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