ChangeLog

   1 2018-04-30 lttng-tools 2.9.9 (CERN announces WWW protocols will be free)
   2         * Add DBG statement for TCP keep-alive options
   3         * Fix: failure to launch agent thread is not reported
   4         * Fix: agent may not be ready on launch
   5         * Fix: lttng logs nanoseconds
   6         * Fix: stream_per_chan_id_ht should allow duplicates
   7         * Fix: relayd send_command() util not logging on failure
   8         * Fix: kernel snapshot handling of EAGAIN
   9         * Fix validate_trace_empty test check
  10         * Fix: hold consumer socket lock for consumer_send_msg
  11         * Fix: use off_t type for lseek function return value to avoid overflow
  12
  13 2018-03-26 lttng-tools 2.9.8 (Purple Day)
  14         * Fix: set errno with value from SO_ERROR on error.
  15         * Fix: missing value handling for lttng_event_context_type
  16         * Fix: Use SOL_SOCKET level for SO_KEEPALIVE on all platform
  17         * Fix: error out on leftover arguments
  18         * Fix: reply to version check even on protocol mismatch
  19         * Fix: error handling on relay version check
  20         * Document add-context limitation for started session
  21         * Fix: add-context cannot be performed after a session has been started
  22         * Fix: duplicated kernel consumer socket locking
  23         * Fix: remove unused event types in MI XML schema
  24         * Tests: cleanly exit from test apps on reception of SIGTERM
  25         * Document consumer socket locking assumptions
  26         * Fix: consumer socket lock not held during snapshot record
  27         * Fix: set_relayd_for_snapshot does not acquire the consumer socket lock
  28         * Document the locking assumptions of consumerd-relayd socket passing
  29         * Assert that the consumer lock is held while sending FDs to consumerd
  30         * Assert that the consumer socket lock is taken during communication
  31         * Tests: refuse to run test suite if lttng processes are present
  32         * Fix: metadata channel leak when using the snapshot tracing mode
  33
  34 2018-02-05 lttng-tools 2.9.7
  35         * Fix: do not flag consumer as disabled on relayd comm failure
  36         * Fix: cleanup inactive FDs in the consumer polling thread
  37         * man: document dead-peer detection for lttng-relayd
  38         * lttng-relayd: use TCP keep-alive mechanism to detect dead-peer
  39         * Fix: unknown consumer type considered a libc error
  40         * Fix warning: src/bin/lttng/utils.c: cast incompatible pointer
  41         * Fix: src/common/pipe.h: include <sys/types.h> for ssize_t and mode_t
  42         * Fix: detect dlmopen() and disable corresponding tests if not available
  43         * Fix: resolve full path of LTTNG_UST_CLOCK_PLUGIN
  44         * lttng-enable-event(1): filtering: specify that `$ctx.cpu_id` is available
  45         * Fix: Make version.h generation work with dash
  46         * Fix: buffer overflow warning in python bindings
  47         * Tests fix: BT2 does not output the metadata of a trace collection
  48
  49 2017-08-03 lttng-tools 2.9.6 (Watermelon Day)
  50         * Fix: uninitialized return value on error path
  51         * Fix: ensure kernel context is in a list before trying to delete it
  52         * Fix: ambiguous ownership of kernel context by multiple channels
  53         * Fix: ret is never used on error_open code path
  54         * Fix: use error code path instead of break when errors happen before execl
  55         * Fix: wrong variable assignment on error
  56         * Fix: missing error handling in use of print_tabs()
  57         * Fix: ret is used instead or err to set an error code
  58         * Fix: report error using fd instead of ret
  59         * Fix: NULL passed to memcpy in error path
  60         * Fix: lost packet accounting always lost on snapshot
  61         * Fix: report error on session listing
  62         * Fix live-comm: merge TCP socket write-write sequence in a single write
  63         * Fix: join consumer timer thread
  64
  65 2017-06-14 lttng-tools 2.9.5 (National Bourbon Day)
  66         * Fix: test_utils_expand_path passes NULL to sprintf
  67         * Fix: lttng list of channels should return errors
  68         * Fix: discard event/lost packet counters
  69         * Fix: missing errno.h include in time.h compat header
  70         * Fix: registry can be null on lookup
  71         * Test: Replace test relying on pselect6(2) man page ambiguity
  72         * Fix: use "flush empty" ioctl for snapshots
  73         * Fix: lttng-consumerd: cpu hotplug: send "streams_sent" command
  74         * Fix: lttng-sessiond: cpu hotplug: send channel to consumer only once
  75         * Fix: lttng-sessiond: cpu hotplug stream number mismatch
  76         * Fix: consumer_timer_signal_thread_qs waits on LTTNG_CONSUMER_SIG_SWITCH
  77         * Fix: thread exit vs futex wait/wakeup race
  78         * Fix: status_loc argument of waitpid() is used on error
  79         * Fix: COMPAT_EPOLL_PROC_PATH is available from Linux 2.6.28
  80         * doc: how to trace consumerd with valgrind
  81         * Cleanup: initialize kernel ioctl ABI structures to 0
  82         * Cleanup: initialize data to 0
  83         * Fix: assert() on null index_file in lttng_index_file_write()
  84         * Fix: fail on relayd lookup when finding a relayd is expected
  85
  86 2017-02-20 lttng-tools 2.9.4 (Love Your Pet Day)
  87         * Port: Link with no-undefined on Windows
  88         * Port: win32 DLLs don't support hidden symbols
  89         * Port: add cygwin support to endian compat
  90         * Fix: Remove unused headers
  91         * Fix: tests: register thread for RCU operations.
  92         * Fix: Lazily initialize max poll set size in poll compat
  93         * Fix: null dereference on error path for create_ctx_type
  94         * Fix: test_ust_data dereference of null pointer
  95         * Fix: test_kernel_data dereference of null pointer
  96         * Man: move [SESSION] before options
  97         * Fix: consumerd: add missing put_subbuf for ust and kernel errors
  98         * Fix: sessiond: only send streams to consumer once
  99         * Fix: consumerd main: needs to be a registered RCU thread
 100         * Fix: thread_dispatch_ust_registration needs to be a RCU thread
 101         * Fix: don't abort metadata push on closed metadata
 102         * lttng-tools: remove bogus interpreter line from utils shell library
 103
 104 2017-01-09 lttng-tools 2.9.3 (National Cassoulet Day)
 105         * Fix: consumerd: order of metadata cache vs stream lock
 106         * Fix: add missing rcu_barrier before daemon teardown
 107         * Fix: Add missing pthread.h include
 108         * Fix: support for older versions of Babeltrace in test script
 109         * Fix: reverse channel and metadata cache lock nesting order
 110
 111 2017-01-07 lttng-tools 2.9.2 (National Bobblehead Day)
 112         * Fix: only lock the metadata_cache in userspace consumers
 113         * Fix: lock nesting order reversed
 114
 115 2017-01-06 lttng-tools 2.9.1 ("Wheel Of Fortune" debuts on NBC)
 116         * Fix: lttng-relayd: forcefully close stream on relayd shutdown
 117         * Fix: protect the channel's metadata stream using the metadata cache lock
 118         * Fix: double unlock of metadata mutex on error
 119         * Fix: add element length check in lttng_index_file_open
 120         * Fix: free previous instance of url (alloc_url) on default live url assignation
 121         * Fix: relayd vs consumerd compatibility
 122         * lttng-add-context(1): add missing man: prefix
 123
 124 2016-11-29 lttng-tools 2.9.0 (National Square Dance Day)
 125         * Add 2.9.0 release beer description
 126         * lttng-add-context(1): fix style
 127         * lttng-snapshot(1): fix style
 128         * lttng-metadata(1): fix style
 129         * doc/man: put short option's argument too
 130         * Remove `metadata` command from various help resources
 131         * List the `regenerate` command in various help resources
 132         * lttng-load(1): fix synopsis and style
 133         * Fix: truncate the metadata file in shm-path
 134         * Load: add message indication that a name override was carried out
 135         * Load: expose overrides elements in mi
 136         * Fix: assign values to path, ctrl and data uris during configuration load
 137         * Load: test that name override does not have side effects
 138         * Docs: remove invalid short option -U and move option descriptions
 139         * Fix: add missing refcount of loaded modules
 140         * Fix: only unload successfully loaded kernel modules
 141         * Fix: test cases now rely on explicit workloads
 142         * m4/pprint.m4: update with correct quoting
 143         * configure.ac: move warning to end of output for the end user
 144         * doc/man: only require asciidoc-attrs.conf when building the man pages
 145         * Test fix: increase test count in plan of test_perf_raw
 146         * Create a dedicated test suite for Perf
 147         * Tests: accommodate stricter mktemp implementations in tests
 148         * Add version info to lttng-relayd help
 149         * Fix: stop sessiond threads on health thread error
 150         * Fix: stop lttng-relayd threads on health thread error
 151         * Fix: report an error if unix socket address is too long
 152         * Fix: save: leak of configuration file fd
 153
 154 2016-10-07 lttng-tools 2.9.0-rc1 (National Frappé Day)
 155         * Set 2.9 codename and description
 156         * Fix: warn when a loaded session can't be set as the default
 157         * Warning fix: forward declare struct lttng_ust_calibrate
 158         * lttng-enable-channel(1): remove redundant --discard from synopsis
 159         * test: load --override-name
 160         * load: introduce --override-name
 161         * man: lttng-load fix up
 162         * Docs: grammar fix in load.h
 163         * lttng_ctl: add session_name to load override
 164         * Fix: test presence of override_attr before accessing its member
 165         * load: objects returned by getters do not need to be freed
 166         * Remove lttng_load_session_attr_get_override_path_url
 167         * Docs: change order of set functions in load.h to match get
 168         * Remove calibrate documentation
 169         * Remove calibrate from liblttng-ctl
 170         * Remove calibrate from lttng-sessiond
 171         * Remove calibrate from Python bindings
 172         * Remove calibrate from Bash completion script
 173         * Remove calibrate tests in Python bindings
 174         * Remove calibrate command from lttng CLI
 175         * Build fix: remove load-42-stream.lttng from dist target
 176         * Test: load --override-url
 177         * Add --override-url option to load command
 178         * Apply the overrides attributes during configuration load
 179         * Clean-up: remove copy-pasted comment from save.c
 180         * lttng-ctl: add override helper to load api
 181         * Rename override to overwrite for config_load_session
 182         * Fix: report truncation on snprintf
 183         * Fix: check for a session daemon before running load command
 184         * Fix: ignore SIGPIPE
 185         * Use lttng api for the load command
 186         * Fix: use ssize_type for the return value of uri_parse_str_urls
 187         * Docs: grammar fixes in load.h
 188         * Fix: wrong api comments for load.h
 189         * Fix: do not overwrite ret if already set and session found
 190         * lttng-sessiond: auto-load lttng-probe-i2c module
 191         * Bump lttng-modules ABI minor version
 192         * Fix: handle backward compatibility with lttng-modules 2.7
 193         * Clean-up: remove unnecessary autoconf variable substitution
 194         * Fix: honor negative (unlimited) app socket timeout
 195         * Build: Replace use of deprecated AM_PATH_XML2
 196         * Test fix: set app and network socket timeouts to unlimited
 197         * Test fix: test_fork can hang while waiting for child pids
 198         * Test fix: test_daemon can hang while waiting for child pids
 199         * Test fix: redirect python test subprocess output to /dev/null
 200         * Build fix: macOS Sierra provides clock_gettime
 201         * Fix: time redefinition warnings on macOS builds
 202         * Clean-up: remove unused variable user
 203         * Cleanup: Remove fun from code base
 204         * Fix: remove in-place backup suffix argument provided to sed
 205         * Fix: pass a valid length to accept() on unix domain sockets
 206         * Log signals received by run_as worker
 207         * Missing word in worker_sighandler() comment
 208         * Clean-up snapshot command error reporting
 209         * Fix: RCU lock imbalance on error in cmd_snapshot_list_outputs()
 210         * Use -M parameter instead of --manpath when invoking man(1)
 211         * OOT Build fix: reference the source directory's Python test app
 212         * Fix: pass NULL to config_load_session instead of an empty string
 213         * Tests: don't copy test_python_logging explicitly
 214         * OOT build fix: Missing include of src directory
 215         * Accomodate BSD sed in version.h generation
 216         * Port: Detect platforms where librt is required
 217         * Port: Add OSX clock_gettime compat
 218         * Port: Add OSX support to socket compat
 219         * Port: Add OSX support to poll compat
 220         * Port: Add OSX support to fcntl compat
 221         * Port: Add OSX compat to sessiond-comm/unix.c
 222         * Port: Add OSX endian.h compat
 223         * Port: Add OSX libuuid compat
 224         * Fix: zero-initialize fd_set
 225         * Clean-up: missing cast to fd_set*
 226         * Fix: usage of FD_SET on fd_set > 1024 results in corruption
 227         * Fix: erroneous usage of addr parameter in mmap()
 228         * Clean-up: remove useless assignment
 229         * Fix: missing unmap in test error handling
 230         * Tests: unchecked pthread_join return value
 231         * Clean-up: remove negative check against unsigned value
 232         * Fix: unchecked init_pipe return value
 233         * Tests: Unchecked pthread_create return value
 234         * Clean-up: remove useless assignment
 235         * Tests: Add tracepoints to libbar, libfoo and libzzz
 236         * Fix: Mark ASCIIDOC_ATTRS_CONF as a dependency of man page targets
 237         * Test the parsing of perf raw context
 238         * Enable perf PMU counters by raw ID
 239         * Run userspace perf tests on non-x86 platforms
 240         * Tests: adjust ust-dl planned test count
 241         * Test library load/unload events
 242         * Add missing ust_app_regenerate_statedump_all stub
 243         * Clean-up: remove unused ust_app_regenerate_metadata_all
 244         * Add regenerate command to MI schema
 245         * Manpage for the regenerate statedump command
 246         * Tests for the regenerate statedump command
 247         * Allow regenerating the statedump of a running session
 248         * Kernel ioctl to regenerate the statedump
 249         * UST command to regenerate the statedump
 250         * Rename the "metadata regenerate" command to "regenerate metadata"
 251         * Typo fix: uninitializez ->uninitialized
 252         * Fix: handle negative (unlimited) system stack size limits
 253         * Tests: adjust type declaration test count
 254         * Fix: protocol mismatch between UST and tools
 255         * ust-ctl: use fixed-size integer rather than enum
 256         * Test UST's autoincrementing enumeration values
 257         * Add support for UST's autoincrementing enum entries
 258         * Tests: eliminate process timeouts from Python tests
 259         * Fix: English syntax errors in 'lttng status'
 260         * Test for select, poll and epoll syscall overrides
 261         * Tests: tap.sh spams tests' output when no plan is set
 262         * Fix: Set thread stack size to ulimit soft value
 263         * Fix: location of various standard headers
 264         * Fix: missing include ctype.h for isdigit()
 265         * Fix: strerror_r behavior is glibc specific
 266         * Fix: error.h -> common/error.h
 267         * Fix: snapshot del-output with name on musl
 268         * Fix: sessiond ht_match_event() check if filter is NULL
 269         * configure.ac: fix --enable/disable-kmod option
 270         * Tests: spawn ht_cleanup thread in unit tests
 271         * Lazily initialize max poll set size
 272         * Revert "Assert that a valid clean-up pipe exists on ht_cleanup_push"
 273         * tests: test ust snapshot with discard buffers
 274         * tests: test kernel snapshot with discard buffers
 275         * Allow channel mode override in snapshot sessions
 276         * Fix: validate number of subbuffers after tweaking properties
 277         * Use bool type for save command options
 278         * Clean-up: harmonize popt option declarations in save.c
 279         * Clean-up: move mi_writer declaration with other declarations
 280         * Add name omission and output omission on save to lttng-ctl
 281         * Express overwrite attribute as a byte in communication protocol
 282         * Assert that a valid clean-up pipe exists on ht_cleanup_push
 283         * Fix: do not refer to objects as .o
 284         * Fix: do not link against libtool .o objects
 285         * Fix: Define MANPATH in config.h
 286         * Tests: Make warn_processes.sh more portable
 287         * Fix: add missing script to dist
 288         * Fix: leak of UST app hash tables
 289         * Fix: leak of reply buffer on data pending check
 290         * Fix: call xmlCleanupParser to free global libxml2 allocations
 291         * Fix: missing "void" parameter of lib constructor and destructor
 292         * Docs: fix comment typos in lttng-sessiond's main.c
 293         * Fix: lttng-relayd allow binding of privileged ports for non-root users
 294         * relayd: optimize receive throughput
 295         * Clean-up: harmonize kernctl API error checking
 296         * Introduce LTTNG_IOCTL_CHECK and LTTNG_IOCTL_NO_CHECK macros
 297         * Fix: enforce assumption that lttng-modules ioctl() return <= 0
 298         * Fix: reduce scope of kconsumer consumed_pos and produced_pos
 299         * Docs: document safety of consumer_thread_is_ready access
 300         * Clean-up: unused ret values in thread_manage_health
 301         * Clean-up: remove dead code in sessiond's set_option()
 302         * Fix: set the logger level to prevent unexpected level inheritance
 303         * Typo: Stoping -> Stopping
 304         * Typo: occured -> occurred
 305         * Fix: only perform lttng_consumer_sync_trace_file() in local mode
 306         * Make lttng_consumer_sync_trace_file static
 307         * Fix: don't negate posix_fadvise return value to check error
 308         * Fix Solaris 10 build: use lttng_strnlen() wrapper
 309         * Rename lttng_error_type to lttng_error_level
 310         * Cleanup error.h __lttng_print() used for message printing
 311         * Update coding style document for macro style
 312         * Fix: coding style document has erroneous semicolon at end of macro
 313         * Fix: add missing semicolons after MSG, DBG, ERR print macros
 314         * Tests: inverted condition in test_kernel_data
 315         * OOT build fix: asciidoc.conf is now a source file
 316         * lttng-create(1): use attributes for default ports
 317         * lttng-create(1): add xrefs to creation mode definitions
 318         * lttng-create(1): use the correct DATAPORT/CTRLPORT variables
 319         * lttng-create(1): use def list for net protocols
 320         * lttng-create(1): add relay mode
 321         * doc/man: put AsciiDoc attributes in their own file
 322         * test: UST tracing destroy flush behavior with tracefile rotation
 323         * test: kernel tracing destroy flush behavior with tracefile rotation
 324         * Add environment variable to allow abort on error
 325         * Fix: ust-consumer: flush empty packets on snapshot channel
 326         * Fix: WARN() should print as WARN level, not ERR
 327         * Fix: error.h: add missing parenthesis around macro parameter
 328         * Fix: bogus mask on error.h PRINT types
 329         * Fix: kernel tracing: flush after stop
 330         * Fix: UST should not generate packet at destroy after stop
 331         * Tests: remove flaky '*' kernel wildcard test
 332         * Fix: bad file descriptors on close after rotation error
 333         * Fix: configure.ac: allow --disable-python-bindings
 334         * Fix: merge tap tests stdout and stderr
 335         * Fix: posix_fadvise wrapper returns -ENOSYS on FreeBSD
 336         * Fix: Double free in utils_partial_realpath error path
 337         * Fix: remove logically dead code in send_channel_uid_to_ust
 338         * Fix: unchecked return value in low throughput test
 339         * Tests: abort() exclusion test on allocation failure
 340         * Fix: unchecked posix_fadvise() return value
 341         * Fix: unchecked return value in relayd live.c
 342         * Fix: unchecked return value in trace_clock_read64_monotonic
 343         * Clean-up: remove unnecessary blank line
 344         * Fix: initialize the cur_event variable before using it
 345         * Fix: Dereference after NULL check in consumer
 346         * Tests: abort test on memory allocation failure
 347         * Fix: pointer dereference after NULL check in test_create_ust_event_exclusion
 348         * Fix: NULL pointer dereference in relay_index_get_by_id_or_create
 349         * Clean-up verbosity incrementation in set_option
 350         * Fix: Deference after null check in sessiond set_option
 351         * Docs: clarify comment in parse_pid_string()
 352         * Fix: Wrong sizeof argument in pid tracker
 353         * Fix: tests: incorrect uri index
 354         * Fix: Integer overflowed argument
 355         * Fix: macro compares unsigned to 0 (no effect)
 356         * Fix: Free variable before strdup() in process_event_node
 357         * Fix: Free variables before strdup()
 358         * Fix: Add missing free() in spawn_viewer
 359         * Fix: Add missing free() in utils_partial_realpath
 360         * Fix: Use distinct variables for ret and discarded_events
 361         * Fix: Don't try to show manpage when argv is null
 362         * Fix: Use secure_getenv() in get_man_bin_path
 363         * Fix: illegal memory access in test_create_ust_event_exclusion
 364         * Fix: illegal memory access in test_create_ust_event
 365         * Fix: illegal memory access in test_create_kernel_event
 366         * Fix: illegal memory access in test_create_ust_channel
 367         * Fix: illegal memory access in send_viewer_streams
 368         * Simplify rcu locking in viewer_list_sessions
 369         * Fix: illegal memory access in viewer_list_sessions
 370         * Fix: illegal memory access in relayd_add_stream
 371         * Fix: illegal memory access in relayd_create_session_2_4
 372         * Fix: illegal memory access in session_create
 373         * Fix: illegal memory access in consumer_set_subdir
 374         * Fix: illegal memory access in syscall_init_table
 375         * Fix: illegal memory access in write_pidfile
 376         * Fix: illegal memory access in list_lttng_channels
 377         * Fix: illegal memory access in cmd_snapshot_record
 378         * Fix: illegal memory access in output_init
 379         * Fix: illegal memory access in consumer_set_network_uri
 380         * Fix: illegal memory access in cmd_snapshot_list_outputs
 381         * Fix: illegal memory access in list_events
 382         * Fix: illegal memory access in disable_event
 383         * Fix: illegal memory access in enable_event
 384         * Fix: illegal memory access in add_uri_to_consumer
 385         * Fix: illegal memory access in init_ust_event_from_agent_event
 386         * Simplify free() of channel attribute
 387         * Fix: illegal memory access in _cmd_enable_event
 388         * Implement lttng_strncpy safe string copy
 389         * Add missing symbol to preserve ABI compatibility of liblttng-ctl
 390         * Fix: loading a session prints an error message but the load is successful
 391         * Snapshot warning if there are no events in one of the domains
 392         * Clarify kernel version check error messages
 393         * Tests: same event name with different descriptor on load
 394         * Fix: load event state (enabled/disabled) correctly
 395         * Fix: Error reported if no domain is provided for start/stop
 396         * Handle unknown domain in MI
 397         * Handle unknown domain on session start
 398         * Fix: loading of live session within userspace domains
 399         * Test: expose session url bug on load with multiple domains
 400         * OOT build fix: asciidoc.conf is now generated at configure
 401         * Snapshot: record: use same datetime for snapshot folder output
 402         * Refactor: move the snapshot type check into output type check
 403         * ust-metadata.c: nest/indent enumeration entries
 404         * lttng.c: show basic help when no arguments are provided
 405         * Define command short descriptions in configure.ac
 406         * lttng-relayd(8): $HOME -> $LTTNG_HOME
 407         * doc/man: use propagated default values in man pages
 408         * Propagate default values from configure.ac to asciidoc.conf
 409         * Define default values in configure.ac
 410         * lttng-load(1): use lists to explain the input path behaviour
 411         * lttng-sessiond(8): fix load directories and behaviour
 412         * lttng-load(1): specify default search order
 413         * doc/man: use configured directories in man pages
 414         * doc/man/asciidoc.conf: add doctype-manpage conditions
 415         * doc/man: linklttng macro -> man macro
 416         * doc/man/Makefile.am: add failing dist-hook on --disable-man-pages
 417         * doc/man/Makefile.am: fix top comment
 418         * configure.ac: fix --enable-man-pages help string
 419         * Fix: standardize parser/lexer building
 420         * Fix: standardize man pages building/installing
 421         * configure.ac: check for an existing liburcu-cds symbol
 422         * configure.ac: use macro for wrong liburcu error message
 423         * Hide parse_application_context utility function
 424         * Re-add deprecated MI symbols to preserve ABI compatibility
 425         * Hide new MI symbols introduced as part of 2.8
 426         * Re-add default size symbols which were erroneously exposed
 427         * Hide config symbols introduced in 2.8
 428         * Hide internal _lttng_destroy_session symbol
 429         * Hide bytecode symbol iterator API symbols
 430         * Tests: wording of trace_matches is misleading
 431         * Test lttng-modules clock override plugin
 432         * Warning fix: uninitialized variable may be used
 433         * Tests: Replace prove by autotools tap runner
 434         * Drop installcheck target
 435         * Fix: distcheck requires that we clean version.h
 436         * Fix: configure: forbid Python bindings if shared libraries are disabled
 437         * Fix: tests: don't match command line arguments, match static build binary names
 438         * Fix: tests: skip tests on static build
 439         * Fix: tests: don't build dynamic lib tests if support disabled
 440         * bootstrap: Standardize on autoreconf -vi
 441         * Move unix.h wrapper from sessiond-comm to common
 442         * Fix: update tests following renaming of UST statedump event
 443         * Typo: catched -> caught
 444         * Add comment describing ioctl number duplication
 445         * Test: kill sessiond,relayd and background children on SIGTERM/SIGINT
 446         * Docs: Remove unnecessary exclamation mark
 447         * Docs: fix wording of dependency
 448         * Docs: fix "daemon" typo in README.md
 449         * Fix: Use get_domain_str on add context
 450         * Warning fix: possible use of uninitialized variable
 451         * doc/man: add FILES section
 452         * Test: xsd validation of long path (length > 255)
 453         * Fix: xsd: urls and paths are not of type name_type but string
 454         * Refactor: embed mi in "add_output "to remove code duplication
 455         * Refactor: embed mi in "del_record" to remove code duplication
 456         * Refactor: embed mi in "record" to remove code duplication
 457         * Refactor: embed mi in "list_output" to remove code duplication
 458         * Fix: do not return error on LTTNG_ERR_SNAPSHOT_NODATA
 459         * Fix: Set loopback adress in set_ip_addr if gethostbyname2 fails
 460         * Fix: d_type validity is not guaranteed on all nfs versions
 461         * Fix: doc/man: lttng-add-context(1): add missing option macro
 462         * doc/man: common-footer.txt: add CI link
 463         * doc/man: common-footer.txt: add GH organization link
 464         * doc/man: lttng(1): clarify UST domain and add links to languages
 465         * doc/man: add escwc macro and use it
 466         * doc/man: lttng(1): link from COMMAND (synopsis) to COMMANDS section
 467         * doc/man: use linkgenoptions macro
 468         * doc/man: add linkgenoptions AsciiDoc macro
 469         * .gitignore: ignore all generated files in doc/man
 470         * doc/man: fix external links
 471         * doc/man: xsl: move manpage-base.xsl -> manpage-callouts.xsl
 472         * doc/man: xsl: move manpage-ulinks.xsl -> manpage-links.xsl
 473         * doc/man: xsl: add <URL> after ulink text
 474         * doc/man: xsl: add (internal) link template
 475         * doc/man: lttng-enable-channel(1): move limitations to own section
 476         * Fix: doc/man: lttng-relayd(1) -> lttng-relayd(8)
 477         * doc/man: add nloption and genoption AsciiDoc macros
 478         * doc/man: add [role="term"] to terminal callouts
 479         * Clean-up shm directory tree after freeing the channel
 480         * Fix: Build man pages if --enable-build-man-pages is used
 481         * Fix: convey enum value signedness into metadata
 482         * doc/man: add notes about shell escaping
 483         * Fix: doc/man/Makefile.am for OOT builds
 484         * Generate man pages by default
 485         * Update version to 2.9.0-pre
 486         * Bump minor kernel tracer ABI version
 487         * Quote brewery names in release codename description
 488         * Fix: metadata regenerate, error if too many args
 489         * Fix: add missing sys/types.h header
 490         * Fix: build failure when __GLIBC_PREREQ is missing
 491         * configure.ac: beautify report
 492         * Update version codename and description to 2.8.0 - Isseki Nicho
 493         * doc/man: lttng.1.txt: sort commands in categories
 494         * Data pending message is printed when unnecessary
 495         * README.md: add CI/Coverity status badges
 496         * README.md: add lttng-crash in package contents
 497         * Show lttng-metadata man page in command's --help
 498         * Add an lttng-metadata man page
 499         * Remove untrack reference from snapshot man page
 500         * README.md: add optional dependency on man
 501         * doc/man: install lttng-health-check.3
 502         * lttng-relayd: show man page with --help and remove usage
 503         * doc/man: convert lttng-relayd(8) to AsciiDoc
 504         * lttng-crash.c: show man page with --help and remove usage
 505         * doc/man: convert lttng-crash(1) to AsciiDoc
 506         * lttng-sessiond: show man page with --help and remove usage
 507         * doc/man: convert lttng-sessiond(8) to AsciiDoc
 508         * README.md: bolden all dependencies and versions
 509         * README.md: add asciidoc and xmlto build dependencies
 510         * lttng.c: sort commands to get a nice list output
 511         * doc/man: add README.md
 512         * lttng: add `help` command
 513         * lttng.c: show man page with --help and remove usage
 514         * lttng.c: CMD_UNDEFINED is used for invalid args too
 515         * lttng: remove usage strings from commands
 516         * lttng: show man page when using command's --help
 517         * lttng add-context: add --list option
 518         * doc/man: remove lttng.1 (built from lttng.1.txt)
 519         * doc/man: create lttng-disable-event(1) and update/fix content
 520         * doc/man: create lttng-enable-event(1) and update/fix content
 521         * doc/man: create lttng-snapshot(1) and update/fix content
 522         * doc/man: create lttng-help(1) and update/fix content
 523         * doc/man: create lttng-status(1) and update/fix content
 524         * doc/man: create lttng-untrack(1) and update/fix content
 525         * doc/man: create lttng-track(1) and update/fix content
 526         * doc/man: create lttng-calibrate(1) and update/fix content
 527         * doc/man: create lttng-list(1) and update/fix content
 528         * doc/man: create lttng-add-context(1) and update/fix content
 529         * doc/man: create lttng-disable-channel(1) and update/fix content
 530         * doc/man: create lttng-enable-channel(1) and update/fix content
 531         * doc/man: create lttng-view(1) and update/fix content
 532         * doc/man: create lttng-version(1) and update/fix content
 533         * doc/man: create lttng-stop(1) and update/fix content
 534         * doc/man: create lttng-start(1) and update/fix content
 535         * doc/man: create lttng-load(1) and update/fix content
 536         * doc/man: create lttng-save(1) and update/fix content
 537         * doc/man: create lttng-set-session(1) and update/fix content
 538         * doc/man: create lttng-destroy(1) and update/fix content
 539         * doc/man: create lttng-create(1) and update/fix content
 540         * doc/man: add common OPTIONS head for command man pages
 541         * doc/man: add Makefile.am for generating man pages
 542         * .gitignore: ignore generated man page artifacts
 543         * doc/man: add XSL files for man pages
 544         * doc/man: add asciidoc.conf
 545         * configure.ac: check for asciidoc and xmlto
 546         * doc/man: lttng(1): update and standardize content
 547         * doc/man: convert lttng(1) to AsciiDoc
 548         * Add builtin modules support to kmod modprobe
 549         * Add comments to kmod functions
 550         * Add libkmod rmmod support
 551         * Move libkmod ifdef to beginning of file
 552         * Drop optional control modules load and unload
 553         * Fix: live test header endianness
 554         * Document the live detach command
 555         * Test the viewer detach command
 556         * Use of bare attribute directives instead of LTTNG_PACKED
 557         * Live: command to detach a viewer session
 558         * Contexts for RT debugging
 559         * Optional test for the metadata regeneration
 560         * Add MI output to the metadata regenerate command
 561         * Tests for metadata regenerate
 562         * Add TAGS files to .gitignore
 563         * Fix: systematic overwrite of union values on add context
 564         * Mismatching signature of ust_metadata_session_statedump() stub
 565         * Fix: Initialize events discarded and packet lost counters to zero
 566         * Assert on unknown UST buffer type
 567         * Command metadata regenerate
 568         * Store the relay protocol version in the consumer_output
 569         * Store the version of the tracer in the UID registry
 570         * Store the instance id and packet_seq_num in indexes
 571         * kernctl commands to extract the stream instance id
 572         * Account the lost packets in snapshot mode
 573         * Test: Add the lttng-runas worker process to the sessiond pids
 574         * Limit the scope of IFS overwriting
 575         * Do not overwrite IFS globally but only locally
 576         * Display discarded and lost events at destroy and stop
 577         * Fix: tests: use SIGSTOP for crash extraction test
 578         * Test fix: ignore stderr at every step of randstring
 579         * Fix: session_find_by_id can return NULL legitimately
 580         * Fix: mark ltt_sessions_ht_destroy as static
 581         * Docs: Missing locking assumptions in function headers
 582         * Test fix: ignore stderr when generating random string
 583         * Fix: hold session list lock during delete_ust_app
 584         * Test: prevent the spawning of a daemonized sessiond
 585         * Missing void in function signature
 586         * CLI: Show filter expression associated to a syscall
 587         * Fix: missing dereference when computing extended info position
 588         * Fix: Only save kernel enablers in session configuration
 589         * Fix: Only list kernel enablers when listing events
 590         * Fix: syscalls hash table leaks when listing kernel events
 591         * Initialize command header to zero
 592         * Rename filter string to filter expression in liblttng-ctl
 593         * Fix: use of unsigned variable to check for negative return
 594         * Clean-up: remove unreachable goto
 595         * Fix: missing static inline breaks --without-lttng-ust build
 596         * lttng enable-channel memsets lttng_channel to -1
 597         * Change padding type from array to fixed-width integer
 598         * Clean-up: missing space between cast operator and operand
 599         * Ensure UST channel output mode is LTTNG_UST_MMAP
 600         * Extract the lost packets and discarded events counters
 601         * Send extended channel payload to client
 602         * Add channel discarded events and lost packets stats accessors
 603         * Add extended info to liblttng-ctl's struct lttng_channel
 604         * Reuse constant string instead of duplicate literal
 605         * Clean-up: simplify computation of string position
 606         * Optimization: lttng UI uses sprintf instead of strcpy
 607         * Fix: OOT build fails because of missing include path
 608         * Tests: Consider lttng mi namespace in test_load
 609         * MI: Remove boolean "exclusion" element
 610         * MI: add <exclusions> (event exclusion names)
 611         * CLI: show event exclusion names
 612         * Add new LTTNG_ERR_OVERFLOW error code
 613         * Add lttng_event_get_exclusion_name*() to liblttng-ctl
 614         * Tests: Consider lttng mi namespace in test_mi
 615         * MI: Implement event context schema change
 616         * MI: Add application context type to schema
 617         * MI: add schemaVersion attribute to command schema
 618         * MI: set machine interface XSD target namespace
 619         * Add schema information to XML MI output
 620         * Fix: libxml2 may return 0 because of buffering
 621         * Bump LTTng MI schema to 3.0
 622         * MI: add <filter_expression> (event filter expression)
 623         * Transfer UST exclusion names from sessiond to client
 624         * Fix: return negative error code in list_lttng_ust_global_events()
 625         * CLI: show agent event filter string
 626         * CLI: show event filter string
 627         * Add lttng_event_get_filter_string() to liblttng-ctl
 628         * Transfer filter strings from sessiond to client
 629         * Refactor setup_lttng_msg() to include cmd header
 630         * Add offset comments to struct lttng_event
 631         * Add command header to sessiond->client response msg
 632         * Add internal extended channel structure
 633         * Metadata for instance_id and packet_seq_num
 634         * Add a HT to lookup sessions by id
 635         * Explicitly stop the session on lttng destroy
 636         * Fix: per-pid ust buffers flush race with application unregister
 637         * Fix warning when building Python bindings
 638         * Add CONTRIBUTING.md
 639         * Revert "Python bindings: remove duplicate structure definitions"
 640         * Docs: clarify cross-version tracer compatibility
 641         * Cleanup: Remove unnecessary newline
 642         * Fix: Use ipv6 loopback adress in test_uri
 643         * Python bindings: remove duplicate structure definitions
 644         * Fix: test: handle env variables undefined
 645         * Fix: report already enabled event error to client
 646         * Docs: add comment to cmd_add_context()
 647         * Fix: application context leak when enabling context
 648         * Fix: string leak when processing of client message fails
 649         * Fix: missing return code initialization on error
 650         * Fix: unchecked return value in _lttng_variant_statedump()
 651         * Fix: Possible use-after-free in create_ctx_type()
 652         * Fix: filter tests now accept "." in identifiers
 653         * Fix: Don't notify agent of non-app context addition
 654         * Create agent on channel creation
 655         * Introduce application contexts to session configuration schema
 656         * Fix typos in error descriptions
 657         * Enable agent application contexts if filter has such dependencies
 658         * Compare provider and context names in trace_ust_match_context
 659         * Allow $app.provider:ctxname in filter, enum, variant identifiers
 660         * Add variant type support to ust registry and metadata
 661         * Notify java agent of enabled application contexts
 662         * Add app context support to lttng client
 663         * Enforce const-correctness in UNIX socket wrappers
 664         * Remove superflous domain check in context_ust_add
 665         * Remove superflous domain check in add_uctx_to_channel
 666         * Use lttng_domain_type enum instead of bare integer
 667         * Add application context support to lttng-ctl lttng_add_context
 668         * Cleanup comments in lttng-ctl.c
 669         * Tests fix: source utils.sh before using conf_proc_count
 670         * Tests: use configured processor count in getcpu override tests
 671         * Tests: use configured processor count in snapshot tests
 672         * Tests: Introduce conf_proc_count()
 673         * Tests: print a more precise test description in snapshot tests
 674         * clock offset: print negative value in metadata for lttng-ust metadata
 675         * Fix: handle negative clock offset for lttng-ust metadata
 676         * Fix: test: append to LD_LIBRARY_PATH
 677         * Fix: test: use load_path instead of $1
 678         * Bump lttng-ust protocol version to 6.1
 679         * Add CTF enum type support for UST registry
 680         * Cleanup __lttng_print macro indentation
 681         * Fix: do not print error and bug messages when quiet (-q) is present
 682         * Fix: test_ust-dl requires bash
 683         * Fix: test script requires bash
 684         * Fix: missing $ in SED variable
 685         * Tests: fix make targets using objcopy
 686         * Build: fallback to AC_CHECK_LIBS when looking for popt and uuid
 687         * tests/unit: fix object files' location
 688         * configure.ac: fix static build
 689         * Tests: fix tracefile count when page_size is > 4k
 690         * configure.ac: use $withval with AC_ARG_WITH
 691         * Fix: close indexes when rotating the trace files in mmap mode
 692         * Fix: close indexes when rotating the trace files in splice mode
 693         * Clarify error message on "add context" failure
 694         * Fix: Don't spam session daemon logs on invalid UST context
 695         * Tests: getcpu_override: use event delay when launching with wrapper
 696         * Tests: getcpu: no events shall be emitted at the same timestamp
 697         * Tests: Switch test apps to use usleep_safe()
 698         * Tests: Add a test utils library
 699         * Fix: redefinition of _GNU_SOURCE
 700         * Tests: only call usleep if the test in configured to wait
 701         * Test: add UST dl helper test
 702         * Test: add UST baddr statedump test
 703         * lttng: add status command
 704         * lttng: factor out declaration of commands
 705         * make check: add warning when LTTng processes are running
 706         * Missing cpu id kernel context in the kernel tracer ABI
 707         * Use --without-lttng-ust in error message
 708         * Use --with/--without for lttng-ust support
 709         * Only compare "bison -y" to the basename of YACC variable
 710         * Tests: Add debug output to getcpu_override
 711         * Tests: Change description of clock-override test
 712         * Add event exclusion test for identical names
 713         * Warn when exclusion names are truncated
 714         * Truncate exclusion names to have a terminal '\0'
 715         * Ignore exclusion names order when matching events
 716         * sessiond-comm.h: fix whitespaces
 717         * Disallow duplicate event exclusion names
 718         * Add LTTNG_EVENT_EXCLUSION_NAME_AT() helper macro
 719         * Fix: lay out names in exclusion structure correctly
 720         * Fix: Check for NULL hash tables on relay daemon teardown
 721         * Fix: Verify directory's existence before calling mkdir
 722         * Clean-up: declare variables at beginning of scope
 723         * Load x86-exceptions lttng-modules probe
 724         * Load x86-irq-vectors lttng-modules probe
 725         * Agent: Make the agent protocol consistently network endian
 726         * Clean-up: Remove unused variables from default.c
 727         * Fix: Unchecked NULL string in logging statement
 728         * Fix: include the filter expression in agent events' primary key
 729         * Add the filter expression to the enable_event agent protocol message
 730         * Add some IDE project files to the gitignore
 731         * Fix live timer calculation error
 732         * Don't initialize defaults in library constructor
 733         * Initialize lttng_ht_seed on hashtable creation
 734         * Cleanup: Missing space after cast operator
 735         * Build: Switch from tar v7 to posix archive format
 736         * Fix: Retry poll on interruption
 737         * Port: Explicitly allocate realpath() resolved buffer
 738         * Select which binaries/extras to build at configure time
 739         * Move libconsumer under common/consumer/
 740         * Fix: There is more tests than the plan
 741         * Remove dead check from configure.ac
 742         * Fix: Silence warning by casting *sin_addr to *sockaddr
 743         * Port: fix 'ERR' conflict with Solaris regset.h
 744         * Relay protocol: check string lengths
 745         * Fix: Silence warning of function having no return value
 746         * Fix: Silence warnings when using uid_t and pid_t with printf
 747         * Port: Add compat for platforms with no MSG_NOSIGNAL or SO_NOSIGPIPE
 748         * Port: Add Solaris compat to sessiond-comm/unix.c
 749         * Port: Add Solaris compat for netdb
 750         * Fix: Silence warning formating pid_t as int
 751         * Port: Add Solaris dirent compat
 752         * Port: Add Solaris paths compat
 753         * Rename config.h to session-config.h
 754         * Port: Remove _GNU_SOURCE, defined in config.h
 755         * Port: cleanup and portability fix to configure.ac
 756         * Port: Don't use SIGUNUSED which is not defined on Solaris
 757         * Port: Implement prctl wrapper
 758         * Port: Replace flock with fnctl
 759         * Port: make bootstrap script work on most shells
 760         * Port: removed unused clone() compat
 761         * Port: Add macro for socket linking on solaris
 762         * Port: Add Solaris support to mman compat
 763         * Port: Replace dirent->d_type by stat
 764         * Add missing include for memset()
 765         * Port: Add Solaris support to socket compat
 766         * Port: name clash on Solaris, rename sun to s_un
 767         * Port: move memset of anc_buf inside ifdef
 768         * Port: Add Solaris fls compat
 769         * Port: Add Solaris string compat
 770         * Port: Use LTTNG_PATH_MAX instead of PATH_MAX
 771         * Port: Use LTTNG_HOST_NAME_MAX instead of HOST_NAME_MAX
 772         * Port: Use LTTNG_NAME_MAX instead of NAME_MAX
 773         * Port: Add Solaris support to socket compat
 774         * Port: Add Solaris support to poll compat
 775         * Port: Add Solaris support to fcntl compat
 776         * Port: Add Solaris endian.h compat
 777         * Fix: Use 'echo' in a portable way
 778         * Fix: Use result of AC_PROG_* when using sed / grep
 779         * Cleanup: Remove commented-out constant
 780         * Fix: use start and stop sessiond from utils.sh
 781         * Fix: Remove dependency on glibc 2.12 caused by pthread_setname_np
 782         * Fix: Log and ignore SIGINT and SIGTERM in run_as worker
 783         * Add logging to the run_as worker
 784         * Fix: Handle EINTR of waipid in run-as worker
 785         * Fix: Handle EINTR of waitpid when spawning a session daemon
 786         * Fix: tests: support systems where PAGE_SIZE is not 4096
 787         * Test: jul/log4j: use -a instead of '*' to disable all events
 788         * Reword warning on event disable
 789         * Clean-up: Remove unused test launchers
 790         * Help: add -j -l -p option to help string
 791         * man: update disable-event section
 792         * Use empty event name on disable -a for ust and agent domain
 793         * Fix: disable kernel event based on name and event type
 794         * Tests: Clean-up test-crash on SIGTERM and SIGINT
 795         * Fix: Possible dereference of null pointers
 796         * Fix: Break out of loop when searching for a domain's agent
 797         * Fix: int printed as uint
 798         * Fix: add subdir-objects to Makefile.am
 799         * Fix: tests: skip UST perf tests if not root
 800         * Fix: Check use_clone() instead of worker in run_as
 801         * Fix: Perform rcu barrier before tearing down the run-as worker
 802         * Fix: Handle hang-up gracefully in run-as
 803         * Fix: Only log app handle release on failure
 804         * Fix: shm-path: handling of snprintf return value
 805         * Fix: Wrong format specifier used in debug statement
 806         * Tests: Swap usages of pidof for pgrep --full
 807         * Tests: indefinitely wait for shm buffers to be unlinked
 808         * Fix: Hide run-as functions
 809         * Fix: Hide sessiond-comm functions
 810         * Cleanup: remove duplicated implementation of rculfhash
 811         * Fix: relayd: don't call lttng_ht_destroy in RCU read-side C.S.
 812         * Fix: libc internal mutex races with run_as
 813         * Fix: Hide readwrite symbols in common lib
 814         * Fix: Hide pipe symbols in common lib
 815         * Fix: Hide daemonize symbols in common lib
 816         * Fix: Hide RCU hashtable wrapper symbols
 817         * Clean-up: NULL free'd pointers in utils_partial_realpath
 818         * Fix: prevent dangling pointer in utils_partial_realpath
 819         * Fix: rcu_read_unlock without parentheses has no side-effect
 820         * Fix: add missing test file to EXTRA_DIST
 821         * Format utils.sh messages
 822         * Tests: use functions from utils.sh
 823         * Report error if any disable action fails
 824         * Fix: disable all ust events
 825         * Bring back event_ust_disable_all_tracepoints
 826         * Fix: sessiond: disable: match app event by name
 827         * lttng-crash: support symlink
 828         * Test: lttng-crash and ust shm path
 829         * Fix: dereferencing null index pointer
 830         * Fix: leaking memory from strdup in lttng-crash
 831         * Fix: memleak in utils_partial_realpath
 832         * Fix: double free on enable-event
 833         * Remove dead code from filter grammar test
 834         * Remove dead code from ir generation filter visitor
 835         * Remove dead code from session daemon
 836         * Remove dead code from view command
 837         * Remove dead code from disable-channel command
 838         * Remove dead code from disable-event command
 839         * Fix: error on no/multiple domain options
 840         * Fix: lttng-crash: segfault when parsing options
 841         * Remove dead code from the calibrate command
 842         * Remove dead code from add-context command
 843         * Print relayd stream indexes
 844         * Enhance relayd error reporting
 845         * Fix: relayd: handle consumerd crashes without leak
 846         * Fix: LPOLLHUP and LPOLLERR when there is still data in pipe/socket
 847         * Fix: double RCU unlock on event_agent_disable_all
 848         * Fix: unbalanced RCU read-side lock in enable event command
 849         * Add rcu_read_ongoing() assertions around process_client_msg
 850         * Clean-up and simplify event_agent_disable_all
 851         * Document locking assumption of agent_find_event()
 852         * Fix: disable agent events by name
 853         * sessiond: add loglevels_match()
 854         * Fix: include loglevel type in agent event's primary key
 855         * Fix: include loglevel type in UST event's primary key
 856         * sessiond: use `loglevel_value` and `loglevel_type` names
 857         * Tests: kernel wildcards
 858         * Tests: fix wildcard test path
 859         * doc: document untrack command in lttng(1)
 860         * doc: document track command in lttng(1)
 861         * Remove dot after enable-event message
 862         * Fix: don't print the default channel name when enabling agent events
 863         * Fix: fail gracefully on --exclude on unsupported domains
 864         * Fix: initialize live_timer to 0 for snapshot session
 865         * Fix: correct mismatched function signatures
 866         * Clearer error reporting when failing to launch session daemon
 867         * Daemonize sessiond on `lttng create`
 868         * Fix: consumer signal handling race
 869         * Fix: list_ust_events(): dangling pointer
 870         * Fix: MI: close domain when listing multiple agent domains
 871         * Tests: expand UST wildcard tests, move to regression/tools
 872         * Tests: kernel filtering
 873         * Fix: use pid element instead of process element
 874         * Fix: race between kconsumerd and sessiond on tear down
 875         * Fix: Buggy string comparison in ust registry ht_match_event
 876         * Fix: Bad cast of lttng_kernel_instrumentation to lttng_event_type
 877         * Fix: Implicit cast from lttng_loglevel_type to lttng_ust_loglevel_type
 878         * Fix: lttng-crash: remove tmp working directory
 879         * Clean up: Coding style conformance adjustments in lttng-crash.c
 880         * Fix: lttng-crash: DIR leak in delete_trace() on error
 881         * Fix: Possible passing of NULL pointer to memcpy()
 882         * Fix: Overwrite of ret in relay_recv_metadata
 883         * Silence undefined return value warning
 884         * Silence use-after-free static analysis warning
 885         * Fix: Wait for in-flight data before closing a stream
 886         * Fix: unpublish stream on close
 887         * Fix: lttng-crash: fd leak
 888         * Fix: Invalid parameter error reported when untracking PID
 889         * Fix: kernel track/untrack error handling
 890         * Fix: Python agent tests are always skipped
 891         * Tests: Fix flaky live test client
 892         * Fix: Announce empty streams on live attach
 893         * Fix: relayd: file rotation and live read
 894         * Fix: relay: viewer_get_next_index handle null vstream
 895         * Fix: relayd: make viewer streams consider metadata sent
 896         * Fix: don't expose empty streams
 897         * Fix: relayd: don't check new metadata on get packet
 898         * Fix: relayd: don't check for new streams in get packet
 899         * Fix: ask new streams HUP
 900         * Fix: reply error if get packet vstream fails
 901         * Fix: relayd reply error to client if cannot find viewer stream
 902         * Fix: relayd reply with error if cannot find metadata
 903         * Fix: ust-app: protect app socket protocol with lock
 904         * Cleanup: privatize consumer_allocate_relayd_sock_pair
 905         * Fix: add missing rcu_barrier at end of sessiond main
 906         * Fix: add missing rcu_barrier at end of consumer main
 907         * Fix: app cmd leak on sessiond exit
 908         * Fix: relayd live don't send incomplete stream list
 909         * Fix: consumer timer misses RCU thread registration
 910         * Fix: sessiond consumer thread should register as RCU thread
 911         * Fix: don't chain RCU free
 912         * Fix: free metadata cache after grace period in consumer
 913         * Fix: sessiond vs consumerd push/get metadata deadlock
 914         * Fix: streamline ret/errno of run_as()
 915         * Fix: Double unlock on error path
 916         * Data pending comment clarification in session daemon
 917         * Fix: Relay daemon ownership and reference counting
 918         * Accept uid and gid parameters in utils_mkdir()/utils_mkdir_recursive()
 919         * Fix: reference counting of consumer output
 920         * Fix: sessiond add missing socket close
 921         * Fix: sessiond should not error on channel creation vs app exit
 922         * Fix: sessiond ust-app session teardown race
 923         * Only display agent loglevel if the loglevel type is not ALL
 924         * Initialize default log level of events on load
 925         * Don't assume that Log4j and JUL share the same log level mappings
 926         * Allow the creation of JUL, Log4j and Python channels
 927         * Fix: Save tracker as part of UST and Kernel domains only
 928         * Fix: Memory leak of agent
 929         * Fix: Memory leak of agent event internals
 930         * Save filter expression as part of agent events and save them
 931         * Fix: UTF-8 characters may be stored on up to 4 bytes
 932         * Remove unneeded hash table existence check in agent_destroy
 933         * Remove unnecessary RCU read lock
 934         * Use type directly in sizeof instead of a dereferenced pointer
 935         * Prevent the addition of UST events to agent channels
 936         * Don't save log level in session configuration when unneeded
 937         * Remove unneeded RCU lock
 938         * Remove unneeded RCU lock
 939         * Fix: Propagate filter status of kernel events to client
 940         * Fix: Save kernel event filter when saving session configuration
 941         * Docs: there is no need to SHOUT in comments
 942         * Fix: Mention Python as part of enable-event's usage()
 943         * Grammar fix in comment
 944         * Fix: typo in error message
 945         * Add agent domains to lttng enable-event usage()
 946         * Docs: Add documentation explaining the meaning of "internal" events
 947         * Report memory allocation failure when copying filter bytecode
 948         * Fix: cmd_enable_event must return positive error codes
 949         * Ensure that a filter is always passed with its filter expression
 950         * Save filter expressions as part of agent events
 951         * Add agent domains to the enable-event section of LTTNG(1)
 952         * Use lttng_domain_type enumeration instead of bare integers
 953         * Prevent disable event on internal UST events
 954         * Remove unneeded RCU read lock
 955         * Skip internal events when saving a session configuration
 956         * Clean-up: Coding-style conformance adjustments
 957         * Docs: Clarify ominous comment wording
 958         * Hide internal events from session daemon clients
 959         * Prevent the use of reserved UST event names
 960         * Tag events created as side-effect of agent events as internal
 961         * Remove unneeded RCU lock
 962         * Remove dead code in lttng-sessiond
 963         * Ensure event names are NULL terminated during validation
 964         * Fix: assert(0) when listing Python events with MI
 965         * Fix: set GLOBAL buffer type for kernel domain in list
 966         * Fix: take RCU read-side lock within hash table functions
 967         * Tests: Adapt MI test to change in track/untrack behaviour
 968         * Clean-up: Rename lib_func to cmd_func
 969         * Fix: Improve the error reporting of the track/untrack command
 970         * Tests: Fix flacky clock-plugin test
 971         * Build: look for python >= 3.0 when building python bindings
 972         * Build: rename use_python to python_binding
 973         * Fix: regression tests
 974         * Fix: tests: stderr not correctly redirected
 975         * Fix: TimeoutExpired in Python tests not defined globally
 976         * Tests: ust: clock override plugin
 977         * Cleanup: reuse tracker* element from config
 978         * Test: save/load: pid_tracker basic test
 979         * Clean-up: Remove statement which has no side-effect
 980         * Save/load: pid_tracker feature.
 981         * Test: mi: track/untrack feature
 982         * Util: xml_extract: add node_exist option
 983         * Mi: track/untrack: validation
 984         * Docs: Grammar fixes in mi_lttng.xsd
 985         * Fix: Ensure a valid command error code is returned by track/untrack
 986         * Clean-up: Remove java-doc annotations from function header
 987         * Mi: track/untrack/listing
 988         * Fix: intialization of ust_metadata_poll_pipe to garbage value
 989         * Fix "allocator sizeof operand mismatch" warning
 990         * Clean-up: Remove java-doc style function header from session.h
 991         * Clean-up: remove extra space in comment
 992         * Fix: test_mi test
 993         * Tests: Java agent: Add configure switches to enable tests
 994         * Fix: incorrect script name in python logging test
 995         * Docs: Document Agent reply codes
 996         * Docs: Remove Java-specific comments from agent.h
 997         * Docs: Grammar fix in agent header
 998         * Return "Unknown" error instead of "Fatal" on unhandled agent replies
 999         * Log agent reply in disable_event()
1000         * Log agent reply in enable_event()
1001         * Log agent reply in list_events()
1002         * Add agent reply code logging helpers
1003         * Add a LOG() macro which handles dynamic severity levels
1004         * Fix: Discard disable event command filter payload
1005         * Fix: Use MSG_NOSIGNAL when calling sendmsg()
1006         * Send data pending status as part of payload instead of an invalid error
1007         * Log error code's value when sessiond replies to a client
1008         * Tests: Java agent: update after Java agent refactoring
1009         * Set registration done Agent command version back to 0
1010         * Fix: Don't send agent disable event command twice
1011         * Tests: Python agent: update after Python agent refactoring
1012         * Clean-up: Remove redundant variable initialization
1013         * Fix: incorrect variable being checked in libc-wrapper test
1014         * Rename Python agent event name to omit "user"
1015         * Consolidate agent event names regardless of user privilege
1016         * Clean-up: Move agent_apps_ht_by_sock definition to main.c
1017         * Fix: Initialize global agent_apps_ht_by_sock on session daemon launch
1018         * Fix: set session should not set non-existent session
1019         * Fix: pids should be numbers only
1020         * Fix: Mishandled NULL short options in lttng-sessiond
1021         * Use popt "required_argument" and "no_argument" constants
1022         * Fix: Mishandled NULL short options in utils_generate_optstring()
1023         * Fix: only launch a new session daemon for the "create" command
1024         * Fix 'daemon' typo in lttng-ctl-pc.in description
1025         * Fix: clean-up agent app hash table from the main sessiond thread
1026         * Fix: Remove undocumented session daemon short options
1027         * Comment grammar correction
1028         * Log userspace application hash table allocation failure
1029         * Fix: RCU read-side lock released too early in destroy_agent_app
1030         * Fix: misleading logging statement in agent_find_event
1031         * Fix: Unhandled domain option condition in list_agent_events
1032         * Fix: Crash on lttng list -j/-l/-p when no events are present
1033         * Clean-up: spelling fix in a comment
1034         * Document relay_add_stream RCU locking
1035         * Fix: Unbalanced rcu_read_unlock() on stream file creation failure
1036         * Fix: Unbalanced rcu_read_unlock() on directory creation failure
1037         * Fix: Document the locking assumptions of ctf_trace_find_by_path()
1038         * Fix: Memory leak in relay_add_stream error path
1039         * Update master version to v2.8.0-pre
1040
1041 2015-07-15 lttng-tools 2.7.0-rc1 (Pet Fire Safety Day)
1042         * Update version to v2.7.0-rc1
1043         * Tests: lttng-ust-getcpu-override-test cache and error-check sysconf()
1044         * Tests: lttng-ust-getcpu-override coding-style adjustments
1045         * Add CPU_ID LTTng-UST context to enum lttng_ust_context_type
1046         * Bump LTTNG_UST_ABI_MAJOR_VERSION to 6
1047         * Tests: Ust getcpu override plugin
1048         * Fix: Follow struct dirent allocation guidelines of READDIR(3)
1049         * Update comments regarding the power of 2 constraint on sub-buffer sizes
1050         * Build: add Flex version check
1051         * Build: add Bison version check
1052         * Fix: handle sys_futex() FUTEX_WAIT interrupted by signal
1053         * Fix: metadata push -EPIPE should be recoverable
1054         * Fix: destroy session removes the default config file
1055         * Build: bump autoconf version requirement to 2.64
1056         * Fix: Memory leak in setup of relayd_path
1057         * Fix: update liburcu URL
1058         * Fix: test: use "$@" to pass and quote argument
1059         * Refactor: test: wrapper for lttng_snapshot_del_output
1060         * Refactor: test: wrapper for lttng_snapshot_add_output
1061         * Refactor: test: wrapper for destroy_lttng_session
1062         * Refactor: test: wrapper for stop_lttng_tracing
1063         * Refactor: test: wrapper for start_lttng_tracing
1064         * Refactor: test: wrapper for enable_ust_lttng_event
1065         * Refactor: test: wrapper for enable_ust_lttng_channel
1066         * Refactor: test: wrapper for create_lttng_session
1067         * Fix: Memory allocated by xmlNodeGetContent() must be freed by xmlFree()
1068         * Save/load: add support for shared memory path
1069         * Fix: get_cmdline_by_pid path length assumes a max pid of 65535
1070         * Clean-up: Remove ifdef-ed out lttng list options
1071         * Test: mi: test for greater or equal to a minimum of events on ust listing.
1072         * Fix: update regression tests involving UST
1073         * Clean-up: Remove ifdef-ed out function:entry feature
1074         * Fix: Mark MI and Config string declarations as extern
1075         * Clean-up append_list_to_probes()
1076         * Fix: modprobe.c: fix tmp_list memory leak
1077         * Fix: append_list_to_probes(): increment index
1078         * Docs: LTTNG(1) filtering is now supported by the kernel tracer
1079         * Fix: live_test regression on large number of cpus
1080         * Fix: set UST register timeout to -1 as test default
1081         * Man page: reference lttng-crash under --shm-path option
1082         * Tests: Don't rely on implicit scalar expression dereference
1083         * man pages: use standard NAME format
1084         * Fix python bindings' Makefile for out-of-tree builds
1085         * Fix: use LIBS instead of AM_LDFLAGS for dl and c linking
1086         * Fix: Add missing -ldl when checking for lttng-ust
1087         * clock plugin: increase offset measurement accuracy
1088         * Implement UST clock override plugin support
1089         * Fix: ownership of filter and filter_expression
1090         * Fix: zero memory passed to create channel kernel ioctl
1091         * Fix: Check that lttng create --live's time is not zero
1092         * Fix: Validate lttng_create_session_live's timer is > 0
1093         * UI: Only show live timer when the session is in live mode
1094         * UI: Only show tracker PID state when enabled
1095         * Implement kernel filter support
1096         * syscall tracing: update tests
1097         * Support lttng-modules syscall wildcards
1098         * Implement lttng-modules tracepoint wildcard support
1099         * Fix build when configuring with --disable-lttng-ust
1100         * Fix: add missing function prototype to trace-ust.h header
1101         * Implement PID tracker content listing
1102         * Implement UST PID tracker
1103         * Cleanup: Remove unimplemented UST domains
1104         * Implement PID tracking for kernel tracing
1105         * Fix: leak on error in lttng-crash
1106         * Man page fixes: missing --version option and typo
1107         * Docs: add lttng-crash(1) man page
1108         * Docs: lttng-crash refers to "lttng"
1109         * Fix: possible use of uninitialized data in loglevel conversion funcs
1110         * Fix: possible evaluation of garbage values in fini_validation_ctx()
1111         * Cleanup: Remove stale #ifdef-ed-out code from spawn_viewer()
1112         * Fix: Possible call to execvp with NULL argument on allocation failure
1113         * Fix: Possible call to strtoul() with NULL argument
1114         * Docs: clarify lttng.1 shm-path section
1115         * Fix: Missing return value check in extract_trace_recursive()
1116         * Fix: recursive_rmdir: empty all empty subdir
1117         * Move file creation/unlink from liblttng-ust-ctl to consumerd
1118         * lttng-crash: support recursive traces
1119         * shm-path: remove directory hierarchy on destroy
1120         * Implement --shm-path option for UST sessions (per-uid channels)
1121         * Cleanup: Reduce scope of connections in main relayd thread
1122         * Cleanup: Reduce scope of relayd connections in live thread
1123         * Docs: connection_find_by_sock() must be called with rcu_read_lock
1124         * Rename current release as 2.7.0-pre
1125         * Docs: grammar fix in Makefile
1126         * Change release name to master
1127         * configure: add type availability checking
1128         * configure: add check for compiler inline keyword support
1129         * configure: missing check for needed header
1130         * configure: missing check of functions
1131         * Fix: test: log4j: missing static test files for dist and out of tree build
1132         * Fix: test: java-jul:missing static test files for dist and out of tree build
1133         * Fix: out-of-tree build: missing xsd file for mi test execution
1134         * Fix: out-of-tree build: missing xsd file for save-load test execution
1135         * Cleanup: remove unused end_no_session label in ust_app_flush_session()
1136         * Cleanup: Remove unused "end" label in push_metadata()
1137         * Tests: Run health check test_thread_ok as part of root_regression
1138         * Fix: deadlock between UST registry lock and consumer lock
1139         * Fix: uninitialized return value
1140         * Fix: build failure using disable-lttng-ust configure option
1141         * Cleanup: Remove unused variable
1142         * Fix: setuid/setgid daemons should not get sensitive env. var./args
1143         * Fix: grab more than one packet for snapshots
1144         * Fix: per-uid flush and ust registry locking
1145         * Docs: Missing optional dependency on lttng-ust in README.md
1146         * Docs: Grammar fixes in the lttng manpage
1147         * Fix: add missing UST perf counter support check
1148         * Fix: tests: integer too large for long type
1149         * Fix: undefined operation on last_relay_viewer_session_id
1150         * Fix: print format type mismatch
1151         * Fix: print format type mismatch
1152         * Fix: Remove structurally dead code from relayd
1153         * Cleanup: Remove logically dead code
1154         * Cleanup: Remove unused label
1155         * Fix: Remove unused argument in debug statement
1156         * Fix: exit threads not only on goto restart
1157         * Fix: poll: show the correct number of fds
1158         * Fix: call lttng_poll_set_max_size before start threads
1159         * Fix: compat poll: add missing empty revents checks
1160         * Fix: various compat poll/epoll issues
1161         * Add debugging output to ht-cleanup thread
1162         * Fix: mi: snapshot: missing error handling for session name
1163         * Fix: ust-app: per-PID app unregister vs tracing stop races
1164         * Fix: data pending: allow empty streams
1165         * Fix: ust snapshot: cleanup after error
1166         * Fix: Mismatching return type in ust_app_ht_alloc() stub
1167         * Cleanup: lock file already taken is error, not warning
1168         * Fix: ust-app null pointer check needed for main refactoring
1169         * Cleanup: relayd: centralize thread stopping function
1170         * Cleanup: Replace all perror() uses by the PERROR macro
1171         * Refactor relayd main/set_options/cleanup
1172         * Refactor consumerd main/cleanup
1173         * Refactor sessiond main/cleanup/ht-cleanup
1174         * Missing error handling: consumer_signal_init should return its error status
1175         * Cleanup: consumerd: lines over 80 columns
1176         * Cleanup: consumerd: use PERROR rather than perror
1177         * Cleanup: lttng-consumerd: remove stale TODO comment
1178         * Misleading error handling: utils_create_pid_file() should return 0 on success
1179         * Missing error handling: consumerd parse_args should return errors to caller
1180         * Missing error handling: ust_app_ht_alloc should return error status
1181         * Fix: ust app leak on UST buffer creation error
1182         * Fix: leak on UST buffer registry creation error
1183         * Fix: agents ht leaks on destroy session
1184         * Fix: add missing RCU read unlock
1185         * Fix: help message for Python agent mentions Java
1186         * Fix: don't destroy the sockets if the snapshot was successful
1187         * Fix: Missing RCU read locks in syscall_list_channel()
1188         * Fix: Missing RCU read lock in kernel_destroy_session()
1189         * Fix: channel names are not validated
1190         * Cleanup: Missing whitespace
1191         * Fix: Apply consumer URI changes to all domains
1192         * Cleanup: Fix a typo in the MI tests
1193         * Test fix: Don't invoke the system's lttng client
1194         * Tests: Add a test to check disabled events are loaded in the correct state
1195         * Fix: Don't leave events enabled if they were saved in a disabled state
1196         * Fix: "Any" loglevel's value is -1 and not 0
1197         * Test fix: LTTNG_SESSION_CONFIG_XSD_PATH expects an absolute path
1198         * Fix: Memory leak on error in alloc_argv_from_user_opts()
1199         * Cleanup: Unchecked close() return value in utils_create_lock_file()
1200         * Cleanup: No check of the return value of lttng_ht_del()
1201         * Cleanup: Mixed enums used for return code in send_sessiond_channel()
1202         * Cleanup: Cast poll() return value to void
1203         * Fix: Unreachable error logging in set_option()
1204         * Fix: OOM leaks in sessiond modprobe.c
1205         * Cleanup: sessiond modprobe.c: coding style
1206         * Cleanup: test_utils_expand_path.c prototypes
1207         * Fix: test_utils_expand_path.c: out of memory error handling
1208         * Fix: test test_ust_data.c: check OOM
1209         * Fix: test libc-wrapper: check malloc OOM
1210         * Cleanup: test libc-wrapper: main parameters
1211         * Fix: lttng-ctl: use zmalloc(), missing OOM check
1212         * Fix: filter-parser.y: use zmalloc(), missing OOM check
1213         * Fix: utils.c: check str*dup OOM
1214         * Cleanup: implement zmalloc as static inline
1215         * Fix: rculfhash: use zmalloc()
1216         * Fix: ini.c: use zmalloc()
1217         * Fix: lttng lttng.c: check strdup OOM
1218         * Fix: lttng conf.c: use zmalloc()
1219         * Fix: lttng view.c missing strdup OOM check
1220         * Fix: use zmalloc() in lttng view.c
1221         * Fix: use zmalloc() in lttng list.c
1222         * Fix: oom error check, realloc oom leak
1223         * Fix: use zmalloc in lttng enable_events.c
1224         * Fix: missing strdup oom check in lttng create.c
1225         * Fix: lttng add_context.c: use zmalloc
1226         * Cleanup: add missing static to function modprobe_remove_lttng()
1227         * Fix: add missing str*dup oom check in sessiond main.c
1228         * Fix: add missing sessiond kernel-consumer missing str*dup oom checks
1229         * Fix: add missing strdup OOM check
1230         * Fix: add missing synchronization point for before app test case
1231         * Fix: tests: wait output hide Terminate errors
1232         * Fix: tests: remove killall, add missing SIGTERM handlers
1233         * Fix: high throughput test: reset bw limit on sigterm
1234         * Fix: tests: add missing wait, document missing synchro
1235         * Document test anti-patterns
1236         * Fix: test flaky sleep and wait patterns
1237         * Fix: tests: don't use pidof to wait for test apps
1238         * Fix: Live tracing does not honor live timer after first tracefile with tracefile rotation
1239         * Fix: Handle empty daemon configuration file lines
1240         * Docs: Add -f/--config option to lttng-sessiond man page
1241         * Cleanup: spaghetti function return path
1242         * Fix: relayd: unbalanced RCU read-side lock/unlock
1243         * Fix: relayd: unbalanced RCU read lock/unlock
1244         * Fix: lttng-relayd: unhandled out of memory error
1245         * Fix: relayd viewer stream: unhandled out of memory error
1246         * Build fix: Apps defining _LGPL_SOURCE must link to urcu-bp
1247         * Define _LGPL_SOURCE in test apps' tracepoint provider files
1248         * Define _LGPL_SOURCE in test applications
1249         * Fix: Missing rcu_read_lock in cmd_list_events()
1250         * Fix: Missing rcu_read_lock in list_lttng_agent_events()
1251         * Fix: Missing rcu_read_lock in cmd_list_channels()
1252         * Fix: Missing rcu_read_locks in cmd_list_domains()
1253         * Fix: Missing rcu_read_lock in cmd_snapshot_list_outputs()
1254         * Fix: Missing rcu_read_lock in save_domains()
1255         * Fix: Missing rcu_read_lock in ust_app_get_nb_stream()
1256         * Fix: UST subbuffers silently dropped on moderate trace traffic
1257         * Fix: Missing rcu_read_lock in get_session_max_subbuf_size()
1258         * Fix: create/destroy a splice_pipe per stream
1259         * Note find_ust_app_context must be called with RCU read lock
1260         * Fix: empty indexes_ht before destroying it.
1261         * Fix: removed useless key from relay_index
1262         * Fix: Ambiguous agent event filter bytecode ownership
1263         * Fix: filter bytecode and string memory leak on error
1264         * Fix: define _LGPL_SOURCE in C files
1265         * Fix: HT must not be destroyed with a rcu_read_lock held
1266         * Fix: agent events HT should be destroyed from the cleanup thread
1267         * Fix: missing rcu_read_lock in trace_ust_destroy_session()
1268         * Fix: missing rcu_read_lock when calling trace_ust_find_agent()
1269         * Fix: missing rcu_read_lock in cmd_start_trace()
1270         * Cleanup: remove "disabled" flag for new release cycle
1271         * Fix: filter attach vs event enable race
1272         * Fix: Mark libxml2 as a mandatory dependency
1273         * Fix: Warn the user when enabling an event in a new domain
1274         * Fix: Don't report an error when listing a session with no channels
1275         * Bypass 0 byte allocation when no domains are enabled
1276         * Fix: Add missing URCU_TLS access to error_log_time
1277         * Fix: check userspace perf counter name when looking up contexts
1278         * Update maintainer section of the man pages
1279         * Update maintainer section of README.md
1280         * Fix: add README.md to documentation files
1281         * Fix: UST consumer sync all available metadata
1282         * Test: remove bogus argument from prove invocation
1283         * Fix: typo in pythong test Makefile
1284         * Fix: memory leak in libconfig
1285         * Add Python agent support
1286         * Fix: return EINVAL if agent registration fails
1287         * Use lttng-modules ABI version ioctl
1288         * Fix: syscall list ioctl number conflict
1289         * Update master ChangeLog with 2.5.1 release
1290
1291 2014-10-20 lttng-tools 2.6.0-rc1 (Harry Belafonte records Banana Boat Song)
1292         * Machine Interface added to lttng command line (--mi)
1293         * Java Log4j agent support (--log4j)
1294         * Kernel per syscall tracing
1295         * Multiple fixes.
1296
1297 2014-10-20 lttng-tools 2.5.1
1298         * Fix: handle sysconf possible negative returned value
1299         * Fix: channel deref. after NULL check in kernel consumer
1300         * Fix: check for kernel session metadata during init
1301         * Fix: incorrect cast in ust consumer assert
1302         * Fix: bad handling of incoming data in consumer thread
1303         * Fix: disable event for JUL domain
1304         * Fix: send disable ALL command code if event is *
1305         * Fix: make sure no index is in flight before using inactivity beacons
1306         * Fix: Parenthesize previous statement when adding conditions to a filter
1307         * Fix: parse_prob_opts return the actual success of the function
1308         * Fix: Man page typos
1309         * Fix: disable JUL event on destroy
1310         * Fix: unbalanced ustconsumer32_data.pid_mutex lock
1311
1312 2014-07-16 lttng-tools 2.5.0 (Take Your Poet to Work Day)
1313         * Fix: validate file path creds in autoload mode
1314         * Fix: change session file loading order
1315         * Fix: add Loading Sessions section to lttng-sessiond.8
1316         * Fix: add default session conf. dir to manpage
1317         * Fix: on session load, add it to the .lttngrc
1318         * Fix: clarify session conf. directory in man
1319         * Fix: filter error path could free invalid ptr
1320         * Fix: Create a lock file to prevent multiple session daemons
1321         * Fix: relayd stream set close_flag on stream close
1322         * Fix: ustctl_get_stream_id without UST support
1323         * Fix: avoid freeing invalid ptr in filter bytecode
1324         * Fix: get the stream_id when generating live beacons
1325         * Fix: use biggest subbuffer size for snapshot max-size
1326         * Fix: Possible memory leak when multiple config files are loaded
1327         * Fix: Clamp verbosity value read from config file
1328         * Fix: Unchecked strdup return values in set_option
1329
1330 2014-06-27 lttng-tools 2.5.0-rc2
1331         * Test: add JUL disable event tests
1332         * Fix: disable JUL event on UST side
1333         * Fix: accept override flag even without a load path
1334         * Fix: bad error code path when loading session
1335         * Fix: set session in output mode if URL are set afterwards
1336         * Fix: add a kernel context list to the channel
1337         * Fix: Add vpid, vppid and vtid info in add-context help
1338         * Fix: wrong behavior of save command when no session name is provided
1339         * Fix: missing context type string in save for ust context
1340         * Fix: wrong casting of return value
1341         * Fix: add dependency to libcommon for python binding
1342         * Fix: remove the default GIT_VERSION
1343
1344 2014-05-28 lttng-tools 2.5.0-rc1 (International Hamburger Day)
1345         * Save/load session feature
1346         * Daemon configuration file support
1347         * UST perf counter support with add-context
1348         * Kernel tracer probe user define list
1349         * Multiple fixes! The diff is just too big to put here.
1350
1351 2014-07-16 lttng-tools 2.4.2 (Take Your Poet to Work Day)
1352         * Fix: Create a lock file to prevent multiple session daemons
1353         * Fix: relayd stream set close_flag on stream close
1354         * Fix: ustctl_get_stream_id without UST support
1355         * Fix: get the stream_id when generating live beacons
1356         * Fix: missing include for getpwuid()
1357         * Fix: add a get HOME dir fallback to getpwuid
1358         * Fix: don't set enabled flag is session start fails
1359         * Fix: logger name dropped from filter condition when loglevels are used
1360         * Fix: memory leak in lttng_enable_event_with_exclusions
1361         * Fix: check malloc return value
1362         * Fix: static array larger than necessary
1363         * Fix: set session in output mode if URL are set afterwards
1364         * Fix: Add vpid, vppid and vtid info in add-context help
1365         * Fix: alignment problems on targets not supporting unaligned access.
1366         * Fix: possible use after free in consumer
1367         * Fix: improve and update lttng.h comments
1368         * Fix: JUL filtering for event *
1369         * Fix: deny overwrite mode and num subbuf less than 2
1370         * Fix: remove bad option in enable channel --help
1371         * Fix: implicit conversion from enumeration
1372         * Fix: clarify man page lttng.1
1373         * Fix: Copy-pasted PERROR messages may be misleading
1374         * Fix: incorrect printf format
1375         * Fix: handle ENOENT when creating a kernel event
1376         * Fix: move JUL filter creation to a function
1377         * Fix: JUL filtering done on the UST level
1378         * Fix: Don't include the binary in the live test's EXTRA_DIST
1379         * Fix: add JUL filter to UST event on logger_name
1380         * Fix: Racy event validation in tests
1381         * Fix: rework utils_parse_size_suffix
1382
1383 2014-04-08 lttng-tools 2.4.1 (OpenSSL heartbleed day)
1384         * Fix: don't delete stream from connection recv list
1385         * Fix: use after free of a relayd stream
1386         * Fix: don't print stream name in error message
1387         * Fix: take session list lock when listing tp
1388         * Fix: add consumer wake up pipe to avoid race
1389         * Fix: don't spawn relayd if URL is provided
1390         * Fix: don't ask data pending if session was not started
1391         * Fix: missing test file in EXTRA dist
1392         * Fix: allow empty URL for live session creation
1393         * Fix: missing valid return code when adding an URI to consumer
1394         * Fix: syntax error in lttng.1
1395         * Fix: check relayd fd leak in lttng cmdline
1396         * Fix: remove unused tp in high-throughput test
1397         * Use autoconf AM_MAINTAINER_MODE.
1398         * Fix: clang 'constant-out-of-range-compare' warning
1399         * Fix: Unchecked session pointer when destroying a connection in relayd
1400
1401 2014-02-28 lttng-tools 2.4.0 (Public Sleeping Day)
1402         * Fix: improve lttng with live by spawning relayd
1403         * Fix: relayd should listen for viewers on localhost only by default
1404         * Fix: handle loglevel range ALL in list command
1405         * Tests: add JUL test for multiple loglevel
1406         * Fix: index JUL event by name *and* loglevel
1407         * Fix: JUL to enable user and root tracepoints
1408         * Fix: handle the registration done command for JUL
1409         * Test fix: use temp file sync. of test app
1410         * Fix: keep metadata channel attr in UST session
1411         * Tests fix: Missing waitpid in fork test
1412         * Fix: add loglevel type to lttng list <name>
1413         * Fix: minor rephrasing of the lttng.1 man page
1414         * Fix: Warn user if JUL port is already being used
1415         * Fix: add some sane default values to --live opt
1416         * Fix: possible NULL deref. in sessiond error path
1417         * Fix: flag that kernel streams FDs has been sent
1418         * Fix: forbid session name creation if contains /
1419         * Fix: don't start session if no channel
1420         * Fix: add missing relayd option to man page
1421         * Fix: report error if consumer can't be spawned
1422         * Fix: lttng list -u <name> should only list UST
1423         * Fix: kernel channel destroy on consumer if sent
1424         * Fix: only create UST metadata on start trace
1425         * Revert "Fix: wrong condition on startup for low-activity streams"
1426         * Fix: missing big endian conversion for one index field
1427         * Fix: wrong condition on startup for low-activity streams
1428         * Fix: perror on index directory creation error
1429         * Comments fix: lttngerr.h -> error.h (./Changelog:754)
1430         * Fix: consumerd errors on exit
1431         * Fix: scanf unbounded input
1432         * Fix: miscellaneous memory handling fixes
1433         * Fix: add missing VALGRIND ifdef checks and documentation
1434
1435 2014-02-14 lttng-tools 2.4.0-rc5
1436         * Fix: steal channel key in the consumer to avoid race
1437         * Fix: change ERR statement to DBG in kernel read subbuffer
1438         * Fix: handle snapshot ENODATA in live timer
1439         * Fix: relayd leak on error in consumer splice()
1440         * Fix: protect close_write_flag with the rotation lock
1441         * Man: clarify loglevel for JUL domain
1442         * Fix: Define __STDC_LIMIT_MACROS to fix C++ builds
1443         * Fix: bad indentation of lttng list in man page
1444         * Fix: wrong data structure used in commit df41f83
1445         * Fix: add missing optional dependency to babeltrace in README
1446         * Fix: cleanup inconsistent use of spaces/tabs in README
1447         * Fix: only set the new_streams flag if a viewer is attached
1448         * Fix: lttng-live documentation
1449         * Fix: remove dead code in relayd live code
1450         * Fix: use after free error code path
1451         * Fix: wrong sizeof argument in live viewer create session
1452         * Fix: zero out the reply structure in viewer_connect
1453         * Fix: write index only if fd is valid
1454         * Fix: cleanup relayd on any I/O error in read subbuffer mmap
1455         * Fix: memory/fd leak when cleaning streams in channel
1456         * Fix: destroy streams in consumer del channel
1457         * Fix: add missing urcu wfqueue headers in relayd
1458         * Fix: in lttng_read/write deny count bigger than the possible returned value
1459         * Fix: fd leak when closing metadata stream
1460         * Fix: read subbuffer mmap/splice signedness issue
1461         * Doc: live protocol clarifications
1462         * Fix: remove unused create_viewer_session option
1463         * Fix: don't sleep(1) on the consumer ready flag
1464         * Fix: free viewer session in connection_free()
1465         * Fix: add missing ctf trace delete before destroy
1466         * Fix: don't delete ctf trace while in snapshot mode
1467         * Fix: add flag to create session command and fix tests
1468         * Fix: cleanup indef guards following the rename
1469         * Fix: merge issue with thread quit pipe
1470         * Fix: use uint32_t for metadata_flag in viewer's ABI
1471         * Fix: check for new streams in all attached sessions
1472         * Fix: Move static functions up in the code
1473         * Fix: allow attach command to multiple sessions
1474         * Fix: handle session hang up in get_new_streams
1475         * Fix: force the client to create a viewer session before attaching
1476         * Fix: Namespace lttng-viewer-abi
1477         * Fix: relayd connection object refactor
1478         * Fix: big relayd cleanup and refactor
1479         * Fix: code refactoring of viewer streams in relayd
1480         * Fix: handle new streams in live mode in relayd
1481         * Fix: notify the viewer if new streams got added
1482         * Fix: send the streams sent message after metadata
1483         * Add extern C to the health-check header
1484         * Fix: memory leak in unit test
1485         * Man: add JUL DOMAIN section to lttng.1
1486         * Fix: handle invalid URL passed to lttng_create_session_live
1487         * Fix: add --jul-tcp-port to sessiond man page
1488         * Fix: measure UST clock offset with best sample (v2)
1489         * Fix: remove free in unit test not needed anymore
1490         * Fix: relay create session for version before 2.4
1491         * Fix: memory leak when UST events are enabled with exclusions
1492
1493 2014-01-29 lttng-tools 2.4.0-rc4
1494         * Fix: add -b, --background option
1495         * health check tests: test relayd and consumerd
1496         * tests: Add stop_lttng_relayd_nocheck
1497         * Fix: add missing JUL loglevel handling
1498         * relayd: add testpoints
1499         * relayd: use same pipe for live and main
1500         * Cleanup relayd live comment
1501         * Fix: relayd: add LPOLLERR to events
1502         * Fix: relayd: notify parent of readiness when all threads ready
1503         * Fix: tests: start relayd in background mode (-b)
1504         * lttng-relayd: implement background cmd line option
1505         * sessiond: add missing testpoints
1506         * tests: use --background for session daemon
1507         * sessiond: add --background argument
1508         * Use lib common daemonize
1509         * Fix: sessiond: wait for health check readiness
1510         * Fix: relayd: initialize lttcomm inet
1511         * Consumer: add testpoints
1512         * Fix: consumerd: HT init/teardown with program
1513         * Cleanup: lttng-ctl-health comment
1514         * Add daemonize() to libcommon
1515         * Fix: tests: wait for consumerd to complete
1516         * Fix: consumerd: use DBG rather than DBG2
1517         * Fix: consumerd: only return readiness when health is ready
1518         * Fix: consumerd should initialize lttcomm
1519         * Fix health check: signal parent before exit testpoint
1520         * Test health: add test_thread_ok
1521         * health check: change --relayd-path arg to --relayd-path=arg
1522         * relayd: add LTTNG_RELAYD_HEALTH env var
1523         * Add sessiond/SESSIOND_ prefix to sessiond testpoints
1524         * Fix: zero out data structure before using it
1525         * Fix: delete metadata stream before destroying it
1526         * Fix: report to client when snapshot will be empty
1527
1528 2014-01-14 lttng-tools 2.4.0-rc3
1529         * Fix: metadata stream should be always flagged as ready
1530         * Fix: wrong check before destroying the viewer metadata stream
1531         * Fix: race with the viewer and readiness of streams
1532         * Fix: missing reset when listing UST fields for multiple PIDs
1533         * Fix: filter: check binary op nesting
1534         * Fix: relayd cmd line option for live port
1535         * Fix: remove break in epoll loop of apps. thread
1536         * Fix: wrong comment in snapshot public API
1537         * Fix: clear the CTF traces when all the streams are closed
1538
1539 2013-12-10 lttng-tools 2.4.0-rc2
1540         * Fix: close connection on incompatible version check
1541         * Fix: fields alignements in live protocol
1542         * Tests: add regression test for Java JUL support
1543         * Fix: possible use after free
1544         * Fix: remove unused code in session daemon
1545         * Fix: string format with unsigned value
1546         * Fix: remove useless assert
1547         * Fix: bad logical check of error codes
1548         * Fix: resource leak in enable-event command
1549         * Fix: unchecked return value in ust app delete
1550         * Fix: dereference after null check in UST registry
1551         * Fix: Resource leak in ust registry
1552         * Fix: backported from urcu commit 92af1a30
1553         * Tests: fix racy tests and misleading output messages
1554         * Tests: fix bad argument parsing in test app
1555         * Fix: remove assert on fd in the read/write layer
1556         * Fix: missing lock/unlock when sending index
1557         * Fix: update back the metadata len sent on failure
1558         * Fix: don't fail on push metadata if no channel
1559         * Rename LTTng index in CTF index
1560         * Fix: set the enable all event command type
1561         * Fix: implicit conversion of enum types in sessiond
1562         * Fix: implicit conversion of enum types in consumer
1563         * Fix: comparison of unsigned enum expression >= 0
1564         * Fix: comparison of unsigned value agains < 0
1565         * Fix: create a fast and a long UST snapshot test
1566         * Tests: fix racy UST snapshot post mortem test
1567         * Tests: remove useless sleep when spawning sessiond
1568         * Add travis-ci configuration file
1569         * Add libuuid as dependency in README
1570         * Tests: add valid test cases to test_utils_expand_path
1571         * Tests: add symlink tests for test_utils_expand_path
1572         * Fix: utils_expand_path now works for paths that ends with '/.' or '/..'
1573         * Fix: comment indentation
1574         * Add missing copyright to utils.c
1575         * Fix: use non block waitpid to lookup child state
1576
1577 2013-11-15 lttng-tools 2.4.0-rc1
1578         * Live streaming support
1579         * Health check support in consumer and relayd
1580         * Event exclusion support
1581         * Java Util Logging support
1582         * Multiple fixes! The diff is just too big to put here.
1583
1584 2013-11-13 lttng-tools 2.3.1
1585         * Fix: typo in --sig-parent help
1586         * Fix: application SIGBUS when starting in parallel with sessiond
1587         * Fix: missing LTTNG_OK return value for snapshot
1588         * Fix: arguments in the wrong order for fd-limit
1589         * Fix: Some corrections to the lttng man page
1590         * Fix: recv creds comm should handle partial receive
1591         * Fix: set app socket timeout just after accept()
1592         * Fix typo in lttng snapshot add-output example of lttng(1)
1593
1594 2013-09-03 lttng-tools 2.3.0
1595         * Fix: remove periodical flush test from make check
1596
1597 2013-08-30 lttng-tools 2.3.0-rc3
1598         * Fix: hashtable: take split_count_order into account
1599         * Fix: remove wrong doing asserts in sessiond
1600         * Tests: fix periodical flush tests to stop app
1601         * Fix: correctly close metadata on sessiond thread shutdown
1602         * Fix: delete the trace directory used for the test
1603         * Fix: remove bad check after epoll wait in consumer
1604         * Fix: missing data pending signess conversion
1605         * Fix: consumer data pending for empty streams
1606         * Fix: hash table growth (for small tables) should be limited (v2)
1607         * Fix: run_as gid/uid test should return result to parent
1608         * Fix: missing check for metadata data pending
1609         * Tests: change buffers UID test to PID
1610         * Tests: fix health tests to use custom socket timeout
1611         * Fix: remove health test from fast regression
1612         * Use socket timeout value for tcp timeout if available
1613         * Fix: set the health delta tcp timeout aware
1614         * Get the maximum TCP timeout in sessiond
1615         * Fix: don't report error if UST app dies
1616         * Fix: support VPATH build for tests
1617         * Improve comments after review
1618         * Rename consumer socket fd to fd_ptr
1619         * Lock consumer data before fd check during destroy
1620         * Use single callsite for send/recv ops. for consumer in sessiond
1621         * Use consumer fd reference in consumer socket obj
1622         * Update bash completion
1623         * Add --list-commands option to the snapshot command
1624         * Reorder functions _lttng_cmd_* functions in bash completion
1625         * Use parse_size_suffix in snapshot
1626         * Fix: snapshot record error handling
1627         * Fix: improve error message when UST support is disabled
1628         * Fix: add missing short filter option in help
1629         * Fix: typo in configure.ac for version check
1630         * Fix: remove calibrate syscall option from code
1631         * Fix: snapshot should fail if no successful snapshot is taken
1632         * Fix: check UST float field mantissa length
1633         * Fix: add UST context in the same order the user enabled them
1634         * Introduce configure --with-lttng-system-rundir
1635         * Add .dirstamp to gitignore file
1636         * Fix: snapshot with multiple UIDs
1637         * Prepare for automake deprecation of missing subdir-objects
1638         * Fix: typos in --help and manpage
1639         * Fix: add-context without -c apply to all channels
1640         * Fix: channels can be _enabled_ after tracing is started, but not created
1641         * Fix filter parser segmentation fault with bison 3.0
1642         * Fix: typo in error msg
1643         * Fix: imprecise error message about root sessiond/tracing group
1644         * Fix: don't skip chmod if tracing group is not found
1645         * Tracepoint probes don't need extern C
1646         * Fix: Snapshot should be taken asap in core handler script
1647         * Fix: reset out_fd_offset when we rotate the trace file
1648         * Fix: LTTNG_ERR_NEED_ROOT_SESSIOND error message
1649         * inet/inet6 sockets: apply timeout
1650         * Implement timeout for connect ipv4/ipv6
1651         * Introduce LTTNG_NETWORK_SOCKET_TIMEOUT env. var
1652         * bash completion: add calls to _lttng_complete_sessions
1653         * bash completion: Fix copy-paste typo
1654         * Extras: Remove deprecated consumer commands in bash completion
1655         * bash completion: Remove underscores in handler function names
1656         * bash completion: Remove --event for add-context
1657         * Update gitignore
1658         * relayd: use version macros from build rather than scanf
1659         * sessiond: use version major/minor from build for communication with relayd
1660         * build: export major/minor/patchlevel numbers
1661         * Fix: Dead code when checking return value from (ust_app|kernel)_snapshot_record
1662         * Test: enable kernel events after start
1663         * Fix: kernel ctl error codes are based on errno
1664         * Fix: format string mismatch
1665         * test: test_periodical_metadata_flush shrink timer period, kill app
1666         * Fix: format string type mismatch
1667         * snapshot howto: update text
1668         * Add snapshot howto
1669
1670 2013-07-19 lttng-tools 2.3.0-rc2
1671         * Add core-handler README to dist tarball
1672         * extras: core-handler: simplify, allow usage from tracing group
1673         * Cleanup: add missing dot
1674         * Fix: documentation: create name and options
1675         * Add core dump snapshot handler script
1676         * Fix: sym name len (kernel)
1677         * Fix: tests: provide channel name when a non-default channel exists: per-pid
1678         * Fix: tests: provide channel name when a non-default channel exists
1679         * Fix: data pending race
1680         * Fix hang in make check snapshots/test_ust
1681         * Cleanup: ust-consumer: wrong indentation
1682         * Fix: print dots while waiting for data availability
1683         * Fix: remove sleep(1) added by "Fix: (slight UI change) refuse missing -c if non-default channel exists"
1684         * Fix: (slight UI change) refuse missing -c if non-default channel exists
1685         * Fix: push metadata on stop for per-UID buffers
1686         * README: update python documentation
1687         * Manpage: other layout cleanups
1688         * Manpage: cleanup layout of view
1689         * Manpage: cleanup layout of version
1690         * Manpage: cleanup layout of stop
1691         * Manpage: cleanup layout of start
1692         * Manpage: cleanup layout of snapshot
1693         * Manpage: cleanup layout of set-session
1694         * Manpage: cleanup layout of list
1695         * Manpage: cleanup layout of disable-event
1696         * Manpage: cleanup layout of disable-channel
1697         * Manpage: cleanup layout of enable-event
1698         * Manpage: cleanup layout of enable-channel
1699         * Manpage: cleanup layout of destroy
1700         * Manpage: cleanup layout of create
1701         * Manpage: cleanup layout of calibrate
1702         * Manpage: cleanup layout of add-context
1703         * Documentation: create --snapshot in manpage
1704
1705 2013-07-17 lttng-tools 2.3.0-rc1
1706         * Fix: add missing snapshot header to dist tarball
1707         * Documentation: fix thread quit pipe comment
1708         * Test for presence of bison and flex when building from git
1709         * Test UST snapshot with large metadata
1710         * Add test application with large metadata
1711         * Cleanup: remove redundant assignment
1712         * Fix: use per-uid buffer registry for UID buffer snapshots
1713         * cmd.c: fix typos in snapshot commands
1714         * Test snapshot per-uid post-mortem
1715         * Remove leftover fprintf
1716         * Fix deadlock: don't take channel lock in timer
1717         * Introduce channel timer lock
1718         * document lttng_ustconsumer_request_metadata locking constraints
1719         * consumer: remove unused lttng_ustconsumer_push_metadata
1720         * Document metadata_socket_lock nesting
1721         * lttng_ustconsumer_recv_metadata does not need all those locks
1722         * document metadata_switch_timer() deadlock
1723         * Fix: add missing metadata socket lock
1724         * document metadata_switch_timer() locking constraints
1725         * consumer: remove timeout for UST metadata
1726         * Introduce pipe for UST metadata cache and stream
1727         * consumer: replace DBG2() instances by DBG()
1728         * Introduce utils_create_pipe_cloexec_nonblock()
1729         * ust consumer: data_pending check is endpoint active
1730         * Fix: kernel consumer: data_pending check if endpoint active
1731         * consumer: explicitly set endpoint status to active at init
1732         * document consumer_metadata_cache_flushed use of consumer_data.lock
1733         * consumer: introduce channel lock
1734         * Merge branch 'master' of git://git.lttng.org/lttng-tools
1735         * Fix: update lttng snapshot help output
1736         * Man: fix part of snapshot documentation
1737         * Fix: set tracefile size test with PID buffers
1738         * Fix: Babelstats fail to parse output with no process name or pid
1739         * Missing NULL pointer init in tap.c
1740         * Fix: Unchecked asprintf/vasprintf return values
1741         * Add snapshots test to fast regression
1742         * Fix: kernel data unit test
1743         * Fix: snapshot returned valid LTTNG_ERR code
1744         * Add the number of snapshot taken to the output path
1745         * Fix: RCU read side lock unbalanced
1746         * Fix: zeroed snapshot output at init
1747         * Support del-output with an output name
1748         * Update man page with snapshot command
1749         * New UST default buffers is now per UID
1750         * Bump UST ABI major version for 2.3 release
1751         * Add snapshot mode to lttng list session
1752         * Fix: support temporary snapshot max size and name
1753         * Support snapshot max-size limitation
1754         * Tests: per-UID UST snapshot
1755         * Fix: snapshot support for UST and kernel in same session
1756         * Implement lttng create --snapshot command
1757         * Add create session snapshot API in lttng-sessiond
1758         * Add snapshot output init call that uses URIs
1759         * Fix: consumer err_sock cloexec
1760         * Callsite: add "ip" context
1761         * Fix: possible consumer sockets double close on cleanup
1762         * Automatically load kvm-x86 and kvm-x86-mmu probes.
1763         * Fix: consumer: use uint64_t for all sessiond_id
1764         * Fix: add gpl and lgpl files to tarball
1765         * Fix: don't install libtap system wide
1766         * Fix: close consumer sockets in sessiond cleanup
1767         * Fix: set globally visible flag to kernel stream
1768         * Fix: lttng: memory leak in snapshot record command
1769         * Fix: kernel-consumer: double-close
1770         * Fix: consumer: incorrect size zmalloc
1771         * Fix: don't try to send stream to relayd if not in streaming
1772         * Fix: relayd refcount updates for stream
1773         * Fix: don't send error to sessiond on orderly shutdown
1774         * Fix: bad pathname used when sending kernel stream to relayd
1775         * Fix: add globally visible flag in stream
1776         * Fix: destroy metadata stream on setup metadata error path
1777         * Fix: send kernel stream to relayd only if needed
1778         * Fix: destroy streams for kernel snapshot sessions as well
1779         * Fix: close and destroy metadata stream after a kernel snapshot
1780         * Fix: print errno message on connect() error
1781         * Fix: possible double-close on stream out_fd
1782         * Fix: session ID signess to uin64_t in sessiond
1783         * Tests: fix validation trace path in kernel snapshot
1784         * Tests: Add UST snapshot local and streaming
1785         * Add UST snapshot support
1786         * Fix: consumer_add_relayd_socket() report errors to sessiond
1787         * Fix: add missing enum lttcomm_return_code entries
1788         * Fix: UST per-UID channels persist across application teardown
1789         * Fix: kernel snapshot metadata handling and error paths
1790         * Fix: coding style and debug statement
1791         * Fix: put subbuffer back in kernel snapshot error path
1792         * Fix: overflow in uri_to_str_url
1793         * Fix: detect the correct version of LTTng-UST
1794         * Fix: sessiond: use uint64_t for all session ids
1795         * Tests: add kernel snapshot streaming to root regression
1796         * Tests: remove debug output from test
1797         * Tests: Add kernel snapshot streaming
1798         * Fix: use snapshot consumer output for kernel
1799         * Fix: periodical flush check trace before stop
1800         * Fix: consumer: 64-bit index for relayd rather than 32-bit (v2)
1801         * Fix UST channel/stream output assignation
1802         * Fix: send per-pid session id in channel creation
1803         * Fix: consumer double-close on error
1804         * Update URCU detection to correctly check for a 0.7 version
1805         * Fix: snapshot path
1806         * Add utils function to format current time as a string
1807         * Fix: set hidden attribute to utils_* calls
1808         * Fix: consumer handling of metadata for relayd
1809         * Add kernel snapshot support
1810         * Support flight recorder mode for a session
1811         * Implement snapshot commands in lttng-sessiond
1812         * Add snapshot command to lttng UI
1813         * Initial import of the snapshot ABI/API in lttng-ctl
1814         * Use the consumer stream API in consumer_del_stream()
1815         * Add consumer-stream.c/.h in libconsumer
1816         * Move multiple URLs parsing fct from lttng-ctl to uri.c
1817         * Add a lttng-ctl header to facilitate code separation
1818
1819 2013-06-25 lttng-tools 2.2.0 (National Catfish Day)
1820         * STABLE VERSION
1821         * Fix: if relayd is unreachable, disable consumer for the session
1822         * Fix: possible infinite loop in disable ust event
1823         * Fix: don't enable a channel if a session was already started
1824         * Fix: bad type for the relayd id
1825         * Fix: add debug statement in kernel flush metadata
1826         * Fix: destroy default created channel if add-context fails
1827         * Fix: clarify tracefile size/count in lttng.1 man
1828         * Fix: don't stop a session that was not previously started
1829         * Fix: update lttng.1 man page
1830         * Fix: bad protocol flow between sessiond and consumerd
1831         * Fix: kernel memory leak in error path
1832
1833 2013-06-20 lttng-tools 2.2.0-rc3
1834         * Multiple memory and fd leak fixes in sessiond and consumerd
1835         * Test: stress test added to the repository but not in make check
1836         * Using LTTNG_HOME environment variable if exists, with fallback to HOME
1837         * Implement health check for app registration dispatch
1838         * Implement health check for app notification thread
1839         * Revert "Improve channel listing output format"
1840         * Fix: use lttng pipe to send new stream to thread
1841         * Change consumer_metadata_pipe to be a lttng_pipe
1842         * Change consumer_data_pipe to be a lttng_pipe
1843         * Add wrappers for pipe
1844         * Add --version command-line option to lttng.
1845         * Add --with-lttng-ust-prefix config option.
1846         * Fixes from coverity scan.
1847         * Stability fixes
1848         * RCU hash table are now destroyed in a seperate thread in sessiond
1849
1850 2013-05-09 lttng-tools 2.2.0-rc2
1851         * Fix: split UST per UID/PID default values
1852         * Fix: don't start the relayd with a wrong --output dir
1853         * Fix: Erroneous automatic session name when streaming
1854         * Fix: wrong data port when listing session's URI
1855         * Fix: don't create a channel on an enable channel
1856         * Tests: Add missing test_utils_parse_size_suffix to unit tests
1857         * Fix: print lttng strerror on enable event with filter
1858         * Fix: change relayd protocol version to 2.2
1859         * Fix: reset current size for tracefile rotation
1860         * Fix: remove extra -I for python bindings
1861         * lttng UI: round up trace file size to subbuf size if needed
1862         * Fix lttng UI: fix arg parsing, round size to next power of two
1863         * Fix: check errors in lttng command argument values
1864         * Implement get_count_order in lttng utils
1865         * lttng cli: Accept human readable sizes for --subbuf-size
1866         * Unit tests: don't rebuild units under test
1867         * Fix: consumerd metadata channel/cache/timer races
1868         * Fix: consumerd channel destroy race
1869         * Cleanup: document RCU read-side lock better
1870         * consumer relayd interaction: fix segfaults
1871         * Fix: change order of fd get to fix error path
1872         * Fix: fd leak when creating UST metadata channel
1873         * Fix: fd leak on error
1874         * Fix consumerd fd leak
1875         * Fix RCU-related hangs: incorrect lttng_ht_destroy use
1876         * rculfhash: check for callers from RCU read-side C.S.
1877         * Fix: don't call hash table destroy under rcu read-side c.s.
1878         * Documentation: import updated comments from urcu
1879         * Fix: segfault in buffer_reg_channel_destroy()
1880         * Fix: add missing goto error in UST consumer
1881         * Fix: no need to use run_as_open in the relayd
1882         * Fix: typo in enable-channel man and help
1883         * Fix: add some missing hidden attribute
1884         * Fix: per-uid buffers should only be flushed once on stop
1885         * Cleanup: Use own mutex within timer setup/teardown
1886         * Fix: channel management thread should hold a refcount
1887         * Fix: move metadata cache setup before ownership passing
1888         * Fix: consumer metadata switch timer error handling
1889         * Fix: set ptr to NULL to suppress old gcc warnings
1890         * Fix: linking order of libraries
1891         * Fix: multiple type mismatch in debug statement
1892         * Fix: remove mention of trace directory layout in quickstart doc
1893         * Fix: remove unused path variables from session obj
1894         * Fix: update lttng.1 man and enable-channel help with read timer size
1895         * Fix: use channel per domain default values
1896         * Fix: typos in the code base
1897         * Fix: deny multiple event types with enable-event
1898         * Fix: deny the same port for data and control URL
1899         * Fix: reset consumer destination when changing URIs
1900         * Fix: don't allow different control and data destination
1901         * Fix: typos in error strings
1902         * Improve channel listing output format
1903         * Fix: enable-channel accepts mismatched option
1904         * Fix: validate buffer type for UST channel creation
1905
1906 2013-03-28 lttng-tools 2.2.0-rc1
1907         * Add UST per UID buffers support
1908         * UST metadata generation are created on the sessiond side
1909         * Move LTTng-UST buffer ownership from application to consumer
1910         * Add a UST registry of events and channel in the sessiond
1911         * UST periodical metadata flush
1912         * Refactor tests to use prove and tap
1913         * Support for trace file rotation for the relayd and on disk
1914         * Support per-context filtering
1915         * Add channel wakeup fd to monitor close
1916         * Deprecate enable/disable-consumer
1917         * Multiple fixes and memory leak fix.
1918
1919 2012-12-20 lttng-tools 2.1.0 (13th Baktun)
1920         * STABLE VERSION 2.1.0-stable - "Basse Messe"
1921         * Multiple minor fixes
1922         * Multiple memory and fd leaks
1923         * Fix: Off by one in seq num for data pending command
1924         * Fix: flag metadata stream on quiescent control cmd
1925         * Fix: prioritize control socket communication in relayd
1926         * Fix: poll and epoll fd set reallocation
1927         * Fix: add missing goto pending if data is inflight
1928         * Fix: remove ua_sess->started assert on stop trace
1929         * Set classes of traffic in high_throughput_limit
1930         * Fix: use the poll wait ret value when iterating on fd(s)
1931         * Fix: force the poll() return value to be nb_fd
1932         * Fix: Wrong check of node when cleaning up ht
1933         * Fix: set started flag of ust app after ustctl
1934         * Fix: memory leak in add relayd socket error path
1935         * Fix: add packed attribute to filter structure
1936         * Fix: Add missing health code update for consumer command
1937         * Add LTTNG_PACKED macro
1938         * Fix data pending for inflight streaming
1939         * Map session id of relayd and sessiond in consumer
1940         * Add the relayd create session command
1941         * Make the consumer sends a ACK after each command
1942         * Remove MSG_WAITALL on every recvmsg() socket typ
1943         * Fix: Add missing relayd ht cleanup and ht destroy
1944         * Fix: Relayd and sessiond version check
1945         * Fix: protect consumer_find_channel with rcu locking
1946         * Fix: don't steal key when adding a metadata stream
1947         * Consumer hold stream mutex for add stream
1948
1949 2012-12-03 lttng-tools 2.1.0-rc9
1950         * Fix: set the stream ht static in consumer file
1951         * Update sessiond man page with new env var
1952         * Update lttng.1 man page
1953         * Fix: enable-consumer for all domains missing dir
1954         * Fix: Add missing fct prototypes when disabling UST
1955         * Fix a typo in lttng-probe-module name
1956         * Assign values to enum lttcomm_sessiond_command
1957         * Fix: run health test only if root
1958         * Clarify empty string/NULL filter errors
1959         * Fix: add missing padding for UST filter
1960
1961 2012-11-22 lttng-tools 2.1.0-rc8
1962         * Fix: Uninit. variable in lttng view
1963         * Add already enabled UST event error code
1964         * lttng.h API update: set filter becomes enable event with filter
1965         * Change the UST event hash table match function
1966         * Pass lttng_event struct to the set_filter API call
1967         * Adding context to an event is no longer possible
1968         * Add UST overlap tests
1969         * Add filter sequence number to UST
1970         * Fix: Typo from a previous patch in an assert()
1971         * Fix: Warn if session is running with lttng view
1972         * Fix: Add bash requirement to README for make check
1973         * Fix: add the notion of domain to lttng.1 man page
1974         * Enable additional kernel probes
1975         * Update CodingStyle
1976         * Use the new functions for default subbuf sizes
1977         * Add default subbuf sizes getter functions
1978         * Add max() and min() macro in common
1979
1980 2012-11-13 lttng-tools 2.1.0-rc7
1981         * Fix: Add pointer check when freeing poll events
1982         * Fix: FD leak on thread error
1983         * Fix: Wrong fd used by kernel_wait_quiescent
1984         * Support new lttng-ust error code
1985         * Fix: Don't set filter if enable event fails
1986         * Fix: Wrong data port when listing session
1987         * Fix: Enable event after start command
1988         * Fix: Teardown of thread_manage_clients on failure of listen/create_poll
1989         * Add a timeout to UST application socket
1990         * Fix: Consumerd error socket connect race
1991         * Fix: Set CLOEXEC flag on every created sockets
1992         * Remove consumer poll timeout in data thread
1993         * Fix: RCU hash table seed
1994         * Fix: Do not install health tests helper libraries
1995         * Fix: Create default channel on add-context if none
1996         * Support new liblttng-ust-ctl error code
1997         * Fix: Add EPIPE error handling on buffer splice
1998         * Fix: Channel creation error return code was not set
1999         * Fix: Wrong poll events on UST application socket
2000         * Fix: Remove dependency to urcu-cds in tools tests
2001         * Fix: Missing librt dependency in configure check for lttng-ust-ctl
2002         * Fix: Don't append datetime to default session name
2003         * Fix: Deny session creation name 'auto'
2004         * Fix: Add space for stream name CPU number
2005         * Fix: Add output option to enable-channel command
2006
2007 2012-11-02 lttng-tools 2.1.0-rc6
2008         * Tests: Add filtering tests for uncovered cases
2009         * Fix: Sync issue when deleting a data stream
2010         * Rename data_available to data_pending
2011         * Fix: consumer health state
2012         * Fix: Add the ACCOUNTING flag to ht creation and set bucket size to 0
2013         * Fix: Bad return error code handling
2014         * Fix: Use after free() of the rundir string
2015         * Fix: Cleanup UST app session on ustctl create session error
2016         * Fix: add missing pthread_join in sessiond
2017         * Fix: free running directory string
2018         * Fix: UST app clean list node usage
2019         * Add liblttng-ctl destructor to cleanup memory
2020         * Fix: Cleanup URIs on teardown
2021         * Fix: relayd memleaks
2022         * Fix: Memory leaks of allocated URIs
2023         * Fix: consumer output memory leak on creation
2024         * Fix: missing addrlen initialization before accept(2)
2025         * Fix: relayd trace file padding memleak
2026         * Fix: Remove useless consumer subdir string concatenation
2027         * Fix: lttng create allocated path memleak
2028         * Fix: Cppcheck memleakOnRealloc mistake
2029         * Fix: Synchronization issue for data available command
2030         * Fix: consumer relayd cleanup on disconnect
2031         * Fix: Handle the unary bitwise negation operator (~) in the XML printer
2032         * Fix: Possible memory leaks when creating filter IR root node
2033         * Fix: Delete stream on write error in consumer
2034         * Fix: Error handling when sending relayd sockets to consumer
2035         * Add stream lock comment for nesting
2036         * Fix: Mutex and RCU lock nesting in consumer
2037         * Fix: Uninitialized ret code
2038         * Fix: Remove bad condition and fix overflow issue
2039         * Fix: consumerd pthread error flow
2040         * Fix: Set a single return point and mutex unlock
2041         * Fix: Remove useless NULL and zero assignment
2042         * Fix: segfault on create session with two URLs
2043
2044 2012-10-22 lttng-tools 2.1.0-rc5
2045         * Fix: Remove network stream ID ABI calls
2046         * Tests: Add filtering tests
2047         * Wait for data availability when stopping a session
2048         * Relayd data available command support
2049         * Lib lttng-ctl data available command support
2050         * Consumer daemon data available command support
2051         * Add data structure for the data available command
2052         * Change the metadata hash table node
2053         * Make stream hash tables global to the consumer
2054         * Move add data stream to the data thread
2055         * Rename consumer threads and spawn them in daemon
2056         * Fix: relayd close stream command was not working
2057         * Fix: Relayd and consumerd socket leaks
2058         * Fix: Missing -ENODATA handling in the consumer
2059         * Fix: Empty metadata buffer(s) on HUP|ERR
2060         * ABI with support for compat 32/64 bits
2061         * Fix: Stream allocation and insertion consistency
2062         * Fix: output number of bytes written by relayd
2063         * Add hash table argument to helper functions
2064         * Fix: Add missing call rcu and read side lock
2065         * Tests: Fix LD_PRELOAD library lookup path for health tests
2066         * Fix: Add arbitrary wait period for kernel streaming test
2067         * Fix coding style and add/change debug statements
2068         * Fix: Build out of src tree
2069         * Tests: Add health check tests to configure
2070         * Tests: Add health check thread stall test
2071         * Tests: Add health check thread exit test
2072         * Tests: Add a health check utility program
2073         * Add testpoints in lttng-sessiond for each threads
2074         * New testpoint mechanism to instrument binaries for testing
2075         * Fix: off-by-one in comm proto between lttng-ctl and sessiond
2076         * Fix: Metadata stream leak when received in consumer
2077         * Fix: consumer_allocate_stream error handling
2078         * Fix: consumer should await for initial streams
2079         * Fix: Missing rcu read side lock in consumer
2080
2081 2012-09-26 lttng-tools 2.1.0-rc4
2082         * Fix: Change sempahore to pthread conditions
2083         * Fix: relayd relay_send_version: handle sscanf return code
2084         * Fix relayd: NULL ptr deref
2085         * Fix: relayd: possible NULL ptr deref, memory leak, accept fd leak
2086         * Tests: add print bytecode to filter grammar test
2087         * Cleanup: assign values to bytecode opcodes
2088         * Fix: Filter: Fix allocation length error
2089         * Fix: Filter: add missing ast free
2090         * Tests: Add high throughput with bandwidth limits test
2091         * Fix: Returned code when listing kernel channel
2092         * Tests: Rename helper functions to have consistent names
2093         * Tests: Cleanup redundant code and use printing helper functions
2094         * Tests: Add helper functions for printing status and banner
2095         * Tests: Add a check for color support when printing status
2096         * Fix: Lib lttng-ctl on error returns lttng code
2097         * Fix: lttng_set_event_filter() was returning bad error code
2098         * Fix: printing [no write] on lttng list -uf
2099         * Fix: Disable event on filter error with lttng
2100         * Fix: Wrong returned error code on UST enable event
2101         * Add consumer commands to lttng.1 man page
2102         * Add lttng_health_check(3) man page
2103         * Fix: Remove LPOLLNVAL from consumer metadata revents
2104         * Fix: Mismatch of field name between ust and tools
2105         * Add the written value when listing fields
2106         * Fix: Consumer return value check after mmap/splice
2107         * Don't send the subbuffer padding for streaming
2108         * Fix: Returned error code in consumer on read buffer
2109
2110 2012-09-12 lttng-tools 2.1.0-rc3
2111         * Fix: Relayd fix ret value when adding a connection
2112         * Add new thread in consumer for metadata handling
2113         * Fix: consumer recv command error path
2114         * Fix filter: fix recent regressions
2115         * Update lttng-ust-abi.h from upstream lttng-ust
2116         * Fix: Accept bytecode of length 65536 bytes
2117         * Fix: Generation of bytecode longer than 32768 bytes fails
2118         * Fix: Filter bytecode alloc buffer size must be a power of 2
2119         * Add lttng-ctl SWIG python bindings
2120         * Add C++ support to API header files
2121         * Librarify filter in liblttng-ctl and hide symbols
2122         * Set hidden visibility for calls used in lttng-ctl
2123         * Notify the user if a filter is already enabled
2124         * Install lttng-error.h and include it in lttng.h
2125         * Add lttng-error.h containing every API err. code
2126         * Fix: missing hostname context
2127
2128 2012-08-22 lttng-tools 2.1.0-rc2
2129         * Fix: put back 2.0 output text for lttng create cmd
2130         * Fix: remove set subdir call that uses bad ptr
2131         * Filter: Handle the unary bitwise not operator (~) with an unsupported
2132         * Fix: missing mutex unlock on register consumer err
2133         * Remove underscore from ifndef of lttng.h
2134         * Remove unused define in lttng.h
2135         * Standardize lttng command line usage text
2136         * Merge duplicate code in consumer for destroy relayd
2137         * Merge duplicate code in consumer for add relayd
2138         * Fix: Possible buffer overflows in strncat() usage
2139         * Move code out of main.c and fix some issues
2140
2141 2012-08-17 lttng-tools 2.1.0-rc1
2142         * Feature: Network Streaming
2143         * Add the lttng-relayd binary for network streaming
2144         * Support user space tracer filtering
2145         * Multiple fixes
2146
2147 2012-04-19 lttng-tools 2.0.1
2148         * Fix: test script for kernel module validation
2149         * Fix: report error to client on consumerd error
2150         * Fix: add missing ht_destroy at consumer teardown
2151         * Fix: consumer fd recv thread should write into non-blocking pipe
2152         * Fix: work-around glibc __nptl_setxid vs clone hang
2153         * Fix: consumer fd recv poll should be sensitive to POLLPRI too
2154         * Fix consumer lttng_consumer_poll_socket poll revents check bug
2155         * Fix: increase consumer open files limit
2156         * Update README: document dep on modprobe for kernel tracing
2157         * Fix: wait for sessiond to stop in tests
2158         * Fix: remove unused return variable
2159         * Don't report back error on syscalls fail for -a -k
2160         * Fix: destroy context hash table being NULL
2161         * Fix: make lttng expand path for trace output opt
2162         * Fix: return value signedness
2163         * Fix: man page environment variable name error
2164         * Fix: check return value on getenv USER
2165
2166 2012-03-20 lttng-tools 2.0.0
2167         * Fist STABLE version
2168         * Add version name: Annedd'ale
2169
2170 2012-03-20 lttng-tools 2.0.0-rc4
2171         * Fix: add small detail to enable-channel man page
2172         * Fix: warned of arbitrary time for ust-nprocesses test
2173         * Fix. add limitation to man page
2174         * Fix: minor changes to lttng.1
2175         * Fix: add exit values to lttng.1 man page
2176         * Fix: add delay before validating apps in test nproc
2177         * Fix: error handling in lttng enable-event
2178         * Fix: document structure init. to 0 in lttng.h
2179         * Fix: uninitialized variable
2180         * Keep track of FD used for UST applications (v2)
2181         * Fix: lttng view, error message and exit code
2182         * Small fixes to lttng man pages (v2)
2183         * Fix: handle EINTR for sendmsg syscall
2184         * Fix: lttng UI exit value and error message
2185         * Fix: session lock use after free
2186         * Fix kernel_list_events memleaks
2187         * Fix debug message use uninitialized variable
2188         * Fix: trace_ust_destroy_metadata should check for NULL pointer
2189         * Fix: various memleaks
2190         * Fix: hash table allocation out of order on error
2191         * fix: lttng_ht_destroy memleak
2192
2193 2012-03-16 lttng-tools 2.0.0-rc3
2194         * Fix: missing headers for make dist
2195         * Fix: install lttng-consumerd in lib/lttng/libexec/
2196         * Fix: Redefine MAP_STACK to 0 if not defined by the architecture
2197         * Fix: consumer CPU hotplug support
2198         * Fix: double PID registration race
2199         * Make libcompat independent not to confuse automake
2200         * Clarify the license of lttng-ust-abi.h
2201         * Fix: License header
2202         * Fix: wrong return value on consumer socket creation
2203         * Fix: test for UST invalid channel parameters at channel creation
2204         * Fix: recvmsg should handle EINTR
2205         * Fix: error.h non-static variables for liblttng-ctl
2206         * Fix: missing _GNU_SOURCE define
2207         * Fix: improve need root for kernel tracing error message
2208         * Fix: start/stop lttng message error
2209
2210 2012-03-02 lttng-tools 2.0.0-rc2
2211         * Fix: meaningful error message
2212         * Fix: UST consumer need to iterate on streams, just change their key
2213         * Fix: add missing rcu read lock across RCU HT iteration
2214         * Fix: kernel session closes fd 0 after create
2215         * Fix: sendmsg EPIPE should be quiet by default (expected)
2216         * Fix: thread_registration_apps should set its local sock to -1 when passing it
2217         * Fix: clock -> sock typo
2218         * Fix: consumer race: should allow reuse of FD key
2219         * Fix: Use PERROR all across lttng-tools, never make it quiet
2220         * Fix: test all close return values in sessiond
2221         * Fix: All perror turned into PERROR to show file and line number
2222         * Fix: large audit of close() use in sessiond main.c
2223         * Fix: main.c client/apps sockets and kernel_trace_fd close(0)
2224         * Fix: incorrect close of fd 0 for syscall kernel event destroy
2225         * Fix: sessiond has incorrect missing 0 value in FD check
2226         * Fix: sessiond app listening: use posix-compliant poll flags
2227         * Fix: consumer printf type should match ssize_t (%zd)
2228         * Fix: make ust consumer posix compliant for poll flags
2229         * Fix security permission on lttng run directory
2230         * Fix: Display right loglevel_type in error message
2231         * Fix documentation in lttng.h
2232         * Fix: lttng UST and kernel consumer: fix ret vs errno mixup
2233         * Fix: restart consumerd and sessiond when interrupted in poll()
2234         * Fix: handling bad channel when sending to consumer
2235         * Fix useless variable
2236         * Fix add-context returned error
2237         * fix: add missing break in command handling
2238         * fix: command handling: do not check domain for commands not requiring domain
2239         * fix: if tracing group does not exist, do not report a client error
2240         * Fix: run_as error handling
2241         * Fix usage note on -a
2242         * Revert FreeBSD compatibility layer
2243         * Fix: documented number of subbuffers is incorrect
2244         * Document that num-subbuf and subbuf-size need to be power of 2
2245         * Merge branch 'master' of git://git.lttng.org/lttng-tools
2246
2247 2012-02-20 lttng-tools 2.0.0-rc1
2248         * Fix lttcomm_close_unix_sock to actually close the socket
2249         * lttng-sessiond: Set group permissions explicitly
2250
2251 2012-02-16 lttng-tools 2.0-pre23
2252         * configure.ac: Fix consumerd64-libdir typo
2253         * Fix existing session daemon check
2254         * Fix missing session locks
2255         * Fix return value on ust app session create
2256         * Fix double start/stop trace
2257         * Fix ust app session started state on start trace
2258         * modprobe statedump, signal and timer lttng module
2259         * Fix hyphens in man pages
2260
2261 2012-02-14 lttng-tools 2.0-pre22
2262         * Add the bash-completion file to the dist tarball
2263         * Add the LICENSE file too
2264         * Package used for the Ubuntu LTS (feature freeze)
2265
2266 2012-02-13 lttng-tools 2.0-pre21
2267         * Fix licensing for hashtable/utils.c
2268         * Print loglevel value in list -u
2269         * Remove "<all> from MSG() when no loglevel is selected
2270         * Initial import of man lttng.1 and lttng-sessiond.8
2271         * Fix memory leak  master
2272
2273 2012-02-09 lttng-tools 2.0-pre20
2274         * New lttng view command
2275         * Multiple loglevel fixes
2276         * Fix list command
2277         * Fix session syscall listing
2278         * Multiple fixes across the code base
2279
2280 2012-02-02 lttng-tools 2.0-pre19
2281         * Update lttng ust ABI/API copy
2282         * Implement UST calibrate and change default
2283         * Add MSG_WAITALL to recvmsg of sessiond-comm
2284         * Check kernel version for tests
2285         * Add a '--list-options' option to each command.
2286         * First import of extras/ with lttng bash completion
2287         * Remove default defines from lttng.h
2288         * Fix lttng sessiond spawn wait race
2289         * Add CMD_WARNING error code
2290         * Fix context mapping for UST and kernel
2291         * Add kernel work-around for boot_id
2292         * Rewrites lttng-ctl's set_session_daemon_path
2293         * Fix memory lean in all lttng cli commands
2294         * Update loglevel ABI
2295         * Add padding to all ABIs for future development.
2296         * Improve error handling of lttng cli
2297         * Multiple fixes across the code base (nothing critical)
2298
2299 2012-01-23 lttng-tools 2.0-pre18
2300         * Complete change of the source directory tree
2301         * Move compat to common and create an internal lib
2302         * Rename lttngerr.h to error.h
2303         * Add kernel module version validation
2304         * Add UST version validation
2305         * Change SIGCHLD to SIGUSR1 when lttng waiting on sessiond
2306         * Fix off-by-one and double list size instead of steady increment
2307
2308 2012-01-19 lttng-tools 2.0-pre17
2309         * Add and support the new hash table library
2310         * Add lttng hash table support to liblttng-consumer
2311         * RCU support for consumer's hash tables
2312         * UST consumer close shm fd after mapping it
2313         * Remove CLONE_VM flag for runas making gdb debugging impossible
2314         * Make MSG() print on stdout instead of stderr
2315         * Don't init kernel tracer if not root (UID=0)
2316         * Multiple fixes found when reaching max. number of open files
2317         * Add some UST tests
2318         * Multiple segfaults and assert error fixed
2319
2320 2011-12-23 lttng-tools 2.0-pre16
2321         * Per-user lttng-sessiond now fully functionnal
2322         * Fix nested double usage of hashtable iterators
2323         * Support creds passing between lttng and sessiond
2324         * Rename sessiond internal "uid" fields to "id"
2325         * Create all trace directories and files with client user credentials
2326         * Create output directory at session creation command
2327         * Only allow the user or group owning the session (or root) to control a session
2328         * Add disable kernel tracing option to sessiond
2329
2330 2011-12-13 lttng-tools 2.0-pre15
2331         * (MAJOR) User-space tracing support for global domain (lttng-ust 2.0)
2332         * UST consumer 32/64 bit support
2333         * Multiple bug fixes
2334         * Multiple segfault, race and double lock fixes
2335         * API change for lttng_list_domains, lttng_start/stop and lttng_destroy
2336         * UST loglevel support
2337         * ABIs now support 256 char event names
2338         * Dependency on libpopt >= 1.13
2339         * Dependency on URCU >= 0.6.7
2340         * Rename kernel-ctl.c/.h to kernel.c/.h
2341         * Change malloc to zmalloc in lttng-sessiond code
2342         * RCU hashtable support for all UST data structure
2343         * New libconsumer for UST, kernel and one generic
2344         * Change "--all" option from lttng command line
2345         * Remove function entry option to discourage its use
2346
2347 2011-09-30 lttng-tools 2.0-pre14
2348         * Syscall tracing support
2349         * Multiple bug fixes (nothing critical)
2350         * Add userspace RCU hash table to tree for dev
2351         * Update UST ABI
2352         * Fix epoll that did not handle EINTR
2353         * Liburcu >= 0.6.5 is needed from this release
2354         * Enabling all events also enable syscall tracing
2355         * Debug messages are now on stderr
2356         * Add basic data structure for UST support but not ready yet.
2357
2358 2011-08-25 lttng-tools 2.0-pre13
2359         * Memory leaks fixes and double lock list
2360         * Add UST registration with sychronisation
2361         * Use poll/epoll compatibility layer for the sessiond
2362         * Major code cleanup of ltt-sessiond/main.c
2363         * Increase listen() connexion limit
2364         * Fix bad enable-channel command
2365         * Rename trace.c/.h to trace-kernel
2366         * Multiple fixes on the poll management with the new epoll API
2367
2368 2011-08-25 lttng-tools 2.0-pre12
2369         * Multiple fixes
2370         * Fix kconsumerd handling custom channel output
2371         * Add lttng_register_consumer to register a custom consumer
2372         * Add multiples tests of the session daemon
2373         * Default kernel channel size/number changed
2374         * Support for UST application registration
2375         * Import LTTng UST 2.0 ABI
2376         * Send data to kconsumerd before tracing start
2377         * Export API of lib kernel consumer (liblttngkconsumerd)
2378
2379 2011-08-12 lttng-tools 2.0-pre11
2380         * New lttng API using the lttng_handle
2381         * Multiple fixes of kernel consumer
2382         * Register the consuming function and add a library context
2383         * Kernel consumer fix mmap/munmap
2384         * lttng-sessiond-comm header has been privatize
2385         * Kernel traces are written in the kernel/ directory
2386         * Add underscore to enable-channel command options
2387
2388 2011-07-29 lttng-tools 2.0-pre6
2389         * Fix enable multiple events
2390         * Add function entry feature
2391
2392 2011-07-28 lttng-tools 2.0-pre5
2393         * Fix Add context command
2394         * Fix auto session path creation
2395         * Fix bad strncmp at channel creation
2396
2397 2011-07-23 lttng-tools 2.0-pre4
2398         * Fix kprobe attributes
2399         * Fix channel creation when not found at event enable
2400         * Add safe list iteration
2401         * Add two tests into the git tree
2402         * Kernel consumer can be put in debug mode with -vv
2403         * Trace path is now created on the client side
2404
2405 2011-07-23 lttng-tools 2.0-pre3
2406         * Fix perf hw cache counter config values
2407
2408 2011-07-22 lttng-tools 2.0-pre2
2409         * Multiple fixes
2410         * New add-context options for perf counter and context
2411         * Using the install bin path from autotool for execl() call
2412         * Update quickstart guide
2413
2414 2011-07-20 lttng-tools 2.0-pre1
2415         * First prerelease of lttng-tools.
2416         * Working with the LTTng v2.0-pre1 modules and Babeltrace v0.1