Version 2.5.6
[lttng-modules.git] / ChangeLog
CommitLineData
e4e92cf7
MD
12015-09-09 LTTng modules 2.5.6
2 * Fix: use after free in channel release
3 * Fix: build failure on 2.6.36
4 * Fix: Update kmem event for Ubuntu's 3.16 kernel
5 * Fix: Update kmem event for recent Ubuntu kernel
6 * Fix: kmem probe with Ubuntu 3.13 kernels
7 * Implement wrapper around get_pfnblock_flags_mask
8 * Fix: Building the event list fails on fragmented memory
9 * Fix: use after free on metadata cache reallocation
10
a732ee0a
MD
112015-06-18 LTTng modules 2.5.5
12 * Fix: Incorrect Ubuntu kernel patchlevel
13 * Fix: RHEL 7.1 block instrumentation
14 * Fix: add RHEL version macros
15 * Fix: add missing parenthesis in ubuntu version check
16 * Fix: missing statedump end event when block device listing available
17
43d3e7d7
MD
182015-04-29 LTTng modules 2.5.4
19 * Fix: mmutrace warnings about redefined macros
20 * Fix: x86 mmutrace event extra field for kernels >= 3.11
21 * Fix: add missing x86 mmutrace kernel header include
22 * Fix: update README file to match reality: kernels >= 2.6.36 are supported
23 * Fix: add struct file_handle forward declaration
24 * Fix: atomic.h wrapper for kernels < 2.6.37
25 * Fix: disable x86 kvm instrumentation for kernels < 2.6.38
26 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.14.36
27 * Fix: update backported kmem patches to lttng-modules 2.5 API
28 * Fix: kmem instrumentation update for mm_page_alloc_extfrag kernel 3.19.2+
29 * Fix: kmem instrumentation: mm_page_alloc extfrag change_ownership field
30
12702eac
MD
312015-01-26 LTTng modules 2.5.3
32 * Fix: missing parenthesis in offset_align_floor
33 * Fix: implement time.h wrapper for FD_ISSET
34 * Fix compile error on kernel 3.0.101 with CONFIG_PERF_EVENTS
35 * Conditional compilation introduced by lttng-modules commit
36
c31032a6
MD
372014-12-12 LTTng modules 2.5.2
38 * Fix: compaction instrumentation update for 3.14.x stable kernels
39 * Fix: context alignment not properly handled
40
c7db4dfc
MD
412014-10-20 LTTng modules 2.5.1
42 * Print build warning when writeback probe is disabled
43 * Fix compilation on Ubuntu 14.10
44 * Fix: compile lttng_statedump_process_ns on Ubuntu
45 * Reverse version check logic in lttng_statedump_process_ns
46 * Update statedump to 3.17 nsproxy locking
47 * Fix block_rq_complete TP on Ubuntu kernel
48 * Introduce macros to check Ubuntu kernel version
49 * asoc.h: fix build with v3.17 kernel
50 * Add atomic.h wrapper for before/after atomic
51 * Update vmscan instrumentation to 3.16 kernel
52 * Update compaction instrumentation to 3.16 kernel
53 * Check for stale version.h files
54 * Fix: statedump: close_on_exec flag backward compat
55 * Fix: lttng-modules teardown NULL pointer OOPS
56 * Fix: handle concurrent flush vs get_next_subbuf on metadata cache
57 * Fix: OOT lttng_logger tracepoint not visible with signed kernels
58
789fd1d0
MD
592014-07-16 (Take Your Poet to Work Day) LTTng modules 2.5.0
60 * (no change)
61
37cbcd7c
MD
622014-06-27 LTTng modules 2.5.0-rc2
63 * Fix: statedump: check whether "files" is NULL, RCU semantic fix
64 * Fix: statedump handle oom case, handle errors
65 * Fix: correct typo in kernel version number
66 * Fix: blktrace instrumentation for backported branches
67 * Fix: statedump block devices OOPS
68
0d979364
MD
692014-05-28 (International Hamburger Day) LTTng modules 2.5.0-rc1
70 * Add TID field to some block_* events
71 * Fix: refuse overwrite mode buffers with less than two subbuffers
72 * Fix: lttng modules system call generation script
73 * Dump FD flags and mode on state dump
74 * Fix: incorrect rwbs field type in block_bio_queue
75 * Fix: blktrace instrumentation for v3.2.58+ stable branch
76 * Fix: pass proper args when writing commit counter
77 * Cleanup: lib ringbuffer: pagecpy has unsigned semantic
78 * Fix: allow racy tracepoint string input from kernel and userspace
79 * Statedump event for block devices
80 * Fix: update v4l2 instrumentation to 3.15 kernel
81 * Fix: ext4 update instrumentation to 3.15 kernel
82 * Fix: update block instrumentation to 3.15 kernel
83 * Fix: module instrumentation: update to 3.15 kernel
84 * Adapt to 3.15 tracepoint API
85 * Kernel 3.15 don't define map unmap for pipe
86 * Fix: add missing module version in v4l2 probe
87 * Add V4L2 instrumentation
88 * Fix: rcu instrumentation: add const qualifier to char pointers
89 * Fix: add missing module version information
90 * Use kernel 3.13 syscall tables for MIPS32
91 * Add MIPS32 syscalls extracted from a 3.13 kernel
92 * Fix: block instrumentation: < 3.14 don't have bi_iter
93 * Fix: update btrfs instrumentation to kernel 3.14
94 * Fix: update block layer instrumentation to kernel 3.14
95 * Fix: remove __exit annotation
96 * Fix file permissions for lttng-statedump-impl.c
97 * LTTng logger ABI
98
fb2c3779
MD
992014-02-28 (Public Sleeping Day) LTTng modules 2.4.0
100 * Fix: load state dump even if work-around lookup fails
101 * Cleanup: fix comment
102 * Fix: correctly version kvm events to build against v3.0 kernel
103 * Add extraversion (e.g. -rc4) to lttng-tracer modinfo
104
4be86211
MD
1052014-02-14 LTTng modules 2.4.0-rc4
106 * Fix: use after free in ring buffer clients
107 * Fix: Add statedump exit so module is not permanent
108 * Cleanup: move callback init to static initialization
109 * Fix: OOT lttng-statedump tracepoints not visible with signed kernels
110
00808267
MD
1112014-01-29 LTTng modules 2.4.0-rc3
112 * Fix: tracepoint event name mapping at unregister
113 * Fix: tracepoint name remapping
114 * Fix: enable event error path memory corruption
115 * Update kvm instrumentation to Linux 3.13
116 * Update sched instrumentation to Linux 3.13
117 * Fix: provide more precise error report for enable event
118 * Fix: quote event name in metadata
119 * Add version info to lttng-tracer.ko modinfo
120
0aa12233
MD
1212013-12-10 LTTng modules 2.4.0-rc2
122 * Fix: client_packet_header() uses wrong packet
123 * Cleanup: fix typo in ring buffer backend comment
124 * Fix: handle unknown event type parameter
125 * Fix: eliminate timestamp overlap between packets
126 * gcc blacklist: only apply when building with gcc
127 * Blacklist ARM gcc 4.8.0, 4.8.1, 4.8.2
128
223ca7c5
MD
1292013-11-15 LTTng modules 2.4.0-rc1
130 * Update ext4 instrumentation to Linux 3.12
131 * Update RCU instrumentation to Linux 3.12
132 * Update btrfs instrumentation to 3.12 kernel
133 * Update vmscan instrumentation to Linux 3.12
134 * update: kmem instrumentation 3.12 kernel support
135 * lttng-statedump-impl: Use generic hard irqs for Linux >= 3.12
136 * lttng-statedump-impl: Fix lttng_list_interrupts for empty implementation
137 * Import fix from LTSI: 3.4+ RT kernels use CONFIG_PREEMPT_RT_FULL
138 * Add new tracepoint in KVM
139 * Blacklist kernels 3.10.13 and 3.11.2
140 * LTTng trace-clock: shrink kernel blacklist
141 * Metadata flush writes data from the cache
142 * Per-stream ioctl to get the current timestamp
143 * LTTng ringbuffer ABI calls for index generation
144 * Prepare LTTng override of ring buffer fops
145 * Blacklist Linux kernels 3.10+
146
78c8710b
MD
1472013-09-03 LTTng modules 2.3.0
148 * Fix: metadata stream should not reference session
149 * Fix: btrfs: support 3.11 Linux kernel
150 * statedump: remove KERN_DEBUG messages
151 * Fix: ext4: add missing tracepoints for 3.11 kernel
152 * Fix: ext4: Linux 3.11 support
153 * Fix: ext3: 3.11 Linux support
154 * Fix: statedump nsproxy 3.11 Linux support
155
cf7ae3e6
MD
1562013-08-30 LTTng modules 2.3.0-rc2
157 * Fix: metadata lttng channel refcount
158 * README: lttng-modules incompatible with lttng 0.x patchset
159
54207845
MD
1602013-07-17 LTTng modules 2.3.0-rc1
161 * Fix: kvm x86 probes side-effect
162 * Fix: allow get/put subbuf in loop for metadata stream
163 * Add support for kvm x86 specific tracepoints
164 * Add mainline headers for kvm x86 tracepoints
165 * Remove old 3.0.4 x86-64 extracted syscall info
166 * Point the x86-64 overrides to newly extracted 3.10-rc7 files
167 * Add syscalls extracted files from a 3.10-rc7 kernel
168 * Improve documentation of the syscall extractor script
169 * Fix: double length of __dynamic_len array
170 * Fix printk instrumentation
171 * Introduce __dynamic_array_enc_ext_2() and tp_memcpy_dyn_2()
172 * Fix: ring buffer: get_subbuf() checks should be performed on "consumed" parameter
173 * Fix: SWITCH_FLUSH new sub-buffer checks
174 * Fix: ring buffer: handle concurrent update in nested buffer wrap around check
175 * Cleanup: lib_ring_buffer_switch_new_end() only calls subbuffer_set_data_size()
176 * Revert "Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()"
177 * Fix: handle writes of length 0
178 * Fix: ring buffer: RING_BUFFER_FLUSH ioctl buffer corruption
179 * Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()
180 * print warning and return -EBUSY on double get_subbuf()
181 * Add header to fix compilation of syscalls-extractor on 3.9 kernel
182 * Fix: don't do 0 byte event reservation
183 * Document that payload size need to be greater than 0
184 * Fix build and load against linux-2.6.33.x
185 * Fix: add missing CONFIG_COMPAT around lib_ring_buffer_compat_ioctl
186 * Metadata cache and multiple metadata channels
187 * fix block instrumentation probe signature mismatch for 3.9.x kernels
188 * fix: block instrumentation: NULL pointer dereference
189 * Update rcu instrumentation to 3.9.[0-4]
190 * Fix CPU hotplug section mismatches
191 * Add system calls definitions for powerpc-32
192 * Remove bashism in lttng-syscalls-generate-headers.sh
193 * Update ARM (32 bit) syscall tracepoints to 3.4
194
88c5f61b
MD
1952013-05-09 LTTng modules 2.2.0-rc2
196 * Remove useless lttng_metadata probe
197 * Fix: warning kvm_trace_exit_reason redefined for 3.9 kernel
198 * Fix: 3.9.0 block layer instrumentation build
199 * Revert "Stop build if CONFIG_TRACEPOINTS is not set"
200 * Stop build if CONFIG_TRACEPOINTS is not set
201 * Add comments to endifs.
202 * Fix: remove ARM set_tls system call override
203 * Cleanup: arm sys_mmap whitespace
204 * Clean up using global_dirty_limit wrapper for writeback probe
205
78062c79
MD
2062013-03-29 LTTng modules 2.2.0-rc1
207 * Update README
208 * Fix: vmscan instrumentation build
209 * writeback instrumentation: remove duplicated structures
210 * block: update instrumentation to 3.9 rc kernel
211 * rcu: update to 3.9 rc kernel instrumentation
212 * workqueue instrumentation: remove duplicated structures
213 * Rename odd event names
214 * Introduce API to remap event names exposed by LTTng
215 * lttng-module: sched.h: Fix compilation on 3.9 kernel
216 * Fix Linux 3.8 btrfs probe warning
217 * Fix Linux 3.8 ext4 probe support
218 * Fix 3.8 kernel support: namespace lttng_is_signed_type()
219 * Fix: don't flush-final for offset 0 if reader is on sub-buffer
220 * instrumentation sched: add missing fork pid info
221 * Fix check in lttng_strlen_user_inatomic
222 * instrumentation: sync with Linux commit a1ce392
223 * Fix: statedump: missing locking, use lttng_iterate_fd
224 * Implement lttng_iterate_fd wrapper
225 * Instrumentation cleanup: kmem events should print hex pointers
226 * Fix compilation of ext4 and btrfs tracepoints on 2.6.40 kernels
227 * Fix: statedump hang/too early completion due to logic error
228 * Fix: statedump hang due to incorrect wait/wakeup use
229 * put_ulong calls in lib_ring_buffer_compat_ioctl() should be compat
230 * wrapper/perf.h: Fix kernel version condition
231 * Add new kernel probes instrumentation
232 * Update kernel probes to more detailed match to kernel versions
233 * Fix possible kernel build errors with linux-patches
234 * Add missing MIT license text to 3 files under this license
235 * Update sites using kernel version checking macro to new range
236 * Make upper bound of kernel version checking macro exclusive
237 * sock instrumentation: fix fields to get referenced values
238 * ext3 instrumentation: fix of assignment code conversion
239 * sched instrumentation: rename "pid" fields in sched_process_exec
240 * Remove remaining semicolons in TP_fast_assign blocks
241 * Fix compilation for 3.0 kernels that are named 2.6.40
242 * Fix compilation for 3.0 branch (>= 3.0.39)
243 * Add kernel version checking macro
244 * Remove semicolons in TP_fast_assign blocks
245 * Add ifdefs to net probe to support Linux 2.6.39
246 * Add kernel probes for supplementary subsystems
247 * Check if interrupt action name is not null in statedump
248 * Fix exec instrumentation: only for kernels 3.4.0 and higher
249 * Add TRACE_EVENT(sched_process_exec) to sched.h
250 * lib/ringbuffer/frontend_api.h: Include linux/prefetch.h.
251 * Fix warning with 3.6.0 kernel
252 * ABI with support for compat 32/64 bits
253 * Perform calculation on bit size in 64-bit
254 * Use uint64_t for packet header content size and packet size
255 * Fix: compat layer only on supported architectures
256 * Fix ring buffer 32/64 bits compat
257 * Fix cleanup: move lttng-tracer-core.h include to lib ringbuffer config.h
258 * Fix ring_buffer_frontend.c: missing include lttng-tracer-core.h
259 * Fix: statedump missing check for NULL namespace
260
7cb1d0ee
MD
2612012-09-10 LTTng modules 2.1.0-rc1
262 * fix timestamps on architectures without CONFIG_KTIME_SCALAR
263 * Support for linux kernels 2.6.32 through 2.6.37
264 * Document limitation of vppid and ppid context wrt eventual RCU instrumentation
265 * Cleanup: no need to hold RCU read-side lock when reading current nsproxy
266 * Add env hostname information
267 * Fix: lttng_statedump_process_state for each PID NS has infinite loop
268 * lttng_statedump_process_state for each PID NS
269 * Support the hostname context
270 * Fix: statedump namespaced pid, tid and ppid
271 * Fix: statedump: disable vm maps enumeration
272 * Fix: ensure userspace accesses are done with _inatomic
273 * Fix: vppid context should test for current nsproxy
274 * Add MIPS system call support
275 * Change mode of lttng-syscalls-generate-headers.sh to 755
276 * cleanup: fix typo in syscall instrumentation header
277 * Cleanup: remove trailing whitespace in README
278 * trace event: introduce TP_MODULE_NOAUTOLOAD and TP_MODULE_NOINIT
279 * LTTng: probe-statedump: add #include <linux/sched.h>
280 * fix: signal_generate event should print utf8 for comm field
281 * Makes write operation a parameter for tp_memcpy macro
282 * Add coding style document
283 * Update instrumentation/events README file
284 * Add makefile target for preprocessor
285 * Fix: free_event_id check should compare unsigned int with -1U
286 * Use unsigned long type for events discarded counter
287 * Fix: update signal instrumentation for 3.4 kernel
288 * LTTng Modules ARM syscall instrumentation
289 * Fix: generate header missing echo -e for escape chars
290 * Fix: add missing uaccess.h include (for ARM)
291 * README: Document that CONFIG_MODULES is required
292 * Fix: README typo
293 * Fix: document required and optional kernel config options in README
294
d2a9270f
MD
2952012-03-29 LTTng modules 2.0.1
296 * Fix: is_compat_task !CONFIG_COMPAT compile error on kernels >= 3.3
297
2982012-03-20 LTTng modules 2.0.0
730e5783
MD
299 * First STABLE version
300 * Add version name
301
63be4822
MD
3022012-03-20 LTTng modules 2.0.0-rc4
303 * Update README and add version name place-holder
304
1bca821c
MD
3052012-03-16 LTTng modules 2.0.0-rc3
306 * Fix clock offset 32-bit multiplication overflow
307 * Fix : wrong assign of fd in state dump
308 * License cleanup, ifdef namespace cleanup
309 * Fix: ensure power of 2 check handles 64-bit size_t entirely
310
4d1704b6
MD
3112012-03-02 LTTng modules 2.0.0-rc2
312 * Fix: dmesg printout should not print metadata warnings
313 * Fix: use transport name as channel name
314 * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_subbuf
315
f66cbcc8
MD
3162012-02-20 LTTng modules 2.0.0-rc1
317 * Standardize version across toolchain
318 * statedump: Use old macro name for kernel 2.6.38
319
2646f1db
MD
3202012-02-16 LTTng modules 2.0-pre15
321 * Add timer instrumentation
322 * fix: need to undef mainline define
323 * fix: Include signal.h instead of irq.h for prototype match check
324 * Add signal instrumentation
325
3e8b3fb8
MD
3262012-02-16 LTTng modules 2.0-pre14
327 * syscall tracing: sys_getcpu
328 * Add sys_clone x86 instrumentation
329 * statedump: fix include circular dep
330 * Implement state dump
331
ed5a7a8f
MD
3322012-02-09 LTTng modules 2.0-pre13
333 * Update README
334 * environment: write sysname, release, version, domain to metadata
335 * Allow open /proc/lttng for read & write
336
497051bd
MD
3372012-02-02 LTTng modules 2.0-pre12
338 * Add x86 32/64 execve syscall instrumentation override
339 * Remove unused defines
340 * Add padding to ABI
341 * Use LTTNG_KERNEL_SYM_NAME_LEN
342 * Update version to 1.9.9
343 * Add missing double-quotes to clock uuid
344 * clock: read bootid as clock monotonic ID
345 * Fix comment
346 * Cleanup comment
347 * clock: output clock description in metadata
348 * Properly fix the timekeeping overflow detection
349 * Fix init bug
350 * rename lib-ring-buffer to lttng-lib-ring-buffer
351 * Remove #warning
352 * Mass rename: ltt_*/ltt-* to LTTNG_*/LTTNG-*
353 * Update TODO
354 * Update TODO
355 * Remove debugfs file (keep only proc file)
356 * Rename lttng-debugfs-abi files to lttng-abi
357
4d3e89e3
MD
3582011-12-13 LTTng modules 2.0-pre11
359 * Fix OOPS caused by reference of config pointer
360 * Gather detailed info from x86 64 32-bit compat syscall instrumentation
361 * lttng lib: ring buffer move null pointer check to open
362 * lttng lib: ring buffer remove duplicate null pointer
363 * lttng lib: ring buffer: remove stale null-pointer
364 * lttng wrapper: add missing include to kallsyms wrapper
365 * lttng: cleanup one-bit signed bitfields
366 * Add TODO file
367 * Update symbol name length max size to 256
368 * Fix last modifications to string_from_user operations
369 * Document that depmod needs to be executed by hand
370 * Fix strlen_user fault space reservation
371 * Fix tp_copy_string_from_user handling of faults
372 * Disable block layer tracing support for kernels < 2.6.38
373 * lttng context: perf counter, fix 32-bit vs 64-bit field size bug
374 * Update trace clock warning to match the current development plan
375 * ringbuffer: make ring buffer printk less verbose
376 * Makefile: do not run depmod manually
377
e2222c2e
MD
3782011-09-30 LTTng modules 2.0-pre10
379 * x86-32: override sys_mmap syscall instrumentation
380 * Fix cast warning
381
bfb508ed
MD
3822011-09-29 LTTng modules 2.0-pre9
383 * x86 32 syscalls: fix !CONFIG_UID16
384 * Use __string_from_user
385 * Add __string_from_user
386 * Rename "comm" context to "procname"
387 * Fetch "type" name field for mount syscall
388 * Create common override file for all architectures
389 * Shrink stack size usage
390 * Cleanup: remove unused lttng-compat-syscalls.c file
391 * Support detailed compat syscalls on x86_64
392 * Fix syscall table
393 * Add disabled compat syscalls detail (work in progress)
394 * Add config compat support for detailed x86_32 syscalls
395 * Handle newer 3.1+ perf API
396 * Add dummy x86-32 override headers
397 * Bind x86-32 syscall headers
398 * Add x86-32 syscall headers
399 * Add check for KALLSYMS_ALL in syscall extraction script
400 * Automate string extraction for syscalls
401 * Automate syscall filename/pathname extraction
402 * Add exit to ring_buffer_frontend so module is unloadable
403 * Add sys_open filename (x86_64)
404 * Add missing memcpy callback
405 * copy_from_user and memset
406 * Add missing alignment after header write
407 * lib ring buffer: add frontend init as module_init
408 * lib ring buffer frontend: add missing lock initialization
409 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address (missing file)
410 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address
411 * Create override for sys_mmap
412 * Rename syscalls -> syscall in LTTng ABI
413 * Use different event name for compat syscalls
414 * Allow trace syscall table override
415 * Add dummy override files
416 * syscall detail: add override capability
417 * Add pointer pretty-print heuristics
418 * Add __field_hex
419 * Rename sys exit errno into ret
420 * Enable detailed syscalls only for native x86_64
421 * Use "unknown" for compat syscalls
422 * Disable x86-64 specific detailed syscalls for now, until we deal with 32-bit compat
423 * Fix syscall exit
424 * Fix sys exit
425 * Only enable detailed syscalls for x86_64 for now
426 * Merge unknown syscall method with extended detail method
427 * Add underscore prefix before event names
428 * Add syscalls pointers detailed syscall tracing
429 * Use perl for regexp
430 * Support generation of syscall probes for those with pointers
431 * Support detailed syscalls with 0 arguments
432 * detailed syscall tracing (work in progress)
433 * Expose /proc/lttng file
434 * Implement detailed syscall event probe
435 * Disable perf build for < 2.6.33 kernels
436 * Syscall detail mode: generate syscall table
437 * block instrumentation: write cmd as hex sequence
438 * lttng-events TRACE_EVENT generator cleanup
439 * block layer instrumentation: fix cmd field
440 * Remove 0 args syscalls for now from type-aware syscall cb generator
441 * Generate trace syscall table macros
442 * Put syscall tracing without arg types back in place
443 * Detailed system call tracing (TRACE_EVENT() generation for integer support)
444 * lttng events probes: don't clash with "ctx" variable name
445 * lib ring buffer must take private pointer copy before decrementing refcount
446
47655e60
MD
4472011-08-16 LTTng modules 2.0-pre8
448 * Fix metadata buffer wait/wakeup
449
99a93317
MD
4502011-08-12 LTTng modules 2.0-pre7
451 * Add missing module refcount to lttng_tracepoint_list_fops
452 * Add license info about lib/ringbuffer/ring_buffer_mmap.c being GPLv2
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