Version 2.12.5
[lttng-ust.git] / ChangeLog
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dd234c98
MD
12022-06-03 (National Repeat Day) (National Repeat Day) lttng-ust 2.12.5
2 * Document ust lock async-signal-safety
3 * Fix: don't use strerror() from ust lock nocheck
4 * Fix: remove non-async-signal-safe fflush from ERR()
5 * Fix: statedump: invalid read during iter_end
6 * Fix: bytecode interpreter context_get_index() leaves byte order uninitialized
7
fd46f5c7
MD
82022-03-25 (National Waffle Day) lttng-ust 2.12.4
9 * fix: __STDC_VERSION__ can be undefined in C++
10 * Fix: concurrent exec(2) file descriptor leak
11 * Add 'domain' parameter to the Log4j 2.x agent
12 * fix: Convert custom loglevels in Log4j 2.x agent
13 * fix: coverity reported null returns in Log4j2 agent
14 * Add a Log4j 2.x Java agent
15
2f14557f
MD
162022-01-05 (National Bird Day) lttng-ust 2.12.3
17 * Fix: ust-cancelstate: include string.h for strerror
18 * Fix: lttng-ust-fd: remove lttng_ust_common_ctor call
19 * Fix: nestable pthread cancelstate
20 * Fix: abort on decrement_sem_count during concurrent tracing start and teardown
21 * fix: liblttng-ust-fd async-signal-safe close()
22 * Set git-review branch to stable-2.12
23 * fix: link benchmark with pthread
24 * Fix: liblttng-ust-ctl have dependencies on liburcu
25 * Fix: add extern "C" to two header files
26
b7f2d48c
MD
272021-05-15 (National Dance Like a Chicken Day) lttng-ust 2.12.2
28 * tests: benchmark: improve benchmark scalability accuracy
29 * tests: benchmark: use cpu-bound workload, calculate average and std.dev.
30 * tests: improve benchmark script
31 * compiler warning cleanup: is_signed_type: compare -1 to 1
32 * Fix: properly compare type enumeration
33 * fix: use the configured cmake binary
34 * Fix: bytecode linker: validate event and field array/sequence encoding
35 * fix: unix socket peercred on FreeBSD
36 * Fix: uninitialized variable in lib_ring_buffer_channel_switch_timer_start
37 * Fix: Use unix socket peercred for pid, uid, gid credentials
38 * Fix: stream fd leaks on error
39 * Fix: channel leak on error
40 * Fix: lttng_abi_map_channel should be static
41
52cc8487
MD
422021-02-17 (Random Act of Kindness Day) lttng-ust 2.12.1
43 * Fix: Use default visibility for tracepoint provider symbol
44 * Fix: configure: support Autoconf 2.70
45 * Fix: ust-tracepoint: make sure to expand tracepoint provider token
46 * Fix: ustctl_release_object: eliminate double-close/free on error
47 * tests: return the proper TAP exit code
48 * Fix: python agent: 'time' has no attribute 'clock'
49 * Fix: libc-wrapper: undef temporary token rather than value
50 * Fix: support compile units including 'sys/sdt.h' without defining SDT_USE_VARIADIC
51 * Fix: event probes attached before event enabled
52 * Fix: agent: read: end of loop condition should exclude 0
53 * fix: Java examples CLASSPATH override
54 * Add missing files to .gitignore
55 * fix: Add CLASSPATH to autoconf precious variables
56 * Fix: Java agent: close session daemon socket on error
57 * Fix: Java agent: handle partial payload read
58 * Fix: namespace contexts !CONFIG_RCU_TLS variable initialization
59
664bf5c2
MD
602020-04-08 (The Day After National Beer Day) lttng-ust 2.12.0
61 * (no change)
62
965cd4aa
MD
632020-03-27 (International Stay At Home Month) lttng-ust 2.12.0-rc3
64 * Fix: v.u.d might be uninitialized
65
b52a9106
MD
662020-03-04 (National Grammar Day) lttng-ust 2.12.0-rc2
67 * Fix: set FD_CLOEXEC on incoming FDs.
68 * Fix: tracepoint.h: Disable address sanitizer on pointer array section variables
69 * Fix: jhash.h: remove out-of-bound reads
70 * Cleanup: remove trailing white spaces across project
71 * Fix: lttng-ust-comm.c: return number of fd rather size of array
72 * liblttng-ust: exit loop early on event enabler match
73 * Add git-review config
74
f2a09ccd
MD
752020-02-05 (National Weatherperson's Day) lttng-ust 2.12.0-rc1
76 * Fix: build with -fno-common
77 * Bump LTTNG_UST_ABI_MINOR_VERSION to 1
78 * lttng-clear: stop tracing required
79 * doc: fix build failure due to wrong whitespace character
80 * doc: reformat long lines in doc/examples/Makefile.am
81 * doc: pass AR when building examples
82 * Require automake >= 1.12
83 * Add procname to lttng_ust_statedump information
84 * Docs: LTTNG-UST(3): missing references to some namespace man pages
85 * Set version to 2.12-pre
86 * Add pkgconfig support for liblttng-ust-ctl
87 * Fix: uninitialized variable in lib_ring_buffer_reserve_committed
88 * Fix: document proper liburcu version dependency
89 * Fix: Add missing files to distribution
90 * Add userspace vuid/vgid contexts
91 * Add userspace namespace contexts
92 * Fix: lttng perf counter deadlock
93 * Revert "Fix: fd tracker: do not allow signal handlers to close lttng-ust FDs"
94 * Fix: fd tracker: do not allow signal handlers to close lttng-ust FDs
95 * Fix: fd tracker: provide async-signal-safety for close wrapper
96 * Fix: Disable cancellation around fd tracker lock
97 * Fix: Lock FD tracker across fork
98 * doc/man: include build version in GitHub links
99 * Check if the AR environment variable exists for cross compilation
100 * ustctl: Implement ring buffer clear
101 * Make bitfield.h C++-friendly
102 * Fix: don't wait for initial statedump when 0 session active
103 * Fix: wait for initial statedump before proceeding to the main program
104 * Use MAP_POPULATE to reduce pagefault when available
105 * Fix: remove uninitialised value
106 * Fix: GCC unaligned pointer warnings
107 * Fix: do not use diagnostic pragma when GCC version is lower than 4.6.0
108 * Fix: missing define when not building with gcc
109 * Fix: client_sequence_number may dereference NULL pointer
110 * Fix: namespace our gettid wrapper
111 * Fix: get tid not pid in vtid context
112 * Cleanup: bitfields: streamline use of underscores
113 * Silence compiler "always false comparison" warning
114 * Fix: bitfield: shift undefined/implementation defined behaviors
115 * Fix: Update coding style link
116 * Fix: alignment of ring buffer shm space reservation
117 * Fix: allocate ts_end in ringbuffer shared memory
118 * Fix: timestamp_end field should include all events within sub-buffer
119 * Harmonize rw_prog_cxx_works macro across projects
120 * Update macros from the autoconf archive
121 * ust-ctl API: clarify getter usage requirements
122 * Fix: don't access packet header for stream_id and stream_instance_id getters
123 * Add LTTNG_PACKED ifdefs to validate that it is defined
124 * Report perf integration status at configure
125 * compat: work around broken _SC_NPROCESSORS_CONF on MUSL libc
126 * Code cleanup in contexts
127 * doc: remove repeated word in coding style
128 * tap-driver.sh: flush stdout after each test result
129 * Move wait_shm_mmap initialization to library constructor
130 * Fix: additional compiler barriers for procname context
131 * Fix: procname context async-signal safety
132 * Cleanup vtid/vpid context caches
133 * Cleanup: fix typo 'acces' -> 'access'
134 * Fix: Initialize fd field of struct lttng_ust_elf to -1 at allocation
135 * Cleanup: test Makefiles
136 * Add silent mode to examples Makefiles
137 * Add silent rules support for docs
138 * Use config.h to define SONAME major number
139 * Use a variable to select the dlopen lib in Makefiles
140 * Add hello-many to gitignore
141 * Adapt lttng-ust to use multiflavor symbols from liburcu 0.11
142 * Clarify lib_ring_buffer_switch_slow() requirements
143 * tests: hello-many
144 * Fix: sync event enablers before choosing header type
145 * Fix: address shellcheck warnings/errors in example scripts
146 * Fix: check for event class/instance prototype mismatch
147 * Fix: race between statedump and library destructor
148 * Fix: reset procname on fork in child process
149
d397e38a
MD
1502018-09-06 (Fight Procrastination Day) lttng-ust 2.11.0-rc1
151 * Fix: add missing stdbool.h include
152 * Move symbol preventing unloading of probe providers
153 * Fix: Remove unused line from liblttng-ust-fd makefile
154 * Fix: add liblttng-ust dependency to liblttng-ust-fd
155 * Fix: use LIBDL/LIBC_DL to select either libdl or libc
156 * Fix: lttng filter validator ERANGE error handling
157 * Filter: implement dynamic typing for load object
158 * Filter: add FILTER_OP_RETURN_S64 instruction
159 * Perform bitwise ops on unsigned types
160 * Filter: catch shift undefined behavior
161 * Filter: implement bitwise lshift, rshift, not
162 * Filter: index array, sequences, implement bitwise binary operators
163 * Fix: AM_CONDITIONAL should be outside AS_IF block
164 * Fix: build jni libs with openjdk >= 10
165 * Fix: ustfork: save and restore errno in syscall wrappers
166 * Fix: cache the result of getpid() internally
167 * Fix: reset cached vpid context on fork
168 * Fix: build example SO when PIE is enabled
169 * Fix: string comparison on incorrect length in context provider
170 * Support unloading of probe providers
171 * Rename lttng_ust_enum_get to lttng_ust_enum_get_from_desc
172 * dlopen() liblttng-ust.so from constructor to prevent unloading
173 * Add probe provider unregister function
174 * Cleanup: Move version numbers in separate variables in configure script
175 * Remove duplicate provider name checks
176 * Fix: remove for() loop initial declarations
177 * Use ust_lock during sock_info operations for atomicity against fork
178 * Force tracked fd to be bigger than STDERR_FILENO
179 * Fix: numa: dynamically check that numa is available
180 * Fix: specify SONAME in python-lttngust LoadLibrary
181 * Fix: ensure fd tracker is initialized when called from constructors
182 * Fix: fd of an elf object must be registered to the fd tracker
183 * Cleanup: clock description for metadata was moved to lttng-sessiond
184 * Fix: liblttng-ust-fd.so: override fclose symbol
185 * Revert "Use initial-exec TLS model"
186 * Revert "Fix: typo: DECLARE_URCU_TLS_IE -> DEFINE_URCU_TLS_IE"
187 * configure.ac: add --disable-examples option to not build/install examples
188 * Disable NUMA by default on 32bit arm
189 * Update Makefile.am output about libnuma not found
190 * Update readme to document opt dep on numa
191 * numa support: allow disabling numa support
192 * Update README to document dependency on libnuma
193 * Take NUMA configuration into account for UST buffer allocation
194 * Fix: typo: DECLARE_URCU_TLS_IE -> DEFINE_URCU_TLS_IE
195 * Use initial-exec TLS model
196 * lttng-gen-tp: formatting
197 * Fix: lttng-gen-tp: only replace file extension
198 * Fix: move fsync after ftruncate
199 * Fix: sync buffer file metadata on buffer allocation
200 * lttng-ust(3): reword and fix style of `LTTNG_UST_ALLOW_BLOCKING` variable
201 * lttng-ust(3): specify "If set" instead of "if set to 1" for some variables
202 * Fix: doc/man: use a single XSL file and match local names
203 * Fix: Expand the shmobj size for the sequence number
204 * Introduce LTTNG_UST_ALLOW_BLOCKING env. var.
205 * Fix: lttng-ust-elf.c: define NT_GNU_BUILD_ID if not defined
206 * Calculate context length outside of retry loop
207 * Fix: Quote CMAKE variable assignment in Makefile
208 * Rework configure script
209 * Fix: Typo in doc/examples/Makefile.am
210 * Fix: Don't override user variables within the build system
211 * Move m4 scripts to m4 dir
212 * doc: remove duplicate LTTNG_UST_BLOCKING_RETRY_TIMEOUT man page entry
213
59d82da5
MD
2142017-05-05 (International Tuba Day) lttng-ust 2.10.0-rc1
215 * Clean-up: remove unused variables to silence gcc warning
216 * Add ustctl_snapshot_sample_positions ustctl command
217 * Cleanup: formatting in strutils_star_glob_match explanation
218 * doc/man: add typical `$` and `#` prompts to command lines
219 * Fix: add missing getenv.h include to ustctl.c
220 * Fix: race between lttng-ust getenv() and application setenv()
221 * Use SIZE_MAX instead of -1ULL for size_t parameter
222 * filter: use SIZE_MAX rather than UINT_MAX and tuncating -1ULL
223 * Fix: out of bound array access in filter code
224 * Correctly clean all generated JAR files
225 * Fix: List missing file in Java agent's Makefile
226 * Support generic globbing patterns in the Java agent
227 * Log more information in the Java TCP client
228 * Cleanup: Remove unused import in JUL Java agent
229 * Add support for star globbing patterns in event names
230 * Filtering: add support for star-only globbing patterns
231 * Add string utilities
232 * Fix: (un)install targets of Python agent
233 * Fix: include config.h to resolve HAVE_DLMOPEN
234 * Validate the presence of dlmopen at configure time
235 * Fix: CMake examples integration
236 * doc/examples/Makefile.am: define C and C++ compilers for CMake
237 * lttng-ust(3): document `lttng_ust_loaded` symbol
238 * lttng-ust(3): document `perf:thread:raw:rN:NAME` context
239 * lttng-ust-dl(3): update documentation
240 * lttng-ust(3): document liblttng-ust-fd
241 * doc/man: document the lttng_ust_lib events
242 * doc/man: add full stop to descriptive table cells
243 * doc/man: reorganize source for tables
244 * lttng-ust(3): sort ctf_*() macro parameter definitions
245 * lttng-ust(3): fix alignment and indentation
246 * lttng-ust(3): document new ctf_*() array/sequence network/hex macros
247 * Filter code relicensing to MIT license
248 * Performance: add missing "caa_unlikely" on fast-path
249 * Fix: blocking mode: add missing stdbool.h include
250 * Implement LTTNG_UST_BLOCKING_RETRY_TIMEOUT
251 * Fix: loglevel and model_emf_uri build fix
252 * Fix: loglevel and model_emf_uri with g++ compiled probes
253 * Fix: Out of tree build of liblttng-ust-java
254
e654ae79
MD
2552016-10-07 (National Frappé Day) lttng-ust 2.9.0-rc1
256 * Fix: cmake example with configure based oot build
257 * Fix: perform statedump before replying to sessiond
258 * build: check for CXX_WORKS for cmake example
259 * Implement liblttng-ust-fd
260 * Introduce file descriptor tracker
261 * Fix: honor send timeout on unix socket connect
262 * Fix: perform TLS fixup in all UST entry points from each thread
263 * Fix: build: pass configure flags to cmake example
264 * Performance: implement lttng_inline_memcpy
265 * Performance: mark ring buffer do_copy callers always inline
266 * Performance: cache the backend pages pointer in context
267 * Add ctx_len field to ring buffer context
268 * ring buffer: handle shmp errors
269 * Cleanup: libringbuffer: remove duplicate shmp() invocations in slow paths
270 * Performance: Only dereference shmp once
271 * Performance: Mark channel and buffer event disabled check unlikely
272 * Performance: Relax atomicity constraints for crash handling
273 * Fix: compat: -ust suffix sprintf error handling
274 * Performance: disable event counting by default
275 * Fix: remove unlock in getcpu
276 * Performance: remove rcu read lock from ring buffer get/put cpu
277 * Performance: define _LGPL_SOURCE in LGPL c files
278 * Performance: split check deliver fast/slow paths
279 * Fix: perf counters build against kernel headers < 3.12
280 * Fix: perf counter context deadlock
281 * Fix: many-events registration/unregistration speed
282 * Fix: pre-fault TLS in ust-malloc instrumentation
283 * Fix: ust-ctl: use LTTNG_UST_HAVE_PERF_EVENT to report perf counter availability
284 * Fix: reset vtid cache before releasing urcu locks
285 * Fix: cleanup local_apps.allowed flag on lib cleanup
286 * Fix: Correctly handle invalid agent port file
287 * Fix: memory corruption in compat.h
288 * Introduce lttng_ust_loaded weak symbol
289 * Revert "Introduce LTTNG_UST_LOADED environment variable"
290 * Introduce LTTNG_UST_LOADED environment variable
291 * Fix: remove invalid free
292 * Use AC_PROG_MKDIR_P (generic mkdir -p)
293 * Split CMake example build steps on different lines
294 * Fix: CMake example: specify source/built includes/libs
295 * configure: allow building perf support across all architectures
296 * Fix: use-after-free in statedump lib iter_end
297 * Add generic fallback for perf counter read
298 * Fix: perf counters: sign-extend pmc register
299 * doc: Add flags for JUL and python agent compiling
300 * tests/hello.cxx: add ctf_enum_auto() entries
301 * Add ctf_enum_auto() for autoincrementing enumeration values
302 * Add missing ust_lib.c and ust_lib.h
303 * dl instrumentation: add dlmopen event, trace dlopen flags
304 * Add library load/unload tracking events
305 * Communication protocol: use fixed-size integer rather than enum
306 * Add ustctl command to regenerate the statedump
307 * Implement statedump command in UST
308 * tests/hello.cxx: add enumeration field
309 * Fix: ctf_enum_value() does not work with g++
310 * Fix: lttng context perf: missing stdbool.h header include
311 * Add perf context support for ARMv7
312 * Keep perf context FD open for other architectures
313 * Doc: cmake example: fix coding style
314 * Doc: ship cmake example with 'make distcheck'
315 * Doc: add CMake example
316 * configure.ac: check cmake availability
317 * Only build python lib when agent is enabled
318 * doc: information has no plural
319 * Fix: allow non-LGPL modules to use tracepoints
320 * Add -ust to the name of UST threads of the application
321 * Comment the locking mechanisms in ContextInfoManager
322 * Fix: Null-check return value of log4j.Category.getAllAppenders()
323 * Add liblttng-ust-agent.jar to the .gitignore
324 * Fix: Specify encoding when reading agent port file
325 * Fix: Include child loggers in the output of "lttng list"
326 * Fix: Handle both agent config files pointing to same port
327 * Suppress static method warning
328 * Add more logging to the LttngTcpSessiondClient
329 * Use config.h to detect sched_getcpu support
330 * Fix: use limits.h in ust-elf test
331 * Fix: strerror_r behavior is glibc specific
332 * Add support for musl libc to ust-dlfcn.h
333 * Fix: don't generate 0-len array in tracepoint probes
334 * Fix: log4j example: set logger level to prevent unexpected level inheritance
335 * Fix: no LGPL define for malloc and pthread wrappers
336 * Fix: all lttng-ust source files should be tagged _LGPL_SOURCE
337 * Fix: initialize RCU callbacks with mixed LGPL/non-LGPL objects
338 * Fix: incorrect structure layout with mixed LGPL/non-LGPL objects
339 * Fix: don't call __builtin_return_address(0) on 32-bit powerpc
340 * Update version name TBD
341 * Update version to 2.9.0-pre
342 * Fix: tracepoint header: declare tracepoint_dlopen_ptr
343 * Fix: update debug message about weak-hidden symbols
344 * Fix: tracepoint-rcu header: use tracepoint_dlopen_ptr
345 * Fix: test: relax requirement on weak-hidden symbol address
346 * Fix: work-around gcc optimisation oddness on 32-bit powerpc
347 * Fix: test weak-hidden symbols
348 * Print DBG() message about compiler weak hidden symbol behavior
349 * test: add test for gcc issue with weak hidden symbol on powerpc
350 * Restrict Java context retriever names to a set of valid characters
351 * Fix: Correctly compute Java agent list loggers response size
352 * Add support for aarch64_be
353 * Fix: Fix synchronization of LTTngAgent#dispose
354 * Fix: Verify number of bytes contained in sessiond agent commands
355 * Fix: Avoid potential null dereference with log4j loggers
356 * Specify UTF-8 encoding for all Java agent commands
357 * Fix: merge tap tests stdout and stderr
358 * Documentation: ring buffer: SWITCH_FLUSH can be used when active
359 * Fix: unchecked return value in trace_clock_read64_monotonic
360 * Fix: portability: no arith on void pointer
361 * Fix: initialize build id and debug link flags to 0
362 * Tests: Add tap-driver.sh for automake < 1.12
363 * Fix: add "has_build_id" and "has_debug_link" fields to debuginfo events
364 * Tests: Replace prove by autotools tap runner
365 * bootstrap: Standardize on autoreconf -vi
366 * Harmonize bootstrap script across projects
367 * lttng-ust(3): order environment variables
368 * lttng-ust(3): fix syntax of env. variables section
369 * lttng-ust(3): document $LTTNG_HOME
370 * Fix: Java agent should use LTTNG_HOME
371 * Fix: examples make distcheck failure
372 * Cleanup: add static for internal symbols
373 * Cleanup: Remove unused max() macros from ring_buffer_frontend.c
374 * Use min_t/max_t macros in lttng-ust-elf.c
375 * Tests: update ust-elf tests to reflect correct memsz computation
376 * Fix: erroneous computation of ELF in-memory size
377 * Make code and man pages share the same default values
378 * Fix: remove NULL check of nonnull parameter in dlclose
379 * Tracepoint array/sequence: add nowrite hex macros
380 * Tracepoint: add ctf array for network byte order integers
381 * Tracepoint: add ctf sequence for network byte order integers
382 * Fix: endianness of integers received by filter
383 * Doc: Update README.md
384 * Fix: jul and log4j agents makefile missing line and indentation
385 * Fix: re-introduce exported symbols
386 * Doc: update manpages for soinfo/sopath name change
387 * Rename statedump and dl events and fields
388 * Tests: list ust-elf test data explicitly in EXTRA_DIST
389 * Tests: add tests for lttng_ust_elf_is_pic
390 * Add is_pic field to statedump soinfo event
391 * Fix: add common jar to lttng-ust-agent-all dependencies
392 * Fix: add version to lttng-ust-agent-all jar file
393 * Fix: rename liblttng-ust-agent to lttng-ust-agent-all
394 * Fix: re-add liblttng-ust-agent.jar
395 * Fix: lttng java agent: dispose is non-static
396 * doc/man: do not use macros in the NAME section
397 * doc/man: remove duplicate copyrights section
398 * doc/man: lttng-ust(3): add tracing control to example
399 * doc/man: lttng-ust(3): split example files in subsections
400 * doc/man/common-copyrights: add missing THANKS section
401 * doc/man: lttng-ust(3): add missing ENVIRONMENT VARIABLES section
402 * README.md: bolden dependencies and update links
403 * README.md: split required and optional dependencies
404 * Convert man pages to AsciiDoc
405 * Fix: remove dead code from filter interpreter
406 * Fix: convey enum value signedness into metadata
407
358b7b74
MD
4082016-03-18 (Awkward Moments Day) lttng-ust 2.8.0-rc1
409 * Fix: remove assertions in lttng-ust-comm init
410 * Add tracepoint_disable_destructors()
411 * Documentation: fix manpage typo
412 * Fix: move lttng_context_is_app to core file
413 * Fix: move dummy functions to common file
414 * Fix: handle backward probe compatibility for application contexts
415 * Fix: application context header size
416 * Fix: event ctx get size should be after chan ctx
417 * Clarify and simplify the Java agent "Hello" examples
418 * Export the stream instance ID
419 * Generate and export the sequence number
420 * Add stream instance id to the packet header
421 * configure.ac: print empty line after AC_OUTPUT
422 * configure.ac: macros with no arguments do not need ()
423 * configure.ac: standardize indentation to tabs
424 * configure.ac: move AC_PROG_SED() close to other AC_PROG_*()
425 * configure.ac: test -a -> shell's && (more portable)
426 * configure.ac: use test "x$var" = "xyes"
427 * configure.ac: AM_CONDITIONAL() accepts two arguments
428 * configure.ac: use dnl at appropriate places
429 * configure.ac: if -> AS_IF()
430 * configure.ac: case -> AS_CASE()
431 * configure.ac: add missing quotes in macro calls
432 * configure.ac: use macros for version name and description
433 * configure.ac: do not use shell eval for known values
434 * Add CONTRIBUTING.md
435 * Output "(null)" when ctf_string()'s arg is NULL
436 * Fix: disable use of __builtin_return_address(0) on 32-bit PowerPC
437 * Fix: java agent 32-bit pointer to jlong warning
438 * Fix: Use Java 6 syntax in JUL examples
439 * Fix: add missing example file to dist tarball
440 * Fix: add missing header to dist tarball
441 * Fix: add missing LttngContextApi.java to dist tarball
442 * Pass the Java app context information using two separate arrays
443 * Fix: Correctly report filter notifications on Java agent teardown
444 * Add some logging to the AbstractLttngAgent
445 * Fix: Clear tracked application contexts upon closing a Java agent
446 * Introduce a verbose mode for the Java agent
447 * Implement Java agent application context retrieval
448 * Turn ISessiondCommand into an abstract class
449 * Split the JNI APIs in separate classes
450 * Add app context support to ust-ctl protocol
451 * Handle application context cmd
452 * Implement dynamic types, and application context provider support
453 * Fix: handle negative range for LTTNG_UST_REGISTER_TIMEOUT
454 * Fix: Ensure the Java JUL messages are correctly formatted
455 * Fix: double-free on error sending fields
456 * Add CTF enum type support to tracepoint event
457 * Fix: missing _GNU_SOURCE define
458 * python-lttngust/setup.py.in: update setup() fields
459 * Refactor Python agent build and install
460 * Fix: remove debugging print() call from Python agent
461 * Fix: header size larger than 256 bytes
462 * Python agent: Support Agent protocol v2.0
463 * Fix: Java agent protocol network endianness consistency
464 * Fix: examples jul: add missing files to make dist
465 * Fix: Filer -> Filter typo in example
466 * Fix: Return the correct list of available Java events
467 * Add a toString() to Java agent's EventRule
468 * Add API stubs for the Java context info retrievers
469 * Receive the event filter string in the Java agent
470 * Document the Java filter notification model
471 * Add filter change notification mechanism to the Java agent
472 * Manage complete "event rules" in the Java agent
473 * Introduce a new client listener interface for the Java agent
474 * Turn ILttngAgentResponse into an abstract class
475 * Remove stale tests/java-jul test
476 * Fix: live timer calculation error
477 * Fix python agent build/install/uninstall with DESTDIR specified
478 * Fix: Don't (re)define STAP_PROBEV
479 * Fix: don't dereference NULL pointers
480 * Cleanup: Remove unused values
481 * Fix: Value stored to 'has_waited' is never read
482 * Fix: Argument with 'nonnull' attribute passed null
483 * Cleanup: Unnecessary bit shift
484 * Clean-up: remove extraneous "found" parameters in ust-elf
485 * Fix: sysconf() unchecked return value
486 * doc: add Python example
487 * Fix: Python agent: do not register twice to same port
488 * Fix: potential leaks in error paths
489 * Fix: double free in liblttng-ust-dl
490 * Fix: make check in OOT build with absolute path
491 * Fix: elf: leaks on error paths
492 * Cleanup: coding style
493 * Cleanup: elf: use off_t for offsets, size_t for len
494 * Cleanup: eliminate implicit sign-extension
495 * Fix: elf: NULL pointer dereference
496 * Fix: add missing ust-elf.h header to dist
497 * Fix: make check in out of tree build
498 * Fix: old gcc warnings
499 * Fix: old gcc warning
500 * Fix: remove stale lttng-ust-elf.h from makefile
501 * Fix: elf: uninitialized ret
502 * Fix: test elf: handle NULL debug file
503 * test: elf move constants to top of implementation
504 * Fix: elf test prog arg checking
505 * baddr statedump: remove dependency on file streams
506 * baddr statedump: hold ust lock around allocations
507 * Add unit tests for lttng_ust_elf
508 * Add memory size, build id, and debug link info to statedump and dl
509 * Fix: close socket on protocol error, sendmsg MSG_NOSIGNAL
510 * Cleanup: more descriptive error message
511 * Fix: add missing ust lock around objd_table_destroy()
512 * Fix: application exit race with pthread cancel
513 * Cleanup: configure layout for python agent detection
514 * Build: python agent: use setup.py over autoconf
515 * Build: add python interpreter used by python agent if built
516 * Doc: basic lttng ust python agent documentation
517 * Build: use AM_PATH_PYTHON to resolve python when building agent
518 * Build: only check if python exists in path
519 * Update version to 2.8.0-pre
520 * Fix: Send the correct Java agent return code when disabling events
521 * Fix: Correctly handle the command to disable all events
522 * Small refactor of the Java agent's TCP client
523 * Rename Java Agent event names to "event"
524 * Rename Python agent tracepoint to "event"
525 * Allow compiling the Java agent with Java 1.6
526 * Restore concurrent build when Java agent is enabled
527 * Refactor Java agent to let applications manage the log handlers
528 * Doc: add LTTNG_UST_CLOCK_PLUGIN to man page
529 * Doc: add LTTNG_UST_GETCPU_PLUGIN to man page
530 * Cleanup: Add Javadoc to all public methods and members
531 * Fix: Small fixes to the Java agent example files
532 * Update doc/java-agent.txt to reflect the new packaging
533 * Split Java agent library in 3 separate jars
534 * Remove deprecated org.lttng.ust.jul.LTTngAgent class
535 * Use tar-ustar format for the dist archive
536 * Fix: remove generated file from git tree
537
36745ac7
MD
5382015-07-15 (Pet Fire Safety Day) lttng-ust 2.7.0-rc1
539 * Fix: Use $enableval with AC_ARG_ENABLE
540 * Fix: Cleanup local_apps sock_info in lttng_ust_cleanup
541 * Fix: handle sys_futex EINTR and EWOULDBLOCK
542 * Fix: update liburcu URL
543 * .gitignore: ignore Python agent generated files
544 * Add ctf_sequence_hex() macro
545 * Fix: set soinfo_data's vdso flag correctly in base address statedump
546 * Fix: running java examples out of tree
547 * Fix: java class check when uudecode is not present
548 * Cleanup: remove extra whitespace in configure output
549 * Default to no unaligned access on unsupported archs
550 * cleanup: Coding style fixes to the Java agent
551 * cleanup: Mark obsolete JUL agent as @Deprecated
552 * Fix compilation warnings in the Java agent
553 * Fix: out of tree build of java agents
554 * Fix: Use env CLASSPATH when building log4j example
555 * Fix: build log4j example when enabled
556 * Bump tracer version to 2.7.0-pre
557 * Fix: perform volatile load of tracepoint state
558 * Add demo-tracelog to gitignore file
559 * Add aarch64 support to configure
560 * Implement cpu_id context for filtering
561 * ust cyg-profile: use same class for entry and exit
562 * Fix: function instrumentation ip context
563 * Fix: liblttng-ust-dl ip context
564 * Remove caller field from malloc events
565 * Fix: pthread wrapper ip context
566 * Fix: lttng-ust-malloc ip context
567 * Allow TP_IP_PARAM arg name to be configured
568 * tracelog: use same class for all loglevels
569 * fix tracelog namespacing of loglevels
570 * Add tracelog documentation to lttng-ust(3)
571 * Implement demo-tracelog example
572 * Implement tracelog API
573 * Fix: fetch caller address from tracef()
574 * Rename helper providers and events for consistency
575 * Refactor state dump system
576 * Refactor Python agent
577 * Fix: building probe providers with C++ compiler
578 * Fix: use lttng_secure_getenv to handle env. vars. involving paths
579 * Fix: Don't wait during registration if clock_gettime() fails
580 * Fix: getcpu/clock plugin handle leak
581 * Fix: add missing new ldl dependency for liblttng-ust-ctl
582 * Fix: add missing getenv wrapper
583 * Fix: add missing lttng-clock.c
584 * Fix: add missing ust-clock.h
585 * clock plugin example: use shift and mul
586 * Implement getcpu override
587 * Implement clock override plugin support
588 * Add tracepoint_enabled() macro
589 * Move file creation/unlink from liblttng-ust-ctl to consumerd
590 * Implement file-backed ring buffer
591 * Fix: oot build: missing top_builddir include
592 * Fix: Mismatching code and console output in log4j example
593 * Update manpage about LTTNG_UST_DEBUG effect
594 * Don't output to stderr from lib unless DEBUG is activated
595 * Remove usterr.h, use usterr-signal-safe.h everywhere instead
596 * Fix: out-of-tree build: wrong file path for sed input
597 * Fix: make dist: python agent file handling
598 * Fix: java-agent: out-of-tree path to java manifest
599 * Add return address to liblttng-ust-libc-wrapper
600 * Fix: missing parenthesis in offset_align_floor
601 * Fix: add ustctl_has_perf_counters
602 * Fix: add urcu-bp TLS fixup
603 * Fix: add missing poll.h include
604 * Fix: get_subbuf: bound number of consumerd retry
605 * Fix: man: you can't link a lib with a static lib
606 * Fix: context alignment not properly handled
607 * Fix: Shorthand option -cp not supported in all version of Java
608 * Fix: allow tracepoints to build with --std=c99
609 * Bump UST ABI for new release cycle
610 * Cleanup: remove "disabled" flag for new release cycle
611 * Fix: filter attach vs event enable race
612 * Fix: add a configure check for weak symbols support
613 * Fix coverity warning about sizeof(void **) != sizeof(void *)
614 * Fix: off-by-one in sequence filter comparator
615 * Fix: Java Agent JAR file symlink should be created after objects install
616 * Fix: Add versioning to liblttng-ust-agent JAR
617 * Fix: Warn when log4j version is too old
618 * Update Java agent documentation
619 * Fix: Try loading classes using the thread context class loader
620 * Add Python agent support
621 * Update version name
622
837fc266
MD
6232014-10-20 lttng-ust 2.6.0-rc1
624 * Add missing file to gitignore
625 * Fix: preserve example files' timestamps when copying
626 * Fix: Abort loading log4j agent classes when detected log4j version is too old
627 * Cleanup: Remove the no longer needed liblttng-ust-jul folder
628 * Fix: Wrong CLASSPATH when building liblttng-ust-java oot
629 * Fix: Wrong CLASSPATH when building liblttng-ust-java-agent oot
630 * Rename public structure to avoid collisions
631 * Refactor liblttng-ust-jul in liblttng-ust-agent
632 * Build the liblttng-ust-java library using the new M4 macros
633 * Add M4 macros helpers to build Java programs
634 * Modernize README using Markdown
635 * Documentation: clarify event name in lttng-ust.3
636 * Add cscope to gitignore
637 * configure.ac: fix "missing jni.h" error message
638 * Fix: remove references to trace_printf()
639 * Change JUL agent to use the new ABI
640
ce59a997
MD
6412014-07-16 (Take Your Poet to Work Day) lttng-ust 2.5.0
642 * Mutex while updating statedump_pending is not needed
643 * Revert "Turn base address dump into experimental feature"
644 * Fix: document ust_fork_mutex nesting
645 * Bugfix for #745 deadlock with baddr statedump+fork
646 * Move enablers syncing after the channel registration
647 * Add lttng_ust_notrace to static inline functions
648 * lttng ust: support ppc64le within configure
649
f08370eb
MD
6502014-06-27 lttng-ust 2.5.0-rc2
651 * Fix: lttng-ust-jul: set thread in daemon mode
652 * JUL: use root logger to capture events
653 * Fix: Wrong configure check for UST perf event counters context support
654 * Fix: multiple providers in same C file failure
655 * Fix: header inclusion guard typo in lttng-ust-tracef-provider.h
656 * Fix: 2.5.0-rc1 changelog has off-by-one date
657
40fc5322 6582014-05-28 (International Hamburger Day) lttng-ust 2.5.0-rc1
c2d275b8
MD
659 * Fix: out of tree build for lib Java and JUL
660 * Fix: default loglevel is DEBUG
661 * Fix: refuse overwrite mode buffers with less than two subbuffers
662 * Fix: tracef.h: add missing c++ guard
663 * Fix: remove JUL loglevel filtering from the agent
664 * Fix: cleanup JUL agent state on sessiond disconnect
665 * Fix: Move generated headers to the BUILT_SOURCES target
666 * Fix: perf ust: check close return value
667 * Cleanup: work-around missing inet.h struct mmsghdr fwd declaration
668 * Implement LTTng-UST perf counters support on x86
669 * Fix linking failure when cross-compiling
670 * Fix: disable liblttng-ust-dl if dlinfo is not available in C library
671 * Fix: pass proper args when writing commit counter
672 * Fix: pad strings that are modified concurrently with tracing
673 * Fix: Use $AM_CC when it is defined instead of gcc in demo-tracef
674 * Revert "Fix: disable liblttng-ust-dl if dlinfo is not available in C library"
675 * Fix: .split() the CC environment variable in lttng-gen-tp
676 * Fix: disable liblttng-ust-dl if dlinfo is not available in C library
677 * Fix: python invocation through env
678 * Change default loglevel to TRACE_DEBUG_LINE
679 * Fix: Override AM_PATH_PYTHON's default action-if-not-found
680 * Fix: don't accept configure --disable-shared
681 * Fix: configure.ac: add missing result to alignment req. check
682 * Fix: malloc wrapper: infinite recursion with compat TLS
683 * Fix: lttng-ust needs -ldl for tracef()
684 * Fix: typo in lttng-ust.3
685 * Fix: liblttng-ust-libc-wrapper recursive use of calloc
686 * Fix: add demo-tracef to dist tarball
687 * Fix: add missing header files for tracef
688 * Implement tracef() instrumentation API
689 * Add 'unused' attribute to tracepoint callback
690 * Use autoconf AM_MAINTAINER_MODE
691 * Fix: mismatch between code and comments
692 * Fix: incorrect urcu git URL in README
693
5ba5bf7f
MD
6942014-02-28 (Public Sleeping Day) lttng-ust 2.4.0
695 * Fix: JUL test: update to API change
696 * Fix: Cast from pointer to different integer size warning
697 * Turn base address dump into experimental feature
698 * Fix: JUL support multiple loglevels
699 * Fix: Skip lttng-gen-tp example build if Python is missing
700 * Fix: dynamically fetch the session daemon port
701 * Fix: JUL agent connect to user and root sessiond
702 * Fix: handle registration done command
703 * Fix: Unsynchronized access in LTTngTCPSessiondClient
704 * Cleanup: fix comment
705 * Fix: Dump executable base-address with readlink
706 * Fix: add assert for NULL dereference
707 * Fix: tracepoint out of memory handling
708 * Fix: dereference before null check
709 * Cleanup: remove logically dead code
710 * Fix: handle sysconf errors
711 * Fix: java-jul/Makefile should not be marked as a binary
712
d06136ec
MD
7132014-02-14 lttng-ust 2.4.0-rc4
714 * Cleanup: remove extra space in dlerror wrapper
715 * Fix: work-around glibc lying about dlsym()/dlerror() leafness
716 * Cleanup: add lttng_ust_malloc_wrapper_init prototype to header
717 * Fix: malloc libc instrumentation wrapper
718 * Fix: add LTTngEvent class to fix delayed logger
719 * Fix: FD leak in liblttng-ust-ctl
720 * Fix: liblttng-ust-dl Makefile flags mismatch
721 * Fix: liblttng-ust-fork Makefile flags mismatch
722 * Fix: out of tree examples build
723 * Fix: C++: incomplete extern C guard transition
724
35d2bbde
MD
7252014-01-29 lttng-ust 2.4.0-rc3
726 * Fix: add missing JUL loglevel handling
727 * Cleanup gen-tp: add quotes around AM_CC
728 * Pass the CC variable to the example Makefiles
729 * cleanup ust_baddr and ust_baddr_statedump doc
730 * baddr: add ust_baddr and ust_baddr_statedump doc
731 * Fix: baddr_statedump tracepoint registration
732 * Fix: baddr out of tree build
733
d516ed24
MD
7342013-12-10 lttng-ust 2.4.0-rc2
735 * Fix: baddr_statedump tracepoint registration
736 * Fix: baddr deadlocks and RCU races
737 * Fix: lock exit mutex when creating threads
738 * Fix: baddr deadlock with lttng-ust destructor
739 * baddr: include missing header
740 * baddr: get session under lock
741 * Fix: take the ust lock around session iteration in statedump
742 * Fix: baddr_statedump deadlock with JUL tracing
743 * Fix: client_packet_header() uses wrong packet
744 * Cleanup: fix typo in ring buffer backend comment
745 * Compile liblttng-ust-baddr c files into liblttng-ust
746 * Allow suppressing of base-address-state tracing
747 * Integrate base-address statedump into lttng-ust
748 * Fix: eliminate timestamp overlap between packets
749 * Fix: lttng-gen-tp to build out of tree
750 * Fix: compile doc/ after JUL/Java
751 * JUL: add Hello.java in doc/examples
752 * Fix lttng-ust(3) manpage
753 * JUL: fix enable all event for delayed Logger
754 * Fix: typo in JNICALL for the JUL tracepoint
755 * Fix: move va_end to outermost label
756 * Fix: add missing NULL check after allocation
757 * Fix cleanup: all spaces before flags
758 * fix: lttng-gen-tp: add missing spaces around flags
759
48de55ad
MD
7602013-11-15 lttng-ust 2.4.0-rc1
761 * doc/examples: error out when a subdir make fails
762 * JUL: fix out of tree build
763 * Java/jul: fix make dist
764 * JUL: install documentation and jar file
765 * Add missing copyrights to test scripts
766 * Escape minus signs in lttng-ust-cyg-profile manpage
767 * Fix spelling mistake in lttng-ust manpage
768 * Fix tests/benchmark
769 * Implement base-address-state tracing
770 * Base-address tracing for dlopen and dlclose
771 * Add a check against excluders
772 * Add handler for LTTNG_UST_EXCLUSION in UST ABI
773 * Store exclusions to enablers
774 * Add excluders to enabler structure
775 * Send exclusion data through ustcomm
776 * Define exclusion structure for UST ABI
777 * Define a new command LTTNG_UST_EXCLUSION
778 * Fix: package of LTTngUst.h was renamed without renaming target in makefile
779 * Fix: check for java .class in package subfolders
780 * Fix: java library to use user define JDK at compile time
781 * Add liblttng-ust-jul for JUL support
782 * Fix: application SIGBUS when starting in parallel with sessiond
783 * Fix: Minor corrections to the lttng-ust man page
784 * Documentation cleanup: Overhaul of the lttng-gen-tp man page
785 * Warning cleanup: add missing padding initializer
786 * Fix: socket connect hang on heavy loads
787 * Cleanup: fix typo
788 * Fix: ust-comm recvmsg should handle partial receive
789 * gcc warning fix: -Wextra
790 * Add usage reference count for tracepoints
791 * tracepoint.c: Move add_callsite/remove_callsite further down in file
792 * Store the callsites into the library callsite list
793 * Fix linking warning
794 * Per-stream ioctl to get the current timestamp
795 * LTTng ringbuffer ABI calls for index generation
796 * Specialize lttng_ust_lib_ring_buffer_client_cb
797 * Add tracing instrumentation for pthread mutex lock functions
798
9f00ce32
MD
7992013-09-03 lttng-ust 2.3.0
800 * No change
801
07d2f704
MD
8022013-08-30 lttng-ust 2.3.0-rc2
803 * doc/examples/gen-tp: pass automake CPPFLAGS/CFLAGS/LDFLAGS
804 * tools/lttng-gen-tp: honor CPPFLAGS and LDFLAGS
805 * Fix: doc/examples cross-build
806 * Fix: liblttng_ust.la should depend on liblttng-ust-tracepoint.la
807 * Introduce configure --with-lttng-system-rundir
808 * examples: tracepoint probes don't need extern C
809 * Tracepoint probes don't need extern C
810 * Add trace support for memalign and posix_memalign
811 * malloc instrumentation: remove dependency on pthread
812 * Add trace support for calloc and realloc.
813 * Fix: allow make check to run in VPATH build
814 * Update .gitignore
815 * Update obsolete benchmark test
816 * Cleanup tests (2nd commit)
817 * Cleanup tests
818 * Fix: doc/examples VPATH build
819
0ff43c44
MD
8202013-07-17 lttng-ust 2.3.0-rc1
821 * Fix: Unchecked asprintf/vasprintf return values
822 * Missing NULL pointer init in tap.c
823 * Disable doc/examples build
824 * Add python3 support to lttng-gen-tp
825 * Bump ABI major to 5
826 * callsite: add "ip" context
827 * Allow environment variable LTTNG_HOME to override HOME
828 * Fix: libs order in Makefile
829 * Fix: ring buffer: get_subbuf() checks should be performed on "consumed" parameter
830 * Introduce ustctl_write_one_packet_to_channel
831 * build: Fix out-of-tree build
832 * Fix: SWITCH_FLUSH new sub-buffer checks
833 * Fix: ring buffer: handle concurrent update in nested buffer wrap around check
834 * Cleanup: lib_ring_buffer_switch_new_end() only calls subbuffer_set_data_size()
835 * Fix: doc/examples: gen-tp path
836 * Revert "Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()"
837 * Fix: handle writes of length 0
838 * Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()
839 * Fix: lttng-events VPATH build
840 * Allow #include in template (.tp) file
841 * tests/hello.cxx: rename tp.cpp into tp-cpp.cpp
842 * doc/examples: build gen-tp example by default
843 * doc/examples: support BSD make
844 * Tracepoint.h: replace assertion by fprintf and abort()
845 * Remove unused assert.h from bitfield.h
846 * Clarify probe registration documentation/errors
847 * Fix: Check C++ designated initializers support before compiling 'hello.cxx' test
848 * Add mising include in ust.h
849 * lttng-gen-tp: Fix include guard name with file using non valid characters
850 * Fix: segfault when print invalid command
851 * Fix: Add --no-as-needed to the demo example's Makefile
852 * zmalloc: attribute always_inline
853 * Fix: liblttng-ust process startup hang when sessiond is stopped
854 * Move include directive from CFLAGS to LOCAL_CPPFLAGS in examples' Makefiles
855 * Allow tracepoint providers to be compiled with g++
856 * Add parameter -f to rm in Makefile clean target
857 * Fix: missing dependency for liblttng-ust-tracepoint.so
858 * Remove 0.x TODO
859 * Add warning about default prefix and library paths to README
860 * Revert "Revert "Fix (another) linker library order""
861 * Revert "Revert "Fix linker library order""
862 * snprintf: play nice with static checker
863 * tracepoint.c: Add coverity alloc/free annotations
864 * Fix: "fields" leak on register
865 * Fix: memory leak for events without fields
866 * Fix: memory leak on connection reset
867 * Revert "Fix linker library order"
868 * Revert "Fix (another) linker library order"
869 * Fix: incorrect support for multi-context
870 * Fix (another) linker library order
871 * Fix typo in run script
872 * Fix linker library order
873 * Fix examples: add missing CPPFLAGS
874 * example Makefiles: standardize on $^ for linking
875 * Fix demo example Makefile
876 * Move "hello-static-lib" to doc/examples and add non-automake Makefiles
877
9ac8c212
MD
8782013-05-09 lttng-ust 2.2.0-rc2
879 * manpage: Document probe provider compatibility
880 * Fix: add provider ABI compatibility check
881 * Cleanup: ignore mktemp return value
882 * Cleanup: documentation: argument vs field
883 * Documentation: document undefined behavior for NULL pointers
884 * Cleanup: silence cppcheck error
885 * Fix: add internal mutex for timer
886 * 32-bit warning fix for cyg profile fast
887 * Fix warnings for 32-bit in lttng-ust-cyg-profile
888 * Typo fix in README
889 * Fix: tracepoint.h incorrect assumption about constructor order
890 * Cleanup: comment mismatch with code
891 * Fix: ABI breakage between 2.1 and 2.2-rc1
892 * Documentation: document that sequence len field is unsigned
893 * connect: don't report EACCES
894 * connect: don't print error on EPERM
895 * Bump liblttng-ust-ctl lib version major number
896 * Optimisation: implement callsite hash table in tracepoint.c
897 * Optimisation: only update added library in tracepoint.c
898 * Optimisation: only fix pending events once per lazy update
899
9c915ee8
MD
9002013-03-28 lttng-ust 2.2.0-rc1
901 * Fix: tracepoint instrumentation constructor order issue
902 * Documentation: update 2.0 to 2.x
903 * Add demo test back as an example
904 * Don't rely on explicit context for filtering
905 * Implement per-context filtering
906 * Fix: filter string comparison should check for literal
907 * update tests/demo readme file
908 * Add man page for lttng-ust-cyg-profile
909 * Fix: filter string wildcard comparison
910 * Fix: Remove test runner script
911 * Fix: forwarding of call_site argument to field
912 * Add demo README
913 * Tests: Use Perl prove as the testsuite runner
914 * Remove tests depending on consumerd
915 * Convert hello.cxx test to a build test
916 * Clean-up of configure.ac and tests/Makefile.am
917 * Fix snprintf test and output result to TAP format
918 * Replace same_line_marker test with same_line_tracepoint
919 * Remove tests-libustinstr-malloc
920 * Remove exit-fast test
921 * Remove fork test
922 * Remove daemon test
923 * Remove demo test
924 * Remove outdated test-nevents test
925 * Remove outdated simple_include test
926 * Remove outdated register_test test
927 * Convert hello-static-lib test to a build test
928 * Convert hello test to a build test only
929 * Remove outdated libustctl_function_tests test
930 * Remove outdated test hello2
931 * Remove outdated dlopen test
932 * Remove outdated test basic long
933 * Remove outdated test basic
934 * cyg_profile: implement fast and verbose .so
935 * Performance: add unlikely to tracepoint dynamic linking test
936 * Fix: _LGPL_SOURCE rcu dereference fix
937 * Implement liblttng-ust-cyg-profile function entry/exit instrumentation
938 * Minor fix: libc wrapper internal run script
939 * Fix: ustctl_recv_register_event pointer mixup
940 * Fix: allow enabling same events for two channels
941 * Add channel ID field to attr
942 * Remove useless else clause
943 * tracepoint: move "probe" test outside of loop
944 * Fix uninitialized has_loglevel variable
945 * Fix clang warnings
946 * Cleanup: work-around clang unused result warning
947 * Cleanup compile warning
948 * Cleanup: remove unused variables
949 * tracepoint: Don't add NULL probes
950 * Remove mention of locking issues associated with dlopen usage
951 * Implement read timer (for RT)
952 * Only flush when there are readers active
953 * Add mutex for channel wakeup fd update
954 * Fix: fields should be initialized to NULL
955 * Implement ustctl_duplicate_ust_object_data
956 * Add channel wakeup fd to monitor close
957 * Fix: refcount issue in lttng-ust-abi.c
958 * Fix: only consumerd should print errors
959 * Implement ring buffer periodic buffer switch timer
960 * Fix: ensure all probe providers have their symbols
961 * Reactivate error printing
962 * Unregister tracepoint probes when not needed
963 * Cleanup: remove now unused metadata code from UST
964 * Fix: notification timeout logic
965 * Fix: don't print error in comm proto connect on ENOENT
966 * Fix: return expected error return values for sessiond
967 * Fix: set wait/wake fd to -1 before close
968 * Fix: Only notify socket should have timeout/nonblock
969 * Fix: ustctl: return -EPIPE to sessiond if connection is closed
970 * Fix: Add timeout on notification socket
971 * Remove now unused metadata printf code
972 * Move metadata creation into lttng-sessiond and lttng-consumed
973 * Add write metadata API to ust-ctl.h
974 * Move UST registry into sessiond and implement notifiers
975 * Fix: don't flush-final for offset 0 if reader is on sub-buffer
976 * Use tp rcu link test in provider
977 * Remove direct dependency of probes on urcu-bp
978 * Use urcu tls-compat.h
979 * Lazy provider registration
980 * Always use lttng_get_probe_list_head to get probe list
981 * Fix static build
982 * Move LTTng-UST buffer ownership from application to consumer
983 * Fix package: don't distribute generated headers
984 * Fix: don't cancel already exited threads
985 * Scalability fix: tracepoint.c hash table size increase
986 * Scalability fix for many events: event hash table size
987 * Speed up probe registration for large amount of events
988 * Add missing demo-trace shell script to dist tarball
989 * Documentation: add uuid package name for Fedora in README
990 * Fix: missing test for lttng_ust_comm_should_quit in lttng-ust-comm.c
991 * Add compilation support for Tile architectures
992 * Documentation: clarify debian package name for uuid in README
993 * Fix: comment in ust-ctl.h
994 * Fix I/O-related error values in ustctl
995 * Introduce hash table for lttng_create_event_if_missing()
996 * Fix: don't build C++ example if a C++ compiler isn't available
997 * Remove LIBFORMAT output in configure.
998 * Document dependency on libuuid
999
0c9ad44b
MD
10002012-12-20 (13th Baktun) lttng-ust 2.1.0
1001 * Bump liblttng-ust-ctl lib version major number
1002 * Bump UST proto version minor number
1003 * Helper to debug: add object name
1004 * Tests: Fix rundir not created in ust-basic-tracing
1005 * ust test: add missing return -1
1006 * Test: update ust tracing unit tests to 2.1 internal ABI
1007 * Tests: Fix rundir not created in ust-multi-test
1008 * Adapt internal files and examples to TRACEPOINT_INCLUDE
1009 * Adapt tests to TRACEPOINT_INCLUDE
1010 * Cleanup: tests remove hello.cxx/ust_tests_demo.h
1011 * Fix: don't do macro expansion in tracepoint file name
1012 * Fix lttng-gen-tp: Template file must end in .tp
1013 * Pack structures in comm protocol between UST and sessiond
1014 * Cleanup lttng-gen-tp: Help not showing when using -h,--help
1015 * Cleanup lttng-gen-tp: remove leading underscore before include guard
1016 * fix memleak: ustctl free shadow chan on ustctl_unmap_channel()
1017 * Update license text
1018 * Fix: check if event enabled for bytecode-less events
1019 * Fix: handle enablers without bytecode
1020 * Print probe provider mismatch error even without -Wsystem-headers
1021 * filter: Add missing padding
1022
dd8b384a
MD
10232012-11-22 lttng-ust 2.1.0-rc2
1024 * filter interpreter cleanup: use uint64_t for retval
1025 * Fix: filter linking can dereference NULL pointer on alloc failure
1026 * Cleanup: remove whitespaces and EOL in tests
1027 * Filter: use only single lower bit of filter return value
1028 * Fix: filter: var len array at end of external structure
1029 * Fix: filter link fail handling
1030 * Fix: add missing seqnum field to filter
1031 * filters: perform union rather than intersection
1032 * Implement support for overlapping wildcard/events
1033 * Cleanup: add lttng_/lttng-/LTTNG_ prefixes
1034 * filter: add seqnum field to filter command
1035 * Filter iteration: iterate on list of filters
1036 * document that tracepoint names should ideally not be re-used
1037 * Remove LIBFORMAT config declaration, unused
1038 * Add libc errno translation layer to UST error code
1039 * Fix: add const qualifier for filter local void *
1040 * Fix: re-allow non-lvalue string, sequence, array parameters
1041 * Tear down handles associated with a closed sessiond socket
1042 * Distinguish UST return codes from transport return codes
1043 * Fix: Conditionally disable tests requiring shared libs support
1044 * Cleanup: don't spawn per-user thread if HOME is not set
1045 * Manpage: document supported UST contexts
1046 * Fix: procname context semantic
1047 * Fix: Fix self-assign warning on struct ustfork_clone_info init
1048 * Fix: memcpy of string is larger than source
1049 * Implement liblttng-ust-fork daemon() override test
1050 * liblttng-ust-fork: override daemon() call
1051 * ustfork: set errno to ENOSYS if symbol lookup fails
1052 * Fix: be quiet on filter linker error
1053 * Build out of src tree
1054 * Fix: filter bytecode specializer stack leak
1055 * Fix: reloc offset validation error out on filters with no reloc table
1056 * Perform calculation on bit size in 64-bit
1057 * Use uint64_t for packet header content size and packet size
1058 * Fix: manpage typo "-lllttng-ust" -> "-llttng-ust"
1059 * Fix: BSD getprogname null pointer dereference
1060 * Add support for model.emf.uri event info
1061 * Filter error message cleanup
1062 * Manpage update: document use in daemons
1063 * Fix: get_wait_shm() ust mutex deadlock (add 2 missing exit calls)
1064 * Fix: get_wait_shm() ust mutex deadlock
1065 * Fix: add events with 0 field to field list
1066
d8c99839
MD
10672012-09-10 lttng-ust 2.1.0-rc1
1068 * Fix make dist: fix liblttng-ust-java dependencies
1069 * Fix make dist: add missing filter header
1070 * Fix: backward compatibility with UST 2.0 app probes
1071 * Fix: Filter ABI changes to support FILTER_BYTECODE_MAX_LEN (65536)
1072 * Export "written" information about fields
1073 * Fix filter: pointer to string, not string, should be on stack
1074 * Fix: tracepoint float nowrite
1075 * Fix: accept 65536 bytes long bytecodes
1076 * Add hostname to env
1077 * ABI change: bump internal version to 3.0.0
1078 * Fix: threads should be created in DETACHED state
1079 * Fix: 32-bit x86 strict-aliasing warnings
1080 * Fix UST SIGPIPE handling
1081 * Fix: Libtool fails to find dependent libraries when cross-compiling lttng-ust
1082 * Cleanup: filter: turn bytecode linking error msg into debug
1083 * Make lttng-ust robust against -finstrument-functions.
1084 * Filter: keep aliased ax and bx registers
1085 * Filter: remove interpreter dynamic typing
1086 * Filter: add missing specialized op names
1087 * Filter: specialize double-s64 binary comparators
1088 * Fix filter: fix stack leak on taken branch
1089 * Filter: Implement stack-based interpreter
1090 * Filter: double comparator produces s64
1091 * Filter: use hash table to check merge points
1092 * Filter: split passes into separate components
1093 * Filter: cleanup macros
1094 * Filter: validate range overflow with end of insn
1095 * Filter: validate that field ref strings are non-NULL
1096 * Filter: ensure logical operator merge is always s64
1097 * Filter: we don't care if double/s64 are literals
1098 * Filter: specialize 'and' and 'or' ops.
1099 * Implement dispatch-table based interpretor
1100 * Filter: Specialize unary operators
1101 * Define switch use as macro in interpreter
1102 * Filter interpreter: mark float test as unlikely
1103 * Filter: fix bytecode validation typo
1104 * Filter: specialize comparators
1105 * Specialize load and unary ops
1106 * Validate registers, no need to initialize to 0
1107 * Filter: opcode for ref loads
1108 * Remove redundant validation from interpreter
1109 * filter: Add bytecode validation pass
1110 * TRACEPOINT_EVENT: add *_nowrite fields for filter
1111 * Only print filter errors if LTTNG_UST_DEBUG is set
1112 * Cleanup: remove debug define
1113 * Filter: add floating point support
1114 * Remove filter test printouts
1115 * Implement filter bytecode interpreter and linker
1116 * Filter: receive, attach and link empty filter
1117 * Filter: prepare filter stack data
1118 * Wrap dynamic len array into stackvar union
1119 * liblttng-ust-comm/lttng-ust-com.c: remove unnecessary goto in ustcomm_accept_unix_sock()
1120 * liblttng-ust/lttng-ust-comm.c: fixing typo.
1121 * Fix: remove unused texinfo dep from configure.ac
1122 * Fix C99 strict compatibility: don't use void * for function pointers
1123 * Fix c99 compatibility: tp_rcu_dereference_bp() should not use braced-groups within expressions
1124 * Revert "Fix c99 compatibility: tp_rcu_dereference_bp() should not use braced-groups within expressions"
1125 * Fix c99 compatibility: tp_rcu_dereference_bp() should not use braced-groups within expressions
1126 * Fix: perform TLS fixup of nest count outside of UST mutex
1127 * Fix: liblttng-ust-fork deadlock
1128 * Fix: handle pthread errors
1129 * Fix: local apps allowed should disable local (not global) tracing
1130 * Fix strict ISO-C compatibility for ust-tracepoint-event.h public header
1131 * Fix: support -std=c99 in tracepoint macros
1132 * Fix c99 compatibility: use __typeof__ instead of typeof in public headers
1133 * hello test: fail on old style definition
1134 * Fix: tracepoint.h should not generate old-style definitions
1135 * Fix: don't define variables in headers
1136 * test "hello": add boolean test
1137 * Fix: perform macro expansion on tracepoint signatures
1138 * UST check pointer/de-reference order
1139 * Fix list field: handle error
1140 * Implement event fields listing
1141 * Implement field listing command
1142 * Fix: Block all signals in listener thread
1143 * Add CodingStyle document to tarball
1144 * Add coding style document
1145 * endian.h: support cygwin
1146 * align.h: support cygwin page size
1147 * Add cygwin support to libringbuffer getcpu.h
1148 * Add "2x int" and "2x long" types to the Java interface
1149 * Add Integer and Long tracepoint types to the Java interface
1150 * Fix: don't SIGBUS when filesystem is full
1151 * tracepoint: include stdio.h for NULL definition
1152 * manpage update: document that probes need gcc
1153 * Fix: remove # in front on extern "C" {
1154 * Cleanup: don't use GNU old-style field designator extension
1155 * Fix: remove padding field after variable sized array
1156 * Use unsigned long type for events discarded counter
1157 * Fix: getcpu build with modern uClibc versions
1158 * Fix: lttng-ust.pc needs to specify -ldl
1159 * Fix: examples Makefiles should pass $(LIBS) at last
1160 * Build a jar for the Java side of the JNI interface
1161 * Fix: ustctl need to send the second fd upon error of 1st fd
1162 * Fix: Add missing fork test program dependency library
1163 * Fix: Make the JNI interface actually work
1164 * Merge branch 'dev'
1165 * Fix: stringify version description
1166
1a94cf83
MD
11672012-03-29 lttng-ust 2.0.1
1168 * Use bsd-compatible fcntl for close-on-exec on socket
1169 * Fix multi-session wildcard support
1170 * Fix event lost count when buffer is full
1171 * Remove inappropriate \n from easy-ust sample
1172
649282a8
MD
11732012-03-20 lttng-ust 2.0.0
1174 * First STABLE version
1175 * Add version name
1176
68d9f89e
MD
11772012-03-20 lttng-ust 2.0.0-rc4
1178 * Fix out-of-bound write in ltt-events.c
1179 * Document LTTNG_UST_DEBUG_VALGRIND compilation flag
1180 * Update COPYING
1181 * Add exception handling to lttng-gen-tp io operations
1182
8e2d61c8
MD
11832012-03-16 lttng-ust 2.0.0-rc3
1184 * Fix: sendmsg should retry on EINTR, and use MSG_NOSIGNAL
1185 * fix: ustcomm_close_unix_sock should close, not shutdown
1186 * Fix: do not print EPIPE perror, as it is an expected error
1187 * Ensure that multiplication of clock offset is done on 64-bit
1188 * Add 2 missing licenses in deprecated tests
1189 * Remove unbuild and unused (deprecated) make_shared_lib test
1190 * License text standardization, add missing licenses
1191 * Cleanup: remove duplicate check for 0 num_subbuf and subbuf_size
1192 * Fix: power of 2 size check should apply to size_t type, not uint32_t
1193 * Fix: recvmsg should handle EINTR
1194 * Make lttng-gen-tp work on python 2.6
1195 * Make lttng-gen-tp executable
1196
bf1175c2
MD
11972012-03-02 lttng-ust 2.0.0-rc2
1198 * Manpage fixes
1199 * Fix: dmesg printout should not print metadata warnings
1200 * Fix: use transport name as channel name
1201 * Fix: Add signature check in tracepoint activation
1202 * Fix: add tracepoint signature at tracepoint definition site
1203 * Fix: keep event probe signature, for use by event probe signature check
1204 * Fix ABI: add padding to structures shared between UST and consumer
1205 * Fix ABI: add padding to tracepoint and ring buffer config public structu
1206 * Fix ABI: Adding missing padding in tracepoint event structures
1207 * Fix: Add include/lttng/ust-config.h to git ignore
1208 * Fix effect: update README about dlopen()
1209 * Fix: fixup vtid TLS
1210 * Fix: fixup ringbuffer tls at constructor by forcing read
1211 * Fix: fix deadlock with dlopen() lttng-ust
1212 * Fix: only print event errors every 1048576 hits
1213 * Fix: add missing debug printout to identify the cause of lost events
1214 * fix: liblttng-ust-ctl should check for incorrect parameters
1215 * fix: ust comm error handling segfault
1216 * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_
1217 * fix: on exit, leave thread/mmap reclaim to OS
1218 * fix: Handle sys_futex with async cancel, add missing pthread_join
1219 * fix: Only munmap the wait page when not exiting from process
1220 * Use CPPFLAGS instead of CFLAGS for -I
1221 * Fix type range comparison always false for 64-bit arch
1222 * demo: remove useless libs
1223 * tests: include missing headers
1224 * Add missing limits.h include for NAME_MAX
1225
1796af86
MD
12262012-02-20 lttng-ust 2.0.0-rc1
1227 * Standardize version across toolchain
1228 * Fix a typo in gen-tp Makefile
1229 * Implement the .o file generation in lttng-gen-tp
1230
58bfa9af
MD
12312012-02-16 lttng-ust 1.9.8
1232 * Fix comment in tracepoint.h
1233 * Add loglevel info to manpage
1234 * Remove stale binary file
1235 * Add lttng-ust(3)
1236 * Add a man page for lttng-gen-tp
1237 * Install easy-ust and gen-tp examples in doc/
1238 * Create the lttng-gen-tp tools as an helper to generate UST .h and .c files
1239 * Add missing #define _GNU_SOURCE for sched_getcpu()
1240 * Define _GNU_SOURCE for all implementation files rather than getcpu.h
1241 * Add sched_getcpu and sysconf to AC_CHECK_FUNCS
1242 * Mark lib_ring_buffer_print_errors unused
1243 * Cleanup: remove extra space from easy_ust example
1244 * Add missing comma to tracepoint STAP_PROBEV call
1245
43f76196
MD
12462012-02-13 lttng-ust 1.9.7
1247 * liblttng-ust-java: add missing -classpath ./
1248 * Only specify that sdt.h provides system integration for now
1249 * Add STAP_PROBEV check ton configure.ac
1250 * Add sdt.h integration
1251 * Remove extern C around probe header
1252 * Move lttng/config.h to lttng/ust-config.h, and use LTTNG_UST_ namespace
1253 * Add a configure report at the end of the output
1254 * Add sdt.h integration option
1255 * Set default loglevel in metadata
1256 * Fix: LTTng-UST java jni wrapper does not build with OpenJDK
1257
94b6d0d1
MD
12582012-02-09 lttng-ust 1.9.6
1259 * Fix tracepoint.h multiple .o within module/core exec linkage bug
1260 * tracepoint: name -> _name to fix possible namespace clash
1261 * Add debug printout to tracepoint.c
1262 * Rename liblttng-ust-libc to liblttng-ust-libc-wrapper
1263 * Update hardcoded loglevel
1264 * Add "easy_ust" example
1265 * Update gitignore
1266 * Zero-initialize struct msghdr
1267 * Add environment information
1268 * Fix event-specific enabling
1269 * Update static lib linking
1270 * liblttng-ust-libc: fix linking
1271 * liblttng-ust-libc: fix lib dependency
1272 * Install README and ChangeLog into system doc
1273 * Add hello-static-lib test
1274 * Fix static provider linking: introduce TRACEPOINT_PROBE_DYNAMIC_LINKAGE
1275 * Fix 32-bit type: allocated len is used
1276 * Fix 32-bit type mismatch
1277
e4d66fb5
MD
12782012-02-02 lttng-ust 1.9.5
1279 * UST comm ABI: Add padding, push version to 2.0
1280 * Update loglevel names
1281 * Implement loglevels as event and wildcard attributes
1282 * Update loglevel ABI: only loglevel value/enum is known by UST
1283 * Pre-assign fixed loglevels
1284 * Remove old (now unused) loglevel control code entirely
1285 * Update loglevel selection ABI
1286 * Use boot_id as monotonic clock uuid
1287 * clock: add clock description to metadata
1288 * Properly fix the timekeeping overflow detection
1289 * Revert "Fix timestamps for slow-paced event rates"
1290 * Revert "Force 64-bit timestamps"
1291 * Declare struct lttng_ust_calibrate
1292 * Force 64-bit timestamps
1293 * demo program: ensure we don't link demo on useless libs
1294 * ust comm: Receive second FD even if 1st receive failed
1295 * ust consumer: close shm fd after mapping it
1296 * Add a comment about which wait fd is closed early by UST.
1297 * Remove leftover structure in ust-abi.h
1298 * Close stream and channel file descriptors as soon as passed to
1299 sessiond
1300 * Fix AC_LANG_SOURCE usage: only takes one parameter
1301 * Fix timestamps for slow-paced event rates
1302 * configure.ac: Use AC_LANG_SOURCE for if else macros
1303 * Add execution instructions to the demo test program
1304 * Force the building of shared noinst libraries in the demo test
1305 program.
1306 * Only print the futex perror in debug mode
1307
54d2e210
MD
13082011-12-23 lttng-ust 1.9.4
1309 * Split liblttng-ust into liblttng-ust and liblttng-ust-tracepoint libs
1310 * Comment the union field (only used in call_rcu scheme)
1311
dddc9140
MD
13122011-12-21 lttng-ust 1.9.3
1313 * Fix clock source overflow on 32-bit archs
1314 * Remove unused trace_clock_frequency
1315 * check for negative wait() return value
1316 * Add DBG message when registering a probe
1317 * Only show futex warning "perror" in debug mode
1318
07a0da24
MD
13192011-12-14 lttng-ust 1.9.2
1320 * Add missing ust_libc.h to Makefile.am
1321 * Use DBG instead of WARN for futex_wake workaround message
1322 * Make dlopen more robust by using the .0 target for the library
1323
943be3a0
MD
13242011-12-13 lttng-ust 1.9.1
1325 * First LTTng-UST 2.0 prerelease.
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