Update version to v2.2.0
[lttng-tools.git] / ChangeLog
1 2013-06-25 lttng-tools 2.2.0 (National Catfish Day)
2 * STABLE VERSION
3 * Fix: if relayd is unreachable, disable consumer for the session
4 * Fix: possible infinite loop in disable ust event
5 * Fix: don't enable a channel if a session was already started
6 * Fix: bad type for the relayd id
7 * Fix: add debug statement in kernel flush metadata
8 * Fix: destroy default created channel if add-context fails
9 * Fix: clarify tracefile size/count in lttng.1 man
10 * Fix: don't stop a session that was not previously started
11 * Fix: update lttng.1 man page
12 * Fix: bad protocol flow between sessiond and consumerd
13 * Fix: kernel memory leak in error path
14
15 2013-06-20 lttng-tools 2.2.0-rc3
16 * Multiple memory and fd leak fixes in sessiond and consumerd
17 * Test: stress test added to the repository but not in make check
18 * Using LTTNG_HOME environment variable if exists, with fallback to HOME
19 * Implement health check for app registration dispatch
20 * Implement health check for app notification thread
21 * Revert "Improve channel listing output format"
22 * Fix: use lttng pipe to send new stream to thread
23 * Change consumer_metadata_pipe to be a lttng_pipe
24 * Change consumer_data_pipe to be a lttng_pipe
25 * Add wrappers for pipe
26 * Add --version command-line option to lttng.
27 * Add --with-lttng-ust-prefix config option.
28 * Fixes from coverity scan.
29 * Stability fixes
30 * RCU hash table are now destroyed in a seperate thread in sessiond
31
32 2013-05-09 lttng-tools 2.2.0-rc2
33 * Fix: split UST per UID/PID default values
34 * Fix: don't start the relayd with a wrong --output dir
35 * Fix: Erroneous automatic session name when streaming
36 * Fix: wrong data port when listing session's URI
37 * Fix: don't create a channel on an enable channel
38 * Tests: Add missing test_utils_parse_size_suffix to unit tests
39 * Fix: print lttng strerror on enable event with filter
40 * Fix: change relayd protocol version to 2.2
41 * Fix: reset current size for tracefile rotation
42 * Fix: remove extra -I for python bindings
43 * lttng UI: round up trace file size to subbuf size if needed
44 * Fix lttng UI: fix arg parsing, round size to next power of two
45 * Fix: check errors in lttng command argument values
46 * Implement get_count_order in lttng utils
47 * lttng cli: Accept human readable sizes for --subbuf-size
48 * Unit tests: don't rebuild units under test
49 * Fix: consumerd metadata channel/cache/timer races
50 * Fix: consumerd channel destroy race
51 * Cleanup: document RCU read-side lock better
52 * consumer relayd interaction: fix segfaults
53 * Fix: change order of fd get to fix error path
54 * Fix: fd leak when creating UST metadata channel
55 * Fix: fd leak on error
56 * Fix consumerd fd leak
57 * Fix RCU-related hangs: incorrect lttng_ht_destroy use
58 * rculfhash: check for callers from RCU read-side C.S.
59 * Fix: don't call hash table destroy under rcu read-side c.s.
60 * Documentation: import updated comments from urcu
61 * Fix: segfault in buffer_reg_channel_destroy()
62 * Fix: add missing goto error in UST consumer
63 * Fix: no need to use run_as_open in the relayd
64 * Fix: typo in enable-channel man and help
65 * Fix: add some missing hidden attribute
66 * Fix: per-uid buffers should only be flushed once on stop
67 * Cleanup: Use own mutex within timer setup/teardown
68 * Fix: channel management thread should hold a refcount
69 * Fix: move metadata cache setup before ownership passing
70 * Fix: consumer metadata switch timer error handling
71 * Fix: set ptr to NULL to suppress old gcc warnings
72 * Fix: linking order of libraries
73 * Fix: multiple type mismatch in debug statement
74 * Fix: remove mention of trace directory layout in quickstart doc
75 * Fix: remove unused path variables from session obj
76 * Fix: update lttng.1 man and enable-channel help with read timer size
77 * Fix: use channel per domain default values
78 * Fix: typos in the code base
79 * Fix: deny multiple event types with enable-event
80 * Fix: deny the same port for data and control URL
81 * Fix: reset consumer destination when changing URIs
82 * Fix: don't allow different control and data destination
83 * Fix: typos in error strings
84 * Improve channel listing output format
85 * Fix: enable-channel accepts mismatched option
86 * Fix: validate buffer type for UST channel creation
87
88 2013-03-28 lttng-tools 2.2.0-rc1
89 * Add UST per UID buffers support
90 * UST metadata generation are created on the sessiond side
91 * Move LTTng-UST buffer ownership from application to consumer
92 * Add a UST registry of events and channel in the sessiond
93 * UST periodical metadata flush
94 * Refactor tests to use prove and tap
95 * Support for trace file rotation for the relayd and on disk
96 * Support per-context filtering
97 * Add channel wakeup fd to monitor close
98 * Deprecate enable/disable-consumer
99 * Multiple fixes and memory leak fix.
100
101 2012-12-20 lttng-tools 2.1.0 (13th Baktun)
102 * STABLE VERSION 2.1.0-stable - "Basse Messe"
103 * Multiple minor fixes
104 * Multiple memory and fd leaks
105 * Fix: Off by one in seq num for data pending command
106 * Fix: flag metadata stream on quiescent control cmd
107 * Fix: prioritize control socket communication in relayd
108 * Fix: poll and epoll fd set reallocation
109 * Fix: add missing goto pending if data is inflight
110 * Fix: remove ua_sess->started assert on stop trace
111 * Set classes of traffic in high_throughput_limit
112 * Fix: use the poll wait ret value when iterating on fd(s)
113 * Fix: force the poll() return value to be nb_fd
114 * Fix: Wrong check of node when cleaning up ht
115 * Fix: set started flag of ust app after ustctl
116 * Fix: memory leak in add relayd socket error path
117 * Fix: add packed attribute to filter structure
118 * Fix: Add missing health code update for consumer command
119 * Add LTTNG_PACKED macro
120 * Fix data pending for inflight streaming
121 * Map session id of relayd and sessiond in consumer
122 * Add the relayd create session command
123 * Make the consumer sends a ACK after each command
124 * Remove MSG_WAITALL on every recvmsg() socket typ
125 * Fix: Add missing relayd ht cleanup and ht destroy
126 * Fix: Relayd and sessiond version check
127 * Fix: protect consumer_find_channel with rcu locking
128 * Fix: don't steal key when adding a metadata stream
129 * Consumer hold stream mutex for add stream
130
131 2012-12-03 lttng-tools 2.1.0-rc9
132 * Fix: set the stream ht static in consumer file
133 * Update sessiond man page with new env var
134 * Update lttng.1 man page
135 * Fix: enable-consumer for all domains missing dir
136 * Fix: Add missing fct prototypes when disabling UST
137 * Fix a typo in lttng-probe-module name
138 * Assign values to enum lttcomm_sessiond_command
139 * Fix: run health test only if root
140 * Clarify empty string/NULL filter errors
141 * Fix: add missing padding for UST filter
142
143 2012-11-22 lttng-tools 2.1.0-rc8
144 * Fix: Uninit. variable in lttng view
145 * Add already enabled UST event error code
146 * lttng.h API update: set filter becomes enable event with filter
147 * Change the UST event hash table match function
148 * Pass lttng_event struct to the set_filter API call
149 * Adding context to an event is no longer possible
150 * Add UST overlap tests
151 * Add filter sequence number to UST
152 * Fix: Typo from a previous patch in an assert()
153 * Fix: Warn if session is running with lttng view
154 * Fix: Add bash requirement to README for make check
155 * Fix: add the notion of domain to lttng.1 man page
156 * Enable additional kernel probes
157 * Update CodingStyle
158 * Use the new functions for default subbuf sizes
159 * Add default subbuf sizes getter functions
160 * Add max() and min() macro in common
161
162 2012-11-13 lttng-tools 2.1.0-rc7
163 * Fix: Add pointer check when freeing poll events
164 * Fix: FD leak on thread error
165 * Fix: Wrong fd used by kernel_wait_quiescent
166 * Support new lttng-ust error code
167 * Fix: Don't set filter if enable event fails
168 * Fix: Wrong data port when listing session
169 * Fix: Enable event after start command
170 * Fix: Teardown of thread_manage_clients on failure of listen/create_poll
171 * Add a timeout to UST application socket
172 * Fix: Consumerd error socket connect race
173 * Fix: Set CLOEXEC flag on every created sockets
174 * Remove consumer poll timeout in data thread
175 * Fix: RCU hash table seed
176 * Fix: Do not install health tests helper libraries
177 * Fix: Create default channel on add-context if none
178 * Support new liblttng-ust-ctl error code
179 * Fix: Add EPIPE error handling on buffer splice
180 * Fix: Channel creation error return code was not set
181 * Fix: Wrong poll events on UST application socket
182 * Fix: Remove dependency to urcu-cds in tools tests
183 * Fix: Missing librt dependency in configure check for lttng-ust-ctl
184 * Fix: Don't append datetime to default session name
185 * Fix: Deny session creation name 'auto'
186 * Fix: Add space for stream name CPU number
187 * Fix: Add output option to enable-channel command
188
189 2012-11-02 lttng-tools 2.1.0-rc6
190 * Tests: Add filtering tests for uncovered cases
191 * Fix: Sync issue when deleting a data stream
192 * Rename data_available to data_pending
193 * Fix: consumer health state
194 * Fix: Add the ACCOUNTING flag to ht creation and set bucket size to 0
195 * Fix: Bad return error code handling
196 * Fix: Use after free() of the rundir string
197 * Fix: Cleanup UST app session on ustctl create session error
198 * Fix: add missing pthread_join in sessiond
199 * Fix: free running directory string
200 * Fix: UST app clean list node usage
201 * Add liblttng-ctl destructor to cleanup memory
202 * Fix: Cleanup URIs on teardown
203 * Fix: relayd memleaks
204 * Fix: Memory leaks of allocated URIs
205 * Fix: consumer output memory leak on creation
206 * Fix: missing addrlen initialization before accept(2)
207 * Fix: relayd trace file padding memleak
208 * Fix: Remove useless consumer subdir string concatenation
209 * Fix: lttng create allocated path memleak
210 * Fix: Cppcheck memleakOnRealloc mistake
211 * Fix: Synchronization issue for data available command
212 * Fix: consumer relayd cleanup on disconnect
213 * Fix: Handle the unary bitwise negation operator (~) in the XML printer
214 * Fix: Possible memory leaks when creating filter IR root node
215 * Fix: Delete stream on write error in consumer
216 * Fix: Error handling when sending relayd sockets to consumer
217 * Add stream lock comment for nesting
218 * Fix: Mutex and RCU lock nesting in consumer
219 * Fix: Uninitialized ret code
220 * Fix: Remove bad condition and fix overflow issue
221 * Fix: consumerd pthread error flow
222 * Fix: Set a single return point and mutex unlock
223 * Fix: Remove useless NULL and zero assignment
224 * Fix: segfault on create session with two URLs
225
226 2012-10-22 lttng-tools 2.1.0-rc5
227 * Fix: Remove network stream ID ABI calls
228 * Tests: Add filtering tests
229 * Wait for data availability when stopping a session
230 * Relayd data available command support
231 * Lib lttng-ctl data available command support
232 * Consumer daemon data available command support
233 * Add data structure for the data available command
234 * Change the metadata hash table node
235 * Make stream hash tables global to the consumer
236 * Move add data stream to the data thread
237 * Rename consumer threads and spawn them in daemon
238 * Fix: relayd close stream command was not working
239 * Fix: Relayd and consumerd socket leaks
240 * Fix: Missing -ENODATA handling in the consumer
241 * Fix: Empty metadata buffer(s) on HUP|ERR
242 * ABI with support for compat 32/64 bits
243 * Fix: Stream allocation and insertion consistency
244 * Fix: output number of bytes written by relayd
245 * Add hash table argument to helper functions
246 * Fix: Add missing call rcu and read side lock
247 * Tests: Fix LD_PRELOAD library lookup path for health tests
248 * Fix: Add arbitrary wait period for kernel streaming test
249 * Fix coding style and add/change debug statements
250 * Fix: Build out of src tree
251 * Tests: Add health check tests to configure
252 * Tests: Add health check thread stall test
253 * Tests: Add health check thread exit test
254 * Tests: Add a health check utility program
255 * Add testpoints in lttng-sessiond for each threads
256 * New testpoint mechanism to instrument binaries for testing
257 * Fix: off-by-one in comm proto between lttng-ctl and sessiond
258 * Fix: Metadata stream leak when received in consumer
259 * Fix: consumer_allocate_stream error handling
260 * Fix: consumer should await for initial streams
261 * Fix: Missing rcu read side lock in consumer
262
263 2012-09-26 lttng-tools 2.1.0-rc4
264 * Fix: Change sempahore to pthread conditions
265 * Fix: relayd relay_send_version: handle sscanf return code
266 * Fix relayd: NULL ptr deref
267 * Fix: relayd: possible NULL ptr deref, memory leak, accept fd leak
268 * Tests: add print bytecode to filter grammar test
269 * Cleanup: assign values to bytecode opcodes
270 * Fix: Filter: Fix allocation length error
271 * Fix: Filter: add missing ast free
272 * Tests: Add high throughput with bandwidth limits test
273 * Fix: Returned code when listing kernel channel
274 * Tests: Rename helper functions to have consistent names
275 * Tests: Cleanup redundant code and use printing helper functions
276 * Tests: Add helper functions for printing status and banner
277 * Tests: Add a check for color support when printing status
278 * Fix: Lib lttng-ctl on error returns lttng code
279 * Fix: lttng_set_event_filter() was returning bad error code
280 * Fix: printing [no write] on lttng list -uf
281 * Fix: Disable event on filter error with lttng
282 * Fix: Wrong returned error code on UST enable event
283 * Add consumer commands to lttng.1 man page
284 * Add lttng_health_check(3) man page
285 * Fix: Remove LPOLLNVAL from consumer metadata revents
286 * Fix: Mismatch of field name between ust and tools
287 * Add the written value when listing fields
288 * Fix: Consumer return value check after mmap/splice
289 * Don't send the subbuffer padding for streaming
290 * Fix: Returned error code in consumer on read buffer
291
292 2012-09-12 lttng-tools 2.1.0-rc3
293 * Fix: Relayd fix ret value when adding a connection
294 * Add new thread in consumer for metadata handling
295 * Fix: consumer recv command error path
296 * Fix filter: fix recent regressions
297 * Update lttng-ust-abi.h from upstream lttng-ust
298 * Fix: Accept bytecode of length 65536 bytes
299 * Fix: Generation of bytecode longer than 32768 bytes fails
300 * Fix: Filter bytecode alloc buffer size must be a power of 2
301 * Add lttng-ctl SWIG python bindings
302 * Add C++ support to API header files
303 * Librarify filter in liblttng-ctl and hide symbols
304 * Set hidden visibility for calls used in lttng-ctl
305 * Notify the user if a filter is already enabled
306 * Install lttng-error.h and include it in lttng.h
307 * Add lttng-error.h containing every API err. code
308 * Fix: missing hostname context
309
310 2012-08-22 lttng-tools 2.1.0-rc2
311 * Fix: put back 2.0 output text for lttng create cmd
312 * Fix: remove set subdir call that uses bad ptr
313 * Filter: Handle the unary bitwise not operator (~) with an unsupported
314 * Fix: missing mutex unlock on register consumer err
315 * Remove underscore from ifndef of lttng.h
316 * Remove unused define in lttng.h
317 * Standardize lttng command line usage text
318 * Merge duplicate code in consumer for destroy relayd
319 * Merge duplicate code in consumer for add relayd
320 * Fix: Possible buffer overflows in strncat() usage
321 * Move code out of main.c and fix some issues
322
323 2012-08-17 lttng-tools 2.1.0-rc1
324 * Feature: Network Streaming
325 * Add the lttng-relayd binary for network streaming
326 * Support user space tracer filtering
327 * Multiple fixes
328
329 2012-04-19 lttng-tools 2.0.1
330 * Fix: test script for kernel module validation
331 * Fix: report error to client on consumerd error
332 * Fix: add missing ht_destroy at consumer teardown
333 * Fix: consumer fd recv thread should write into non-blocking pipe
334 * Fix: work-around glibc __nptl_setxid vs clone hang
335 * Fix: consumer fd recv poll should be sensitive to POLLPRI too
336 * Fix consumer lttng_consumer_poll_socket poll revents check bug
337 * Fix: increase consumer open files limit
338 * Update README: document dep on modprobe for kernel tracing
339 * Fix: wait for sessiond to stop in tests
340 * Fix: remove unused return variable
341 * Don't report back error on syscalls fail for -a -k
342 * Fix: destroy context hash table being NULL
343 * Fix: make lttng expand path for trace output opt
344 * Fix: return value signedness
345 * Fix: man page environment variable name error
346 * Fix: check return value on getenv USER
347
348 2012-03-20 lttng-tools 2.0.0
349 * Fist STABLE version
350 * Add version name: Annedd'ale
351
352 2012-03-20 lttng-tools 2.0.0-rc4
353 * Fix: add small detail to enable-channel man page
354 * Fix: warned of arbitrary time for ust-nprocesses test
355 * Fix. add limitation to man page
356 * Fix: minor changes to lttng.1
357 * Fix: add exit values to lttng.1 man page
358 * Fix: add delay before validating apps in test nproc
359 * Fix: error handling in lttng enable-event
360 * Fix: document structure init. to 0 in lttng.h
361 * Fix: uninitialized variable
362 * Keep track of FD used for UST applications (v2)
363 * Fix: lttng view, error message and exit code
364 * Small fixes to lttng man pages (v2)
365 * Fix: handle EINTR for sendmsg syscall
366 * Fix: lttng UI exit value and error message
367 * Fix: session lock use after free
368 * Fix kernel_list_events memleaks
369 * Fix debug message use uninitialized variable
370 * Fix: trace_ust_destroy_metadata should check for NULL pointer
371 * Fix: various memleaks
372 * Fix: hash table allocation out of order on error
373 * fix: lttng_ht_destroy memleak
374
375 2012-03-16 lttng-tools 2.0.0-rc3
376 * Fix: missing headers for make dist
377 * Fix: install lttng-consumerd in lib/lttng/libexec/
378 * Fix: Redefine MAP_STACK to 0 if not defined by the architecture
379 * Fix: consumer CPU hotplug support
380 * Fix: double PID registration race
381 * Make libcompat independent not to confuse automake
382 * Clarify the license of lttng-ust-abi.h
383 * Fix: License header
384 * Fix: wrong return value on consumer socket creation
385 * Fix: test for UST invalid channel parameters at channel creation
386 * Fix: recvmsg should handle EINTR
387 * Fix: error.h non-static variables for liblttng-ctl
388 * Fix: missing _GNU_SOURCE define
389 * Fix: improve need root for kernel tracing error message
390 * Fix: start/stop lttng message error
391
392 2012-03-02 lttng-tools 2.0.0-rc2
393 * Fix: meaningful error message
394 * Fix: UST consumer need to iterate on streams, just change their key
395 * Fix: add missing rcu read lock across RCU HT iteration
396 * Fix: kernel session closes fd 0 after create
397 * Fix: sendmsg EPIPE should be quiet by default (expected)
398 * Fix: thread_registration_apps should set its local sock to -1 when passing it
399 * Fix: clock -> sock typo
400 * Fix: consumer race: should allow reuse of FD key
401 * Fix: Use PERROR all across lttng-tools, never make it quiet
402 * Fix: test all close return values in sessiond
403 * Fix: All perror turned into PERROR to show file and line number
404 * Fix: large audit of close() use in sessiond main.c
405 * Fix: main.c client/apps sockets and kernel_trace_fd close(0)
406 * Fix: incorrect close of fd 0 for syscall kernel event destroy
407 * Fix: sessiond has incorrect missing 0 value in FD check
408 * Fix: sessiond app listening: use posix-compliant poll flags
409 * Fix: consumer printf type should match ssize_t (%zd)
410 * Fix: make ust consumer posix compliant for poll flags
411 * Fix security permission on lttng run directory
412 * Fix: Display right loglevel_type in error message
413 * Fix documentation in lttng.h
414 * Fix: lttng UST and kernel consumer: fix ret vs errno mixup
415 * Fix: restart consumerd and sessiond when interrupted in poll()
416 * Fix: handling bad channel when sending to consumer
417 * Fix useless variable
418 * Fix add-context returned error
419 * fix: add missing break in command handling
420 * fix: command handling: do not check domain for commands not requiring domain
421 * fix: if tracing group does not exist, do not report a client error
422 * Fix: run_as error handling
423 * Fix usage note on -a
424 * Revert FreeBSD compatibility layer
425 * Fix: documented number of subbuffers is incorrect
426 * Document that num-subbuf and subbuf-size need to be power of 2
427 * Merge branch 'master' of git://git.lttng.org/lttng-tools
428
429 2012-02-20 lttng-tools 2.0.0-rc1
430 * Fix lttcomm_close_unix_sock to actually close the socket
431 * lttng-sessiond: Set group permissions explicitly
432
433 2012-02-16 lttng-tools 2.0-pre23
434 * configure.ac: Fix consumerd64-libdir typo
435 * Fix existing session daemon check
436 * Fix missing session locks
437 * Fix return value on ust app session create
438 * Fix double start/stop trace
439 * Fix ust app session started state on start trace
440 * modprobe statedump, signal and timer lttng module
441 * Fix hyphens in man pages
442
443 2012-02-14 lttng-tools 2.0-pre22
444 * Add the bash-completion file to the dist tarball
445 * Add the LICENSE file too
446 * Package used for the Ubuntu LTS (feature freeze)
447
448 2012-02-13 lttng-tools 2.0-pre21
449 * Fix licensing for hashtable/utils.c
450 * Print loglevel value in list -u
451 * Remove "<all> from MSG() when no loglevel is selected
452 * Initial import of man lttng.1 and lttng-sessiond.8
453 * Fix memory leak master
454
455 2012-02-09 lttng-tools 2.0-pre20
456 * New lttng view command
457 * Multiple loglevel fixes
458 * Fix list command
459 * Fix session syscall listing
460 * Multiple fixes across the code base
461
462 2012-02-02 lttng-tools 2.0-pre19
463 * Update lttng ust ABI/API copy
464 * Implement UST calibrate and change default
465 * Add MSG_WAITALL to recvmsg of sessiond-comm
466 * Check kernel version for tests
467 * Add a '--list-options' option to each command.
468 * First import of extras/ with lttng bash completion
469 * Remove default defines from lttng.h
470 * Fix lttng sessiond spawn wait race
471 * Add CMD_WARNING error code
472 * Fix context mapping for UST and kernel
473 * Add kernel work-around for boot_id
474 * Rewrites lttng-ctl's set_session_daemon_path
475 * Fix memory lean in all lttng cli commands
476 * Update loglevel ABI
477 * Add padding to all ABIs for future development.
478 * Improve error handling of lttng cli
479 * Multiple fixes across the code base (nothing critical)
480
481 2012-01-23 lttng-tools 2.0-pre18
482 * Complete change of the source directory tree
483 * Move compat to common and create an internal lib
484 * Rename lttngerr.h to error.h
485 * Add kernel module version validation
486 * Add UST version validation
487 * Change SIGCHLD to SIGUSR1 when lttng waiting on sessiond
488 * Fix off-by-one and double list size instead of steady increment
489
490 2012-01-19 lttng-tools 2.0-pre17
491 * Add and support the new hash table library
492 * Add lttng hash table support to liblttng-consumer
493 * RCU support for consumer's hash tables
494 * UST consumer close shm fd after mapping it
495 * Remove CLONE_VM flag for runas making gdb debugging impossible
496 * Make MSG() print on stdout instead of stderr
497 * Don't init kernel tracer if not root (UID=0)
498 * Multiple fixes found when reaching max. number of open files
499 * Add some UST tests
500 * Multiple segfaults and assert error fixed
501
502 2011-12-23 lttng-tools 2.0-pre16
503 * Per-user lttng-sessiond now fully functionnal
504 * Fix nested double usage of hashtable iterators
505 * Support creds passing between lttng and sessiond
506 * Rename sessiond internal "uid" fields to "id"
507 * Create all trace directories and files with client user credentials
508 * Create output directory at session creation command
509 * Only allow the user or group owning the session (or root) to control a session
510 * Add disable kernel tracing option to sessiond
511
512 2011-12-13 lttng-tools 2.0-pre15
513 * (MAJOR) User-space tracing support for global domain (lttng-ust 2.0)
514 * UST consumer 32/64 bit support
515 * Multiple bug fixes
516 * Multiple segfault, race and double lock fixes
517 * API change for lttng_list_domains, lttng_start/stop and lttng_destroy
518 * UST loglevel support
519 * ABIs now support 256 char event names
520 * Dependency on libpopt >= 1.13
521 * Dependency on URCU >= 0.6.7
522 * Rename kernel-ctl.c/.h to kernel.c/.h
523 * Change malloc to zmalloc in lttng-sessiond code
524 * RCU hashtable support for all UST data structure
525 * New libconsumer for UST, kernel and one generic
526 * Change "--all" option from lttng command line
527 * Remove function entry option to discourage its use
528
529 2011-09-30 lttng-tools 2.0-pre14
530 * Syscall tracing support
531 * Multiple bug fixes (nothing critical)
532 * Add userspace RCU hash table to tree for dev
533 * Update UST ABI
534 * Fix epoll that did not handle EINTR
535 * Liburcu >= 0.6.5 is needed from this release
536 * Enabling all events also enable syscall tracing
537 * Debug messages are now on stderr
538 * Add basic data structure for UST support but not ready yet.
539
540 2011-08-25 lttng-tools 2.0-pre13
541 * Memory leaks fixes and double lock list
542 * Add UST registration with sychronisation
543 * Use poll/epoll compatibility layer for the sessiond
544 * Major code cleanup of ltt-sessiond/main.c
545 * Increase listen() connexion limit
546 * Fix bad enable-channel command
547 * Rename trace.c/.h to trace-kernel
548 * Multiple fixes on the poll management with the new epoll API
549
550 2011-08-25 lttng-tools 2.0-pre12
551 * Multiple fixes
552 * Fix kconsumerd handling custom channel output
553 * Add lttng_register_consumer to register a custom consumer
554 * Add multiples tests of the session daemon
555 * Default kernel channel size/number changed
556 * Support for UST application registration
557 * Import LTTng UST 2.0 ABI
558 * Send data to kconsumerd before tracing start
559 * Export API of lib kernel consumer (liblttngkconsumerd)
560
561 2011-08-12 lttng-tools 2.0-pre11
562 * New lttng API using the lttng_handle
563 * Multiple fixes of kernel consumer
564 * Register the consuming function and add a library context
565 * Kernel consumer fix mmap/munmap
566 * lttng-sessiond-comm header has been privatize
567 * Kernel traces are written in the kernel/ directory
568 * Add underscore to enable-channel command options
569
570 2011-07-29 lttng-tools 2.0-pre6
571 * Fix enable multiple events
572 * Add function entry feature
573
574 2011-07-28 lttng-tools 2.0-pre5
575 * Fix Add context command
576 * Fix auto session path creation
577 * Fix bad strncmp at channel creation
578
579 2011-07-23 lttng-tools 2.0-pre4
580 * Fix kprobe attributes
581 * Fix channel creation when not found at event enable
582 * Add safe list iteration
583 * Add two tests into the git tree
584 * Kernel consumer can be put in debug mode with -vv
585 * Trace path is now created on the client side
586
587 2011-07-23 lttng-tools 2.0-pre3
588 * Fix perf hw cache counter config values
589
590 2011-07-22 lttng-tools 2.0-pre2
591 * Multiple fixes
592 * New add-context options for perf counter and context
593 * Using the install bin path from autotool for execl() call
594 * Update quickstart guide
595
596 2011-07-20 lttng-tools 2.0-pre1
597 * First prerelease of lttng-tools.
598 * Working with the LTTng v2.0-pre1 modules and Babeltrace v0.1
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