Version 2.9.11
[lttng-modules.git] / ChangeLog
CommitLineData
7e80ef43
MD
12018-11-01 (National Men Make Dinner Day) LTTng modules 2.9.11
2 * Fix: update kvm instrumentation for SLES12 SP2 LTSS >= 4.4.121-92.92
3 * Fix: Add missing const to lttng_tracepoint_ptr_deref prototype
4 * Fix: adapt to kernel relative references
5 * Fix: implicit declarations caused by buffer size checks.
6 * Prevent allocation of buffers if exceeding available memory
7 * Fix: Convert rcu tracepointis to gp_seq (v4.19)
8 * Fix: net: expose sk wmem in sock_exceed_buf_limit tracepoint (4.19)
9 * Fix: access migrate_disable field directly
10 * Fix: out of memory error handling
11
73ee0079
MD
122018-08-09 (National Book Lovers Day) LTTng modules 2.9.10
13 * Fix: adjust SLE version ranges to build with SP2 and SP3
14 * Fix: Allow alphanumeric characters in SLE version
15 * Fix: Adjust range for SuSE 4.4.103-92 kernels
16 * Add extra version information framework
17 * Fix: btrfs: Remove unnecessary fs_info parameter
18 * Fix: asoc: Remove snd_soc_cache_sync() implementation
19 * Fix: asoc: fix printing jack name
20 * Fix: asoc: Consolidate path trace events
21 * Fix: ASoC level IO tracing removed upstream
22 * Fix: dyntick field added to trace_rcu_dyntick in v4.16
23 * Fix: BUILD_BUG_ON with compile time constant on < v2.6.38
24 * Fix: pid tracker should track "pgid" for noargs probes
25
50f48712
MD
262018-05-09 (Lost Sock Memorial Day) LTTng modules 2.9.9
27 * Fix: update RCU instrumentation for 4.17
28 * Fix: sunrpc instrumentation for 4.17
29 * Fix: use struct reclaim_stat in mm_vmscan_lru_shrink_inactive for 4.17
30 * Fix: Add gfp_flags arg to mm_vmscan_kswapd_wake for 4.17
31 * Update: kvm instrumentation for ubuntu 4.13.0-38
32 * Fix: update kvm instrumentation for Ubuntu 3.13.0-144
33 * Fix: btrfs instrumentation namespacing
34 * Cleanup: comment about CONFIG_HOTPLUG_CPU ifdef
35 * Fix: do not use CONFIG_HOTPLUG_CPU for the new hotplug API
36 * Fix: update kvm instrumentation for 4.1.50+
37 * Use the memory pool instead of kmalloc
38 * Create a memory pool for temporary tracepoint probes storage
39 * Fix: use proper pid_ns in the process statedump
40 * Fix: add variable quoting to shell scripts
41 * Update: kvm instrumentation for fedora 4.14.13-300
42 * Fix: Add Fedora version macros
43 * Fix: update btrfs instrumentation for SuSE 4.4.114-92
44 * Fix: update block instrumentation for SuSE 4.4.114-92
45 * Fix: update rcu instrumentation for v4.16
46 * Fix: update vmscan instrumentation for v4.16
47 * Fix: update timer instrumentation on 4.16 and 4.14-rt
48 * Update kvm instrumentation for debian kernel 4.14.0-3
49
3f31aeac
MD
502018-01-30 (National Croissant Day) LTTng modules 2.9.8
51 * Fix: network instrumentation protocol enum
52 * Fix: update btrfs instrumentation for SuSE 4.4.103-6
53 * Fix: update block instrumentation for SuSE 4.4.73-5
54 * Fix: global_dirty_limit for kernel v4.2 and up
55 * Fix: network instrumentation handling of corrupted TCP headers
56 * Fix: add missing uaccess.h include from kstrtox.h wrapper
57 * Update: kvm instrumentation for 4.14.14+, 4.9.77+, 4.4.112+
58 * Fix: btrfs_delayed_ref_head was unwired since v3.12
59 * Update kvm instrumentation for debian kernel 4.9.65-3
60 * Fix: debian kernel version parsing
61 * Fix: block instrumentation 4.14+ NULL pointer dereference
62 * Update: kvm instrumentation for 3.16.52 and 3.2.97
63 * Fix: kvm instrumentation for 4.15
64 * Update sock instrumentation for 4.15
65 * Update kvm instrumentation for 4.15
66 * Fix: ACCESS_ONCE() removed in kernel 4.15
67 * Fix: sched instrumentation on stable RT kernels
68 * timer API transition for kernel 4.15
69 * Fix: Don't nest get online cpus
70 * Fix: lttng_channel_syscall_mask() bool use in bitfield
71 * Fix: update kmem instrumentation for kernel 4.15
72
9cad83fa
MD
732017-11-08 (National Cappuccino Day) LTTng modules 2.9.7
74 * Fix: lttng_kvmalloc helper NULL pointer OOPS
75
2e8be614
MD
762017-11-03 (National Sandwich Day) LTTng modules 2.9.6
77 * Fix: lttng-logger get_user_pages_fast error handling
78
c541df89
MD
792017-10-05 LTTng modules 2.9.5
80 * Fix: update block instrumentation for 4.14 kernel
81 * Revert "Fix: update block instrumentation for kernel 4.14"
82
c09ff1b2
MD
832017-10-03 (National Techies Day) LTTng modules 2.9.4
84 * Fix: version check error in btrfs instrumentation
85 * Fix: update btrfs instrumentation for kernel 4.14
86 * Fix: update writeback instrumentation for kernel 4.14
87 * Fix: update block instrumentation for kernel 4.14
88 * Fix: vmalloc wrapper on kernel < 2.6.38
89 * Fix: vmalloc wrapper on kernel >= 4.12
90 * Add kmalloc failover to vmalloc
91 * Fix: mmap: caches aliased on virtual addresses
92 * Fix: update ext4 instrumentation for kernel 4.13
93 * Fix: Sleeping function called from invalid context
94 * Fix: sched for v4.11.5-rt1
95 * Fix: handle missing ftrace header on v4.12
96
f783d427
MD
972017-06-12 (National Peanut Butter Cookie Day) LTTng modules 2.9.3
98 * Fix: pid tracker should track "pgid"
99 * Fix: Build ftrace probe on kernels prior to 4.12
100 * Fix: update ftrace probe for kernel 4.12
101 * Fix: update block instrumentation for kernel 4.12
102 * Fix: Add support for 4.9.27-rt18 kernel
103 * Fix: update btrfs instrumentation for kernel 4.12
104 * Fix: update ringbuffer for kernel 4.12
105 * Fix: update sched instrumentation for kernel 4.12
106 * Fix: ext3 was completely removed from the kernel in v4.3
107 * Fix: NULL pointer dereference of THIS_MODULE with built-in modules
108 * Fix: add "flush empty" ioctl for stream intersection
109 * Revert "Fix: flush empty packets on snapshot channel"
110 * Revert "Fix: don't perform extra flush on metadata channel"
111 * Fix: remove CONFIG_KALLSYMS_ALL warning on clean
112
f1450965
MD
1132017-04-25 (National Zucchini Bread Day) LTTng modules 2.9.2
114 * Fix: Always build vmscan probe
115 * Fix: use of uninitialized ret value in lttng_abi_open_metadata_stream
116 * Fix: kref changes for kernel 4.11
117 * Fix: atomic_add_unless() returns true/false rather than prior value
118 * Fix: timers cputime_t arguments replaced by ull in kernel 4.11
119 * Fix: update scsi instrumentation for kernel 4.11
120 * Fix: changes to the vm_op fault cb prototype in libringbuffer
121 * Fix: update btrfs instrumentation for kernel 4.11
122 * Fix: update mm_vmscan instrumentation for kernel 4.11
123 * Fix: section mismatch warning caused by __exit annotation
124
5eade9b9
MD
1252017-02-17 (National Cabbage Day) LTTng modules 2.9.1
126 * Fix: nmi-safe clock on 32-bit systems
127 * Fix: only include linux/cpuhotplug.h for kernels >= 4.10
128 * Fix: 4.10 hotplug adaptation backward compat
129 * Adapt lttng-modules to Linux 4.10 cpu hotplug state machine
130 * Fix: 4.10 btrfs instrumentation update backward compat
131 * Update btrfs instrumentation for 4.10 kernel
132 * btrfs instrumentation: update to 4.10 kernel
133 * timer instrumentation: adapt to ktime_t without union
134 * Fix: asoc instrumentation for RHEL 7.3
135 * Fix: SCSI instrumentation for SLES12 SP2
136 * Add SUSE Linux Enterprise kernel version tests
137
14979eda
MD
1382016-11-29 (National Square Dance Day) LTTng modules 2.9.0
139 * Performance: add missing unlikely in reserve
140 * Fix: preemptible and migratable context error handling
141
a5de5832
MD
1422016-10-13 (International Day for Failure) LTTng modules 2.9.0-rc2
143 * Fix: bump stable kernel version ranges for clock work-around
144
f8af63a2
MD
1452016-10-07 (National Frappé Day) LTTng modules 2.9.0-rc1
146 * Fix: i2c: support kernels < 3.15
147 * Fix: show warning for broken clock work-around
148 * Bump minor ABI version
149 * Fix: work-around upstream Linux timekeeping bug
150 * Add support for i2c tracepoints
151 * Cleanup: makefile version checks with single "ge"
152 * Performance: special-case NULL in lttng_strlen_user_inatomic
153 * Fix: lttng_inline_memcpy does not take a __user argument
154 * Performance: implement lttng_inline_memcpy
155 * Performance: cache the backend pages pointer in context
156 * Cleanup: libringbuffer: remove duplicate pointer chasing in slow paths
157 * Performance: Only dereference commit index once
158 * Performance: Mark channel and buffer event disabled check unlikely
159 * Performance: Relax atomicity constraints for crash handling
160 * Performance: mark ring buffer do_copy callers always inline
161 * Performance: mark lib_ring_buffer_write always inline
162 * Kconfig: select TRACEPOINTS when built-in
163 * Performance: disable event counting by default
164 * Fix: handle large number of pages or subbuffers per buffer
165 * Fix: unregister cpu hotplug notifier on buffer alloc error
166 * Fix: sa_family is of type unsigned short
167 * Fix: check for sizeof sa_family to save sa_family in accept and connect
168 * Fix: use printk_once() for wrapper warning messages
169 * Fix: btrfs instrumentation for 4.8 kernel
170 * Fix: update mm_vmscan instrumentation for kernel 4.8
171 * Fix: napi instrumentation for 4.8 kernels
172 * Fix: update block instrumentation to compile on 4.8 kernels
173 * Cleanup: reuse code in accept() and accept4() instrumentation
174 * Add x86-64 override for accept4 syscall
175 * Fix: timer wrapper: support kernels >= 4.8
176 * Performance: split check deliver fast/slow paths
177 * Fix: x86-64 accept instrumentation
178 * Fix: Add support for 4.6.4-rt8 kernel
179 * Fix: update scsi instrumentation for 4.7+ kernels
180 * Fix: Use fs_initcall instead of rootfs_initcall
181 * Fix: Add kernel configuration for lttng clock plugin
182 * Fix: the clock plugin must be initiated before first use of the clock
183 * Fix: tests/Kbuild for older kernels
184 * Cleanup: __dynamic_len_idx set but not used warning
185 * Cleanup: coding style and comments of net.h
186 * net: Add TCP header data to net_* tracepoints
187 * net: Add IPv4/IPv6 header data to net_* tracepoints
188 * Fix: endianness for the container type of enum
189 * enumeration autoincrement: use if/else logic
190 * Cleanup trailing whitespaces
191 * lttng-test probe: test ctf_enum_auto()
192 * Add ctf_enum_auto() for autoincrementing enumeration values
193 * Implement session statedump command
194 * Fix: annotate bytecode interpreter for kernel stack validator
195 * Update version to 2.9.0-pre
196 * Fix: ring buffer: honor switch parameter type in remote switch
197 * Fix: only flush non-metadata channels
198 * Fix: don't perform extra flush on metadata channel
199 * select, poll and epoll_wait overrides on ARM 32-bit
200 * Fix: flush empty packets on snapshot channel
201 * Fix: do not generate packet at destroy after stop
202 * Fix: compat ioctl for flush/get metadata version
203 * Fix: ctf_string() should handle NULL pointers
204 * Fix: portability: no arith on void pointer
205 * Fix: add missing tests/Kbuild
206 * Test clock override plugin
207 * Fix: add modules target to base Makefile
208 * Fix: make clean does not include dot-config
209 * Fix: trigger build error if CONFIG_TRACEPOINTS is not set
210 * Documentation: document that CONFIG_MODULES not required when builtin
211 * Fix: add missing errno include in random wrapper
212 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.16.35
213 * Fix: copy_from_user size when limited allocation
214 * Extract the payload of epoll_wait/epoll_pwait
215 * Extract the payload for epoll_ctl
216 * Extract the FDs and flags from poll and ppoll
217 * Extract the FD sets in select and pselect6
218 * Add ctf_integer_bitfield_type
219 * Implement enumeration type
220 * Implement custom field support
221 * Implement variant type
222 * Implement shadow stack for dynamic len
223 * libringbuffer: implement event too big API
224 * Implement structure, compound array/sequence types
225 * Fix: integer endianness metadata generation
226 * Fix: endianness of integers received by filter
227 * Fix: writeback probe on RHEL >= 3.10.0-327.10.1
228 * Fix: RHEL kernel 3.10.0-327.13.1 compat
229 * Fix: ctf_user_integer should not trigger page fault
230 * Fix: lib_ring_buffer_copy_from_user_inatomic error handling
231 * Add comment describing ioctl number duplication
232 * Fix: remove unused gfpflags.h from btrfs and compaction instrumentation
233 * Fix: Remove dead code from filter interpreter
234 * Fix: x86 kvm mmutrace instrumentation for kernel < 3.6
235 * Fix: mm_vmscan instrumentation: remove unused gfpflags.h include
236 * Fix: use of uninitialized ret value in lttng_abi_create_event
237 * Fix: kmem instrumentation: remove unused gfpflags.h include
238 * Fix: 4.6 kernel: use in_compat_syscall
239 * Fix: use BUG_ON instead of accessing array subscript above array bounds
240 * Fix: Add granularity to RHEL kernel version checks
241
0dca9206
MD
2422016-03-18 (Awkward Moments Day) LTTng modules 2.8.0-rc1
243 * Bump minor tracer ABI version
244 * Fix: build against out-of-tree kernel build
245 * probes/Kbuild: remove upper level header path
246 * Move leftover relative include paths to system paths
247 * syscall instrumentation: use system headers
248 * tracepoint event instrumentation: use system headers
249 * Use system include path in wrappers
250 * libs: use system include paths
251 * Use system header paths in core implementation files
252 * Use system include paths in root directory headers
253 * Use system include paths in probes
254 * Update gitignore
255 * Use system include paths in lttng-types.h
256 * Use system include paths in lttng-tracepoint-event-impl.h
257 * Use system include path in probes/define_trace.h
258 * Use system include paths in probes/lttng-tracepoint-event-impl.h
259 * Rename probes/lttng-events.h to probes/lttng-tracepoint-event-impl.h
260 * Add makefile directory to include path
261 * Fix: event ctx get size should be after chan ctx
262 * Fix: filter interpreter with userspace strings
263 * Fix: rename kvm x86 TRACE_SYSTEM to avoid name clash
264 * Fix: format address fields as hexadecimal
265 * PowerPC-64 ABIv1: add build error if KALLSYMS_ALL is missing
266 * Fix: system call instrumentation overrides
267 * Fix: page_alloc wrapper incorrect parenthesis
268 * Fix: system call tracing for arm-64 compat !CONFIG_UID16
269 * Fix: add struct user_msghdr forward declaration for older kernels
270 * Cleanup: Remove unused lttng-types module
271 * Fix: add missing versions and init call for page_alloc wrapper
272 * Fix: Define lttng-tracer metadata only once
273 * Fix: Add CONFIG_LTTNG to modules_install target
274 * Fix: Use kbuild env instead of a custom var KERNELDIR
275 * Update clock offset comment
276 * clock offset: print negative value in metadata
277 * Fix: handle negative clock offset
278 * Fix: sched instrumentation for 4.1-rt11
279 * Add RT patch version macros
280 * Expect filter context identifiers starting with $ctx.
281 * ARM64: wire up compat system calls
282 * Add support for arm64 syscalls
283 * Fix: Ubuntu kernel range for block_rq_complete
284 * Fix: Ubuntu kernel range for mm_page_alloc_extfrag
285 * Fix: update vmscan instrumentation for kernel 4.5
286 * Fix: check reference counts for overflow
287 * Fix: RHEL 7.2 scsi instrumentation
288 * Fix: RHEL 7.2 kvm instrumentation
289 * Kconfig: describe both module and in-kernel compilation options
290 * Add comments and indentation to Makefile
291 * Add support for built-in kernel build
292 * Rename sub makefiles to Kbuild
293 * Cleanup sub makefiles
294 * Make goals configurable with CONFIG_LTTNG
295 * Fix: Use generic raw_irqs_disabled_flags
296 * Fix: Use MAX_RT_PRIO offset in sched_wakeup_template
297 * Fix: update sched instrumentation for kernel 4.4.0
298 * Bump version number for development branch
299 * Fix: interruptible context: reversed logic
300 * Contexts for RT debugging
301 * Fix: instrumentation: v4lv2 missing include
302 * Fix: header size larger than 256 bytes
303 * Instrument x86 page faults
304 * Fix: irq_vectors TRACE_SYSTEM name
305 * Instrument x86_irq_vectors
306 * Fix: tracepoint listing misses last loaded probe
307 * Fix: lttng trace-clock needs to disable preemption
308 * Tracepoint event: add "TP_code_post()"
309 * Implement array and sequence bitfields
310 * Fix: kmem: add mm.h include
311 * Add page frame number (pfn) to kmem page events
312 * Use pfn rather than struct page in ring buffer array
313 * Implement clock plugin support
314 * Command to regenerate the metadata of a session
315 * Fix: writeback instrumentation update for 4.3 Linux kernel
316 * Fix: update sched wakeup instrumentation for 4.3 kernel
317 * Fix: lttng-test build failure for kernels < 3.0
318 * Use 3.18 syscall instrumentation for MIPS32
319 * Update the MIPS32 syscall instrumentation to 3.18
320 * Fix: Move pipe override to the arch specific pointers_override.h
321 * Implement lttng test module
322 * Cleanup: remove logically dead code
323 * Fix: filter validator use after free
324 * Fix: use after free in channel release
325 * Fix: non-enabler events should be disabled by default
326 * Fix: build failure on 2.6.36
327 * Cleanup: split bdi_dirty_ratelimit with ifdef into separate macros
328 * Fix: writeback instrumentation for 4.2 kernels
329 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.18.10
330 * Add stream instance id to the packet header
331 * Add a packet sequence number
332 * Fix: kmem probe with Ubuntu 3.13 kernels
333 * Fix: disable kvm probe if lapic.h isn't found
334 * Fix: timer instrumentation for 4.2 kernels
335 * Fix: ext4 instrumentation for 4.2 kernels
336 * Fix: kvm instrumentation for 4.2 kernels
337 * Fix: allow LTTng to be built within kernel tree
338
3392015-07-15 (Pet Fire Safety Day) LTTng modules 2.7.0-rc1
f3586d94
MD
340 * Fix: Building the event list fails on fragmented memory
341 * Fix: use after free on metadata cache reallocation
342 * Fix: version checks for kernel 4.0
343 * Fix: Incorrect Ubuntu kernel patchlevel
344 * Fix: cpu-id context should use int type
345 * Implement cpu-id context
346 * Implement cpu_id context for filtering
347 * Fix: context printk mismatch on error
348 * Cleanup: misleading comment about deferrable timer
349 * Fix: arm-32 build
350 * Fix: Update kmem event for Ubuntu's 3.16 kernel
351 * Fix: RHEL 7.1 block instrumentation
352 * Fix: add RHEL version macros
353 * Fix: add missing parenthesis in ubuntu version check
354 * Fix: remove regmap instrumentation for kernels < 4.1
355 * Fix: Update kmem event for recent Ubuntu kernel
356 * Fix: missing statedump end event when block device listing available
357 * Fix: don't generate incorrect macros for debian/ubuntu version check
358 * Revert "Fix: build against Ubuntu kernels"
359 * Fix: build against Ubuntu kernels
360 * Add namespace info in sched_fork and statedump
361 * Fix: ext4 instrumentation: flags parameter did not exist prior to 3.11
362 * Fix: printk instrumentation: remove "condition" tracepoints
363 * Fix: regmap build against kernel 4.0 kernel headers
364 * Add mmu_valid_gen field to mmutrace events
365 * Fix: add missing x86 mmutrace kernel header include
366 * Fix: x86 mmutrace event extra field for kernels >= 3.11
367 * Fix: remove execute flag from kvm.h file
368 * Fix: build x86 kvm probes on kernels >= 4.1-rc1
369 * Fix: compilation on 4.1-rc1 kernel, remove unused WB_WORK_REASON
370 * Fix: 4.1-rc1 Linux build and regmap instrumentation
371 * Fix: don't clash with older Debian kernel versions
372 * Fix: update get_pfnblock_flags_mask wrapper for debian kernels
373 * Fix: discover Debian API
374 * Fix: Update README.md to match reality: kernels >= 2.6.36 are supported
375 * Fix: atomic.h wrapper for kernels < 2.6.37
376 * Fix: disable x86 kvm instrumentation for kernels < 2.6.38
377 * Fix: add missing types.h include for older kernels
378 * Fix: add hlist lttng wrappers
379 * Fix: add struct file_handle forward declaration
380 * Fix: string length calculation reversed user vs kernel args
381 * Fix: use lttng_rcu_dereference within lttng-syscalls.c
382 * Fix: add lttng rcu wrapper to allow tracing RCU
383 * Fix: double-unlock of session mutex
384 * Fix: check that class and instance prototype match
385 * Fix: lttng-events.h check function takes void
386 * Fix: regmap instrumentation for Linux 3.19.4 and 4.0
387 * Fix: kernels >= 2.6.33 put utsrelease.h in generated/
388 * Fix: Include utsrelease.h in lttng-kernel-version.h
389 * Fix: ext4 ext4_da_write_pages instrumentation for kernels < 3.11.0
390 * Fix: old kernels need module.h included before vermagic.h
391 * Fix: net instrumentation for kernels 2.6.39 and below
392 * Fix: version condition in makefile
393 * Implement wrapper around get_pfnblock_flags_mask
394 * Be more restrictive in provider name check
395 * Fix: net instrumentation namespacing
396 * Fix: compaction instrumentation namespacing
397 * Fix: Support 4.x kernel versions in Makefile
398 * Fix: remove stale TP_STRUCT_entry from kvm instrumentation
399 * Fix: add missing module.h include to lttng-probe-user.c
400 * Fix: use lttng hlist wrapper in wildcard and filter
401 * Fix: namespace asoc and kmem instrumentation
402 * Fix: update instrumentation after wildcard rebase
403 * Fix: lttng_abi_syscall_list does not need to be exported
404 * Migrate ARM, powerpc, MIPS syscall instrumentation to TP_FIELDS
405 * Remove now unused syscalls.h from lttng-modules
406 * Filter: start with enabler "disabled"
407 * Fix coverity warning about sizeof(void **) != sizeof(void *)
408 * Fix length type and text sequence base
409 * Fix: TP_FIELDS: add missing headers
410 * Migrate syscall instrumentation to TP_FIELDS
411 * Migrate tracepoint instrumentation to TP_FIELDS
412 * Implement filtering infrastructure
413 * syscall wildcards: apply syscall filtering
414 * Implement syscall wildcard support
415 * Implement tracepoint wildcard support
416 * Namespace all tracepoints
417 * Implement list.h wrapper for hlist in older kernels
418 * Implement listing of pid tracker content
419 * Implement PID tracking
420 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.14.36
421 * Fix: update writeback instrumentation for kernel 4.0+
422 * Fix: compaction mm_compaction_isolate_template update for Linux 4.0+
423 * Fix: kmem instrumentation update for mm_page_alloc_extfrag kernel 3.19.2+
424 * Fix: kmem instrumentation: mm_page_alloc extfrag change_ownership field
425 * Fix: missing parenthesis in offset_align_floor
426 * Fix: implement time.h wrapper for FD_ISSET
427 * Fix: update sched instrumentation for 3.19+ kernels
428 * Fix: update rcu instrumentation for 3.19+ kernels
429 * Fix: update scsi instrumentation for 3.19+ kernels
430 * Fix: update module instrumentation for 3.19+ kernels
431 * Fix: Add f_dentry wrapper for 3.19+ kernels
432 * Fix: introduce lttng_get_unused_fd() wrapper for 3.19 kernels
433 * Fix: lttng_this_cpu_ptr wrapper for kernel 3.19+
434 * Fix: Update btrfs instrumentation for 3.18 Linux kernel
435 * Fix compile error on kernel 3.0.101 with CONFIG_PERF_EVENTS
436 * Conditional compilation introduced by lttng-modules commit
437 * Fix: compaction instrumentation update for 3.14.x stable kernels
438 * Fix: context alignment not properly handled
439 * Fix compilation on Linux kernel >= 3.18.0
440 * Fix: build for architectures without HAVE_SYSCALL_TRACEPOINTS
441
af991434
MD
4422014-10-20 LTTng modules 2.6.0-rc1
443 * Expose lttng-modules ABI version ioctl
444 * Fix: syscall list ioctl number conflict
445 * lttng-modules: fix build for non-x86
446 * Fix: syscall listing of session
447 * Print build warning when writeback probe is disabled
448 * Add atomic.h wrapper for before/after atomic
449 * Fix compilation on Ubuntu 14.10
450 * Fix: export name as text array in writeback
451 * Cleanup: remove unused trace_clock_read32()
452 * Use 3.17 ktime_get_mono_fast_ns() new API
453 * Check for stale version.h files
454 * Fix: compile lttng_statedump_process_ns on Ubuntu
455 * Reverse version check logic in lttng_statedump_process_ns
456 * Fix block_rq_complete TP on Ubuntu kernel
457 * Introduce macros to check Ubuntu kernel version
458 * Sync writeback tracepoints from mainline
459 * Fix: redefinition of DEFINE_WRITEBACK_EVENT
460 * Fix: hander negative get_syscall_nr return value
461 * Fix: statedump: close_on_exec flag backward compat
462 * Fix instrumentation of vmscan for older kernels
463 * Fix: older kernels (3.2.x) don't undefine TRACE_SYSTEM
464 * Fix: syscall listing: handle "enable all syscall"
465 * Fix: don't allow disabling syscalls when none are enabled
466 * Fix: syscall: fail disable all if all already disabled
467 * Fix: syscall filtering: NULL pointer deref
468 * Cleanup: list syscall without syscall_entry prefix
469 * Fix: syscall_list_show NULL pointer deref
470 * implement syscall mask getter
471 * Cleanup: lttng-abi.h coding style
472 * syscall listing: show syscall ID
473 * Allow events with same name to be enabled for each channel
474 * ABI: use enable a syscall ABI field name
475 * Implement syscall listing
476 * Fix: tracepoint list anonymous file name
477 * Fix: syscall filtering: disable all syscalls
478 * syscall tracing: input/output parameter handling for all arch
479 * lttng-get-syscall-inout.sh depends on bash
480 * Fix generate syscall header script: add missing escape char
481 * syscall instrumentation: handle copy_from_user return value
482 * Rename LTTng syscall instrumentation macros
483 * Rename LTTng instrumentation macros
484 * Extract input/output arguments from accept and connect syscalls
485 * syscall: extract pipe and pipe2 output args
486 * Remove sys_ prefix from syscall names
487 * System call inout/output arg processing
488 * Update syscall inout table
489 * Add syscall inout table
490 * Extract syscall exit ret value on x86 32/64
491 * Extract system call exit return value
492 * Syscall filtering: apply to syscall exit
493 * System call filtering
494 * asoc.h: fix build with v3.17 kernel
495 * Fix: lttng-modules teardown NULL pointer OOPS
496 * Fix: handle concurrent flush vs get_next_subbuf on metadata cache
497 * Modernize README using Markdown
498 * Fix: OOT lttng_logger tracepoint not visible with signed kernels
499 * Add cscope to gitignore
500 * Update kvm instrumentation: compile on 3.17-rc1
501 * Update statedump to 3.17 nsproxy locking
502 * Fix: noargs probes should calculate alignment and event length
503 * Update compaction instrumentation to 3.16 kernel
504 * Update vmscan instrumentation to 3.16 kernel
505
789fd1d0
MD
5062014-07-16 (Take Your Poet to Work Day) LTTng modules 2.5.0
507 * (no change)
508
37cbcd7c
MD
5092014-06-27 LTTng modules 2.5.0-rc2
510 * Fix: statedump: check whether "files" is NULL, RCU semantic fix
511 * Fix: statedump handle oom case, handle errors
512 * Fix: correct typo in kernel version number
513 * Fix: blktrace instrumentation for backported branches
514 * Fix: statedump block devices OOPS
515
0d979364
MD
5162014-05-28 (International Hamburger Day) LTTng modules 2.5.0-rc1
517 * Add TID field to some block_* events
518 * Fix: refuse overwrite mode buffers with less than two subbuffers
519 * Fix: lttng modules system call generation script
520 * Dump FD flags and mode on state dump
521 * Fix: incorrect rwbs field type in block_bio_queue
522 * Fix: blktrace instrumentation for v3.2.58+ stable branch
523 * Fix: pass proper args when writing commit counter
524 * Cleanup: lib ringbuffer: pagecpy has unsigned semantic
525 * Fix: allow racy tracepoint string input from kernel and userspace
526 * Statedump event for block devices
527 * Fix: update v4l2 instrumentation to 3.15 kernel
528 * Fix: ext4 update instrumentation to 3.15 kernel
529 * Fix: update block instrumentation to 3.15 kernel
530 * Fix: module instrumentation: update to 3.15 kernel
531 * Adapt to 3.15 tracepoint API
532 * Kernel 3.15 don't define map unmap for pipe
533 * Fix: add missing module version in v4l2 probe
534 * Add V4L2 instrumentation
535 * Fix: rcu instrumentation: add const qualifier to char pointers
536 * Fix: add missing module version information
537 * Use kernel 3.13 syscall tables for MIPS32
538 * Add MIPS32 syscalls extracted from a 3.13 kernel
539 * Fix: block instrumentation: < 3.14 don't have bi_iter
540 * Fix: update btrfs instrumentation to kernel 3.14
541 * Fix: update block layer instrumentation to kernel 3.14
542 * Fix: remove __exit annotation
543 * Fix file permissions for lttng-statedump-impl.c
544 * LTTng logger ABI
545
fb2c3779
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5462014-02-28 (Public Sleeping Day) LTTng modules 2.4.0
547 * Fix: load state dump even if work-around lookup fails
548 * Cleanup: fix comment
549 * Fix: correctly version kvm events to build against v3.0 kernel
550 * Add extraversion (e.g. -rc4) to lttng-tracer modinfo
551
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MD
5522014-02-14 LTTng modules 2.4.0-rc4
553 * Fix: use after free in ring buffer clients
554 * Fix: Add statedump exit so module is not permanent
555 * Cleanup: move callback init to static initialization
556 * Fix: OOT lttng-statedump tracepoints not visible with signed kernels
557
00808267
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5582014-01-29 LTTng modules 2.4.0-rc3
559 * Fix: tracepoint event name mapping at unregister
560 * Fix: tracepoint name remapping
561 * Fix: enable event error path memory corruption
562 * Update kvm instrumentation to Linux 3.13
563 * Update sched instrumentation to Linux 3.13
564 * Fix: provide more precise error report for enable event
565 * Fix: quote event name in metadata
566 * Add version info to lttng-tracer.ko modinfo
567
0aa12233
MD
5682013-12-10 LTTng modules 2.4.0-rc2
569 * Fix: client_packet_header() uses wrong packet
570 * Cleanup: fix typo in ring buffer backend comment
571 * Fix: handle unknown event type parameter
572 * Fix: eliminate timestamp overlap between packets
573 * gcc blacklist: only apply when building with gcc
574 * Blacklist ARM gcc 4.8.0, 4.8.1, 4.8.2
575
223ca7c5
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5762013-11-15 LTTng modules 2.4.0-rc1
577 * Update ext4 instrumentation to Linux 3.12
578 * Update RCU instrumentation to Linux 3.12
579 * Update btrfs instrumentation to 3.12 kernel
580 * Update vmscan instrumentation to Linux 3.12
581 * update: kmem instrumentation 3.12 kernel support
582 * lttng-statedump-impl: Use generic hard irqs for Linux >= 3.12
583 * lttng-statedump-impl: Fix lttng_list_interrupts for empty implementation
584 * Import fix from LTSI: 3.4+ RT kernels use CONFIG_PREEMPT_RT_FULL
585 * Add new tracepoint in KVM
586 * Blacklist kernels 3.10.13 and 3.11.2
587 * LTTng trace-clock: shrink kernel blacklist
588 * Metadata flush writes data from the cache
589 * Per-stream ioctl to get the current timestamp
590 * LTTng ringbuffer ABI calls for index generation
591 * Prepare LTTng override of ring buffer fops
592 * Blacklist Linux kernels 3.10+
593
78c8710b
MD
5942013-09-03 LTTng modules 2.3.0
595 * Fix: metadata stream should not reference session
596 * Fix: btrfs: support 3.11 Linux kernel
597 * statedump: remove KERN_DEBUG messages
598 * Fix: ext4: add missing tracepoints for 3.11 kernel
599 * Fix: ext4: Linux 3.11 support
600 * Fix: ext3: 3.11 Linux support
601 * Fix: statedump nsproxy 3.11 Linux support
602
cf7ae3e6
MD
6032013-08-30 LTTng modules 2.3.0-rc2
604 * Fix: metadata lttng channel refcount
605 * README: lttng-modules incompatible with lttng 0.x patchset
606
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6072013-07-17 LTTng modules 2.3.0-rc1
608 * Fix: kvm x86 probes side-effect
609 * Fix: allow get/put subbuf in loop for metadata stream
610 * Add support for kvm x86 specific tracepoints
611 * Add mainline headers for kvm x86 tracepoints
612 * Remove old 3.0.4 x86-64 extracted syscall info
613 * Point the x86-64 overrides to newly extracted 3.10-rc7 files
614 * Add syscalls extracted files from a 3.10-rc7 kernel
615 * Improve documentation of the syscall extractor script
616 * Fix: double length of __dynamic_len array
617 * Fix printk instrumentation
618 * Introduce __dynamic_array_enc_ext_2() and tp_memcpy_dyn_2()
619 * Fix: ring buffer: get_subbuf() checks should be performed on "consumed" parameter
620 * Fix: SWITCH_FLUSH new sub-buffer checks
621 * Fix: ring buffer: handle concurrent update in nested buffer wrap around check
622 * Cleanup: lib_ring_buffer_switch_new_end() only calls subbuffer_set_data_size()
623 * Revert "Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()"
624 * Fix: handle writes of length 0
625 * Fix: ring buffer: RING_BUFFER_FLUSH ioctl buffer corruption
626 * Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()
627 * print warning and return -EBUSY on double get_subbuf()
628 * Add header to fix compilation of syscalls-extractor on 3.9 kernel
629 * Fix: don't do 0 byte event reservation
630 * Document that payload size need to be greater than 0
631 * Fix build and load against linux-2.6.33.x
632 * Fix: add missing CONFIG_COMPAT around lib_ring_buffer_compat_ioctl
633 * Metadata cache and multiple metadata channels
634 * fix block instrumentation probe signature mismatch for 3.9.x kernels
635 * fix: block instrumentation: NULL pointer dereference
636 * Update rcu instrumentation to 3.9.[0-4]
637 * Fix CPU hotplug section mismatches
638 * Add system calls definitions for powerpc-32
639 * Remove bashism in lttng-syscalls-generate-headers.sh
640 * Update ARM (32 bit) syscall tracepoints to 3.4
641
88c5f61b
MD
6422013-05-09 LTTng modules 2.2.0-rc2
643 * Remove useless lttng_metadata probe
644 * Fix: warning kvm_trace_exit_reason redefined for 3.9 kernel
645 * Fix: 3.9.0 block layer instrumentation build
646 * Revert "Stop build if CONFIG_TRACEPOINTS is not set"
647 * Stop build if CONFIG_TRACEPOINTS is not set
648 * Add comments to endifs.
649 * Fix: remove ARM set_tls system call override
650 * Cleanup: arm sys_mmap whitespace
651 * Clean up using global_dirty_limit wrapper for writeback probe
652
78062c79
MD
6532013-03-29 LTTng modules 2.2.0-rc1
654 * Update README
655 * Fix: vmscan instrumentation build
656 * writeback instrumentation: remove duplicated structures
657 * block: update instrumentation to 3.9 rc kernel
658 * rcu: update to 3.9 rc kernel instrumentation
659 * workqueue instrumentation: remove duplicated structures
660 * Rename odd event names
661 * Introduce API to remap event names exposed by LTTng
662 * lttng-module: sched.h: Fix compilation on 3.9 kernel
663 * Fix Linux 3.8 btrfs probe warning
664 * Fix Linux 3.8 ext4 probe support
665 * Fix 3.8 kernel support: namespace lttng_is_signed_type()
666 * Fix: don't flush-final for offset 0 if reader is on sub-buffer
667 * instrumentation sched: add missing fork pid info
668 * Fix check in lttng_strlen_user_inatomic
669 * instrumentation: sync with Linux commit a1ce392
670 * Fix: statedump: missing locking, use lttng_iterate_fd
671 * Implement lttng_iterate_fd wrapper
672 * Instrumentation cleanup: kmem events should print hex pointers
673 * Fix compilation of ext4 and btrfs tracepoints on 2.6.40 kernels
674 * Fix: statedump hang/too early completion due to logic error
675 * Fix: statedump hang due to incorrect wait/wakeup use
676 * put_ulong calls in lib_ring_buffer_compat_ioctl() should be compat
677 * wrapper/perf.h: Fix kernel version condition
678 * Add new kernel probes instrumentation
679 * Update kernel probes to more detailed match to kernel versions
680 * Fix possible kernel build errors with linux-patches
681 * Add missing MIT license text to 3 files under this license
682 * Update sites using kernel version checking macro to new range
683 * Make upper bound of kernel version checking macro exclusive
684 * sock instrumentation: fix fields to get referenced values
685 * ext3 instrumentation: fix of assignment code conversion
686 * sched instrumentation: rename "pid" fields in sched_process_exec
687 * Remove remaining semicolons in TP_fast_assign blocks
688 * Fix compilation for 3.0 kernels that are named 2.6.40
689 * Fix compilation for 3.0 branch (>= 3.0.39)
690 * Add kernel version checking macro
691 * Remove semicolons in TP_fast_assign blocks
692 * Add ifdefs to net probe to support Linux 2.6.39
693 * Add kernel probes for supplementary subsystems
694 * Check if interrupt action name is not null in statedump
695 * Fix exec instrumentation: only for kernels 3.4.0 and higher
696 * Add TRACE_EVENT(sched_process_exec) to sched.h
697 * lib/ringbuffer/frontend_api.h: Include linux/prefetch.h.
698 * Fix warning with 3.6.0 kernel
699 * ABI with support for compat 32/64 bits
700 * Perform calculation on bit size in 64-bit
701 * Use uint64_t for packet header content size and packet size
702 * Fix: compat layer only on supported architectures
703 * Fix ring buffer 32/64 bits compat
704 * Fix cleanup: move lttng-tracer-core.h include to lib ringbuffer config.h
705 * Fix ring_buffer_frontend.c: missing include lttng-tracer-core.h
706 * Fix: statedump missing check for NULL namespace
707
7cb1d0ee
MD
7082012-09-10 LTTng modules 2.1.0-rc1
709 * fix timestamps on architectures without CONFIG_KTIME_SCALAR
710 * Support for linux kernels 2.6.32 through 2.6.37
711 * Document limitation of vppid and ppid context wrt eventual RCU instrumentation
712 * Cleanup: no need to hold RCU read-side lock when reading current nsproxy
713 * Add env hostname information
714 * Fix: lttng_statedump_process_state for each PID NS has infinite loop
715 * lttng_statedump_process_state for each PID NS
716 * Support the hostname context
717 * Fix: statedump namespaced pid, tid and ppid
718 * Fix: statedump: disable vm maps enumeration
719 * Fix: ensure userspace accesses are done with _inatomic
720 * Fix: vppid context should test for current nsproxy
721 * Add MIPS system call support
722 * Change mode of lttng-syscalls-generate-headers.sh to 755
723 * cleanup: fix typo in syscall instrumentation header
724 * Cleanup: remove trailing whitespace in README
725 * trace event: introduce TP_MODULE_NOAUTOLOAD and TP_MODULE_NOINIT
726 * LTTng: probe-statedump: add #include <linux/sched.h>
727 * fix: signal_generate event should print utf8 for comm field
728 * Makes write operation a parameter for tp_memcpy macro
729 * Add coding style document
730 * Update instrumentation/events README file
731 * Add makefile target for preprocessor
732 * Fix: free_event_id check should compare unsigned int with -1U
733 * Use unsigned long type for events discarded counter
734 * Fix: update signal instrumentation for 3.4 kernel
735 * LTTng Modules ARM syscall instrumentation
736 * Fix: generate header missing echo -e for escape chars
737 * Fix: add missing uaccess.h include (for ARM)
738 * README: Document that CONFIG_MODULES is required
739 * Fix: README typo
740 * Fix: document required and optional kernel config options in README
741
d2a9270f
MD
7422012-03-29 LTTng modules 2.0.1
743 * Fix: is_compat_task !CONFIG_COMPAT compile error on kernels >= 3.3
744
7452012-03-20 LTTng modules 2.0.0
730e5783
MD
746 * First STABLE version
747 * Add version name
748
63be4822
MD
7492012-03-20 LTTng modules 2.0.0-rc4
750 * Update README and add version name place-holder
751
1bca821c
MD
7522012-03-16 LTTng modules 2.0.0-rc3
753 * Fix clock offset 32-bit multiplication overflow
754 * Fix : wrong assign of fd in state dump
755 * License cleanup, ifdef namespace cleanup
756 * Fix: ensure power of 2 check handles 64-bit size_t entirely
757
4d1704b6
MD
7582012-03-02 LTTng modules 2.0.0-rc2
759 * Fix: dmesg printout should not print metadata warnings
760 * Fix: use transport name as channel name
761 * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_subbuf
762
f66cbcc8
MD
7632012-02-20 LTTng modules 2.0.0-rc1
764 * Standardize version across toolchain
765 * statedump: Use old macro name for kernel 2.6.38
766
2646f1db
MD
7672012-02-16 LTTng modules 2.0-pre15
768 * Add timer instrumentation
769 * fix: need to undef mainline define
770 * fix: Include signal.h instead of irq.h for prototype match check
771 * Add signal instrumentation
772
3e8b3fb8
MD
7732012-02-16 LTTng modules 2.0-pre14
774 * syscall tracing: sys_getcpu
775 * Add sys_clone x86 instrumentation
776 * statedump: fix include circular dep
777 * Implement state dump
778
ed5a7a8f
MD
7792012-02-09 LTTng modules 2.0-pre13
780 * Update README
781 * environment: write sysname, release, version, domain to metadata
782 * Allow open /proc/lttng for read & write
783
497051bd
MD
7842012-02-02 LTTng modules 2.0-pre12
785 * Add x86 32/64 execve syscall instrumentation override
786 * Remove unused defines
787 * Add padding to ABI
788 * Use LTTNG_KERNEL_SYM_NAME_LEN
789 * Update version to 1.9.9
790 * Add missing double-quotes to clock uuid
791 * clock: read bootid as clock monotonic ID
792 * Fix comment
793 * Cleanup comment
794 * clock: output clock description in metadata
795 * Properly fix the timekeeping overflow detection
796 * Fix init bug
797 * rename lib-ring-buffer to lttng-lib-ring-buffer
798 * Remove #warning
799 * Mass rename: ltt_*/ltt-* to LTTNG_*/LTTNG-*
800 * Update TODO
801 * Update TODO
802 * Remove debugfs file (keep only proc file)
803 * Rename lttng-debugfs-abi files to lttng-abi
804
4d3e89e3
MD
8052011-12-13 LTTng modules 2.0-pre11
806 * Fix OOPS caused by reference of config pointer
807 * Gather detailed info from x86 64 32-bit compat syscall instrumentation
808 * lttng lib: ring buffer move null pointer check to open
809 * lttng lib: ring buffer remove duplicate null pointer
810 * lttng lib: ring buffer: remove stale null-pointer
811 * lttng wrapper: add missing include to kallsyms wrapper
812 * lttng: cleanup one-bit signed bitfields
813 * Add TODO file
814 * Update symbol name length max size to 256
815 * Fix last modifications to string_from_user operations
816 * Document that depmod needs to be executed by hand
817 * Fix strlen_user fault space reservation
818 * Fix tp_copy_string_from_user handling of faults
819 * Disable block layer tracing support for kernels < 2.6.38
820 * lttng context: perf counter, fix 32-bit vs 64-bit field size bug
821 * Update trace clock warning to match the current development plan
822 * ringbuffer: make ring buffer printk less verbose
823 * Makefile: do not run depmod manually
824
e2222c2e
MD
8252011-09-30 LTTng modules 2.0-pre10
826 * x86-32: override sys_mmap syscall instrumentation
827 * Fix cast warning
828
bfb508ed
MD
8292011-09-29 LTTng modules 2.0-pre9
830 * x86 32 syscalls: fix !CONFIG_UID16
831 * Use __string_from_user
832 * Add __string_from_user
833 * Rename "comm" context to "procname"
834 * Fetch "type" name field for mount syscall
835 * Create common override file for all architectures
836 * Shrink stack size usage
837 * Cleanup: remove unused lttng-compat-syscalls.c file
838 * Support detailed compat syscalls on x86_64
839 * Fix syscall table
840 * Add disabled compat syscalls detail (work in progress)
841 * Add config compat support for detailed x86_32 syscalls
842 * Handle newer 3.1+ perf API
843 * Add dummy x86-32 override headers
844 * Bind x86-32 syscall headers
845 * Add x86-32 syscall headers
846 * Add check for KALLSYMS_ALL in syscall extraction script
847 * Automate string extraction for syscalls
848 * Automate syscall filename/pathname extraction
849 * Add exit to ring_buffer_frontend so module is unloadable
850 * Add sys_open filename (x86_64)
851 * Add missing memcpy callback
852 * copy_from_user and memset
853 * Add missing alignment after header write
854 * lib ring buffer: add frontend init as module_init
855 * lib ring buffer frontend: add missing lock initialization
856 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address (missing file)
857 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address
858 * Create override for sys_mmap
859 * Rename syscalls -> syscall in LTTng ABI
860 * Use different event name for compat syscalls
861 * Allow trace syscall table override
862 * Add dummy override files
863 * syscall detail: add override capability
864 * Add pointer pretty-print heuristics
865 * Add __field_hex
866 * Rename sys exit errno into ret
867 * Enable detailed syscalls only for native x86_64
868 * Use "unknown" for compat syscalls
869 * Disable x86-64 specific detailed syscalls for now, until we deal with 32-bit compat
870 * Fix syscall exit
871 * Fix sys exit
872 * Only enable detailed syscalls for x86_64 for now
873 * Merge unknown syscall method with extended detail method
874 * Add underscore prefix before event names
875 * Add syscalls pointers detailed syscall tracing
876 * Use perl for regexp
877 * Support generation of syscall probes for those with pointers
878 * Support detailed syscalls with 0 arguments
879 * detailed syscall tracing (work in progress)
880 * Expose /proc/lttng file
881 * Implement detailed syscall event probe
882 * Disable perf build for < 2.6.33 kernels
883 * Syscall detail mode: generate syscall table
884 * block instrumentation: write cmd as hex sequence
885 * lttng-events TRACE_EVENT generator cleanup
886 * block layer instrumentation: fix cmd field
887 * Remove 0 args syscalls for now from type-aware syscall cb generator
888 * Generate trace syscall table macros
889 * Put syscall tracing without arg types back in place
890 * Detailed system call tracing (TRACE_EVENT() generation for integer support)
891 * lttng events probes: don't clash with "ctx" variable name
892 * lib ring buffer must take private pointer copy before decrementing refcount
893
47655e60
MD
8942011-08-16 LTTng modules 2.0-pre8
895 * Fix metadata buffer wait/wakeup
896
99a93317
MD
8972011-08-12 LTTng modules 2.0-pre7
898 * Add missing module refcount to lttng_tracepoint_list_fops
899 * Add license info about lib/ringbuffer/ring_buffer_mmap.c being GPLv2
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