1 2018-09-05 (Be Late for Something Day) LTTng modules 2.11.0-rc1
2 * Fix: uprobes: missing break in lttng_event_ioctl()
3 * Fix: ACCESS_ONCE was removed in 4.15, use READ_ONCE instead
4 * Fix: instruction pointer has different names across arch
5 * Fix: build failures when CONFIG_UPROBES is absent
6 * uprobe: Support multiple call sites for the same uprobe event
7 * uprobe: Receive file descriptor from session instead of path to file
8 * uprobe: Mark uprobe event as registered
10 * Fix: adjust SLE version ranges to build with SP2 and SP3
11 * Fix: Allow alphanumeric characters in SLE version
12 * Fix: Adjust range for SuSE 4.4.103-92 kernels
13 * Cleanup: move to kernel style SPDX license identifiers
14 * Cleanup: move scripts to subdirectory
15 * Cleanup: modinfo keys
16 * Add extra version information framework
17 * Revert "Add btrfs file item tracepoints"
18 * Fix: btrfs: Remove unnecessary fs_info parameter
19 * Fix: btrfs: use fs_info for btrfs_handle_em_exist tracepoint
20 * Fix: asoc: Remove snd_soc_cache_sync() implementation
21 * Fix: asoc: fix printing jack name
22 * Fix: asoc: Consolidate path trace events
23 * Fix: ASoC level IO tracing removed upstream
24 * Enable userspace callstack contexts only on x86
25 * Prevent re-entrancy in callstack-user context
26 * Callstack context: bump number of entries to 128
27 * Fix: callstack context alignment calculation
28 * Cleanup callstack context
29 * Fix callstack context: write empty sequence if no stack trace
30 * Fix: callstack context: false-sharing, bad memory size allocation
31 * callstack context: use delimiter when stack is incomplete
32 * Cleanup callstack context
33 * Add kernel and user callstack contexts
34 * Assign CPU id before saving the context size
35 * Define max nesting count constant
36 * Compute variable sized context length
37 * Pass arguments for context size computation
39 * Update delayed ref tracepoints for v3.12
40 * Add btrfs file item tracepoints
41 * Add btrfs tracepoint for em's EEXIST case
42 * Fix: dyntick field added to trace_rcu_dyntick in v4.16
43 * Fix: BUILD_BUG_ON with compile time constant on < v2.6.38
44 * Fix: lttng filter validator ERANGE error handling
45 * Fix: filter interpreter: use LTTNG_SIZE_MAX
46 * Filter: add FILTER_OP_RETURN_S64 instruction
47 * Perform bitwise ops on unsigned types
48 * Filter: catch shift undefined behavior
49 * Filter: add lshift, rshift, bit not ops
50 * Filter: index array, sequences, implement bitwise binary operators
51 * Fix: pid tracker should track "pgid" for noargs probes
52 * lttng-tp-mempool: perform node-local allocation
53 * Fix: update RCU instrumentation for 4.17
54 * Fix: sunrpc instrumentation for 4.17
55 * Fix: use struct reclaim_stat in mm_vmscan_lru_shrink_inactive for 4.17
56 * Fix: Add gfp_flags arg to mm_vmscan_kswapd_wake for 4.17
57 * Update: kvm instrumentation for ubuntu 4.13.0-38
58 * Fix: update kvm instrumentation for Ubuntu 3.13.0-144
59 * Fix: btrfs instrumentation namespacing
60 * Cleanup: comment about CONFIG_HOTPLUG_CPU ifdef
61 * Fix: do not use CONFIG_HOTPLUG_CPU for the new hotplug API
62 * Fix: update kvm instrumentation for 4.1.50+
63 * Use the memory pool instead of kmalloc
64 * Create a memory pool for temporary tracepoint probes storage
65 * Fix: use proper pid_ns in the process statedump
66 * Fix: add variable quoting to shell scripts
67 * Update: kvm instrumentation for fedora 4.14.13-300
68 * Fix: Add Fedora version macros
69 * Add preemptirq instrumentation
70 * Clean-up: fix stale #endif comments
71 * Command to dump the metadata cache again
72 * Add a new /dev/lttng-logger interface
73 * Fix: update btrfs instrumentation for SuSE 4.4.114-92
74 * Fix: update block instrumentation for SuSE 4.4.114-92
75 * Fix: update rcu instrumentation for v4.16
76 * Fix: update vmscan instrumentation for v4.16
77 * Fix: update timer instrumentation on 4.16 and 4.14-rt
78 * Update kvm instrumentation for debian kernel 4.14.0-3
79 * Fix: network instrumentation protocol enum
80 * Fix: update btrfs instrumentation for SuSE 4.4.103-6
81 * Fix: update block instrumentation for SuSE 4.4.73-5
82 * Fix: global_dirty_limit for kernel v4.2 and up
83 * Fix: network instrumentation handling of corrupted TCP headers
84 * Fix: add missing uaccess.h include from kstrtox.h wrapper
85 * Update: kvm instrumentation for 4.14.14+, 4.9.77+, 4.4.112+
86 * Fix: btrfs_delayed_ref_head was unwired since v3.12
87 * Update kvm instrumentation for debian kernel 4.9.65-3
88 * Fix: debian kernel version parsing
89 * Fix: block instrumentation 4.14+ NULL pointer dereference
90 * Update: kvm instrumentation for 3.16.52 and 3.2.97
91 * Fix: kvm instrumentation for 4.15
92 * Update sock instrumentation for 4.15
93 * Update kvm instrumentation for 4.15
94 * Fix: ACCESS_ONCE() removed in kernel 4.15
95 * Fix: sched instrumentation on stable RT kernels
96 * timer API transition for kernel 4.15
97 * Fix: Don't nest get online cpus
98 * Fix: lttng_channel_syscall_mask() bool use in bitfield
99 * Fix: update kmem instrumentation for kernel 4.15
100 * Fix: lttng_kvmalloc helper NULL pointer OOPS
101 * Update version to 2.11.0-pre
102 * Fix: lttng-logger get_user_pages_fast error handling
103 * Fix: update block instrumentation for 4.14 kernel
104 * Revert "Fix: update block instrumentation for kernel 4.14"
105 * Fix: version check error in btrfs instrumentation
106 * Fix: update btrfs instrumentation for kernel 4.14
107 * Fix: update writeback instrumentation for kernel 4.14
108 * Fix: update block instrumentation for kernel 4.14
109 * Fix: vmalloc wrapper on kernel < 2.6.38
110 * Fix: vmalloc wrapper on kernel >= 4.12
111 * Add kmalloc failover to vmalloc
112 * Fix: mmap: caches aliased on virtual addresses
113 * Fix: update ext4 instrumentation for kernel 4.13
114 * Fix: Sleeping function called from invalid context
115 * Fix: sched for v4.11.5-rt1
116 * Make vim users life easier
117 * Rename Makefile.ABI.workarounds to Kbuild.common
118 * Fix: handle missing ftrace header on v4.12
119 * Fix: pid tracker should track "pgid"
120 * Cleanup: typo in lttng pid tracker
121 * Fix: Build ftrace probe on kernels prior to 4.12
122 * Fix: update ftrace probe for kernel 4.12
123 * Fix: update block instrumentation for kernel 4.12
124 * Calculate context length outside of retry loop
125 * Fix: Add support for 4.9.27-rt18 kernel
126 * Fix: update btrfs instrumentation for kernel 4.12
127 * Fix: update ringbuffer for kernel 4.12
128 * Fix: update sched instrumentation for kernel 4.12
129 * Fix: ext3 was completely removed from the kernel in v4.3
130 * Fix: NULL pointer dereference of THIS_MODULE with built-in modules
131 * Fix: add "flush empty" ioctl for stream intersection
132 * Revert "Fix: flush empty packets on snapshot channel"
133 * Revert "Fix: don't perform extra flush on metadata channel"
135 2017-05-05 (International Tuba Day) LTTng modules 2.10.0-rc1
136 * Fix: remove CONFIG_KALLSYMS_ALL warning on clean
137 * Add RING_BUFFER_SNAPSHOT_SAMPLE_POSITIONS command
138 * Fix: Always build vmscan probe
139 * Cleanup: formatting in strutils_star_glob_match explanation
140 * Fix: introduce LTTNG_SIZE_MAX for older kernels
141 * Use SIZE_MAX instead of -1ULL for size_t parameter
142 * filter: use SIZE_MAX for size_t
143 * Fix: out of bound array access in filter code
144 * Add support for star globbing patterns in event names
145 * Filtering: add support for star-only globbing patterns
146 * Add string utilities
147 * lttng-abi.c: cleanup whitespaces
148 * Fix: use of uninitialized ret value in lttng_abi_open_metadata_stream
149 * Fix: kref changes for kernel 4.11
150 * Fix: atomic_add_unless() returns true/false rather than prior value
151 * Fix: timers cputime_t arguments replaced by ull in kernel 4.11
152 * Fix: update scsi instrumentation for kernel 4.11
153 * Fix: changes to the vm_op fault cb prototype in libringbuffer
154 * Fix: update btrfs instrumentation for kernel 4.11
155 * Fix: update mm_vmscan instrumentation for kernel 4.11
156 * Fix: section mismatch warning caused by __exit annotation
157 * socketpair: extend syscall socketpair tracing information
158 * Remove events/mainline unused headers
159 * update event README
160 * Fix: nmi-safe clock on 32-bit systems
161 * Fix: only include linux/cpuhotplug.h for kernels >= 4.10
162 * Fix: 4.10 hotplug adaptation backward compat
163 * Fix: 4.10 btrfs instrumentation update backward compat
164 * Update btrfs instrumentation for 4.10 kernel
165 * Adapt lttng-modules to Linux 4.10 cpu hotplug state machine
166 * btrfs instrumentation: update to 4.10 kernel
167 * timer instrumentation: adapt to ktime_t without union
168 * Add load/unload messages to kernel log
169 * Update version to 2.10.0-pre
170 * Fix: asoc instrumentation for RHEL 7.3
171 * Fix: SCSI instrumentation for SLES12 SP2
172 * Add SUSE Linux Enterprise kernel version tests
173 * Filter code relicensing to MIT license
174 * Add task cpu in process statedump
175 * Performance: add missing unlikely in reserve
176 * Fix: preemptible and migratable context error handling
177 * Fix: bump stable kernel version ranges for clock work-around
179 2016-10-07 (National Frappé Day) LTTng modules 2.9.0-rc1
180 * Fix: i2c: support kernels < 3.15
181 * Fix: show warning for broken clock work-around
182 * Bump minor ABI version
183 * Fix: work-around upstream Linux timekeeping bug
184 * Add support for i2c tracepoints
185 * Cleanup: makefile version checks with single "ge"
186 * Performance: special-case NULL in lttng_strlen_user_inatomic
187 * Fix: lttng_inline_memcpy does not take a __user argument
188 * Performance: implement lttng_inline_memcpy
189 * Performance: cache the backend pages pointer in context
190 * Cleanup: libringbuffer: remove duplicate pointer chasing in slow paths
191 * Performance: Only dereference commit index once
192 * Performance: Mark channel and buffer event disabled check unlikely
193 * Performance: Relax atomicity constraints for crash handling
194 * Performance: mark ring buffer do_copy callers always inline
195 * Performance: mark lib_ring_buffer_write always inline
196 * Kconfig: select TRACEPOINTS when built-in
197 * Performance: disable event counting by default
198 * Fix: handle large number of pages or subbuffers per buffer
199 * Fix: unregister cpu hotplug notifier on buffer alloc error
200 * Fix: sa_family is of type unsigned short
201 * Fix: check for sizeof sa_family to save sa_family in accept and connect
202 * Fix: use printk_once() for wrapper warning messages
203 * Fix: btrfs instrumentation for 4.8 kernel
204 * Fix: update mm_vmscan instrumentation for kernel 4.8
205 * Fix: napi instrumentation for 4.8 kernels
206 * Fix: update block instrumentation to compile on 4.8 kernels
207 * Cleanup: reuse code in accept() and accept4() instrumentation
208 * Add x86-64 override for accept4 syscall
209 * Fix: timer wrapper: support kernels >= 4.8
210 * Performance: split check deliver fast/slow paths
211 * Fix: x86-64 accept instrumentation
212 * Fix: Add support for 4.6.4-rt8 kernel
213 * Fix: update scsi instrumentation for 4.7+ kernels
214 * Fix: Use fs_initcall instead of rootfs_initcall
215 * Fix: Add kernel configuration for lttng clock plugin
216 * Fix: the clock plugin must be initiated before first use of the clock
217 * Fix: tests/Kbuild for older kernels
218 * Cleanup: __dynamic_len_idx set but not used warning
219 * Cleanup: coding style and comments of net.h
220 * net: Add TCP header data to net_* tracepoints
221 * net: Add IPv4/IPv6 header data to net_* tracepoints
222 * Fix: endianness for the container type of enum
223 * enumeration autoincrement: use if/else logic
224 * Cleanup trailing whitespaces
225 * lttng-test probe: test ctf_enum_auto()
226 * Add ctf_enum_auto() for autoincrementing enumeration values
227 * Implement session statedump command
228 * Fix: annotate bytecode interpreter for kernel stack validator
229 * Update version to 2.9.0-pre
230 * Fix: ring buffer: honor switch parameter type in remote switch
231 * Fix: only flush non-metadata channels
232 * Fix: don't perform extra flush on metadata channel
233 * select, poll and epoll_wait overrides on ARM 32-bit
234 * Fix: flush empty packets on snapshot channel
235 * Fix: do not generate packet at destroy after stop
236 * Fix: compat ioctl for flush/get metadata version
237 * Fix: ctf_string() should handle NULL pointers
238 * Fix: portability: no arith on void pointer
239 * Fix: add missing tests/Kbuild
240 * Test clock override plugin
241 * Fix: add modules target to base Makefile
242 * Fix: make clean does not include dot-config
243 * Fix: trigger build error if CONFIG_TRACEPOINTS is not set
244 * Documentation: document that CONFIG_MODULES not required when builtin
245 * Fix: add missing errno include in random wrapper
246 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.16.35
247 * Fix: copy_from_user size when limited allocation
248 * Extract the payload of epoll_wait/epoll_pwait
249 * Extract the payload for epoll_ctl
250 * Extract the FDs and flags from poll and ppoll
251 * Extract the FD sets in select and pselect6
252 * Add ctf_integer_bitfield_type
253 * Implement enumeration type
254 * Implement custom field support
255 * Implement variant type
256 * Implement shadow stack for dynamic len
257 * libringbuffer: implement event too big API
258 * Implement structure, compound array/sequence types
259 * Fix: integer endianness metadata generation
260 * Fix: endianness of integers received by filter
261 * Fix: writeback probe on RHEL >= 3.10.0-327.10.1
262 * Fix: RHEL kernel 3.10.0-327.13.1 compat
263 * Fix: ctf_user_integer should not trigger page fault
264 * Fix: lib_ring_buffer_copy_from_user_inatomic error handling
265 * Add comment describing ioctl number duplication
266 * Fix: remove unused gfpflags.h from btrfs and compaction instrumentation
267 * Fix: Remove dead code from filter interpreter
268 * Fix: x86 kvm mmutrace instrumentation for kernel < 3.6
269 * Fix: mm_vmscan instrumentation: remove unused gfpflags.h include
270 * Fix: use of uninitialized ret value in lttng_abi_create_event
271 * Fix: kmem instrumentation: remove unused gfpflags.h include
272 * Fix: 4.6 kernel: use in_compat_syscall
273 * Fix: use BUG_ON instead of accessing array subscript above array bounds
274 * Fix: Add granularity to RHEL kernel version checks
276 2016-03-18 (Awkward Moments Day) LTTng modules 2.8.0-rc1
277 * Bump minor tracer ABI version
278 * Fix: build against out-of-tree kernel build
279 * probes/Kbuild: remove upper level header path
280 * Move leftover relative include paths to system paths
281 * syscall instrumentation: use system headers
282 * tracepoint event instrumentation: use system headers
283 * Use system include path in wrappers
284 * libs: use system include paths
285 * Use system header paths in core implementation files
286 * Use system include paths in root directory headers
287 * Use system include paths in probes
289 * Use system include paths in lttng-types.h
290 * Use system include paths in lttng-tracepoint-event-impl.h
291 * Use system include path in probes/define_trace.h
292 * Use system include paths in probes/lttng-tracepoint-event-impl.h
293 * Rename probes/lttng-events.h to probes/lttng-tracepoint-event-impl.h
294 * Add makefile directory to include path
295 * Fix: event ctx get size should be after chan ctx
296 * Fix: filter interpreter with userspace strings
297 * Fix: rename kvm x86 TRACE_SYSTEM to avoid name clash
298 * Fix: format address fields as hexadecimal
299 * PowerPC-64 ABIv1: add build error if KALLSYMS_ALL is missing
300 * Fix: system call instrumentation overrides
301 * Fix: page_alloc wrapper incorrect parenthesis
302 * Fix: system call tracing for arm-64 compat !CONFIG_UID16
303 * Fix: add struct user_msghdr forward declaration for older kernels
304 * Cleanup: Remove unused lttng-types module
305 * Fix: add missing versions and init call for page_alloc wrapper
306 * Fix: Define lttng-tracer metadata only once
307 * Fix: Add CONFIG_LTTNG to modules_install target
308 * Fix: Use kbuild env instead of a custom var KERNELDIR
309 * Update clock offset comment
310 * clock offset: print negative value in metadata
311 * Fix: handle negative clock offset
312 * Fix: sched instrumentation for 4.1-rt11
313 * Add RT patch version macros
314 * Expect filter context identifiers starting with $ctx.
315 * ARM64: wire up compat system calls
316 * Add support for arm64 syscalls
317 * Fix: Ubuntu kernel range for block_rq_complete
318 * Fix: Ubuntu kernel range for mm_page_alloc_extfrag
319 * Fix: update vmscan instrumentation for kernel 4.5
320 * Fix: check reference counts for overflow
321 * Fix: RHEL 7.2 scsi instrumentation
322 * Fix: RHEL 7.2 kvm instrumentation
323 * Kconfig: describe both module and in-kernel compilation options
324 * Add comments and indentation to Makefile
325 * Add support for built-in kernel build
326 * Rename sub makefiles to Kbuild
327 * Cleanup sub makefiles
328 * Make goals configurable with CONFIG_LTTNG
329 * Fix: Use generic raw_irqs_disabled_flags
330 * Fix: Use MAX_RT_PRIO offset in sched_wakeup_template
331 * Fix: update sched instrumentation for kernel 4.4.0
332 * Bump version number for development branch
333 * Fix: interruptible context: reversed logic
334 * Contexts for RT debugging
335 * Fix: instrumentation: v4lv2 missing include
336 * Fix: header size larger than 256 bytes
337 * Instrument x86 page faults
338 * Fix: irq_vectors TRACE_SYSTEM name
339 * Instrument x86_irq_vectors
340 * Fix: tracepoint listing misses last loaded probe
341 * Fix: lttng trace-clock needs to disable preemption
342 * Tracepoint event: add "TP_code_post()"
343 * Implement array and sequence bitfields
344 * Fix: kmem: add mm.h include
345 * Add page frame number (pfn) to kmem page events
346 * Use pfn rather than struct page in ring buffer array
347 * Implement clock plugin support
348 * Command to regenerate the metadata of a session
349 * Fix: writeback instrumentation update for 4.3 Linux kernel
350 * Fix: update sched wakeup instrumentation for 4.3 kernel
351 * Fix: lttng-test build failure for kernels < 3.0
352 * Use 3.18 syscall instrumentation for MIPS32
353 * Update the MIPS32 syscall instrumentation to 3.18
354 * Fix: Move pipe override to the arch specific pointers_override.h
355 * Implement lttng test module
356 * Cleanup: remove logically dead code
357 * Fix: filter validator use after free
358 * Fix: use after free in channel release
359 * Fix: non-enabler events should be disabled by default
360 * Fix: build failure on 2.6.36
361 * Cleanup: split bdi_dirty_ratelimit with ifdef into separate macros
362 * Fix: writeback instrumentation for 4.2 kernels
363 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.18.10
364 * Add stream instance id to the packet header
365 * Add a packet sequence number
366 * Fix: kmem probe with Ubuntu 3.13 kernels
367 * Fix: disable kvm probe if lapic.h isn't found
368 * Fix: timer instrumentation for 4.2 kernels
369 * Fix: ext4 instrumentation for 4.2 kernels
370 * Fix: kvm instrumentation for 4.2 kernels
371 * Fix: allow LTTng to be built within kernel tree
373 2015-07-15 (Pet Fire Safety Day) LTTng modules 2.7.0-rc1
374 * Fix: Building the event list fails on fragmented memory
375 * Fix: use after free on metadata cache reallocation
376 * Fix: version checks for kernel 4.0
377 * Fix: Incorrect Ubuntu kernel patchlevel
378 * Fix: cpu-id context should use int type
379 * Implement cpu-id context
380 * Implement cpu_id context for filtering
381 * Fix: context printk mismatch on error
382 * Cleanup: misleading comment about deferrable timer
384 * Fix: Update kmem event for Ubuntu's 3.16 kernel
385 * Fix: RHEL 7.1 block instrumentation
386 * Fix: add RHEL version macros
387 * Fix: add missing parenthesis in ubuntu version check
388 * Fix: remove regmap instrumentation for kernels < 4.1
389 * Fix: Update kmem event for recent Ubuntu kernel
390 * Fix: missing statedump end event when block device listing available
391 * Fix: don't generate incorrect macros for debian/ubuntu version check
392 * Revert "Fix: build against Ubuntu kernels"
393 * Fix: build against Ubuntu kernels
394 * Add namespace info in sched_fork and statedump
395 * Fix: ext4 instrumentation: flags parameter did not exist prior to 3.11
396 * Fix: printk instrumentation: remove "condition" tracepoints
397 * Fix: regmap build against kernel 4.0 kernel headers
398 * Add mmu_valid_gen field to mmutrace events
399 * Fix: add missing x86 mmutrace kernel header include
400 * Fix: x86 mmutrace event extra field for kernels >= 3.11
401 * Fix: remove execute flag from kvm.h file
402 * Fix: build x86 kvm probes on kernels >= 4.1-rc1
403 * Fix: compilation on 4.1-rc1 kernel, remove unused WB_WORK_REASON
404 * Fix: 4.1-rc1 Linux build and regmap instrumentation
405 * Fix: don't clash with older Debian kernel versions
406 * Fix: update get_pfnblock_flags_mask wrapper for debian kernels
407 * Fix: discover Debian API
408 * Fix: Update README.md to match reality: kernels >= 2.6.36 are supported
409 * Fix: atomic.h wrapper for kernels < 2.6.37
410 * Fix: disable x86 kvm instrumentation for kernels < 2.6.38
411 * Fix: add missing types.h include for older kernels
412 * Fix: add hlist lttng wrappers
413 * Fix: add struct file_handle forward declaration
414 * Fix: string length calculation reversed user vs kernel args
415 * Fix: use lttng_rcu_dereference within lttng-syscalls.c
416 * Fix: add lttng rcu wrapper to allow tracing RCU
417 * Fix: double-unlock of session mutex
418 * Fix: check that class and instance prototype match
419 * Fix: lttng-events.h check function takes void
420 * Fix: regmap instrumentation for Linux 3.19.4 and 4.0
421 * Fix: kernels >= 2.6.33 put utsrelease.h in generated/
422 * Fix: Include utsrelease.h in lttng-kernel-version.h
423 * Fix: ext4 ext4_da_write_pages instrumentation for kernels < 3.11.0
424 * Fix: old kernels need module.h included before vermagic.h
425 * Fix: net instrumentation for kernels 2.6.39 and below
426 * Fix: version condition in makefile
427 * Implement wrapper around get_pfnblock_flags_mask
428 * Be more restrictive in provider name check
429 * Fix: net instrumentation namespacing
430 * Fix: compaction instrumentation namespacing
431 * Fix: Support 4.x kernel versions in Makefile
432 * Fix: remove stale TP_STRUCT_entry from kvm instrumentation
433 * Fix: add missing module.h include to lttng-probe-user.c
434 * Fix: use lttng hlist wrapper in wildcard and filter
435 * Fix: namespace asoc and kmem instrumentation
436 * Fix: update instrumentation after wildcard rebase
437 * Fix: lttng_abi_syscall_list does not need to be exported
438 * Migrate ARM, powerpc, MIPS syscall instrumentation to TP_FIELDS
439 * Remove now unused syscalls.h from lttng-modules
440 * Filter: start with enabler "disabled"
441 * Fix coverity warning about sizeof(void **) != sizeof(void *)
442 * Fix length type and text sequence base
443 * Fix: TP_FIELDS: add missing headers
444 * Migrate syscall instrumentation to TP_FIELDS
445 * Migrate tracepoint instrumentation to TP_FIELDS
446 * Implement filtering infrastructure
447 * syscall wildcards: apply syscall filtering
448 * Implement syscall wildcard support
449 * Implement tracepoint wildcard support
450 * Namespace all tracepoints
451 * Implement list.h wrapper for hlist in older kernels
452 * Implement listing of pid tracker content
453 * Implement PID tracking
454 * Fix: mm_page_alloc_extfrag instrumentation for kernel 3.14.36
455 * Fix: update writeback instrumentation for kernel 4.0+
456 * Fix: compaction mm_compaction_isolate_template update for Linux 4.0+
457 * Fix: kmem instrumentation update for mm_page_alloc_extfrag kernel 3.19.2+
458 * Fix: kmem instrumentation: mm_page_alloc extfrag change_ownership field
459 * Fix: missing parenthesis in offset_align_floor
460 * Fix: implement time.h wrapper for FD_ISSET
461 * Fix: update sched instrumentation for 3.19+ kernels
462 * Fix: update rcu instrumentation for 3.19+ kernels
463 * Fix: update scsi instrumentation for 3.19+ kernels
464 * Fix: update module instrumentation for 3.19+ kernels
465 * Fix: Add f_dentry wrapper for 3.19+ kernels
466 * Fix: introduce lttng_get_unused_fd() wrapper for 3.19 kernels
467 * Fix: lttng_this_cpu_ptr wrapper for kernel 3.19+
468 * Fix: Update btrfs instrumentation for 3.18 Linux kernel
469 * Fix compile error on kernel 3.0.101 with CONFIG_PERF_EVENTS
470 * Conditional compilation introduced by lttng-modules commit
471 * Fix: compaction instrumentation update for 3.14.x stable kernels
472 * Fix: context alignment not properly handled
473 * Fix compilation on Linux kernel >= 3.18.0
474 * Fix: build for architectures without HAVE_SYSCALL_TRACEPOINTS
476 2014-10-20 LTTng modules 2.6.0-rc1
477 * Expose lttng-modules ABI version ioctl
478 * Fix: syscall list ioctl number conflict
479 * lttng-modules: fix build for non-x86
480 * Fix: syscall listing of session
481 * Print build warning when writeback probe is disabled
482 * Add atomic.h wrapper for before/after atomic
483 * Fix compilation on Ubuntu 14.10
484 * Fix: export name as text array in writeback
485 * Cleanup: remove unused trace_clock_read32()
486 * Use 3.17 ktime_get_mono_fast_ns() new API
487 * Check for stale version.h files
488 * Fix: compile lttng_statedump_process_ns on Ubuntu
489 * Reverse version check logic in lttng_statedump_process_ns
490 * Fix block_rq_complete TP on Ubuntu kernel
491 * Introduce macros to check Ubuntu kernel version
492 * Sync writeback tracepoints from mainline
493 * Fix: redefinition of DEFINE_WRITEBACK_EVENT
494 * Fix: hander negative get_syscall_nr return value
495 * Fix: statedump: close_on_exec flag backward compat
496 * Fix instrumentation of vmscan for older kernels
497 * Fix: older kernels (3.2.x) don't undefine TRACE_SYSTEM
498 * Fix: syscall listing: handle "enable all syscall"
499 * Fix: don't allow disabling syscalls when none are enabled
500 * Fix: syscall: fail disable all if all already disabled
501 * Fix: syscall filtering: NULL pointer deref
502 * Cleanup: list syscall without syscall_entry prefix
503 * Fix: syscall_list_show NULL pointer deref
504 * implement syscall mask getter
505 * Cleanup: lttng-abi.h coding style
506 * syscall listing: show syscall ID
507 * Allow events with same name to be enabled for each channel
508 * ABI: use enable a syscall ABI field name
509 * Implement syscall listing
510 * Fix: tracepoint list anonymous file name
511 * Fix: syscall filtering: disable all syscalls
512 * syscall tracing: input/output parameter handling for all arch
513 * lttng-get-syscall-inout.sh depends on bash
514 * Fix generate syscall header script: add missing escape char
515 * syscall instrumentation: handle copy_from_user return value
516 * Rename LTTng syscall instrumentation macros
517 * Rename LTTng instrumentation macros
518 * Extract input/output arguments from accept and connect syscalls
519 * syscall: extract pipe and pipe2 output args
520 * Remove sys_ prefix from syscall names
521 * System call inout/output arg processing
522 * Update syscall inout table
523 * Add syscall inout table
524 * Extract syscall exit ret value on x86 32/64
525 * Extract system call exit return value
526 * Syscall filtering: apply to syscall exit
527 * System call filtering
528 * asoc.h: fix build with v3.17 kernel
529 * Fix: lttng-modules teardown NULL pointer OOPS
530 * Fix: handle concurrent flush vs get_next_subbuf on metadata cache
531 * Modernize README using Markdown
532 * Fix: OOT lttng_logger tracepoint not visible with signed kernels
533 * Add cscope to gitignore
534 * Update kvm instrumentation: compile on 3.17-rc1
535 * Update statedump to 3.17 nsproxy locking
536 * Fix: noargs probes should calculate alignment and event length
537 * Update compaction instrumentation to 3.16 kernel
538 * Update vmscan instrumentation to 3.16 kernel
540 2014-07-16 (Take Your Poet to Work Day) LTTng modules 2.5.0
543 2014-06-27 LTTng modules 2.5.0-rc2
544 * Fix: statedump: check whether "files" is NULL, RCU semantic fix
545 * Fix: statedump handle oom case, handle errors
546 * Fix: correct typo in kernel version number
547 * Fix: blktrace instrumentation for backported branches
548 * Fix: statedump block devices OOPS
550 2014-05-28 (International Hamburger Day) LTTng modules 2.5.0-rc1
551 * Add TID field to some block_* events
552 * Fix: refuse overwrite mode buffers with less than two subbuffers
553 * Fix: lttng modules system call generation script
554 * Dump FD flags and mode on state dump
555 * Fix: incorrect rwbs field type in block_bio_queue
556 * Fix: blktrace instrumentation for v3.2.58+ stable branch
557 * Fix: pass proper args when writing commit counter
558 * Cleanup: lib ringbuffer: pagecpy has unsigned semantic
559 * Fix: allow racy tracepoint string input from kernel and userspace
560 * Statedump event for block devices
561 * Fix: update v4l2 instrumentation to 3.15 kernel
562 * Fix: ext4 update instrumentation to 3.15 kernel
563 * Fix: update block instrumentation to 3.15 kernel
564 * Fix: module instrumentation: update to 3.15 kernel
565 * Adapt to 3.15 tracepoint API
566 * Kernel 3.15 don't define map unmap for pipe
567 * Fix: add missing module version in v4l2 probe
568 * Add V4L2 instrumentation
569 * Fix: rcu instrumentation: add const qualifier to char pointers
570 * Fix: add missing module version information
571 * Use kernel 3.13 syscall tables for MIPS32
572 * Add MIPS32 syscalls extracted from a 3.13 kernel
573 * Fix: block instrumentation: < 3.14 don't have bi_iter
574 * Fix: update btrfs instrumentation to kernel 3.14
575 * Fix: update block layer instrumentation to kernel 3.14
576 * Fix: remove __exit annotation
577 * Fix file permissions for lttng-statedump-impl.c
580 2014-02-28 (Public Sleeping Day) LTTng modules 2.4.0
581 * Fix: load state dump even if work-around lookup fails
582 * Cleanup: fix comment
583 * Fix: correctly version kvm events to build against v3.0 kernel
584 * Add extraversion (e.g. -rc4) to lttng-tracer modinfo
586 2014-02-14 LTTng modules 2.4.0-rc4
587 * Fix: use after free in ring buffer clients
588 * Fix: Add statedump exit so module is not permanent
589 * Cleanup: move callback init to static initialization
590 * Fix: OOT lttng-statedump tracepoints not visible with signed kernels
592 2014-01-29 LTTng modules 2.4.0-rc3
593 * Fix: tracepoint event name mapping at unregister
594 * Fix: tracepoint name remapping
595 * Fix: enable event error path memory corruption
596 * Update kvm instrumentation to Linux 3.13
597 * Update sched instrumentation to Linux 3.13
598 * Fix: provide more precise error report for enable event
599 * Fix: quote event name in metadata
600 * Add version info to lttng-tracer.ko modinfo
602 2013-12-10 LTTng modules 2.4.0-rc2
603 * Fix: client_packet_header() uses wrong packet
604 * Cleanup: fix typo in ring buffer backend comment
605 * Fix: handle unknown event type parameter
606 * Fix: eliminate timestamp overlap between packets
607 * gcc blacklist: only apply when building with gcc
608 * Blacklist ARM gcc 4.8.0, 4.8.1, 4.8.2
610 2013-11-15 LTTng modules 2.4.0-rc1
611 * Update ext4 instrumentation to Linux 3.12
612 * Update RCU instrumentation to Linux 3.12
613 * Update btrfs instrumentation to 3.12 kernel
614 * Update vmscan instrumentation to Linux 3.12
615 * update: kmem instrumentation 3.12 kernel support
616 * lttng-statedump-impl: Use generic hard irqs for Linux >= 3.12
617 * lttng-statedump-impl: Fix lttng_list_interrupts for empty implementation
618 * Import fix from LTSI: 3.4+ RT kernels use CONFIG_PREEMPT_RT_FULL
619 * Add new tracepoint in KVM
620 * Blacklist kernels 3.10.13 and 3.11.2
621 * LTTng trace-clock: shrink kernel blacklist
622 * Metadata flush writes data from the cache
623 * Per-stream ioctl to get the current timestamp
624 * LTTng ringbuffer ABI calls for index generation
625 * Prepare LTTng override of ring buffer fops
626 * Blacklist Linux kernels 3.10+
628 2013-09-03 LTTng modules 2.3.0
629 * Fix: metadata stream should not reference session
630 * Fix: btrfs: support 3.11 Linux kernel
631 * statedump: remove KERN_DEBUG messages
632 * Fix: ext4: add missing tracepoints for 3.11 kernel
633 * Fix: ext4: Linux 3.11 support
634 * Fix: ext3: 3.11 Linux support
635 * Fix: statedump nsproxy 3.11 Linux support
637 2013-08-30 LTTng modules 2.3.0-rc2
638 * Fix: metadata lttng channel refcount
639 * README: lttng-modules incompatible with lttng 0.x patchset
641 2013-07-17 LTTng modules 2.3.0-rc1
642 * Fix: kvm x86 probes side-effect
643 * Fix: allow get/put subbuf in loop for metadata stream
644 * Add support for kvm x86 specific tracepoints
645 * Add mainline headers for kvm x86 tracepoints
646 * Remove old 3.0.4 x86-64 extracted syscall info
647 * Point the x86-64 overrides to newly extracted 3.10-rc7 files
648 * Add syscalls extracted files from a 3.10-rc7 kernel
649 * Improve documentation of the syscall extractor script
650 * Fix: double length of __dynamic_len array
651 * Fix printk instrumentation
652 * Introduce __dynamic_array_enc_ext_2() and tp_memcpy_dyn_2()
653 * Fix: ring buffer: get_subbuf() checks should be performed on "consumed" parameter
654 * Fix: SWITCH_FLUSH new sub-buffer checks
655 * Fix: ring buffer: handle concurrent update in nested buffer wrap around check
656 * Cleanup: lib_ring_buffer_switch_new_end() only calls subbuffer_set_data_size()
657 * Revert "Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()"
658 * Fix: handle writes of length 0
659 * Fix: ring buffer: RING_BUFFER_FLUSH ioctl buffer corruption
660 * Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()
661 * print warning and return -EBUSY on double get_subbuf()
662 * Add header to fix compilation of syscalls-extractor on 3.9 kernel
663 * Fix: don't do 0 byte event reservation
664 * Document that payload size need to be greater than 0
665 * Fix build and load against linux-2.6.33.x
666 * Fix: add missing CONFIG_COMPAT around lib_ring_buffer_compat_ioctl
667 * Metadata cache and multiple metadata channels
668 * fix block instrumentation probe signature mismatch for 3.9.x kernels
669 * fix: block instrumentation: NULL pointer dereference
670 * Update rcu instrumentation to 3.9.[0-4]
671 * Fix CPU hotplug section mismatches
672 * Add system calls definitions for powerpc-32
673 * Remove bashism in lttng-syscalls-generate-headers.sh
674 * Update ARM (32 bit) syscall tracepoints to 3.4
676 2013-05-09 LTTng modules 2.2.0-rc2
677 * Remove useless lttng_metadata probe
678 * Fix: warning kvm_trace_exit_reason redefined for 3.9 kernel
679 * Fix: 3.9.0 block layer instrumentation build
680 * Revert "Stop build if CONFIG_TRACEPOINTS is not set"
681 * Stop build if CONFIG_TRACEPOINTS is not set
682 * Add comments to endifs.
683 * Fix: remove ARM set_tls system call override
684 * Cleanup: arm sys_mmap whitespace
685 * Clean up using global_dirty_limit wrapper for writeback probe
687 2013-03-29 LTTng modules 2.2.0-rc1
689 * Fix: vmscan instrumentation build
690 * writeback instrumentation: remove duplicated structures
691 * block: update instrumentation to 3.9 rc kernel
692 * rcu: update to 3.9 rc kernel instrumentation
693 * workqueue instrumentation: remove duplicated structures
694 * Rename odd event names
695 * Introduce API to remap event names exposed by LTTng
696 * lttng-module: sched.h: Fix compilation on 3.9 kernel
697 * Fix Linux 3.8 btrfs probe warning
698 * Fix Linux 3.8 ext4 probe support
699 * Fix 3.8 kernel support: namespace lttng_is_signed_type()
700 * Fix: don't flush-final for offset 0 if reader is on sub-buffer
701 * instrumentation sched: add missing fork pid info
702 * Fix check in lttng_strlen_user_inatomic
703 * instrumentation: sync with Linux commit a1ce392
704 * Fix: statedump: missing locking, use lttng_iterate_fd
705 * Implement lttng_iterate_fd wrapper
706 * Instrumentation cleanup: kmem events should print hex pointers
707 * Fix compilation of ext4 and btrfs tracepoints on 2.6.40 kernels
708 * Fix: statedump hang/too early completion due to logic error
709 * Fix: statedump hang due to incorrect wait/wakeup use
710 * put_ulong calls in lib_ring_buffer_compat_ioctl() should be compat
711 * wrapper/perf.h: Fix kernel version condition
712 * Add new kernel probes instrumentation
713 * Update kernel probes to more detailed match to kernel versions
714 * Fix possible kernel build errors with linux-patches
715 * Add missing MIT license text to 3 files under this license
716 * Update sites using kernel version checking macro to new range
717 * Make upper bound of kernel version checking macro exclusive
718 * sock instrumentation: fix fields to get referenced values
719 * ext3 instrumentation: fix of assignment code conversion
720 * sched instrumentation: rename "pid" fields in sched_process_exec
721 * Remove remaining semicolons in TP_fast_assign blocks
722 * Fix compilation for 3.0 kernels that are named 2.6.40
723 * Fix compilation for 3.0 branch (>= 3.0.39)
724 * Add kernel version checking macro
725 * Remove semicolons in TP_fast_assign blocks
726 * Add ifdefs to net probe to support Linux 2.6.39
727 * Add kernel probes for supplementary subsystems
728 * Check if interrupt action name is not null in statedump
729 * Fix exec instrumentation: only for kernels 3.4.0 and higher
730 * Add TRACE_EVENT(sched_process_exec) to sched.h
731 * lib/ringbuffer/frontend_api.h: Include linux/prefetch.h.
732 * Fix warning with 3.6.0 kernel
733 * ABI with support for compat 32/64 bits
734 * Perform calculation on bit size in 64-bit
735 * Use uint64_t for packet header content size and packet size
736 * Fix: compat layer only on supported architectures
737 * Fix ring buffer 32/64 bits compat
738 * Fix cleanup: move lttng-tracer-core.h include to lib ringbuffer config.h
739 * Fix ring_buffer_frontend.c: missing include lttng-tracer-core.h
740 * Fix: statedump missing check for NULL namespace
742 2012-09-10 LTTng modules 2.1.0-rc1
743 * fix timestamps on architectures without CONFIG_KTIME_SCALAR
744 * Support for linux kernels 2.6.32 through 2.6.37
745 * Document limitation of vppid and ppid context wrt eventual RCU instrumentation
746 * Cleanup: no need to hold RCU read-side lock when reading current nsproxy
747 * Add env hostname information
748 * Fix: lttng_statedump_process_state for each PID NS has infinite loop
749 * lttng_statedump_process_state for each PID NS
750 * Support the hostname context
751 * Fix: statedump namespaced pid, tid and ppid
752 * Fix: statedump: disable vm maps enumeration
753 * Fix: ensure userspace accesses are done with _inatomic
754 * Fix: vppid context should test for current nsproxy
755 * Add MIPS system call support
756 * Change mode of lttng-syscalls-generate-headers.sh to 755
757 * cleanup: fix typo in syscall instrumentation header
758 * Cleanup: remove trailing whitespace in README
759 * trace event: introduce TP_MODULE_NOAUTOLOAD and TP_MODULE_NOINIT
760 * LTTng: probe-statedump: add #include <linux/sched.h>
761 * fix: signal_generate event should print utf8 for comm field
762 * Makes write operation a parameter for tp_memcpy macro
763 * Add coding style document
764 * Update instrumentation/events README file
765 * Add makefile target for preprocessor
766 * Fix: free_event_id check should compare unsigned int with -1U
767 * Use unsigned long type for events discarded counter
768 * Fix: update signal instrumentation for 3.4 kernel
769 * LTTng Modules ARM syscall instrumentation
770 * Fix: generate header missing echo -e for escape chars
771 * Fix: add missing uaccess.h include (for ARM)
772 * README: Document that CONFIG_MODULES is required
774 * Fix: document required and optional kernel config options in README
776 2012-03-29 LTTng modules 2.0.1
777 * Fix: is_compat_task !CONFIG_COMPAT compile error on kernels >= 3.3
779 2012-03-20 LTTng modules 2.0.0
780 * First STABLE version
783 2012-03-20 LTTng modules 2.0.0-rc4
784 * Update README and add version name place-holder
786 2012-03-16 LTTng modules 2.0.0-rc3
787 * Fix clock offset 32-bit multiplication overflow
788 * Fix : wrong assign of fd in state dump
789 * License cleanup, ifdef namespace cleanup
790 * Fix: ensure power of 2 check handles 64-bit size_t entirely
792 2012-03-02 LTTng modules 2.0.0-rc2
793 * Fix: dmesg printout should not print metadata warnings
794 * Fix: use transport name as channel name
795 * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_subbuf
797 2012-02-20 LTTng modules 2.0.0-rc1
798 * Standardize version across toolchain
799 * statedump: Use old macro name for kernel 2.6.38
801 2012-02-16 LTTng modules 2.0-pre15
802 * Add timer instrumentation
803 * fix: need to undef mainline define
804 * fix: Include signal.h instead of irq.h for prototype match check
805 * Add signal instrumentation
807 2012-02-16 LTTng modules 2.0-pre14
808 * syscall tracing: sys_getcpu
809 * Add sys_clone x86 instrumentation
810 * statedump: fix include circular dep
811 * Implement state dump
813 2012-02-09 LTTng modules 2.0-pre13
815 * environment: write sysname, release, version, domain to metadata
816 * Allow open /proc/lttng for read & write
818 2012-02-02 LTTng modules 2.0-pre12
819 * Add x86 32/64 execve syscall instrumentation override
820 * Remove unused defines
822 * Use LTTNG_KERNEL_SYM_NAME_LEN
823 * Update version to 1.9.9
824 * Add missing double-quotes to clock uuid
825 * clock: read bootid as clock monotonic ID
828 * clock: output clock description in metadata
829 * Properly fix the timekeeping overflow detection
831 * rename lib-ring-buffer to lttng-lib-ring-buffer
833 * Mass rename: ltt_*/ltt-* to LTTNG_*/LTTNG-*
836 * Remove debugfs file (keep only proc file)
837 * Rename lttng-debugfs-abi files to lttng-abi
839 2011-12-13 LTTng modules 2.0-pre11
840 * Fix OOPS caused by reference of config pointer
841 * Gather detailed info from x86 64 32-bit compat syscall instrumentation
842 * lttng lib: ring buffer move null pointer check to open
843 * lttng lib: ring buffer remove duplicate null pointer
844 * lttng lib: ring buffer: remove stale null-pointer
845 * lttng wrapper: add missing include to kallsyms wrapper
846 * lttng: cleanup one-bit signed bitfields
848 * Update symbol name length max size to 256
849 * Fix last modifications to string_from_user operations
850 * Document that depmod needs to be executed by hand
851 * Fix strlen_user fault space reservation
852 * Fix tp_copy_string_from_user handling of faults
853 * Disable block layer tracing support for kernels < 2.6.38
854 * lttng context: perf counter, fix 32-bit vs 64-bit field size bug
855 * Update trace clock warning to match the current development plan
856 * ringbuffer: make ring buffer printk less verbose
857 * Makefile: do not run depmod manually
859 2011-09-30 LTTng modules 2.0-pre10
860 * x86-32: override sys_mmap syscall instrumentation
863 2011-09-29 LTTng modules 2.0-pre9
864 * x86 32 syscalls: fix !CONFIG_UID16
865 * Use __string_from_user
866 * Add __string_from_user
867 * Rename "comm" context to "procname"
868 * Fetch "type" name field for mount syscall
869 * Create common override file for all architectures
870 * Shrink stack size usage
871 * Cleanup: remove unused lttng-compat-syscalls.c file
872 * Support detailed compat syscalls on x86_64
874 * Add disabled compat syscalls detail (work in progress)
875 * Add config compat support for detailed x86_32 syscalls
876 * Handle newer 3.1+ perf API
877 * Add dummy x86-32 override headers
878 * Bind x86-32 syscall headers
879 * Add x86-32 syscall headers
880 * Add check for KALLSYMS_ALL in syscall extraction script
881 * Automate string extraction for syscalls
882 * Automate syscall filename/pathname extraction
883 * Add exit to ring_buffer_frontend so module is unloadable
884 * Add sys_open filename (x86_64)
885 * Add missing memcpy callback
886 * copy_from_user and memset
887 * Add missing alignment after header write
888 * lib ring buffer: add frontend init as module_init
889 * lib ring buffer frontend: add missing lock initialization
890 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address (missing file)
891 * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address
892 * Create override for sys_mmap
893 * Rename syscalls -> syscall in LTTng ABI
894 * Use different event name for compat syscalls
895 * Allow trace syscall table override
896 * Add dummy override files
897 * syscall detail: add override capability
898 * Add pointer pretty-print heuristics
900 * Rename sys exit errno into ret
901 * Enable detailed syscalls only for native x86_64
902 * Use "unknown" for compat syscalls
903 * Disable x86-64 specific detailed syscalls for now, until we deal with 32-bit compat
906 * Only enable detailed syscalls for x86_64 for now
907 * Merge unknown syscall method with extended detail method
908 * Add underscore prefix before event names
909 * Add syscalls pointers detailed syscall tracing
910 * Use perl for regexp
911 * Support generation of syscall probes for those with pointers
912 * Support detailed syscalls with 0 arguments
913 * detailed syscall tracing (work in progress)
914 * Expose /proc/lttng file
915 * Implement detailed syscall event probe
916 * Disable perf build for < 2.6.33 kernels
917 * Syscall detail mode: generate syscall table
918 * block instrumentation: write cmd as hex sequence
919 * lttng-events TRACE_EVENT generator cleanup
920 * block layer instrumentation: fix cmd field
921 * Remove 0 args syscalls for now from type-aware syscall cb generator
922 * Generate trace syscall table macros
923 * Put syscall tracing without arg types back in place
924 * Detailed system call tracing (TRACE_EVENT() generation for integer support)
925 * lttng events probes: don't clash with "ctx" variable name
926 * lib ring buffer must take private pointer copy before decrementing refcount
928 2011-08-16 LTTng modules 2.0-pre8
929 * Fix metadata buffer wait/wakeup
931 2011-08-12 LTTng modules 2.0-pre7
932 * Add missing module refcount to lttng_tracepoint_list_fops
933 * Add license info about lib/ringbuffer/ring_buffer_mmap.c being GPLv2
projects / lttng-modules.git / blob