Version 2.9.10
[lttng-modules.git] / ChangeLog
CommitLineData
73ee0079
MD
12018-08-09 (National Book Lovers Day) LTTng modules 2.9.10
2 * Fix: adjust SLE version ranges to build with SP2 and SP3
3 * Fix: Allow alphanumeric characters in SLE version
4 * Fix: Adjust range for SuSE 4.4.103-92 kernels
5 * Add extra version information framework
6 * Fix: btrfs: Remove unnecessary fs_info parameter
7 * Fix: asoc: Remove snd_soc_cache_sync() implementation
8 * Fix: asoc: fix printing jack name
9 * Fix: asoc: Consolidate path trace events
10 * Fix: ASoC level IO tracing removed upstream
11 * Fix: dyntick field added to trace_rcu_dyntick in v4.16
12 * Fix: BUILD_BUG_ON with compile time constant on < v2.6.38
13 * Fix: pid tracker should track "pgid" for noargs probes
14
50f48712
MD
152018-05-09 (Lost Sock Memorial Day) LTTng modules 2.9.9
16 * Fix: update RCU instrumentation for 4.17
17 * Fix: sunrpc instrumentation for 4.17
18 * Fix: use struct reclaim_stat in mm_vmscan_lru_shrink_inactive for 4.17
19 * Fix: Add gfp_flags arg to mm_vmscan_kswapd_wake for 4.17
20 * Update: kvm instrumentation for ubuntu 4.13.0-38
21 * Fix: update kvm instrumentation for Ubuntu 3.13.0-144
22 * Fix: btrfs instrumentation namespacing
23 * Cleanup: comment about CONFIG_HOTPLUG_CPU ifdef
24 * Fix: do not use CONFIG_HOTPLUG_CPU for the new hotplug API
25 * Fix: update kvm instrumentation for 4.1.50+
26 * Use the memory pool instead of kmalloc
27 * Create a memory pool for temporary tracepoint probes storage
28 * Fix: use proper pid_ns in the process statedump
29 * Fix: add variable quoting to shell scripts
30 * Update: kvm instrumentation for fedora 4.14.13-300
31 * Fix: Add Fedora version macros
32 * Fix: update btrfs instrumentation for SuSE 4.4.114-92
33 * Fix: update block instrumentation for SuSE 4.4.114-92
34 * Fix: update rcu instrumentation for v4.16
35 * Fix: update vmscan instrumentation for v4.16
36 * Fix: update timer instrumentation on 4.16 and 4.14-rt
37 * Update kvm instrumentation for debian kernel 4.14.0-3
38
3f31aeac
MD
392018-01-30 (National Croissant Day) LTTng modules 2.9.8
40 * Fix: network instrumentation protocol enum
41 * Fix: update btrfs instrumentation for SuSE 4.4.103-6
42 * Fix: update block instrumentation for SuSE 4.4.73-5
43 * Fix: global_dirty_limit for kernel v4.2 and up
44 * Fix: network instrumentation handling of corrupted TCP headers
45 * Fix: add missing uaccess.h include from kstrtox.h wrapper
46 * Update: kvm instrumentation for 4.14.14+, 4.9.77+, 4.4.112+
47 * Fix: btrfs_delayed_ref_head was unwired since v3.12
48 * Update kvm instrumentation for debian kernel 4.9.65-3
49 * Fix: debian kernel version parsing
50 * Fix: block instrumentation 4.14+ NULL pointer dereference
51 * Update: kvm instrumentation for 3.16.52 and 3.2.97
52 * Fix: kvm instrumentation for 4.15
53 * Update sock instrumentation for 4.15
54 * Update kvm instrumentation for 4.15
55 * Fix: ACCESS_ONCE() removed in kernel 4.15
56 * Fix: sched instrumentation on stable RT kernels
57 * timer API transition for kernel 4.15
58 * Fix: Don't nest get online cpus
59 * Fix: lttng_channel_syscall_mask() bool use in bitfield
60 * Fix: update kmem instrumentation for kernel 4.15
61
9cad83fa
MD
622017-11-08 (National Cappuccino Day) LTTng modules 2.9.7
63 * Fix: lttng_kvmalloc helper NULL pointer OOPS
64
2e8be614
MD
652017-11-03 (National Sandwich Day) LTTng modules 2.9.6
66 * Fix: lttng-logger get_user_pages_fast error handling
67
c541df89
MD
682017-10-05 LTTng modules 2.9.5
69 * Fix: update block instrumentation for 4.14 kernel
70 * Revert "Fix: update block instrumentation for kernel 4.14"
71
c09ff1b2
MD
722017-10-03 (National Techies Day) LTTng modules 2.9.4
73 * Fix: version check error in btrfs instrumentation
74 * Fix: update btrfs instrumentation for kernel 4.14
75 * Fix: update writeback instrumentation for kernel 4.14
76 * Fix: update block instrumentation for kernel 4.14
77 * Fix: vmalloc wrapper on kernel < 2.6.38
78 * Fix: vmalloc wrapper on kernel >= 4.12
79 * Add kmalloc failover to vmalloc
80 * Fix: mmap: caches aliased on virtual addresses
81 * Fix: update ext4 instrumentation for kernel 4.13
82 * Fix: Sleeping function called from invalid context
83 * Fix: sched for v4.11.5-rt1
84 * Fix: handle missing ftrace header on v4.12
85
f783d427
MD
862017-06-12 (National Peanut Butter Cookie Day) LTTng modules 2.9.3
87 * Fix: pid tracker should track "pgid"
88 * Fix: Build ftrace probe on kernels prior to 4.12
89 * Fix: update ftrace probe for kernel 4.12
90 * Fix: update block instrumentation for kernel 4.12
91 * Fix: Add support for 4.9.27-rt18 kernel
92 * Fix: update btrfs instrumentation for kernel 4.12
93 * Fix: update ringbuffer for kernel 4.12
94 * Fix: update sched instrumentation for kernel 4.12
95 * Fix: ext3 was completely removed from the kernel in v4.3
96 * Fix: NULL pointer dereference of THIS_MODULE with built-in modules
97 * Fix: add "flush empty" ioctl for stream intersection
98 * Revert "Fix: flush empty packets on snapshot channel"
99 * Revert "Fix: don't perform extra flush on metadata channel"
100 * Fix: remove CONFIG_KALLSYMS_ALL warning on clean
101
f1450965
MD
1022017-04-25 (National Zucchini Bread Day) LTTng modules 2.9.2
103 * Fix: Always build vmscan probe
104 * Fix: use of uninitialized ret value in lttng_abi_open_metadata_stream
105 * Fix: kref changes for kernel 4.11
106 * Fix: atomic_add_unless() returns true/false rather than prior value
107 * Fix: timers cputime_t arguments replaced by ull in kernel 4.11
108 * Fix: update scsi instrumentation for kernel 4.11
109 * Fix: changes to the vm_op fault cb prototype in libringbuffer
110 * Fix: update btrfs instrumentation for kernel 4.11
111 * Fix: update mm_vmscan instrumentation for kernel 4.11
112 * Fix: section mismatch warning caused by __exit annotation
113
5eade9b9
MD
1142017-02-17 (National Cabbage Day) LTTng modules 2.9.1
115 * Fix: nmi-safe clock on 32-bit systems
116 * Fix: only include linux/cpuhotplug.h for kernels >= 4.10
117 * Fix: 4.10 hotplug adaptation backward compat
118 * Adapt lttng-modules to Linux 4.10 cpu hotplug state machine
119 * Fix: 4.10 btrfs instrumentation update backward compat
120 * Update btrfs instrumentation for 4.10 kernel
121 * btrfs instrumentation: update to 4.10 kernel
122 * timer instrumentation: adapt to ktime_t without union
123 * Fix: asoc instrumentation for RHEL 7.3
124 * Fix: SCSI instrumentation for SLES12 SP2
125 * Add SUSE Linux Enterprise kernel version tests
126
14979eda
MD
1272016-11-29 (National Square Dance Day) LTTng modules 2.9.0
128 * Performance: add missing unlikely in reserve
129 * Fix: preemptible and migratable context error handling
130
a5de5832
MD
1312016-10-13 (International Day for Failure) LTTng modules 2.9.0-rc2
132 * Fix: bump stable kernel version ranges for clock work-around
133
f8af63a2
MD
1342016-10-07 (National Frappé Day) LTTng modules 2.9.0-rc1
135 * Fix: i2c: support kernels < 3.15
136 * Fix: show warning for broken clock work-around
137 * Bump minor ABI version
138 * Fix: work-around upstream Linux timekeeping bug
139 * Add support for i2c tracepoints
140 * Cleanup: makefile version checks with single "ge"
141 * Performance: special-case NULL in lttng_strlen_user_inatomic
142 * Fix: lttng_inline_memcpy does not take a __user argument
143 * Performance: implement lttng_inline_memcpy
144 * Performance: cache the backend pages pointer in context
145 * Cleanup: libringbuffer: remove duplicate pointer chasing in slow paths
146 * Performance: Only dereference commit index once
147 * Performance: Mark channel and buffer event disabled check unlikely
148 * Performance: Relax atomicity constraints for crash handling
149 * Performance: mark ring buffer do_copy callers always inline
150 * Performance: mark lib_ring_buffer_write always inline
151 * Kconfig: select TRACEPOINTS when built-in
152 * Performance: disable event counting by default
153 * Fix: handle large number of pages or subbuffers per buffer
154 * Fix: unregister cpu hotplug notifier on buffer alloc error
155 * Fix: sa_family is of type unsigned short
156 * Fix: check for sizeof sa_family to save sa_family in accept and connect
157 * Fix: use printk_once() for wrapper warning messages
158 * Fix: btrfs instrumentation for 4.8 kernel
159 * Fix: update mm_vmscan instrumentation for kernel 4.8
160 * Fix: napi instrumentation for 4.8 kernels
161 * Fix: update block instrumentation to compile on 4.8 kernels
162 * Cleanup: reuse code in accept() and accept4() instrumentation
163 * Add x86-64 override for accept4 syscall
164 * Fix: timer wrapper: support kernels >= 4.8
165 * Performance: split check deliver fast/slow paths
166 * Fix: x86-64 accept instrumentation
167 * Fix: Add support for 4.6.4-rt8 kernel
168 * Fix: update scsi instrumentation for 4.7+ kernels
169 * Fix: Use fs_initcall instead of rootfs_initcall
170 * Fix: Add kernel configuration for lttng clock plugin
171 * Fix: the clock plugin must be initiated before first use of the clock
172 * Fix: tests/Kbuild for older kernels
173 * Cleanup: __dynamic_len_idx set but not used warning
174 * Cleanup: coding style and comments of net.h
175 * net: Add TCP header data to net_* tracepoints
176 * net: Add IPv4/IPv6 header data to net_* tracepoints
177 * Fix: endianness for the container type of enum
178 * enumeration autoincrement: use if/else logic
179 * Cleanup trailing whitespaces
180 * lttng-test probe: test ctf_enum_auto()
181 * Add ctf_enum_auto() for autoincrementing enumeration values
182 * Implement session statedump command
183 * Fix: annotate bytecode interpreter for kernel stack validator
184 * Update version to 2.9.0-pre
185 * Fix: ring buffer: honor switch parameter type in remote switch
186 * Fix: only flush non-metadata channels
187 * Fix: don't perform extra flush on metadata channel
188 * select, poll and epoll_wait overrides on ARM 32-bit
189 * Fix: flush empty packets on snapshot channel
190 * Fix: do not generate packet at destroy after stop
191 * Fix: compat ioctl for flush/get metadata version
192 * Fix: ctf_string() should handle NULL pointers
193 * Fix: portability: no arith on void pointer
194 * Fix: add missing tests/Kbuild
195 * Test clock override plugin
196 * Fix: add modules target to base Makefile
197 * Fix: make clean does not include dot-config
198 * Fix: trigger build error if CONFIG_TRACEPOINTS is not set
199 * Documentation: document that CONFIG_MODULES not required when builtin
200 * Fix: add missing errno include in random wrapper
201 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.16.35
202 * Fix: copy_from_user size when limited allocation
203 * Extract the payload of epoll_wait/epoll_pwait
204 * Extract the payload for epoll_ctl
205 * Extract the FDs and flags from poll and ppoll
206 * Extract the FD sets in select and pselect6
207 * Add ctf_integer_bitfield_type
208 * Implement enumeration type
209 * Implement custom field support
210 * Implement variant type
211 * Implement shadow stack for dynamic len
212 * libringbuffer: implement event too big API
213 * Implement structure, compound array/sequence types
214 * Fix: integer endianness metadata generation
215 * Fix: endianness of integers received by filter
216 * Fix: writeback probe on RHEL >= 3.10.0-327.10.1
217 * Fix: RHEL kernel 3.10.0-327.13.1 compat
218 * Fix: ctf_user_integer should not trigger page fault
219 * Fix: lib_ring_buffer_copy_from_user_inatomic error handling
220 * Add comment describing ioctl number duplication
221 * Fix: remove unused gfpflags.h from btrfs and compaction instrumentation
222 * Fix: Remove dead code from filter interpreter
223 * Fix: x86 kvm mmutrace instrumentation for kernel < 3.6
224 * Fix: mm_vmscan instrumentation: remove unused gfpflags.h include
225 * Fix: use of uninitialized ret value in lttng_abi_create_event
226 * Fix: kmem instrumentation: remove unused gfpflags.h include
227 * Fix: 4.6 kernel: use in_compat_syscall
228 * Fix: use BUG_ON instead of accessing array subscript above array bounds
229 * Fix: Add granularity to RHEL kernel version checks
230
0dca9206
MD
2312016-03-18 (Awkward Moments Day) LTTng modules 2.8.0-rc1
232 * Bump minor tracer ABI version
233 * Fix: build against out-of-tree kernel build
234 * probes/Kbuild: remove upper level header path
235 * Move leftover relative include paths to system paths
236 * syscall instrumentation: use system headers
237 * tracepoint event instrumentation: use system headers
238 * Use system include path in wrappers
239 * libs: use system include paths
240 * Use system header paths in core implementation files
241 * Use system include paths in root directory headers
242 * Use system include paths in probes
243 * Update gitignore
244 * Use system include paths in lttng-types.h
245 * Use system include paths in lttng-tracepoint-event-impl.h
246 * Use system include path in probes/define_trace.h
247 * Use system include paths in probes/lttng-tracepoint-event-impl.h
248 * Rename probes/lttng-events.h to probes/lttng-tracepoint-event-impl.h
249 * Add makefile directory to include path
250 * Fix: event ctx get size should be after chan ctx
251 * Fix: filter interpreter with userspace strings
252 * Fix: rename kvm x86 TRACE_SYSTEM to avoid name clash
253 * Fix: format address fields as hexadecimal
254 * PowerPC-64 ABIv1: add build error if KALLSYMS_ALL is missing
255 * Fix: system call instrumentation overrides
256 * Fix: page_alloc wrapper incorrect parenthesis
257 * Fix: system call tracing for arm-64 compat !CONFIG_UID16
258 * Fix: add struct user_msghdr forward declaration for older kernels
259 * Cleanup: Remove unused lttng-types module
260 * Fix: add missing versions and init call for page_alloc wrapper
261 * Fix: Define lttng-tracer metadata only once
262 * Fix: Add CONFIG_LTTNG to modules_install target
263 * Fix: Use kbuild env instead of a custom var KERNELDIR
264 * Update clock offset comment
265 * clock offset: print negative value in metadata
266 * Fix: handle negative clock offset
267 * Fix: sched instrumentation for 4.1-rt11
268 * Add RT patch version macros
269 * Expect filter context identifiers starting with $ctx.
270 * ARM64: wire up compat system calls
271 * Add support for arm64 syscalls
272 * Fix: Ubuntu kernel range for block_rq_complete
273 * Fix: Ubuntu kernel range for mm_page_alloc_extfrag
274 * Fix: update vmscan instrumentation for kernel 4.5
275 * Fix: check reference counts for overflow
276 * Fix: RHEL 7.2 scsi instrumentation
277 * Fix: RHEL 7.2 kvm instrumentation
278 * Kconfig: describe both module and in-kernel compilation options
279 * Add comments and indentation to Makefile
280 * Add support for built-in kernel build
281 * Rename sub makefiles to Kbuild
282 * Cleanup sub makefiles
283 * Make goals configurable with CONFIG_LTTNG
284 * Fix: Use generic raw_irqs_disabled_flags
285 * Fix: Use MAX_RT_PRIO offset in sched_wakeup_template
286 * Fix: update sched instrumentation for kernel 4.4.0
287 * Bump version number for development branch
288 * Fix: interruptible context: reversed logic
289 * Contexts for RT debugging
290 * Fix: instrumentation: v4lv2 missing include
291 * Fix: header size larger than 256 bytes
292 * Instrument x86 page faults
293 * Fix: irq_vectors TRACE_SYSTEM name
294 * Instrument x86_irq_vectors
295 * Fix: tracepoint listing misses last loaded probe
296 * Fix: lttng trace-clock needs to disable preemption
297 * Tracepoint event: add "TP_code_post()"
298 * Implement array and sequence bitfields
299 * Fix: kmem: add mm.h include
300 * Add page frame number (pfn) to kmem page events
301 * Use pfn rather than struct page in ring buffer array
302 * Implement clock plugin support
303 * Command to regenerate the metadata of a session
304 * Fix: writeback instrumentation update for 4.3 Linux kernel
305 * Fix: update sched wakeup instrumentation for 4.3 kernel
306 * Fix: lttng-test build failure for kernels < 3.0
307 * Use 3.18 syscall instrumentation for MIPS32
308 * Update the MIPS32 syscall instrumentation to 3.18
309 * Fix: Move pipe override to the arch specific pointers_override.h
310 * Implement lttng test module
311 * Cleanup: remove logically dead code
312 * Fix: filter validator use after free
313 * Fix: use after free in channel release
314 * Fix: non-enabler events should be disabled by default
315 * Fix: build failure on 2.6.36
316 * Cleanup: split bdi_dirty_ratelimit with ifdef into separate macros
317 * Fix: writeback instrumentation for 4.2 kernels
318 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.18.10
319 * Add stream instance id to the packet header
320 * Add a packet sequence number
321 * Fix: kmem probe with Ubuntu 3.13 kernels
322 * Fix: disable kvm probe if lapic.h isn't found
323 * Fix: timer instrumentation for 4.2 kernels
324 * Fix: ext4 instrumentation for 4.2 kernels
325 * Fix: kvm instrumentation for 4.2 kernels
326 * Fix: allow LTTng to be built within kernel tree
327
3282015-07-15 (Pet Fire Safety Day) LTTng modules 2.7.0-rc1
f3586d94
MD
329 * Fix: Building the event list fails on fragmented memory
330 * Fix: use after free on metadata cache reallocation
331 * Fix: version checks for kernel 4.0
332 * Fix: Incorrect Ubuntu kernel patchlevel
333 * Fix: cpu-id context should use int type
334 * Implement cpu-id context
335 * Implement cpu_id context for filtering
336 * Fix: context printk mismatch on error
337 * Cleanup: misleading comment about deferrable timer
338 * Fix: arm-32 build
339 * Fix: Update kmem event for Ubuntu's 3.16 kernel
340 * Fix: RHEL 7.1 block instrumentation
341 * Fix: add RHEL version macros
342 * Fix: add missing parenthesis in ubuntu version check
343 * Fix: remove regmap instrumentation for kernels < 4.1
344 * Fix: Update kmem event for recent Ubuntu kernel
345 * Fix: missing statedump end event when block device listing available
346 * Fix: don't generate incorrect macros for debian/ubuntu version check
347 * Revert "Fix: build against Ubuntu kernels"
348 * Fix: build against Ubuntu kernels
349 * Add namespace info in sched_fork and statedump
350 * Fix: ext4 instrumentation: flags parameter did not exist prior to 3.11
351 * Fix: printk instrumentation: remove "condition" tracepoints
352 * Fix: regmap build against kernel 4.0 kernel headers
353 * Add mmu_valid_gen field to mmutrace events
354 * Fix: add missing x86 mmutrace kernel header include
355 * Fix: x86 mmutrace event extra field for kernels >= 3.11
356 * Fix: remove execute flag from kvm.h file
357 * Fix: build x86 kvm probes on kernels >= 4.1-rc1
358 * Fix: compilation on 4.1-rc1 kernel, remove unused WB_WORK_REASON
359 * Fix: 4.1-rc1 Linux build and regmap instrumentation
360 * Fix: don't clash with older Debian kernel versions
361 * Fix: update get_pfnblock_flags_mask wrapper for debian kernels
362 * Fix: discover Debian API
363 * Fix: Update README.md to match reality: kernels >= 2.6.36 are supported
364 * Fix: atomic.h wrapper for kernels < 2.6.37
365 * Fix: disable x86 kvm instrumentation for kernels < 2.6.38
366 * Fix: add missing types.h include for older kernels
367 * Fix: add hlist lttng wrappers
368 * Fix: add struct file_handle forward declaration
369 * Fix: string length calculation reversed user vs kernel args
370 * Fix: use lttng_rcu_dereference within lttng-syscalls.c
371 * Fix: add lttng rcu wrapper to allow tracing RCU
372 * Fix: double-unlock of session mutex
373 * Fix: check that class and instance prototype match
374 * Fix: lttng-events.h check function takes void
375 * Fix: regmap instrumentation for Linux 3.19.4 and 4.0
376 * Fix: kernels >= 2.6.33 put utsrelease.h in generated/
377 * Fix: Include utsrelease.h in lttng-kernel-version.h
378 * Fix: ext4 ext4_da_write_pages instrumentation for kernels < 3.11.0
379 * Fix: old kernels need module.h included before vermagic.h
380 * Fix: net instrumentation for kernels 2.6.39 and below
381 * Fix: version condition in makefile
382 * Implement wrapper around get_pfnblock_flags_mask
383 * Be more restrictive in provider name check
384 * Fix: net instrumentation namespacing
385 * Fix: compaction instrumentation namespacing
386 * Fix: Support 4.x kernel versions in Makefile
387 * Fix: remove stale TP_STRUCT_entry from kvm instrumentation
388 * Fix: add missing module.h include to lttng-probe-user.c
389 * Fix: use lttng hlist wrapper in wildcard and filter
390 * Fix: namespace asoc and kmem instrumentation
391 * Fix: update instrumentation after wildcard rebase
392 * Fix: lttng_abi_syscall_list does not need to be exported
393 * Migrate ARM, powerpc, MIPS syscall instrumentation to TP_FIELDS
394 * Remove now unused syscalls.h from lttng-modules
395 * Filter: start with enabler "disabled"
396 * Fix coverity warning about sizeof(void **) != sizeof(void *)
397 * Fix length type and text sequence base
398 * Fix: TP_FIELDS: add missing headers
399 * Migrate syscall instrumentation to TP_FIELDS
400 * Migrate tracepoint instrumentation to TP_FIELDS
401 * Implement filtering infrastructure
402 * syscall wildcards: apply syscall filtering
403 * Implement syscall wildcard support
404 * Implement tracepoint wildcard support
405 * Namespace all tracepoints
406 * Implement list.h wrapper for hlist in older kernels
407 * Implement listing of pid tracker content
408 * Implement PID tracking
409 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.14.36
410 * Fix: update writeback instrumentation for kernel 4.0+
411 * Fix: compaction mm_compaction_isolate_template update for Linux 4.0+
412 * Fix: kmem instrumentation update for mm_page_alloc_extfrag kernel 3.19.2+
413 * Fix: kmem instrumentation: mm_page_alloc extfrag change_ownership field
414 * Fix: missing parenthesis in offset_align_floor
415 * Fix: implement time.h wrapper for FD_ISSET
416 * Fix: update sched instrumentation for 3.19+ kernels
417 * Fix: update rcu instrumentation for 3.19+ kernels
418 * Fix: update scsi instrumentation for 3.19+ kernels
419 * Fix: update module instrumentation for 3.19+ kernels
420 * Fix: Add f_dentry wrapper for 3.19+ kernels
421 * Fix: introduce lttng_get_unused_fd() wrapper for 3.19 kernels
422 * Fix: lttng_this_cpu_ptr wrapper for kernel 3.19+
423 * Fix: Update btrfs instrumentation for 3.18 Linux kernel
424 * Fix compile error on kernel 3.0.101 with CONFIG_PERF_EVENTS
425 * Conditional compilation introduced by lttng-modules commit
426 * Fix: compaction instrumentation update for 3.14.x stable kernels
427 * Fix: context alignment not properly handled
428 * Fix compilation on Linux kernel >= 3.18.0
429 * Fix: build for architectures without HAVE_SYSCALL_TRACEPOINTS
430
af991434
MD
4312014-10-20 LTTng modules 2.6.0-rc1
432 * Expose lttng-modules ABI version ioctl
433 * Fix: syscall list ioctl number conflict
434 * lttng-modules: fix build for non-x86
435 * Fix: syscall listing of session
436 * Print build warning when writeback probe is disabled
437 * Add atomic.h wrapper for before/after atomic
438 * Fix compilation on Ubuntu 14.10
439 * Fix: export name as text array in writeback
440 * Cleanup: remove unused trace_clock_read32()
441 * Use 3.17 ktime_get_mono_fast_ns() new API
442 * Check for stale version.h files
443 * Fix: compile lttng_statedump_process_ns on Ubuntu
444 * Reverse version check logic in lttng_statedump_process_ns
445 * Fix block_rq_complete TP on Ubuntu kernel
446 * Introduce macros to check Ubuntu kernel version
447 * Sync writeback tracepoints from mainline
448 * Fix: redefinition of DEFINE_WRITEBACK_EVENT
449 * Fix: hander negative get_syscall_nr return value
450 * Fix: statedump: close_on_exec flag backward compat
451 * Fix instrumentation of vmscan for older kernels
452 * Fix: older kernels (3.2.x) don't undefine TRACE_SYSTEM
453 * Fix: syscall listing: handle "enable all syscall"
454 * Fix: don't allow disabling syscalls when none are enabled
455 * Fix: syscall: fail disable all if all already disabled
456 * Fix: syscall filtering: NULL pointer deref
457 * Cleanup: list syscall without syscall_entry prefix
458 * Fix: syscall_list_show NULL pointer deref
459 * implement syscall mask getter
460 * Cleanup: lttng-abi.h coding style
461 * syscall listing: show syscall ID
462 * Allow events with same name to be enabled for each channel
463 * ABI: use enable a syscall ABI field name
464 * Implement syscall listing
465 * Fix: tracepoint list anonymous file name
466 * Fix: syscall filtering: disable all syscalls
467 * syscall tracing: input/output parameter handling for all arch
468 * lttng-get-syscall-inout.sh depends on bash
469 * Fix generate syscall header script: add missing escape char
470 * syscall instrumentation: handle copy_from_user return value
471 * Rename LTTng syscall instrumentation macros
472 * Rename LTTng instrumentation macros
473 * Extract input/output arguments from accept and connect syscalls
474 * syscall: extract pipe and pipe2 output args
475 * Remove sys_ prefix from syscall names
476 * System call inout/output arg processing
477 * Update syscall inout table
478 * Add syscall inout table
479 * Extract syscall exit ret value on x86 32/64
480 * Extract system call exit return value
481 * Syscall filtering: apply to syscall exit
482 * System call filtering
483 * asoc.h: fix build with v3.17 kernel
484 * Fix: lttng-modules teardown NULL pointer OOPS
485 * Fix: handle concurrent flush vs get_next_subbuf on metadata cache
486 * Modernize README using Markdown
487 * Fix: OOT lttng_logger tracepoint not visible with signed kernels
488 * Add cscope to gitignore
489 * Update kvm instrumentation: compile on 3.17-rc1
490 * Update statedump to 3.17 nsproxy locking
491 * Fix: noargs probes should calculate alignment and event length
492 * Update compaction instrumentation to 3.16 kernel
493 * Update vmscan instrumentation to 3.16 kernel
494
789fd1d0
MD
4952014-07-16 (Take Your Poet to Work Day) LTTng modules 2.5.0
496 * (no change)
497
37cbcd7c
MD
4982014-06-27 LTTng modules 2.5.0-rc2
499 * Fix: statedump: check whether "files" is NULL, RCU semantic fix
500 * Fix: statedump handle oom case, handle errors
501 * Fix: correct typo in kernel version number
502 * Fix: blktrace instrumentation for backported branches
503 * Fix: statedump block devices OOPS
504
0d979364
MD
5052014-05-28 (International Hamburger Day) LTTng modules 2.5.0-rc1
506 * Add TID field to some block_* events
507 * Fix: refuse overwrite mode buffers with less than two subbuffers
508 * Fix: lttng modules system call generation script
509 * Dump FD flags and mode on state dump
510 * Fix: incorrect rwbs field type in block_bio_queue
511 * Fix: blktrace instrumentation for v3.2.58+ stable branch
512 * Fix: pass proper args when writing commit counter
513 * Cleanup: lib ringbuffer: pagecpy has unsigned semantic
514 * Fix: allow racy tracepoint string input from kernel and userspace
515 * Statedump event for block devices
516 * Fix: update v4l2 instrumentation to 3.15 kernel
517 * Fix: ext4 update instrumentation to 3.15 kernel
518 * Fix: update block instrumentation to 3.15 kernel
519 * Fix: module instrumentation: update to 3.15 kernel
520 * Adapt to 3.15 tracepoint API
521 * Kernel 3.15 don't define map unmap for pipe
522 * Fix: add missing module version in v4l2 probe
523 * Add V4L2 instrumentation
524 * Fix: rcu instrumentation: add const qualifier to char pointers
525 * Fix: add missing module version information
526 * Use kernel 3.13 syscall tables for MIPS32
527 * Add MIPS32 syscalls extracted from a 3.13 kernel
528 * Fix: block instrumentation: < 3.14 don't have bi_iter
529 * Fix: update btrfs instrumentation to kernel 3.14
530 * Fix: update block layer instrumentation to kernel 3.14
531 * Fix: remove __exit annotation
532 * Fix file permissions for lttng-statedump-impl.c
533 * LTTng logger ABI
534
fb2c3779
MD
5352014-02-28 (Public Sleeping Day) LTTng modules 2.4.0
536 * Fix: load state dump even if work-around lookup fails
537 * Cleanup: fix comment
538 * Fix: correctly version kvm events to build against v3.0 kernel
539 * Add extraversion (e.g. -rc4) to lttng-tracer modinfo
540
4be86211
MD
5412014-02-14 LTTng modules 2.4.0-rc4
542 * Fix: use after free in ring buffer clients
543 * Fix: Add statedump exit so module is not permanent
544 * Cleanup: move callback init to static initialization
545 * Fix: OOT lttng-statedump tracepoints not visible with signed kernels
546
00808267
MD
5472014-01-29 LTTng modules 2.4.0-rc3
548 * Fix: tracepoint event name mapping at unregister
549 * Fix: tracepoint name remapping
550 * Fix: enable event error path memory corruption
551 * Update kvm instrumentation to Linux 3.13
552 * Update sched instrumentation to Linux 3.13
553 * Fix: provide more precise error report for enable event
554 * Fix: quote event name in metadata
555 * Add version info to lttng-tracer.ko modinfo
556
0aa12233
MD
5572013-12-10 LTTng modules 2.4.0-rc2
558 * Fix: client_packet_header() uses wrong packet
559 * Cleanup: fix typo in ring buffer backend comment
560 * Fix: handle unknown event type parameter
561 * Fix: eliminate timestamp overlap between packets
562 * gcc blacklist: only apply when building with gcc
563 * Blacklist ARM gcc 4.8.0, 4.8.1, 4.8.2
564
223ca7c5
MD
5652013-11-15 LTTng modules 2.4.0-rc1
566 * Update ext4 instrumentation to Linux 3.12
567 * Update RCU instrumentation to Linux 3.12
568 * Update btrfs instrumentation to 3.12 kernel
569 * Update vmscan instrumentation to Linux 3.12
570 * update: kmem instrumentation 3.12 kernel support
571 * lttng-statedump-impl: Use generic hard irqs for Linux >= 3.12
572 * lttng-statedump-impl: Fix lttng_list_interrupts for empty implementation
573 * Import fix from LTSI: 3.4+ RT kernels use CONFIG_PREEMPT_RT_FULL
574 * Add new tracepoint in KVM
575 * Blacklist kernels 3.10.13 and 3.11.2
576 * LTTng trace-clock: shrink kernel blacklist
577 * Metadata flush writes data from the cache
578 * Per-stream ioctl to get the current timestamp
579 * LTTng ringbuffer ABI calls for index generation
580 * Prepare LTTng override of ring buffer fops
581 * Blacklist Linux kernels 3.10+
582
78c8710b
MD
5832013-09-03 LTTng modules 2.3.0
584 * Fix: metadata stream should not reference session
585 * Fix: btrfs: support 3.11 Linux kernel
586 * statedump: remove KERN_DEBUG messages
587 * Fix: ext4: add missing tracepoints for 3.11 kernel
588 * Fix: ext4: Linux 3.11 support
589 * Fix: ext3: 3.11 Linux support
590 * Fix: statedump nsproxy 3.11 Linux support
591
cf7ae3e6
MD
5922013-08-30 LTTng modules 2.3.0-rc2
593 * Fix: metadata lttng channel refcount
594 * README: lttng-modules incompatible with lttng 0.x patchset
595
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MD
5962013-07-17 LTTng modules 2.3.0-rc1
597 * Fix: kvm x86 probes side-effect
598 * Fix: allow get/put subbuf in loop for metadata stream
599 * Add support for kvm x86 specific tracepoints
600 * Add mainline headers for kvm x86 tracepoints
601 * Remove old 3.0.4 x86-64 extracted syscall info
602 * Point the x86-64 overrides to newly extracted 3.10-rc7 files
603 * Add syscalls extracted files from a 3.10-rc7 kernel
604 * Improve documentation of the syscall extractor script
605 * Fix: double length of __dynamic_len array
606 * Fix printk instrumentation
607 * Introduce __dynamic_array_enc_ext_2() and tp_memcpy_dyn_2()
608 * Fix: ring buffer: get_subbuf() checks should be performed on "consumed" parameter
609 * Fix: SWITCH_FLUSH new sub-buffer checks
610 * Fix: ring buffer: handle concurrent update in nested buffer wrap around check
611 * Cleanup: lib_ring_buffer_switch_new_end() only calls subbuffer_set_data_size()
612 * Revert "Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()"
613 * Fix: handle writes of length 0
614 * Fix: ring buffer: RING_BUFFER_FLUSH ioctl buffer corruption
615 * Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()
616 * print warning and return -EBUSY on double get_subbuf()
617 * Add header to fix compilation of syscalls-extractor on 3.9 kernel
618 * Fix: don't do 0 byte event reservation
619 * Document that payload size need to be greater than 0
620 * Fix build and load against linux-2.6.33.x
621 * Fix: add missing CONFIG_COMPAT around lib_ring_buffer_compat_ioctl
622 * Metadata cache and multiple metadata channels
623 * fix block instrumentation probe signature mismatch for 3.9.x kernels
624 * fix: block instrumentation: NULL pointer dereference
625 * Update rcu instrumentation to 3.9.[0-4]
626 * Fix CPU hotplug section mismatches
627 * Add system calls definitions for powerpc-32
628 * Remove bashism in lttng-syscalls-generate-headers.sh
629 * Update ARM (32 bit) syscall tracepoints to 3.4
630
88c5f61b
MD
6312013-05-09 LTTng modules 2.2.0-rc2
632 * Remove useless lttng_metadata probe
633 * Fix: warning kvm_trace_exit_reason redefined for 3.9 kernel
634 * Fix: 3.9.0 block layer instrumentation build
635 * Revert "Stop build if CONFIG_TRACEPOINTS is not set"
636 * Stop build if CONFIG_TRACEPOINTS is not set
637 * Add comments to endifs.
638 * Fix: remove ARM set_tls system call override
639 * Cleanup: arm sys_mmap whitespace
640 * Clean up using global_dirty_limit wrapper for writeback probe
641
78062c79
MD
6422013-03-29 LTTng modules 2.2.0-rc1
643 * Update README
644 * Fix: vmscan instrumentation build
645 * writeback instrumentation: remove duplicated structures
646 * block: update instrumentation to 3.9 rc kernel
647 * rcu: update to 3.9 rc kernel instrumentation
648 * workqueue instrumentation: remove duplicated structures
649 * Rename odd event names
650 * Introduce API to remap event names exposed by LTTng
651 * lttng-module: sched.h: Fix compilation on 3.9 kernel
652 * Fix Linux 3.8 btrfs probe warning
653 * Fix Linux 3.8 ext4 probe support
654 * Fix 3.8 kernel support: namespace lttng_is_signed_type()
655 * Fix: don't flush-final for offset 0 if reader is on sub-buffer
656 * instrumentation sched: add missing fork pid info
657 * Fix check in lttng_strlen_user_inatomic
658 * instrumentation: sync with Linux commit a1ce392
659 * Fix: statedump: missing locking, use lttng_iterate_fd
660 * Implement lttng_iterate_fd wrapper
661 * Instrumentation cleanup: kmem events should print hex pointers
662 * Fix compilation of ext4 and btrfs tracepoints on 2.6.40 kernels
663 * Fix: statedump hang/too early completion due to logic error
664 * Fix: statedump hang due to incorrect wait/wakeup use
665 * put_ulong calls in lib_ring_buffer_compat_ioctl() should be compat
666 * wrapper/perf.h: Fix kernel version condition
667 * Add new kernel probes instrumentation
668 * Update kernel probes to more detailed match to kernel versions
669 * Fix possible kernel build errors with linux-patches
670 * Add missing MIT license text to 3 files under this license
671 * Update sites using kernel version checking macro to new range
672 * Make upper bound of kernel version checking macro exclusive
673 * sock instrumentation: fix fields to get referenced values
674 * ext3 instrumentation: fix of assignment code conversion
675 * sched instrumentation: rename "pid" fields in sched_process_exec
676 * Remove remaining semicolons in TP_fast_assign blocks
677 * Fix compilation for 3.0 kernels that are named 2.6.40
678 * Fix compilation for 3.0 branch (>= 3.0.39)
679 * Add kernel version checking macro
680 * Remove semicolons in TP_fast_assign blocks
681 * Add ifdefs to net probe to support Linux 2.6.39
682 * Add kernel probes for supplementary subsystems
683 * Check if interrupt action name is not null in statedump
684 * Fix exec instrumentation: only for kernels 3.4.0 and higher
685 * Add TRACE_EVENT(sched_process_exec) to sched.h
686 * lib/ringbuffer/frontend_api.h: Include linux/prefetch.h.
687 * Fix warning with 3.6.0 kernel
688 * ABI with support for compat 32/64 bits
689 * Perform calculation on bit size in 64-bit
690 * Use uint64_t for packet header content size and packet size
691 * Fix: compat layer only on supported architectures
692 * Fix ring buffer 32/64 bits compat
693 * Fix cleanup: move lttng-tracer-core.h include to lib ringbuffer config.h
694 * Fix ring_buffer_frontend.c: missing include lttng-tracer-core.h
695 * Fix: statedump missing check for NULL namespace
696
7cb1d0ee
MD
6972012-09-10 LTTng modules 2.1.0-rc1
698 * fix timestamps on architectures without CONFIG_KTIME_SCALAR
699 * Support for linux kernels 2.6.32 through 2.6.37
700 * Document limitation of vppid and ppid context wrt eventual RCU instrumentation
701 * Cleanup: no need to hold RCU read-side lock when reading current nsproxy
702 * Add env hostname information
703 * Fix: lttng_statedump_process_state for each PID NS has infinite loop
704 * lttng_statedump_process_state for each PID NS
705 * Support the hostname context
706 * Fix: statedump namespaced pid, tid and ppid
707 * Fix: statedump: disable vm maps enumeration
708 * Fix: ensure userspace accesses are done with _inatomic
709 * Fix: vppid context should test for current nsproxy
710 * Add MIPS system call support
711 * Change mode of lttng-syscalls-generate-headers.sh to 755
712 * cleanup: fix typo in syscall instrumentation header
713 * Cleanup: remove trailing whitespace in README
714 * trace event: introduce TP_MODULE_NOAUTOLOAD and TP_MODULE_NOINIT
715 * LTTng: probe-statedump: add #include <linux/sched.h>
716 * fix: signal_generate event should print utf8 for comm field
717 * Makes write operation a parameter for tp_memcpy macro
718 * Add coding style document
719 * Update instrumentation/events README file
720 * Add makefile target for preprocessor
721 * Fix: free_event_id check should compare unsigned int with -1U
722 * Use unsigned long type for events discarded counter
723 * Fix: update signal instrumentation for 3.4 kernel
724 * LTTng Modules ARM syscall instrumentation
725 * Fix: generate header missing echo -e for escape chars
726 * Fix: add missing uaccess.h include (for ARM)
727 * README: Document that CONFIG_MODULES is required
728 * Fix: README typo
729 * Fix: document required and optional kernel config options in README
730
d2a9270f
MD
7312012-03-29 LTTng modules 2.0.1
732 * Fix: is_compat_task !CONFIG_COMPAT compile error on kernels >= 3.3
733
7342012-03-20 LTTng modules 2.0.0
730e5783
MD
735 * First STABLE version
736 * Add version name
737
63be4822
MD
7382012-03-20 LTTng modules 2.0.0-rc4
739 * Update README and add version name place-holder
740
1bca821c
MD
7412012-03-16 LTTng modules 2.0.0-rc3
742 * Fix clock offset 32-bit multiplication overflow
743 * Fix : wrong assign of fd in state dump
744 * License cleanup, ifdef namespace cleanup
745 * Fix: ensure power of 2 check handles 64-bit size_t entirely
746
4d1704b6
MD
7472012-03-02 LTTng modules 2.0.0-rc2
748 * Fix: dmesg printout should not print metadata warnings
749 * Fix: use transport name as channel name
750 * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_subbuf
751
f66cbcc8
MD
7522012-02-20 LTTng modules 2.0.0-rc1
753 * Standardize version across toolchain
754 * statedump: Use old macro name for kernel 2.6.38
755
2646f1db
MD
7562012-02-16 LTTng modules 2.0-pre15
757 * Add timer instrumentation
758 * fix: need to undef mainline define
759 * fix: Include signal.h instead of irq.h for prototype match check
760 * Add signal instrumentation
761
3e8b3fb8
MD
7622012-02-16 LTTng modules 2.0-pre14
763 * syscall tracing: sys_getcpu
764 * Add sys_clone x86 instrumentation
765 * statedump: fix include circular dep
766 * Implement state dump
767
ed5a7a8f
MD
7682012-02-09 LTTng modules 2.0-pre13
769 * Update README
770 * environment: write sysname, release, version, domain to metadata
771 * Allow open /proc/lttng for read & write
772
497051bd
MD
7732012-02-02 LTTng modules 2.0-pre12
774 * Add x86 32/64 execve syscall instrumentation override
775 * Remove unused defines
776 * Add padding to ABI
777 * Use LTTNG_KERNEL_SYM_NAME_LEN
778 * Update version to 1.9.9
779 * Add missing double-quotes to clock uuid
780 * clock: read bootid as clock monotonic ID
781 * Fix comment
782 * Cleanup comment
783 * clock: output clock description in metadata
784 * Properly fix the timekeeping overflow detection
785 * Fix init bug
786 * rename lib-ring-buffer to lttng-lib-ring-buffer
787 * Remove #warning
788 * Mass rename: ltt_*/ltt-* to LTTNG_*/LTTNG-*
789 * Update TODO
790 * Update TODO
791 * Remove debugfs file (keep only proc file)
792 * Rename lttng-debugfs-abi files to lttng-abi
793
4d3e89e3
MD
7942011-12-13 LTTng modules 2.0-pre11
795 * Fix OOPS caused by reference of config pointer
796 * Gather detailed info from x86 64 32-bit compat syscall instrumentation
797 * lttng lib: ring buffer move null pointer check to open
798 * lttng lib: ring buffer remove duplicate null pointer
799 * lttng lib: ring buffer: remove stale null-pointer
800 * lttng wrapper: add missing include to kallsyms wrapper
801 * lttng: cleanup one-bit signed bitfields
802 * Add TODO file
803 * Update symbol name length max size to 256
804 * Fix last modifications to string_from_user operations
805 * Document that depmod needs to be executed by hand
806 * Fix strlen_user fault space reservation
807 * Fix tp_copy_string_from_user handling of faults
808 * Disable block layer tracing support for kernels < 2.6.38
809 * lttng context: perf counter, fix 32-bit vs 64-bit field size bug
810 * Update trace clock warning to match the current development plan
811 * ringbuffer: make ring buffer printk less verbose
812 * Makefile: do not run depmod manually
813
e2222c2e
MD
8142011-09-30 LTTng modules 2.0-pre10
815 * x86-32: override sys_mmap syscall instrumentation
816 * Fix cast warning
817
bfb508ed
MD
8182011-09-29 LTTng modules 2.0-pre9
819 * x86 32 syscalls: fix !CONFIG_UID16
820 * Use __string_from_user
821 * Add __string_from_user
822 * Rename "comm" context to "procname"
823 * Fetch "type" name field for mount syscall
824 * Create common override file for all architectures
825 * Shrink stack size usage
826 * Cleanup: remove unused lttng-compat-syscalls.c file
827 * Support detailed compat syscalls on x86_64
828 * Fix syscall table
829 * Add disabled compat syscalls detail (work in progress)
830 * Add config compat support for detailed x86_32 syscalls
831 * Handle newer 3.1+ perf API
832 * Add dummy x86-32 override headers
833 * Bind x86-32 syscall headers
834 * Add x86-32 syscall headers
835 * Add check for KALLSYMS_ALL in syscall extraction script
836 * Automate string extraction for syscalls
837 * Automate syscall filename/pathname extraction
838 * Add exit to ring_buffer_frontend so module is unloadable
839 * Add sys_open filename (x86_64)
840 * Add missing memcpy callback
841 * copy_from_user and memset
842 * Add missing alignment after header write
843 * lib ring buffer: add frontend init as module_init
844 * lib ring buffer frontend: add missing lock initialization
845 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address (missing file)
846 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address
847 * Create override for sys_mmap
848 * Rename syscalls -> syscall in LTTng ABI
849 * Use different event name for compat syscalls
850 * Allow trace syscall table override
851 * Add dummy override files
852 * syscall detail: add override capability
853 * Add pointer pretty-print heuristics
854 * Add __field_hex
855 * Rename sys exit errno into ret
856 * Enable detailed syscalls only for native x86_64
857 * Use "unknown" for compat syscalls
858 * Disable x86-64 specific detailed syscalls for now, until we deal with 32-bit compat
859 * Fix syscall exit
860 * Fix sys exit
861 * Only enable detailed syscalls for x86_64 for now
862 * Merge unknown syscall method with extended detail method
863 * Add underscore prefix before event names
864 * Add syscalls pointers detailed syscall tracing
865 * Use perl for regexp
866 * Support generation of syscall probes for those with pointers
867 * Support detailed syscalls with 0 arguments
868 * detailed syscall tracing (work in progress)
869 * Expose /proc/lttng file
870 * Implement detailed syscall event probe
871 * Disable perf build for < 2.6.33 kernels
872 * Syscall detail mode: generate syscall table
873 * block instrumentation: write cmd as hex sequence
874 * lttng-events TRACE_EVENT generator cleanup
875 * block layer instrumentation: fix cmd field
876 * Remove 0 args syscalls for now from type-aware syscall cb generator
877 * Generate trace syscall table macros
878 * Put syscall tracing without arg types back in place
879 * Detailed system call tracing (TRACE_EVENT() generation for integer support)
880 * lttng events probes: don't clash with "ctx" variable name
881 * lib ring buffer must take private pointer copy before decrementing refcount
882
47655e60
MD
8832011-08-16 LTTng modules 2.0-pre8
884 * Fix metadata buffer wait/wakeup
885
99a93317
MD
8862011-08-12 LTTng modules 2.0-pre7
887 * Add missing module refcount to lttng_tracepoint_list_fops
888 * Add license info about lib/ringbuffer/ring_buffer_mmap.c being GPLv2
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