1 2013-05-09 lttng-ust 2.2.0-rc3
2 * Tracepoint.h: replace assertion by fprintf and abort()
3 * Remove unused assert.h from bitfield.h
4 * Clarify probe registration documentation/errors
5 * Add mising include in ust.h
6 * lttng-gen-tp: Fix include guard name with file using non valid characters
7 * Fix: segfault when print invalid command
8 * Fix: Add --no-as-needed to the demo example's Makefile
9 * zmalloc: attribute always_inline
10 * Fix: liblttng-ust process startup hang when sessiond is stopped
11 * Move include directive from CFLAGS to LOCAL_CPPFLAGS in examples' Makefiles
12 * Add parameter -f to rm in Makefile clean target
13 * Fix: missing dependency for liblttng-ust-tracepoint.so
15 * Add warning about default prefix and library paths to README
16 * Revert "Revert "Fix (another) linker library order""
17 * Revert "Revert "Fix linker library order""
18 * snprintf: play nice with static checker
19 * tracepoint.c: Add coverity alloc/free annotations
20 * Fix: "fields" leak on register
21 * Fix: memory leak for events without fields
22 * Fix: memory leak on connection reset
23 * Revert "Fix linker library order"
24 * Revert "Fix (another) linker library order"
25 * Fix: incorrect support for multi-context
26 * Fix (another) linker library order
27 * Fix typo in run script
28 * Fix linker library order
29 * Fix examples: add missing CPPFLAGS
30 * example Makefiles: standardize on $^ for linking
31 * Fix demo example Makefile
32 * Move "hello-static-lib" to doc/examples and add non-automake Makefiles
34 2013-05-09 lttng-ust 2.2.0-rc2
35 * manpage: Document probe provider compatibility
36 * Fix: add provider ABI compatibility check
37 * Cleanup: ignore mktemp return value
38 * Cleanup: documentation: argument vs field
39 * Documentation: document undefined behavior for NULL pointers
40 * Cleanup: silence cppcheck error
41 * Fix: add internal mutex for timer
42 * 32-bit warning fix for cyg profile fast
43 * Fix warnings for 32-bit in lttng-ust-cyg-profile
45 * Fix: tracepoint.h incorrect assumption about constructor order
46 * Cleanup: comment mismatch with code
47 * Fix: ABI breakage between 2.1 and 2.2-rc1
48 * Documentation: document that sequence len field is unsigned
49 * connect: don't report EACCES
50 * connect: don't print error on EPERM
51 * Bump liblttng-ust-ctl lib version major number
52 * Optimisation: implement callsite hash table in tracepoint.c
53 * Optimisation: only update added library in tracepoint.c
54 * Optimisation: only fix pending events once per lazy update
56 2013-03-28 lttng-ust 2.2.0-rc1
57 * Fix: tracepoint instrumentation constructor order issue
58 * Documentation: update 2.0 to 2.x
59 * Add demo test back as an example
60 * Don't rely on explicit context for filtering
61 * Implement per-context filtering
62 * Fix: filter string comparison should check for literal
63 * update tests/demo readme file
64 * Add man page for lttng-ust-cyg-profile
65 * Fix: filter string wildcard comparison
66 * Fix: Remove test runner script
67 * Fix: forwarding of call_site argument to field
69 * Tests: Use Perl prove as the testsuite runner
70 * Remove tests depending on consumerd
71 * Convert hello.cxx test to a build test
72 * Clean-up of configure.ac and tests/Makefile.am
73 * Fix snprintf test and output result to TAP format
74 * Replace same_line_marker test with same_line_tracepoint
75 * Remove tests-libustinstr-malloc
76 * Remove exit-fast test
80 * Remove outdated test-nevents test
81 * Remove outdated simple_include test
82 * Remove outdated register_test test
83 * Convert hello-static-lib test to a build test
84 * Convert hello test to a build test only
85 * Remove outdated libustctl_function_tests test
86 * Remove outdated test hello2
87 * Remove outdated dlopen test
88 * Remove outdated test basic long
89 * Remove outdated test basic
90 * cyg_profile: implement fast and verbose .so
91 * Performance: add unlikely to tracepoint dynamic linking test
92 * Fix: _LGPL_SOURCE rcu dereference fix
93 * Implement liblttng-ust-cyg-profile function entry/exit instrumentation
94 * Minor fix: libc wrapper internal run script
95 * Fix: ustctl_recv_register_event pointer mixup
96 * Fix: allow enabling same events for two channels
97 * Add channel ID field to attr
98 * Remove useless else clause
99 * tracepoint: move "probe" test outside of loop
100 * Fix uninitialized has_loglevel variable
102 * Cleanup: work-around clang unused result warning
103 * Cleanup compile warning
104 * Cleanup: remove unused variables
105 * tracepoint: Don't add NULL probes
106 * Remove mention of locking issues associated with dlopen usage
107 * Implement read timer (for RT)
108 * Only flush when there are readers active
109 * Add mutex for channel wakeup fd update
110 * Fix: fields should be initialized to NULL
111 * Implement ustctl_duplicate_ust_object_data
112 * Add channel wakeup fd to monitor close
113 * Fix: refcount issue in lttng-ust-abi.c
114 * Fix: only consumerd should print errors
115 * Implement ring buffer periodic buffer switch timer
116 * Fix: ensure all probe providers have their symbols
117 * Reactivate error printing
118 * Unregister tracepoint probes when not needed
119 * Cleanup: remove now unused metadata code from UST
120 * Fix: notification timeout logic
121 * Fix: don't print error in comm proto connect on ENOENT
122 * Fix: return expected error return values for sessiond
123 * Fix: set wait/wake fd to -1 before close
124 * Fix: Only notify socket should have timeout/nonblock
125 * Fix: ustctl: return -EPIPE to sessiond if connection is closed
126 * Fix: Add timeout on notification socket
127 * Remove now unused metadata printf code
128 * Move metadata creation into lttng-sessiond and lttng-consumed
129 * Add write metadata API to ust-ctl.h
130 * Move UST registry into sessiond and implement notifiers
131 * Fix: don't flush-final for offset 0 if reader is on sub-buffer
132 * Use tp rcu link test in provider
133 * Remove direct dependency of probes on urcu-bp
134 * Use urcu tls-compat.h
135 * Lazy provider registration
136 * Always use lttng_get_probe_list_head to get probe list
138 * Move LTTng-UST buffer ownership from application to consumer
139 * Fix package: don't distribute generated headers
140 * Fix: don't cancel already exited threads
141 * Scalability fix: tracepoint.c hash table size increase
142 * Scalability fix for many events: event hash table size
143 * Speed up probe registration for large amount of events
144 * Add missing demo-trace shell script to dist tarball
145 * Documentation: add uuid package name for Fedora in README
146 * Fix: missing test for lttng_ust_comm_should_quit in lttng-ust-comm.c
147 * Add compilation support for Tile architectures
148 * Documentation: clarify debian package name for uuid in README
149 * Fix: comment in ust-ctl.h
150 * Fix I/O-related error values in ustctl
151 * Introduce hash table for lttng_create_event_if_missing()
152 * Fix: don't build C++ example if a C++ compiler isn't available
153 * Remove LIBFORMAT output in configure.
154 * Document dependency on libuuid
156 2012-12-20 (13th Baktun) lttng-ust 2.1.0
157 * Bump liblttng-ust-ctl lib version major number
158 * Bump UST proto version minor number
159 * Helper to debug: add object name
160 * Tests: Fix rundir not created in ust-basic-tracing
161 * ust test: add missing return -1
162 * Test: update ust tracing unit tests to 2.1 internal ABI
163 * Tests: Fix rundir not created in ust-multi-test
164 * Adapt internal files and examples to TRACEPOINT_INCLUDE
165 * Adapt tests to TRACEPOINT_INCLUDE
166 * Cleanup: tests remove hello.cxx/ust_tests_demo.h
167 * Fix: don't do macro expansion in tracepoint file name
168 * Fix lttng-gen-tp: Template file must end in .tp
169 * Pack structures in comm protocol between UST and sessiond
170 * Cleanup lttng-gen-tp: Help not showing when using -h,--help
171 * Cleanup lttng-gen-tp: remove leading underscore before include guard
172 * fix memleak: ustctl free shadow chan on ustctl_unmap_channel()
173 * Update license text
174 * Fix: check if event enabled for bytecode-less events
175 * Fix: handle enablers without bytecode
176 * Print probe provider mismatch error even without -Wsystem-headers
177 * filter: Add missing padding
179 2012-11-22 lttng-ust 2.1.0-rc2
180 * filter interpreter cleanup: use uint64_t for retval
181 * Fix: filter linking can dereference NULL pointer on alloc failure
182 * Cleanup: remove whitespaces and EOL in tests
183 * Filter: use only single lower bit of filter return value
184 * Fix: filter: var len array at end of external structure
185 * Fix: filter link fail handling
186 * Fix: add missing seqnum field to filter
187 * filters: perform union rather than intersection
188 * Implement support for overlapping wildcard/events
189 * Cleanup: add lttng_/lttng-/LTTNG_ prefixes
190 * filter: add seqnum field to filter command
191 * Filter iteration: iterate on list of filters
192 * document that tracepoint names should ideally not be re-used
193 * Remove LIBFORMAT config declaration, unused
194 * Add libc errno translation layer to UST error code
195 * Fix: add const qualifier for filter local void *
196 * Fix: re-allow non-lvalue string, sequence, array parameters
197 * Tear down handles associated with a closed sessiond socket
198 * Distinguish UST return codes from transport return codes
199 * Fix: Conditionally disable tests requiring shared libs support
200 * Cleanup: don't spawn per-user thread if HOME is not set
201 * Manpage: document supported UST contexts
202 * Fix: procname context semantic
203 * Fix: Fix self-assign warning on struct ustfork_clone_info init
204 * Fix: memcpy of string is larger than source
205 * Implement liblttng-ust-fork daemon() override test
206 * liblttng-ust-fork: override daemon() call
207 * ustfork: set errno to ENOSYS if symbol lookup fails
208 * Fix: be quiet on filter linker error
209 * Build out of src tree
210 * Fix: filter bytecode specializer stack leak
211 * Fix: reloc offset validation error out on filters with no reloc table
212 * Perform calculation on bit size in 64-bit
213 * Use uint64_t for packet header content size and packet size
214 * Fix: manpage typo "-lllttng-ust" -> "-llttng-ust"
215 * Fix: BSD getprogname null pointer dereference
216 * Add support for model.emf.uri event info
217 * Filter error message cleanup
218 * Manpage update: document use in daemons
219 * Fix: get_wait_shm() ust mutex deadlock (add 2 missing exit calls)
220 * Fix: get_wait_shm() ust mutex deadlock
221 * Fix: add events with 0 field to field list
223 2012-09-10 lttng-ust 2.1.0-rc1
224 * Fix make dist: fix liblttng-ust-java dependencies
225 * Fix make dist: add missing filter header
226 * Fix: backward compatibility with UST 2.0 app probes
227 * Fix: Filter ABI changes to support FILTER_BYTECODE_MAX_LEN (65536)
228 * Export "written" information about fields
229 * Fix filter: pointer to string, not string, should be on stack
230 * Fix: tracepoint float nowrite
231 * Fix: accept 65536 bytes long bytecodes
232 * Add hostname to env
233 * ABI change: bump internal version to 3.0.0
234 * Fix: threads should be created in DETACHED state
235 * Fix: 32-bit x86 strict-aliasing warnings
236 * Fix UST SIGPIPE handling
237 * Fix: Libtool fails to find dependent libraries when cross-compiling lttng-ust
238 * Cleanup: filter: turn bytecode linking error msg into debug
239 * Make lttng-ust robust against -finstrument-functions.
240 * Filter: keep aliased ax and bx registers
241 * Filter: remove interpreter dynamic typing
242 * Filter: add missing specialized op names
243 * Filter: specialize double-s64 binary comparators
244 * Fix filter: fix stack leak on taken branch
245 * Filter: Implement stack-based interpreter
246 * Filter: double comparator produces s64
247 * Filter: use hash table to check merge points
248 * Filter: split passes into separate components
249 * Filter: cleanup macros
250 * Filter: validate range overflow with end of insn
251 * Filter: validate that field ref strings are non-NULL
252 * Filter: ensure logical operator merge is always s64
253 * Filter: we don't care if double/s64 are literals
254 * Filter: specialize 'and' and 'or' ops.
255 * Implement dispatch-table based interpretor
256 * Filter: Specialize unary operators
257 * Define switch use as macro in interpreter
258 * Filter interpreter: mark float test as unlikely
259 * Filter: fix bytecode validation typo
260 * Filter: specialize comparators
261 * Specialize load and unary ops
262 * Validate registers, no need to initialize to 0
263 * Filter: opcode for ref loads
264 * Remove redundant validation from interpreter
265 * filter: Add bytecode validation pass
266 * TRACEPOINT_EVENT: add *_nowrite fields for filter
267 * Only print filter errors if LTTNG_UST_DEBUG is set
268 * Cleanup: remove debug define
269 * Filter: add floating point support
270 * Remove filter test printouts
271 * Implement filter bytecode interpreter and linker
272 * Filter: receive, attach and link empty filter
273 * Filter: prepare filter stack data
274 * Wrap dynamic len array into stackvar union
275 * liblttng-ust-comm/lttng-ust-com.c: remove unnecessary goto in ustcomm_accept_unix_sock()
276 * liblttng-ust/lttng-ust-comm.c: fixing typo.
277 * Fix: remove unused texinfo dep from configure.ac
278 * Fix C99 strict compatibility: don't use void * for function pointers
279 * Fix c99 compatibility: tp_rcu_dereference_bp() should not use braced-groups within expressions
280 * Revert "Fix c99 compatibility: tp_rcu_dereference_bp() should not use braced-groups within expressions"
281 * Fix c99 compatibility: tp_rcu_dereference_bp() should not use braced-groups within expressions
282 * Fix: perform TLS fixup of nest count outside of UST mutex
283 * Fix: liblttng-ust-fork deadlock
284 * Fix: handle pthread errors
285 * Fix: local apps allowed should disable local (not global) tracing
286 * Fix strict ISO-C compatibility for ust-tracepoint-event.h public header
287 * Fix: support -std=c99 in tracepoint macros
288 * Fix c99 compatibility: use __typeof__ instead of typeof in public headers
289 * hello test: fail on old style definition
290 * Fix: tracepoint.h should not generate old-style definitions
291 * Fix: don't define variables in headers
292 * test "hello": add boolean test
293 * Fix: perform macro expansion on tracepoint signatures
294 * UST check pointer/de-reference order
295 * Fix list field: handle error
296 * Implement event fields listing
297 * Implement field listing command
298 * Fix: Block all signals in listener thread
299 * Add CodingStyle document to tarball
300 * Add coding style document
301 * endian.h: support cygwin
302 * align.h: support cygwin page size
303 * Add cygwin support to libringbuffer getcpu.h
304 * Add "2x int" and "2x long" types to the Java interface
305 * Add Integer and Long tracepoint types to the Java interface
306 * Fix: don't SIGBUS when filesystem is full
307 * tracepoint: include stdio.h for NULL definition
308 * manpage update: document that probes need gcc
309 * Fix: remove # in front on extern "C" {
310 * Cleanup: don't use GNU old-style field designator extension
311 * Fix: remove padding field after variable sized array
312 * Use unsigned long type for events discarded counter
313 * Fix: getcpu build with modern uClibc versions
314 * Fix: lttng-ust.pc needs to specify -ldl
315 * Fix: examples Makefiles should pass $(LIBS) at last
316 * Build a jar for the Java side of the JNI interface
317 * Fix: ustctl need to send the second fd upon error of 1st fd
318 * Fix: Add missing fork test program dependency library
319 * Fix: Make the JNI interface actually work
321 * Fix: stringify version description
323 2012-03-29 lttng-ust 2.0.1
324 * Use bsd-compatible fcntl for close-on-exec on socket
325 * Fix multi-session wildcard support
326 * Fix event lost count when buffer is full
327 * Remove inappropriate \n from easy-ust sample
329 2012-03-20 lttng-ust 2.0.0
330 * First STABLE version
333 2012-03-20 lttng-ust 2.0.0-rc4
334 * Fix out-of-bound write in ltt-events.c
335 * Document LTTNG_UST_DEBUG_VALGRIND compilation flag
337 * Add exception handling to lttng-gen-tp io operations
339 2012-03-16 lttng-ust 2.0.0-rc3
340 * Fix: sendmsg should retry on EINTR, and use MSG_NOSIGNAL
341 * fix: ustcomm_close_unix_sock should close, not shutdown
342 * Fix: do not print EPIPE perror, as it is an expected error
343 * Ensure that multiplication of clock offset is done on 64-bit
344 * Add 2 missing licenses in deprecated tests
345 * Remove unbuild and unused (deprecated) make_shared_lib test
346 * License text standardization, add missing licenses
347 * Cleanup: remove duplicate check for 0 num_subbuf and subbuf_size
348 * Fix: power of 2 size check should apply to size_t type, not uint32_t
349 * Fix: recvmsg should handle EINTR
350 * Make lttng-gen-tp work on python 2.6
351 * Make lttng-gen-tp executable
353 2012-03-02 lttng-ust 2.0.0-rc2
355 * Fix: dmesg printout should not print metadata warnings
356 * Fix: use transport name as channel name
357 * Fix: Add signature check in tracepoint activation
358 * Fix: add tracepoint signature at tracepoint definition site
359 * Fix: keep event probe signature, for use by event probe signature check
360 * Fix ABI: add padding to structures shared between UST and consumer
361 * Fix ABI: add padding to tracepoint and ring buffer config public structu
362 * Fix ABI: Adding missing padding in tracepoint event structures
363 * Fix: Add include/lttng/ust-config.h to git ignore
364 * Fix effect: update README about dlopen()
365 * Fix: fixup vtid TLS
366 * Fix: fixup ringbuffer tls at constructor by forcing read
367 * Fix: fix deadlock with dlopen() lttng-ust
368 * Fix: only print event errors every 1048576 hits
369 * Fix: add missing debug printout to identify the cause of lost events
370 * fix: liblttng-ust-ctl should check for incorrect parameters
371 * fix: ust comm error handling segfault
372 * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_
373 * fix: on exit, leave thread/mmap reclaim to OS
374 * fix: Handle sys_futex with async cancel, add missing pthread_join
375 * fix: Only munmap the wait page when not exiting from process
376 * Use CPPFLAGS instead of CFLAGS for -I
377 * Fix type range comparison always false for 64-bit arch
378 * demo: remove useless libs
379 * tests: include missing headers
380 * Add missing limits.h include for NAME_MAX
382 2012-02-20 lttng-ust 2.0.0-rc1
383 * Standardize version across toolchain
384 * Fix a typo in gen-tp Makefile
385 * Implement the .o file generation in lttng-gen-tp
387 2012-02-16 lttng-ust 1.9.8
388 * Fix comment in tracepoint.h
389 * Add loglevel info to manpage
390 * Remove stale binary file
392 * Add a man page for lttng-gen-tp
393 * Install easy-ust and gen-tp examples in doc/
394 * Create the lttng-gen-tp tools as an helper to generate UST .h and .c files
395 * Add missing #define _GNU_SOURCE for sched_getcpu()
396 * Define _GNU_SOURCE for all implementation files rather than getcpu.h
397 * Add sched_getcpu and sysconf to AC_CHECK_FUNCS
398 * Mark lib_ring_buffer_print_errors unused
399 * Cleanup: remove extra space from easy_ust example
400 * Add missing comma to tracepoint STAP_PROBEV call
402 2012-02-13 lttng-ust 1.9.7
403 * liblttng-ust-java: add missing -classpath ./
404 * Only specify that sdt.h provides system integration for now
405 * Add STAP_PROBEV check ton configure.ac
406 * Add sdt.h integration
407 * Remove extern C around probe header
408 * Move lttng/config.h to lttng/ust-config.h, and use LTTNG_UST_ namespace
409 * Add a configure report at the end of the output
410 * Add sdt.h integration option
411 * Set default loglevel in metadata
412 * Fix: LTTng-UST java jni wrapper does not build with OpenJDK
414 2012-02-09 lttng-ust 1.9.6
415 * Fix tracepoint.h multiple .o within module/core exec linkage bug
416 * tracepoint: name -> _name to fix possible namespace clash
417 * Add debug printout to tracepoint.c
418 * Rename liblttng-ust-libc to liblttng-ust-libc-wrapper
419 * Update hardcoded loglevel
420 * Add "easy_ust" example
422 * Zero-initialize struct msghdr
423 * Add environment information
424 * Fix event-specific enabling
425 * Update static lib linking
426 * liblttng-ust-libc: fix linking
427 * liblttng-ust-libc: fix lib dependency
428 * Install README and ChangeLog into system doc
429 * Add hello-static-lib test
430 * Fix static provider linking: introduce TRACEPOINT_PROBE_DYNAMIC_LINKAGE
431 * Fix 32-bit type: allocated len is used
432 * Fix 32-bit type mismatch
434 2012-02-02 lttng-ust 1.9.5
435 * UST comm ABI: Add padding, push version to 2.0
436 * Update loglevel names
437 * Implement loglevels as event and wildcard attributes
438 * Update loglevel ABI: only loglevel value/enum is known by UST
439 * Pre-assign fixed loglevels
440 * Remove old (now unused) loglevel control code entirely
441 * Update loglevel selection ABI
442 * Use boot_id as monotonic clock uuid
443 * clock: add clock description to metadata
444 * Properly fix the timekeeping overflow detection
445 * Revert "Fix timestamps for slow-paced event rates"
446 * Revert "Force 64-bit timestamps"
447 * Declare struct lttng_ust_calibrate
448 * Force 64-bit timestamps
449 * demo program: ensure we don't link demo on useless libs
450 * ust comm: Receive second FD even if 1st receive failed
451 * ust consumer: close shm fd after mapping it
452 * Add a comment about which wait fd is closed early by UST.
453 * Remove leftover structure in ust-abi.h
454 * Close stream and channel file descriptors as soon as passed to
456 * Fix AC_LANG_SOURCE usage: only takes one parameter
457 * Fix timestamps for slow-paced event rates
458 * configure.ac: Use AC_LANG_SOURCE for if else macros
459 * Add execution instructions to the demo test program
460 * Force the building of shared noinst libraries in the demo test
462 * Only print the futex perror in debug mode
464 2011-12-23 lttng-ust 1.9.4
465 * Split liblttng-ust into liblttng-ust and liblttng-ust-tracepoint libs
466 * Comment the union field (only used in call_rcu scheme)
468 2011-12-21 lttng-ust 1.9.3
469 * Fix clock source overflow on 32-bit archs
470 * Remove unused trace_clock_frequency
471 * check for negative wait() return value
472 * Add DBG message when registering a probe
473 * Only show futex warning "perror" in debug mode
475 2011-12-14 lttng-ust 1.9.2
476 * Add missing ust_libc.h to Makefile.am
477 * Use DBG instead of WARN for futex_wake workaround message
478 * Make dlopen more robust by using the .0 target for the library
480 2011-12-13 lttng-ust 1.9.1
481 * First LTTng-UST 2.0 prerelease.
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