 bits
* Perform calculation on bit size in 64-bit
* Use uint64_t for packet header content size and packet size
* Fix: compat layer only on supported architectures
* Fix ring buffer 32/64 bits compat
* Fix cleanup: move lttng-tracer-core.h include to lib ringbuffer config.h
* Fix ring_buffer_frontend.c: missing include lttng-tracer-core.h
* Fix: statedump missing check for NULL namespace
2012-09-10 LTTng modules 2.1.0-rc1
* fix timestamps on architectures without CONFIG_KTIME_SCALAR
* Support for linux kernels 2.6.32 through 2.6.37
* Document limitation of vppid and ppid context wrt eventual RCU instrumentation
* Cleanup: no need to hold RCU read-side lock when reading current nsproxy
* Add env hostname information
* Fix: lttng_statedump_process_state for each PID NS has infinite loop
* lttng_statedump_process_state for each PID NS
* Support the hostname context
* Fix: statedump namespaced pid, tid and ppid
* Fix: statedump: disable vm maps enumeration
* Fix: ensure userspace accesses are done with _inatomic
* Fix: vppid context should test for current nsproxy
* Add MIPS system call support
* Change mode of lttng-syscalls-generate-headers.sh to 755
* cleanup: fix typo in syscall instrumentation header
* Cleanup: remove trailing whitespace in README
* trace event: introduce TP_MODULE_NOAUTOLOAD and TP_MODULE_NOINIT
* LTTng: probe-statedump: add #include <linux/sched.h>
* fix: signal_generate event should print utf8 for comm field
* Makes write operation a parameter for tp_memcpy macro
* Add coding style document
* Update instrumentation/events README file
* Add makefile target for preprocessor
* Fix: free_event_id check should compare unsigned int with -1U
* Use unsigned long type for events discarded counter
* Fix: update signal instrumentation for 3.4 kernel
* LTTng Modules ARM syscall instrumentation
* Fix: generate header missing echo -e for escape chars
* Fix: add missing uaccess.h include (for ARM)
* README: Document that CONFIG_MODULES is required
* Fix: README typo
* Fix: document required and optional kernel config options in README
2012-03-29 LTTng modules 2.0.1
* Fix: is_compat_task !CONFIG_COMPAT compile error on kernels >= 3.3
2012-03-20 LTTng modules 2.0.0
* First STABLE version
* Add version name
2012-03-20 LTTng modules 2.0.0-rc4
* Update README and add version name place-holder
2012-03-16 LTTng modules 2.0.0-rc3
* Fix clock offset 32-bit multiplication overflow
* Fix : wrong assign of fd in state dump
* License cleanup, ifdef namespace cleanup
* Fix: ensure power of 2 check handles 64-bit size_t entirely
2012-03-02 LTTng modules 2.0.0-rc2
* Fix: dmesg printout should not print metadata warnings
* Fix: use transport name as channel name
* Fix: Return -EINVAL instead of print warning if non power of 2 size/num_subbuf
2012-02-20 LTTng modules 2.0.0-rc1
* Standardize version across toolchain
* statedump: Use old macro name for kernel 2.6.38
2012-02-16 LTTng modules 2.0-pre15
* Add timer instrumentation
* fix: need to undef mainline define
* fix: Include signal.h instead of irq.h for prototype match check
* Add signal instrumentation
2012-02-16 LTTng modules 2.0-pre14
* syscall tracing: sys_getcpu
* Add sys_clone x86 instrumentation
* statedump: fix include circular dep
* Implement state dump
2012-02-09 LTTng modules 2.0-pre13
* Update README
* environment: write sysname, release, version, domain to metadata
* Allow open /proc/lttng for read & write
2012-02-02 LTTng modules 2.0-pre12
* Add x86 32/64 execve syscall instrumentation override
* Remove unused defines
* Add padding to ABI
* Use LTTNG_KERNEL_SYM_NAME_LEN
* Update version to 1.9.9
* Add missing double-quotes to clock uuid
* clock: read bootid as clock monotonic ID
* Fix comment
* Cleanup comment
* clock: output clock description in metadata
* Properly fix the timekeeping overflow detection
* Fix init bug
* rename lib-ring-buffer to lttng-lib-ring-buffer
* Remove #warning
* Mass rename: ltt_*/ltt-* to LTTNG_*/LTTNG-*
* Update TODO
* Update TODO
* Remove debugfs file (keep only proc file)
* Rename lttng-debugfs-abi files to lttng-abi
2011-12-13 LTTng modules 2.0-pre11
* Fix OOPS caused by reference of config pointer
* Gather detailed info from x86 64 32-bit compat syscall instrumentation
* lttng lib: ring buffer move null pointer check to open
* lttng lib: ring buffer remove duplicate null pointer
* lttng lib: ring buffer: remove stale null-pointer
* lttng wrapper: add missing include to kallsyms wrapper
* lttng: cleanup one-bit signed bitfields
* Add TODO file
* Update symbol name length max size to 256
* Fix last modifications to string_from_user operations
* Document that depmod needs to be executed by hand
* Fix strlen_user fault space reservation
* Fix tp_copy_string_from_user handling of faults
* Disable block layer tracing support for kernels < 2.6.38
* lttng context: perf counter, fix 32-bit vs 64-bit field size bug
* Update trace clock warning to match the current development plan
* ringbuffer: make ring buffer printk less verbose
* Makefile: do not run depmod manually
2011-09-30 LTTng modules 2.0-pre10
* x86-32: override sys_mmap syscall instrumentation
* Fix cast warning
2011-09-29 LTTng modules 2.0-pre9
* x86 32 syscalls: fix !CONFIG_UID16
* Use __string_from_user
* Add __string_from_user
* Rename "comm" context to "procname"
* Fetch "type" name field for mount syscall
* Create common override file for all architectures
* Shrink stack size usage
* Cleanup: remove unused lttng-compat-syscalls.c file
* Support detailed compat syscalls on x86_64
* Fix syscall table
* Add disabled compat syscalls detail (work in progress)
* Add config compat support for detailed x86_32 syscalls
* Handle newer 3.1+ perf API
* Add dummy x86-32 override headers
* Bind x86-32 syscall headers
* Add x86-32 syscall headers
* Add check for KALLSYMS_ALL in syscall extraction script
* Automate string extraction for syscalls
* Automate syscall filename/pathname extraction
* Add exit to ring_buffer_frontend so module is unloadable
* Add sys_open filename (x86_64)
* Add missing memcpy callback
* copy_from_user and memset
* Add missing alignment after header write
* lib ring buffer: add frontend init as module_init
* lib ring buffer frontend: add missing lock initialization
* ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address (missing file)
* ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address
* Create override for sys_mmap
* Rename syscalls -> syscall in LTTng ABI
* Use different event name for compat syscalls
* Allow trace syscall table override
* Add dummy override files
* syscall detail: add override capability
* Add pointer pretty-print heuristics
* Add __field_hex
* Rename sys exit errno into ret
* Enable detailed syscalls only for native x86_64
* Use "unknown" for compat syscalls
* Disable x86-64 specific detailed syscalls for now, until we deal with 32-bit compat
* Fix syscall exit
* Fix sys exit
* Only enable detailed syscalls for x86_64 for now
* Merge unknown syscall method with extended detail method
* Add underscore prefix before event names
* Add syscalls pointers detailed syscall tracing
* Use perl for regexp
* Support generation of syscall probes for those with pointers
* Support detailed syscalls with 0 arguments
* detailed syscall tracing (work in progress)
* Expose /proc/lttng file
* Implement detailed syscall event probe
* Disable perf build for < 2.6.33 kernels
* Syscall detail mode: generate syscall table
* block instrumentation: write cmd as hex sequence
* lttng-events TRACE_EVENT generator cleanup
* block layer instrumentation: fix cmd field
* Remove 0 args syscalls for now from type-aware syscall cb generator
* Generate trace syscall table macros
* Put syscall tracing without arg types back in place
* Detailed system call tracing (TRACE_EVENT() generation for integer support)
* lttng events probes: don't clash with "ctx" variable name
* lib ring buffer must take private pointer copy before decrementing refcount
2011-08-16 LTTng modules 2.0-pre8
* Fix metadata buffer wait/wakeup
2011-08-12 LTTng modules 2.0-pre7
* Add missing module refcount to lttng_tracepoint_list_fops
* Add license info about lib/ringbuffer/ring_buffer_mmap.c being GPLv2