X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=ChangeLog;h=3ff486ac18850923a6599ce58bbf7515985191df;hp=bf2baea98aa00d5bae2d5559418345b9290db552;hb=de76faf845535b90c71a30b996b411348f81f6be;hpb=52ffda46b95f627dd67c8e01c01284ddc33336cc

diff --git a/ChangeLog b/ChangeLog
index bf2baea98..3ff486ac1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,1105 @@
-2011-07-23 lttng-tools 2.0-pre5
+2014-10-20 lttng-tools 2.6.0-rc1 (Harry Belafonte records Banana Boat Song)
+	* Machine Interface added to lttng command line (--mi)
+	* Java Log4j agent support (--log4j)
+	* Kernel per syscall tracing
+	* Multiple fixes.
+
+2014-10-20 lttng-tools 2.5.1
+	* Fix: handle sysconf possible negative returned value
+	* Fix: channel deref. after NULL check in kernel consumer
+	* Fix: check for kernel session metadata during init
+	* Fix: incorrect cast in ust consumer assert
+	* Fix: bad handling of incoming data in consumer thread
+	* Fix: disable event for JUL domain
+	* Fix: send disable ALL command code if event is *
+	* Fix: make sure no index is in flight before using inactivity beacons
+	* Fix: Parenthesize previous statement when adding conditions to a filter
+	* Fix: parse_prob_opts return the actual success of the function
+	* Fix: Man page typos
+	* Fix: disable JUL event on destroy
+	* Fix: unbalanced ustconsumer32_data.pid_mutex lock
+
+2014-07-16 lttng-tools 2.5.0 (Take Your Poet to Work Day)
+	* Fix: validate file path creds in autoload mode
+	* Fix: change session file loading order
+	* Fix: add Loading Sessions section to lttng-sessiond.8
+	* Fix: add default session conf. dir to manpage
+	* Fix: on session load, add it to the .lttngrc
+	* Fix: clarify session conf. directory in man
+	* Fix: filter error path could free invalid ptr
+	* Fix: Create a lock file to prevent multiple session daemons
+	* Fix: relayd stream set close_flag on stream close
+	* Fix: ustctl_get_stream_id without UST support
+	* Fix: avoid freeing invalid ptr in filter bytecode
+	* Fix: get the stream_id when generating live beacons
+	* Fix: use biggest subbuffer size for snapshot max-size
+	* Fix: Possible memory leak when multiple config files are loaded
+	* Fix: Clamp verbosity value read from config file
+	* Fix: Unchecked strdup return values in set_option
+
+2014-06-27 lttng-tools 2.5.0-rc2
+	* Test: add JUL disable event tests
+	* Fix: disable JUL event on UST side
+	* Fix: accept override flag even without a load path
+	* Fix: bad error code path when loading session
+	* Fix: set session in output mode if URL are set afterwards
+	* Fix: add a kernel context list to the channel
+	* Fix: Add vpid, vppid and vtid info in add-context help
+	* Fix: wrong behavior of save command when no session name is provided
+	* Fix: missing context type string in save for ust context
+	* Fix: wrong casting of return value
+	* Fix: add dependency to libcommon for python binding
+	* Fix: remove the default GIT_VERSION
+
+2014-05-28 lttng-tools 2.5.0-rc1 (International Hamburger Day)
+	* Save/load session feature
+	* Daemon configuration file support
+	* UST perf counter support with add-context
+	* Kernel tracer probe user define list
+	* Multiple fixes! The diff is just too big to put here.
+
+2014-07-16 lttng-tools 2.4.2 (Take Your Poet to Work Day)
+	* Fix: Create a lock file to prevent multiple session daemons
+	* Fix: relayd stream set close_flag on stream close
+	* Fix: ustctl_get_stream_id without UST support
+	* Fix: get the stream_id when generating live beacons
+	* Fix: missing include for getpwuid()
+	* Fix: add a get HOME dir fallback to getpwuid
+	* Fix: don't set enabled flag is session start fails
+	* Fix: logger name dropped from filter condition when loglevels are used
+	* Fix: memory leak in lttng_enable_event_with_exclusions
+	* Fix: check malloc return value
+	* Fix: static array larger than necessary
+	* Fix: set session in output mode if URL are set afterwards
+	* Fix: Add vpid, vppid and vtid info in add-context help
+	* Fix: alignment problems on targets not supporting unaligned access.
+	* Fix: possible use after free in consumer
+	* Fix: improve and update lttng.h comments
+	* Fix: JUL filtering for event *
+	* Fix: deny overwrite mode and num subbuf less than 2
+	* Fix: remove bad option in enable channel --help
+	* Fix: implicit conversion from enumeration
+	* Fix: clarify man page lttng.1
+	* Fix: Copy-pasted PERROR messages may be misleading
+	* Fix: incorrect printf format
+	* Fix: handle ENOENT when creating a kernel event
+	* Fix: move JUL filter creation to a function
+	* Fix: JUL filtering done on the UST level
+	* Fix: Don't include the binary in the live test's EXTRA_DIST
+	* Fix: add JUL filter to UST event on logger_name
+	* Fix: Racy event validation in tests
+	* Fix: rework utils_parse_size_suffix
+
+2014-04-08 lttng-tools 2.4.1 (OpenSSL heartbleed day)
+	* Fix: don't delete stream from connection recv list
+	* Fix: use after free of a relayd stream
+	* Fix: don't print stream name in error message
+	* Fix: take session list lock when listing tp
+	* Fix: add consumer wake up pipe to avoid race
+	* Fix: don't spawn relayd if URL is provided
+	* Fix: don't ask data pending if session was not started
+	* Fix: missing test file in EXTRA dist
+	* Fix: allow empty URL for live session creation
+	* Fix: missing valid return code when adding an URI to consumer
+	* Fix: syntax error in lttng.1
+	* Fix: check relayd fd leak in lttng cmdline
+	* Fix: remove unused tp in high-throughput test
+	* Use autoconf AM_MAINTAINER_MODE.
+	* Fix: clang 'constant-out-of-range-compare' warning
+	* Fix: Unchecked session pointer when destroying a connection in relayd
+
+2014-02-28 lttng-tools 2.4.0 (Public Sleeping Day)
+	* Fix: improve lttng with live by spawning relayd
+	* Fix: relayd should listen for viewers on localhost only by default
+	* Fix: handle loglevel range ALL in list command
+	* Tests: add JUL test for multiple loglevel
+	* Fix: index JUL event by name *and* loglevel
+	* Fix: JUL to enable user and root tracepoints
+	* Fix: handle the registration done command for JUL
+	* Test fix: use temp file sync. of test app
+	* Fix: keep metadata channel attr in UST session
+	* Tests fix: Missing waitpid in fork test
+	* Fix: add loglevel type to lttng list <name>
+	* Fix: minor rephrasing of the lttng.1 man page
+	* Fix: Warn user if JUL port is already being used
+	* Fix: add some sane default values to --live opt
+	* Fix: possible NULL deref. in sessiond error path
+	* Fix: flag that kernel streams FDs has been sent
+	* Fix: forbid session name creation if contains /
+	* Fix: don't start session if no channel
+	* Fix: add missing relayd option to man page
+	* Fix: report error if consumer can't be spawned
+	* Fix: lttng list -u <name> should only list UST
+	* Fix: kernel channel destroy on consumer if sent
+	* Fix: only create UST metadata on start trace
+	* Revert "Fix: wrong condition on startup for low-activity streams"
+	* Fix: missing big endian conversion for one index field
+	* Fix: wrong condition on startup for low-activity streams
+	* Fix: perror on index directory creation error
+	* Comments fix: lttngerr.h -> error.h (./Changelog:754)
+	* Fix: consumerd errors on exit
+	* Fix: scanf unbounded input
+	* Fix: miscellaneous memory handling fixes
+	* Fix: add missing VALGRIND ifdef checks and documentation
+
+2014-02-14 lttng-tools 2.4.0-rc5
+	* Fix: steal channel key in the consumer to avoid race
+	* Fix: change ERR statement to DBG in kernel read subbuffer
+	* Fix: handle snapshot ENODATA in live timer
+	* Fix: relayd leak on error in consumer splice()
+	* Fix: protect close_write_flag with the rotation lock
+	* Man: clarify loglevel for JUL domain
+	* Fix: Define __STDC_LIMIT_MACROS to fix C++ builds
+	* Fix: bad indentation of lttng list in man page
+	* Fix: wrong data structure used in commit df41f83
+	* Fix: add missing optional dependency to babeltrace in README
+	* Fix: cleanup inconsistent use of spaces/tabs in README
+	* Fix: only set the new_streams flag if a viewer is attached
+	* Fix: lttng-live documentation
+	* Fix: remove dead code in relayd live code
+	* Fix: use after free error code path
+	* Fix: wrong sizeof argument in live viewer create session
+	* Fix: zero out the reply structure in viewer_connect
+	* Fix: write index only if fd is valid
+	* Fix: cleanup relayd on any I/O error in read subbuffer mmap
+	* Fix: memory/fd leak when cleaning streams in channel
+	* Fix: destroy streams in consumer del channel
+	* Fix: add missing urcu wfqueue headers in relayd
+	* Fix: in lttng_read/write deny count bigger than the possible returned value
+	* Fix: fd leak when closing metadata stream
+	* Fix: read subbuffer mmap/splice signedness issue
+	* Doc: live protocol clarifications
+	* Fix: remove unused create_viewer_session option
+	* Fix: don't sleep(1) on the consumer ready flag
+	* Fix: free viewer session in connection_free()
+	* Fix: add missing ctf trace delete before destroy
+	* Fix: don't delete ctf trace while in snapshot mode
+	* Fix: add flag to create session command and fix tests
+	* Fix: cleanup indef guards following the rename
+	* Fix: merge issue with thread quit pipe
+	* Fix: use uint32_t for metadata_flag in viewer's ABI
+	* Fix: check for new streams in all attached sessions
+	* Fix: Move static functions up in the code
+	* Fix: allow attach command to multiple sessions
+	* Fix: handle session hang up in get_new_streams
+	* Fix: force the client to create a viewer session before attaching
+	* Fix: Namespace lttng-viewer-abi
+	* Fix: relayd connection object refactor
+	* Fix: big relayd cleanup and refactor
+	* Fix: code refactoring of viewer streams in relayd
+	* Fix: handle new streams in live mode in relayd
+	* Fix: notify the viewer if new streams got added
+	* Fix: send the streams sent message after metadata
+	* Add extern C to the health-check header
+	* Fix: memory leak in unit test
+	* Man: add JUL DOMAIN section to lttng.1
+	* Fix: handle invalid URL passed to lttng_create_session_live
+	* Fix: add --jul-tcp-port to sessiond man page
+	* Fix: measure UST clock offset with best sample (v2)
+	* Fix: remove free in unit test not needed anymore
+	* Fix: relay create session for version before 2.4
+	* Fix: memory leak when UST events are enabled with exclusions
+
+2014-01-29 lttng-tools 2.4.0-rc4
+	* Fix: add -b, --background option
+	* health check tests: test relayd and consumerd
+	* tests: Add stop_lttng_relayd_nocheck
+	* Fix: add missing JUL loglevel handling
+	* relayd: add testpoints
+	* relayd: use same pipe for live and main
+	* Cleanup relayd live comment
+	* Fix: relayd: add LPOLLERR to events
+	* Fix: relayd: notify parent of readiness when all threads ready
+	* Fix: tests: start relayd in background mode (-b)
+	* lttng-relayd: implement background cmd line option
+	* sessiond: add missing testpoints
+	* tests: use --background for session daemon
+	* sessiond: add --background argument
+	* Use lib common daemonize
+	* Fix: sessiond: wait for health check readiness
+	* Fix: relayd: initialize lttcomm inet
+	* Consumer: add testpoints
+	* Fix: consumerd: HT init/teardown with program
+	* Cleanup: lttng-ctl-health comment
+	* Add daemonize() to libcommon
+	* Fix: tests: wait for consumerd to complete
+	* Fix: consumerd: use DBG rather than DBG2
+	* Fix: consumerd: only return readiness when health is ready
+	* Fix: consumerd should initialize lttcomm
+	* Fix health check: signal parent before exit testpoint
+	* Test health: add test_thread_ok
+	* health check: change --relayd-path arg to --relayd-path=arg
+	* relayd: add LTTNG_RELAYD_HEALTH env var
+	* Add sessiond/SESSIOND_ prefix to sessiond testpoints
+	* Fix: zero out data structure before using it
+	* Fix: delete metadata stream before destroying it
+	* Fix: report to client when snapshot will be empty
+
+2014-01-14 lttng-tools 2.4.0-rc3
+	* Fix: metadata stream should be always flagged as ready
+	* Fix: wrong check before destroying the viewer metadata stream
+	* Fix: race with the viewer and readiness of streams
+	* Fix: missing reset when listing UST fields for multiple PIDs
+	* Fix: filter: check binary op nesting
+	* Fix: relayd cmd line option for live port
+	* Fix: remove break in epoll loop of apps. thread
+	* Fix: wrong comment in snapshot public API
+	* Fix: clear the CTF traces when all the streams are closed
+
+2013-12-10 lttng-tools 2.4.0-rc2
+	* Fix: close connection on incompatible version check
+	* Fix: fields alignements in live protocol
+	* Tests: add regression test for Java JUL support
+	* Fix: possible use after free
+	* Fix: remove unused code in session daemon
+	* Fix: string format with unsigned value
+	* Fix: remove useless assert
+	* Fix: bad logical check of error codes
+	* Fix: resource leak in enable-event command
+	* Fix: unchecked return value in ust app delete
+	* Fix: dereference after null check in UST registry
+	* Fix: Resource leak in ust registry
+	* Fix: backported from urcu commit 92af1a30
+	* Tests: fix racy tests and misleading output messages
+	* Tests: fix bad argument parsing in test app
+	* Fix: remove assert on fd in the read/write layer
+	* Fix: missing lock/unlock when sending index
+	* Fix: update back the metadata len sent on failure
+	* Fix: don't fail on push metadata if no channel
+	* Rename LTTng index in CTF index
+	* Fix: set the enable all event command type
+	* Fix: implicit conversion of enum types in sessiond
+	* Fix: implicit conversion of enum types in consumer
+	* Fix: comparison of unsigned enum expression >= 0
+	* Fix: comparison of unsigned value agains < 0
+	* Fix: create a fast and a long UST snapshot test
+	* Tests: fix racy UST snapshot post mortem test
+	* Tests: remove useless sleep when spawning sessiond
+	* Add travis-ci configuration file
+	* Add libuuid as dependency in README
+	* Tests: add valid test cases to test_utils_expand_path
+	* Tests: add symlink tests for test_utils_expand_path
+	* Fix: utils_expand_path now works for paths that ends with '/.' or '/..'
+	* Fix: comment indentation
+	* Add missing copyright to utils.c
+	* Fix: use non block waitpid to lookup child state
+
+2013-11-15 lttng-tools 2.4.0-rc1
+	* Live streaming support
+	* Health check support in consumer and relayd
+	* Event exclusion support
+	* Java Util Logging support
+	* Multiple fixes! The diff is just too big to put here.
+
+2013-11-13 lttng-tools 2.3.1
+	* Fix: typo in --sig-parent help
+	* Fix: application SIGBUS when starting in parallel with sessiond
+	* Fix: missing LTTNG_OK return value for snapshot
+	* Fix: arguments in the wrong order for fd-limit
+	* Fix: Some corrections to the lttng man page
+	* Fix: recv creds comm should handle partial receive
+	* Fix: set app socket timeout just after accept()
+	* Fix typo in lttng snapshot add-output example of lttng(1)
+
+2013-09-03 lttng-tools 2.3.0
+	* Fix: remove periodical flush test from make check
+
+2013-08-30 lttng-tools 2.3.0-rc3
+	* Fix: hashtable: take split_count_order into account
+	* Fix: remove wrong doing asserts in sessiond
+	* Tests: fix periodical flush tests to stop app
+	* Fix: correctly close metadata on sessiond thread shutdown
+	* Fix: delete the trace directory used for the test
+	* Fix: remove bad check after epoll wait in consumer
+	* Fix: missing data pending signess conversion
+	* Fix: consumer data pending for empty streams
+	* Fix: hash table growth (for small tables) should be limited (v2)
+	* Fix: run_as gid/uid test should return result to parent
+	* Fix: missing check for metadata data pending
+	* Tests: change buffers UID test to PID
+	* Tests: fix health tests to use custom socket timeout
+	* Fix: remove health test from fast regression
+	* Use socket timeout value for tcp timeout if available
+	* Fix: set the health delta tcp timeout aware
+	* Get the maximum TCP timeout in sessiond
+	* Fix: don't report error if UST app dies
+	* Fix: support VPATH build for tests
+	* Improve comments after review
+	* Rename consumer socket fd to fd_ptr
+	* Lock consumer data before fd check during destroy
+	* Use single callsite for send/recv ops. for consumer in sessiond
+	* Use consumer fd reference in consumer socket obj
+	* Update bash completion
+	* Add --list-commands option to the snapshot command
+	* Reorder functions _lttng_cmd_* functions in bash completion
+	* Use parse_size_suffix in snapshot
+	* Fix: snapshot record error handling
+	* Fix: improve error message when UST support is disabled
+	* Fix: add missing short filter option in help
+	* Fix: typo in configure.ac for version check
+	* Fix: remove calibrate syscall option from code
+	* Fix: snapshot should fail if no successful snapshot is taken
+	* Fix: check UST float field mantissa length
+	* Fix: add UST context in the same order the user enabled them
+	* Introduce configure --with-lttng-system-rundir
+	* Add .dirstamp to gitignore file
+	* Fix: snapshot with multiple UIDs
+	* Prepare for automake deprecation of missing subdir-objects
+	* Fix: typos in --help and manpage
+	* Fix: add-context without -c apply to all channels
+	* Fix: channels can be _enabled_ after tracing is started, but not created
+	* Fix filter parser segmentation fault with bison 3.0
+	* Fix: typo in error msg
+	* Fix: imprecise error message about root sessiond/tracing group
+	* Fix: don't skip chmod if tracing group is not found
+	* Tracepoint probes don't need extern C
+	* Fix: Snapshot should be taken asap in core handler script
+	* Fix: reset out_fd_offset when we rotate the trace file
+	* Fix: LTTNG_ERR_NEED_ROOT_SESSIOND error message
+	* inet/inet6 sockets: apply timeout
+	* Implement timeout for connect ipv4/ipv6
+	* Introduce LTTNG_NETWORK_SOCKET_TIMEOUT env. var
+	* bash completion: add calls to _lttng_complete_sessions
+	* bash completion: Fix copy-paste typo
+	* Extras: Remove deprecated consumer commands in bash completion
+	* bash completion: Remove underscores in handler function names
+	* bash completion: Remove --event for add-context
+	* Update gitignore
+	* relayd: use version macros from build rather than scanf
+	* sessiond: use version major/minor from build for communication with relayd
+	* build: export major/minor/patchlevel numbers
+	* Fix: Dead code when checking return value from (ust_app|kernel)_snapshot_record
+	* Test: enable kernel events after start
+	* Fix: kernel ctl error codes are based on errno
+	* Fix: format string mismatch
+	* test: test_periodical_metadata_flush shrink timer period, kill app
+	* Fix: format string type mismatch
+	* snapshot howto: update text
+	* Add snapshot howto
+
+2013-07-19 lttng-tools 2.3.0-rc2
+	* Add core-handler README to dist tarball
+	* extras: core-handler: simplify, allow usage from tracing group
+	* Cleanup: add missing dot
+	* Fix: documentation: create name and options
+	* Add core dump snapshot handler script
+	* Fix: sym name len (kernel)
+	* Fix: tests: provide channel name when a non-default channel exists: per-pid
+	* Fix: tests: provide channel name when a non-default channel exists
+	* Fix: data pending race
+	* Fix hang in make check snapshots/test_ust
+	* Cleanup: ust-consumer: wrong indentation
+	* Fix: print dots while waiting for data availability
+	* Fix: remove sleep(1) added by "Fix: (slight UI change) refuse missing -c if non-default channel exists"
+	* Fix: (slight UI change) refuse missing -c if non-default channel exists
+	* Fix: push metadata on stop for per-UID buffers
+	* README: update python documentation
+	* Manpage: other layout cleanups
+	* Manpage: cleanup layout of view
+	* Manpage: cleanup layout of version
+	* Manpage: cleanup layout of stop
+	* Manpage: cleanup layout of start
+	* Manpage: cleanup layout of snapshot
+	* Manpage: cleanup layout of set-session
+	* Manpage: cleanup layout of list
+	* Manpage: cleanup layout of disable-event
+	* Manpage: cleanup layout of disable-channel
+	* Manpage: cleanup layout of enable-event
+	* Manpage: cleanup layout of enable-channel
+	* Manpage: cleanup layout of destroy
+	* Manpage: cleanup layout of create
+	* Manpage: cleanup layout of calibrate
+	* Manpage: cleanup layout of add-context
+	* Documentation: create --snapshot in manpage
+
+2013-07-17 lttng-tools 2.3.0-rc1
+	* Fix: add missing snapshot header to dist tarball
+	* Documentation: fix thread quit pipe comment
+	* Test for presence of bison and flex when building from git
+	* Test UST snapshot with large metadata
+	* Add test application with large metadata
+	* Cleanup: remove redundant assignment
+	* Fix: use per-uid buffer registry for UID buffer snapshots
+	* cmd.c: fix typos in snapshot commands
+	* Test snapshot per-uid post-mortem
+	* Remove leftover fprintf
+	* Fix deadlock: don't take channel lock in timer
+	* Introduce channel timer lock
+	* document lttng_ustconsumer_request_metadata locking constraints
+	* consumer: remove unused lttng_ustconsumer_push_metadata
+	* Document metadata_socket_lock nesting
+	* lttng_ustconsumer_recv_metadata does not need all those locks
+	* document metadata_switch_timer() deadlock
+	* Fix: add missing metadata socket lock
+	* document metadata_switch_timer() locking constraints
+	* consumer: remove timeout for UST metadata
+	* Introduce pipe for UST metadata cache and stream
+	* consumer: replace DBG2() instances by DBG()
+	* Introduce utils_create_pipe_cloexec_nonblock()
+	* ust consumer: data_pending check is endpoint active
+	* Fix: kernel consumer: data_pending check if endpoint active
+	* consumer: explicitly set endpoint status to active at init
+	* document consumer_metadata_cache_flushed use of consumer_data.lock
+	* consumer: introduce channel lock
+	* Merge branch 'master' of git://git.lttng.org/lttng-tools
+	* Fix: update lttng snapshot help output
+	* Man: fix part of snapshot documentation
+	* Fix: set tracefile size test with PID buffers
+	* Fix: Babelstats fail to parse output with no process name or pid
+	* Missing NULL pointer init in tap.c
+	* Fix: Unchecked asprintf/vasprintf return values
+	* Add snapshots test to fast regression
+	* Fix: kernel data unit test
+	* Fix: snapshot returned valid LTTNG_ERR code
+	* Add the number of snapshot taken to the output path
+	* Fix: RCU read side lock unbalanced
+	* Fix: zeroed snapshot output at init
+	* Support del-output with an output name
+	* Update man page with snapshot command
+	* New UST default buffers is now per UID
+	* Bump UST ABI major version for 2.3 release
+	* Add snapshot mode to lttng list session
+	* Fix: support temporary snapshot max size and name
+	* Support snapshot max-size limitation
+	* Tests: per-UID UST snapshot
+	* Fix: snapshot support for UST and kernel in same session
+	* Implement lttng create --snapshot command
+	* Add create session snapshot API in lttng-sessiond
+	* Add snapshot output init call that uses URIs
+	* Fix: consumer err_sock cloexec
+	* Callsite: add "ip" context
+	* Fix: possible consumer sockets double close on cleanup
+	* Automatically load kvm-x86 and kvm-x86-mmu probes.
+	* Fix: consumer: use uint64_t for all sessiond_id
+	* Fix: add gpl and lgpl files to tarball
+	* Fix: don't install libtap system wide
+	* Fix: close consumer sockets in sessiond cleanup
+	* Fix: set globally visible flag to kernel stream
+	* Fix: lttng: memory leak in snapshot record command
+	* Fix: kernel-consumer: double-close
+	* Fix: consumer: incorrect size zmalloc
+	* Fix: don't try to send stream to relayd if not in streaming
+	* Fix: relayd refcount updates for stream
+	* Fix: don't send error to sessiond on orderly shutdown
+	* Fix: bad pathname used when sending kernel stream to relayd
+	* Fix: add globally visible flag in stream
+	* Fix: destroy metadata stream on setup metadata error path
+	* Fix: send kernel stream to relayd only if needed
+	* Fix: destroy streams for kernel snapshot sessions as well
+	* Fix: close and destroy metadata stream after a kernel snapshot
+	* Fix: print errno message on connect() error
+	* Fix: possible double-close on stream out_fd
+	* Fix: session ID signess to uin64_t in sessiond
+	* Tests: fix validation trace path in kernel snapshot
+	* Tests: Add UST snapshot local and streaming
+	* Add UST snapshot support
+	* Fix: consumer_add_relayd_socket() report errors to sessiond
+	* Fix: add missing enum lttcomm_return_code entries
+	* Fix: UST per-UID channels persist across application teardown
+	* Fix: kernel snapshot metadata handling and error paths
+	* Fix: coding style and debug statement
+	* Fix: put subbuffer back in kernel snapshot error path
+	* Fix: overflow in uri_to_str_url
+	* Fix: detect the correct version of LTTng-UST
+	* Fix: sessiond: use uint64_t for all session ids
+	* Tests: add kernel snapshot streaming to root regression
+	* Tests: remove debug output from test
+	* Tests: Add kernel snapshot streaming
+	* Fix: use snapshot consumer output for kernel
+	* Fix: periodical flush check trace before stop
+	* Fix: consumer: 64-bit index for relayd rather than 32-bit (v2)
+	* Fix UST channel/stream output assignation
+	* Fix: send per-pid session id in channel creation
+	* Fix: consumer double-close on error
+	* Update URCU detection to correctly check for a 0.7 version
+	* Fix: snapshot path
+	* Add utils function to format current time as a string
+	* Fix: set hidden attribute to utils_* calls
+	* Fix: consumer handling of metadata for relayd
+	* Add kernel snapshot support
+	* Support flight recorder mode for a session
+	* Implement snapshot commands in lttng-sessiond
+	* Add snapshot command to lttng UI
+	* Initial import of the snapshot ABI/API in lttng-ctl
+	* Use the consumer stream API in consumer_del_stream()
+	* Add consumer-stream.c/.h in libconsumer
+	* Move multiple URLs parsing fct from lttng-ctl to uri.c
+	* Add a lttng-ctl header to facilitate code separation
+
+2013-06-25 lttng-tools 2.2.0 (National Catfish Day)
+	* STABLE VERSION
+	* Fix: if relayd is unreachable, disable consumer for the session
+	* Fix: possible infinite loop in disable ust event
+	* Fix: don't enable a channel if a session was already started
+	* Fix: bad type for the relayd id
+	* Fix: add debug statement in kernel flush metadata
+	* Fix: destroy default created channel if add-context fails
+	* Fix: clarify tracefile size/count in lttng.1 man
+	* Fix: don't stop a session that was not previously started
+	* Fix: update lttng.1 man page
+	* Fix: bad protocol flow between sessiond and consumerd
+	* Fix: kernel memory leak in error path
+
+2013-06-20 lttng-tools 2.2.0-rc3
+	* Multiple memory and fd leak fixes in sessiond and consumerd
+	* Test: stress test added to the repository but not in make check
+	* Using LTTNG_HOME environment variable if exists, with fallback to HOME
+	* Implement health check for app registration dispatch
+	* Implement health check for app notification thread
+	* Revert "Improve channel listing output format"
+	* Fix: use lttng pipe to send new stream to thread
+	* Change consumer_metadata_pipe to be a lttng_pipe
+	* Change consumer_data_pipe to be a lttng_pipe
+	* Add wrappers for pipe
+	* Add --version command-line option to lttng.
+	* Add --with-lttng-ust-prefix config option.
+	* Fixes from coverity scan.
+	* Stability fixes
+	* RCU hash table are now destroyed in a seperate thread in sessiond
+
+2013-05-09 lttng-tools 2.2.0-rc2
+	* Fix: split UST per UID/PID default values
+	* Fix: don't start the relayd with a wrong --output dir
+	* Fix: Erroneous automatic session name when streaming
+	* Fix: wrong data port when listing session's URI
+	* Fix: don't create a channel on an enable channel
+	* Tests: Add missing test_utils_parse_size_suffix to unit tests
+	* Fix: print lttng strerror on enable event with filter
+	* Fix: change relayd protocol version to 2.2
+	* Fix: reset current size for tracefile rotation
+	* Fix: remove extra -I for python bindings
+	* lttng UI: round up trace file size to subbuf size if needed
+	* Fix lttng UI: fix arg parsing, round size to next power of two
+	* Fix: check errors in lttng command argument values
+	* Implement get_count_order in lttng utils
+	* lttng cli: Accept human readable sizes for --subbuf-size
+	* Unit tests: don't rebuild units under test
+	* Fix: consumerd metadata channel/cache/timer races
+	* Fix: consumerd channel destroy race
+	* Cleanup: document RCU read-side lock better
+	* consumer relayd interaction: fix segfaults
+	* Fix: change order of fd get to fix error path
+	* Fix: fd leak when creating UST metadata channel
+	* Fix: fd leak on error
+	* Fix consumerd fd leak
+	* Fix RCU-related hangs: incorrect lttng_ht_destroy use
+	* rculfhash: check for callers from RCU read-side C.S.
+	* Fix: don't call hash table destroy under rcu read-side c.s.
+	* Documentation: import updated comments from urcu
+	* Fix: segfault in buffer_reg_channel_destroy()
+	* Fix: add missing goto error in UST consumer
+	* Fix: no need to use run_as_open in the relayd
+	* Fix: typo in enable-channel man and help
+	* Fix: add some missing hidden attribute
+	* Fix: per-uid buffers should only be flushed once on stop
+	* Cleanup: Use own mutex within timer setup/teardown
+	* Fix: channel management thread should hold a refcount
+	* Fix: move metadata cache setup before ownership passing
+	* Fix: consumer metadata switch timer error handling
+	* Fix: set ptr to NULL to suppress old gcc warnings
+	* Fix: linking order of libraries
+	* Fix: multiple type mismatch in debug statement
+	* Fix: remove mention of trace directory layout in quickstart doc
+	* Fix: remove unused path variables from session obj
+	* Fix: update lttng.1 man and enable-channel help with read timer size
+	* Fix: use channel per domain default values
+	* Fix: typos in the code base
+	* Fix: deny multiple event types with enable-event
+	* Fix: deny the same port for data and control URL
+	* Fix: reset consumer destination when changing URIs
+	* Fix: don't allow different control and data destination
+	* Fix: typos in error strings
+	* Improve channel listing output format
+	* Fix: enable-channel accepts mismatched option
+	* Fix: validate buffer type for UST channel creation
+
+2013-03-28 lttng-tools 2.2.0-rc1
+	* Add UST per UID buffers support
+	* UST metadata generation are created on the sessiond side
+	* Move LTTng-UST buffer ownership from application to consumer
+	* Add a UST registry of events and channel in the sessiond
+	* UST periodical metadata flush
+	* Refactor tests to use prove and tap
+	* Support for trace file rotation for the relayd and on disk
+	* Support per-context filtering
+	* Add channel wakeup fd to monitor close
+	* Deprecate enable/disable-consumer
+	* Multiple fixes and memory leak fix.
+
+2012-12-20 lttng-tools 2.1.0 (13th Baktun)
+	* STABLE VERSION 2.1.0-stable - "Basse Messe"
+	* Multiple minor fixes
+	* Multiple memory and fd leaks
+	* Fix: Off by one in seq num for data pending command
+	* Fix: flag metadata stream on quiescent control cmd
+	* Fix: prioritize control socket communication in relayd
+	* Fix: poll and epoll fd set reallocation
+	* Fix: add missing goto pending if data is inflight
+	* Fix: remove ua_sess->started assert on stop trace
+	* Set classes of traffic in high_throughput_limit
+	* Fix: use the poll wait ret value when iterating on fd(s)
+	* Fix: force the poll() return value to be nb_fd
+	* Fix: Wrong check of node when cleaning up ht
+	* Fix: set started flag of ust app after ustctl
+	* Fix: memory leak in add relayd socket error path
+	* Fix: add packed attribute to filter structure
+	* Fix: Add missing health code update for consumer command
+	* Add LTTNG_PACKED macro
+	* Fix data pending for inflight streaming
+	* Map session id of relayd and sessiond in consumer
+	* Add the relayd create session command
+	* Make the consumer sends a ACK after each command
+	* Remove MSG_WAITALL on every recvmsg() socket typ
+	* Fix: Add missing relayd ht cleanup and ht destroy
+	* Fix: Relayd and sessiond version check
+	* Fix: protect consumer_find_channel with rcu locking
+	* Fix: don't steal key when adding a metadata stream
+	* Consumer hold stream mutex for add stream
+
+2012-12-03 lttng-tools 2.1.0-rc9
+	* Fix: set the stream ht static in consumer file
+	* Update sessiond man page with new env var
+	* Update lttng.1 man page
+	* Fix: enable-consumer for all domains missing dir
+	* Fix: Add missing fct prototypes when disabling UST
+	* Fix a typo in lttng-probe-module name
+	* Assign values to enum lttcomm_sessiond_command
+	* Fix: run health test only if root
+	* Clarify empty string/NULL filter errors
+	* Fix: add missing padding for UST filter
+
+2012-11-22 lttng-tools 2.1.0-rc8
+	* Fix: Uninit. variable in lttng view
+	* Add already enabled UST event error code
+	* lttng.h API update: set filter becomes enable event with filter
+	* Change the UST event hash table match function
+	* Pass lttng_event struct to the set_filter API call
+	* Adding context to an event is no longer possible
+	* Add UST overlap tests
+	* Add filter sequence number to UST
+	* Fix: Typo from a previous patch in an assert()
+	* Fix: Warn if session is running with lttng view
+	* Fix: Add bash requirement to README for make check
+	* Fix: add the notion of domain to lttng.1 man page
+	* Enable additional kernel probes
+	* Update CodingStyle
+	* Use the new functions for default subbuf sizes
+	* Add default subbuf sizes getter functions
+	* Add max() and min() macro in common
+
+2012-11-13 lttng-tools 2.1.0-rc7
+	* Fix: Add pointer check when freeing poll events
+	* Fix: FD leak on thread error
+	* Fix: Wrong fd used by kernel_wait_quiescent
+	* Support new lttng-ust error code
+	* Fix: Don't set filter if enable event fails
+	* Fix: Wrong data port when listing session
+	* Fix: Enable event after start command
+	* Fix: Teardown of thread_manage_clients on failure of listen/create_poll
+	* Add a timeout to UST application socket
+	* Fix: Consumerd error socket connect race
+	* Fix: Set CLOEXEC flag on every created sockets
+	* Remove consumer poll timeout in data thread
+	* Fix: RCU hash table seed
+	* Fix: Do not install health tests helper libraries
+	* Fix: Create default channel on add-context if none
+	* Support new liblttng-ust-ctl error code
+	* Fix: Add EPIPE error handling on buffer splice
+	* Fix: Channel creation error return code was not set
+	* Fix: Wrong poll events on UST application socket
+	* Fix: Remove dependency to urcu-cds in tools tests
+	* Fix: Missing librt dependency in configure check for lttng-ust-ctl
+	* Fix: Don't append datetime to default session name
+	* Fix: Deny session creation name 'auto'
+	* Fix: Add space for stream name CPU number
+	* Fix: Add output option to enable-channel command
+
+2012-11-02 lttng-tools 2.1.0-rc6
+	* Tests: Add filtering tests for uncovered cases
+	* Fix: Sync issue when deleting a data stream
+	* Rename data_available to data_pending
+	* Fix: consumer health state
+	* Fix: Add the ACCOUNTING flag to ht creation and set bucket size to 0
+	* Fix: Bad return error code handling
+	* Fix: Use after free() of the rundir string
+	* Fix: Cleanup UST app session on ustctl create session error
+	* Fix: add missing pthread_join in sessiond
+	* Fix: free running directory string
+	* Fix: UST app clean list node usage
+	* Add liblttng-ctl destructor to cleanup memory
+	* Fix: Cleanup URIs on teardown
+	* Fix: relayd memleaks
+	* Fix: Memory leaks of allocated URIs
+	* Fix: consumer output memory leak on creation
+	* Fix: missing addrlen initialization before accept(2)
+	* Fix: relayd trace file padding memleak
+	* Fix: Remove useless consumer subdir string concatenation
+	* Fix: lttng create allocated path memleak
+	* Fix: Cppcheck memleakOnRealloc mistake
+	* Fix: Synchronization issue for data available command
+	* Fix: consumer relayd cleanup on disconnect
+	* Fix: Handle the unary bitwise negation operator (~) in the XML printer
+	* Fix: Possible memory leaks when creating filter IR root node
+	* Fix: Delete stream on write error in consumer
+	* Fix: Error handling when sending relayd sockets to consumer
+	* Add stream lock comment for nesting
+	* Fix: Mutex and RCU lock nesting in consumer
+	* Fix: Uninitialized ret code
+	* Fix: Remove bad condition and fix overflow issue
+	* Fix: consumerd pthread error flow
+	* Fix: Set a single return point and mutex unlock
+	* Fix: Remove useless NULL and zero assignment
+	* Fix: segfault on create session with two URLs
+
+2012-10-22 lttng-tools 2.1.0-rc5
+	* Fix: Remove network stream ID ABI calls
+	* Tests: Add filtering tests
+	* Wait for data availability when stopping a session
+	* Relayd data available command support
+	* Lib lttng-ctl data available command support
+	* Consumer daemon data available command support
+	* Add data structure for the data available command
+	* Change the metadata hash table node
+	* Make stream hash tables global to the consumer
+	* Move add data stream to the data thread
+	* Rename consumer threads and spawn them in daemon
+	* Fix: relayd close stream command was not working
+	* Fix: Relayd and consumerd socket leaks
+	* Fix: Missing -ENODATA handling in the consumer
+	* Fix: Empty metadata buffer(s) on HUP|ERR
+	* ABI with support for compat 32/64 bits
+	* Fix: Stream allocation and insertion consistency
+	* Fix: output number of bytes written by relayd
+	* Add hash table argument to helper functions
+	* Fix: Add missing call rcu and read side lock
+	* Tests: Fix LD_PRELOAD library lookup path for health tests
+	* Fix: Add arbitrary wait period for kernel streaming test
+	* Fix coding style and add/change debug statements
+	* Fix: Build out of src tree
+	* Tests: Add health check tests to configure
+	* Tests: Add health check thread stall test
+	* Tests: Add health check thread exit test
+	* Tests: Add a health check utility program
+	* Add testpoints in lttng-sessiond for each threads
+	* New testpoint mechanism to instrument binaries for testing
+	* Fix: off-by-one in comm proto between lttng-ctl and sessiond
+	* Fix: Metadata stream leak when received in consumer
+	* Fix: consumer_allocate_stream error handling
+	* Fix: consumer should await for initial streams
+	* Fix: Missing rcu read side lock in consumer
+
+2012-09-26 lttng-tools 2.1.0-rc4
+	* Fix: Change sempahore to pthread conditions
+	* Fix: relayd relay_send_version: handle sscanf return code
+	* Fix relayd: NULL ptr deref
+	* Fix: relayd: possible NULL ptr deref, memory leak, accept fd leak
+	* Tests: add print bytecode to filter grammar test
+	* Cleanup: assign values to bytecode opcodes
+	* Fix: Filter: Fix allocation length error
+	* Fix: Filter: add missing ast free
+	* Tests: Add high throughput with bandwidth limits test
+	* Fix: Returned code when listing kernel channel
+	* Tests: Rename helper functions to have consistent names
+	* Tests: Cleanup redundant code and use printing helper functions
+	* Tests: Add helper functions for printing status and banner
+	* Tests: Add a check for color support when printing status
+	* Fix: Lib lttng-ctl on error returns lttng code
+	* Fix: lttng_set_event_filter() was returning bad error code
+	* Fix: printing [no write] on lttng list -uf
+	* Fix: Disable event on filter error with lttng
+	* Fix: Wrong returned error code on UST enable event
+	* Add consumer commands to lttng.1 man page
+	* Add lttng_health_check(3) man page
+	* Fix: Remove LPOLLNVAL from consumer metadata revents
+	* Fix: Mismatch of field name between ust and tools
+	* Add the written value when listing fields
+	* Fix: Consumer return value check after mmap/splice
+	* Don't send the subbuffer padding for streaming
+	* Fix: Returned error code in consumer on read buffer
+
+2012-09-12 lttng-tools 2.1.0-rc3
+	* Fix: Relayd fix ret value when adding a connection
+	* Add new thread in consumer for metadata handling
+	* Fix: consumer recv command error path
+	* Fix filter: fix recent regressions
+	* Update lttng-ust-abi.h from upstream lttng-ust
+	* Fix: Accept bytecode of length 65536 bytes
+	* Fix: Generation of bytecode longer than 32768 bytes fails
+	* Fix: Filter bytecode alloc buffer size must be a power of 2
+	* Add lttng-ctl SWIG python bindings
+	* Add C++ support to API header files
+	* Librarify filter in liblttng-ctl and hide symbols
+	* Set hidden visibility for calls used in lttng-ctl
+	* Notify the user if a filter is already enabled
+	* Install lttng-error.h and include it in lttng.h
+	* Add lttng-error.h containing every API err. code
+	* Fix: missing hostname context
+
+2012-08-22 lttng-tools 2.1.0-rc2
+	* Fix: put back 2.0 output text for lttng create cmd
+	* Fix: remove set subdir call that uses bad ptr
+	* Filter: Handle the unary bitwise not operator (~) with an unsupported
+	* Fix: missing mutex unlock on register consumer err
+	* Remove underscore from ifndef of lttng.h
+	* Remove unused define in lttng.h
+	* Standardize lttng command line usage text
+	* Merge duplicate code in consumer for destroy relayd
+	* Merge duplicate code in consumer for add relayd
+	* Fix: Possible buffer overflows in strncat() usage
+	* Move code out of main.c and fix some issues
+
+2012-08-17 lttng-tools 2.1.0-rc1
+	* Feature: Network Streaming
+	* Add the lttng-relayd binary for network streaming
+	* Support user space tracer filtering
+	* Multiple fixes
+
+2012-04-19 lttng-tools 2.0.1
+	* Fix: test script for kernel module validation
+	* Fix: report error to client on consumerd error
+	* Fix: add missing ht_destroy at consumer teardown
+	* Fix: consumer fd recv thread should write into non-blocking pipe
+	* Fix: work-around glibc __nptl_setxid vs clone hang
+	* Fix: consumer fd recv poll should be sensitive to POLLPRI too
+	* Fix consumer lttng_consumer_poll_socket poll revents check bug
+	* Fix: increase consumer open files limit
+	* Update README: document dep on modprobe for kernel tracing
+	* Fix: wait for sessiond to stop in tests
+	* Fix: remove unused return variable
+	* Don't report back error on syscalls fail for -a -k
+	* Fix: destroy context hash table being NULL
+	* Fix: make lttng expand path for trace output opt
+	* Fix: return value signedness
+	* Fix: man page environment variable name error
+	* Fix: check return value on getenv USER
+
+2012-03-20 lttng-tools 2.0.0
+	* Fist STABLE version
+	* Add version name: Annedd'ale
+
+2012-03-20 lttng-tools 2.0.0-rc4
+	* Fix: add small detail to enable-channel man page
+	* Fix: warned of arbitrary time for ust-nprocesses test
+	* Fix. add limitation to man page
+	* Fix: minor changes to lttng.1
+	* Fix: add exit values to lttng.1 man page
+	* Fix: add delay before validating apps in test nproc
+	* Fix: error handling in lttng enable-event
+	* Fix: document structure init. to 0 in lttng.h
+	* Fix: uninitialized variable
+	* Keep track of FD used for UST applications (v2)
+	* Fix: lttng view, error message and exit code
+	* Small fixes to lttng man pages (v2)
+	* Fix: handle EINTR for sendmsg syscall
+	* Fix: lttng UI exit value and error message
+	* Fix: session lock use after free
+	* Fix kernel_list_events memleaks
+	* Fix debug message use uninitialized variable
+	* Fix: trace_ust_destroy_metadata should check for NULL pointer
+	* Fix: various memleaks
+	* Fix: hash table allocation out of order on error
+	* fix: lttng_ht_destroy memleak
+
+2012-03-16 lttng-tools 2.0.0-rc3
+	* Fix: missing headers for make dist
+	* Fix: install lttng-consumerd in lib/lttng/libexec/
+	* Fix: Redefine MAP_STACK to 0 if not defined by the architecture
+	* Fix: consumer CPU hotplug support
+	* Fix: double PID registration race
+	* Make libcompat independent not to confuse automake
+	* Clarify the license of lttng-ust-abi.h
+	* Fix: License header
+	* Fix: wrong return value on consumer socket creation
+	* Fix: test for UST invalid channel parameters at channel creation
+	* Fix: recvmsg should handle EINTR
+	* Fix: error.h non-static variables for liblttng-ctl
+	* Fix: missing _GNU_SOURCE define
+	* Fix: improve need root for kernel tracing error message
+	* Fix: start/stop lttng message error
+
+2012-03-02 lttng-tools 2.0.0-rc2
+	* Fix: meaningful error message
+	* Fix: UST consumer need to iterate on streams, just change their key
+	* Fix: add missing rcu read lock across RCU HT iteration
+	* Fix: kernel session closes fd 0 after create
+	* Fix: sendmsg EPIPE should be quiet by default (expected)
+	* Fix: thread_registration_apps should set its local sock to -1 when passing it
+	* Fix: clock -> sock typo
+	* Fix: consumer race: should allow reuse of FD key
+	* Fix: Use PERROR all across lttng-tools, never make it quiet
+	* Fix: test all close return values in sessiond
+	* Fix: All perror turned into PERROR to show file and line number
+	* Fix: large audit of close() use in sessiond main.c
+	* Fix: main.c client/apps sockets and kernel_trace_fd close(0)
+	* Fix: incorrect close of fd 0 for syscall kernel event destroy
+	* Fix: sessiond has incorrect missing 0 value in FD check
+	* Fix: sessiond app listening: use posix-compliant poll flags
+	* Fix: consumer printf type should match ssize_t (%zd)
+	* Fix: make ust consumer posix compliant for poll flags
+	* Fix security permission on lttng run directory
+	* Fix: Display right loglevel_type in error message
+	* Fix documentation in lttng.h
+	* Fix: lttng UST and kernel consumer: fix ret vs errno mixup
+	* Fix: restart consumerd and sessiond when interrupted in poll()
+	* Fix: handling bad channel when sending to consumer
+	* Fix useless variable
+	* Fix add-context returned error
+	* fix: add missing break in command handling
+	* fix: command handling: do not check domain for commands not requiring domain
+	* fix: if tracing group does not exist, do not report a client error
+	* Fix: run_as error handling
+	* Fix usage note on -a
+	* Revert FreeBSD compatibility layer
+	* Fix: documented number of subbuffers is incorrect
+	* Document that num-subbuf and subbuf-size need to be power of 2
+	* Merge branch 'master' of git://git.lttng.org/lttng-tools
+
+2012-02-20 lttng-tools 2.0.0-rc1
+	* Fix lttcomm_close_unix_sock to actually close the socket
+	* lttng-sessiond: Set group permissions explicitly
+
+2012-02-16 lttng-tools 2.0-pre23
+	* configure.ac: Fix consumerd64-libdir typo
+	* Fix existing session daemon check
+	* Fix missing session locks
+	* Fix return value on ust app session create
+	* Fix double start/stop trace
+	* Fix ust app session started state on start trace
+	* modprobe statedump, signal and timer lttng module
+	* Fix hyphens in man pages
+
+2012-02-14 lttng-tools 2.0-pre22
+	* Add the bash-completion file to the dist tarball
+	* Add the LICENSE file too
+	* Package used for the Ubuntu LTS (feature freeze)
+
+2012-02-13 lttng-tools 2.0-pre21
+	* Fix licensing for hashtable/utils.c
+	* Print loglevel value in list -u
+	* Remove "<all> from MSG() when no loglevel is selected
+	* Initial import of man lttng.1 and lttng-sessiond.8
+	* Fix memory leak  master
+
+2012-02-09 lttng-tools 2.0-pre20
+	* New lttng view command
+	* Multiple loglevel fixes
+	* Fix list command
+	* Fix session syscall listing
+	* Multiple fixes across the code base
+
+2012-02-02 lttng-tools 2.0-pre19
+	* Update lttng ust ABI/API copy
+	* Implement UST calibrate and change default
+	* Add MSG_WAITALL to recvmsg of sessiond-comm
+	* Check kernel version for tests
+	* Add a '--list-options' option to each command.
+	* First import of extras/ with lttng bash completion
+	* Remove default defines from lttng.h
+	* Fix lttng sessiond spawn wait race
+	* Add CMD_WARNING error code
+	* Fix context mapping for UST and kernel
+	* Add kernel work-around for boot_id
+	* Rewrites lttng-ctl's set_session_daemon_path
+	* Fix memory lean in all lttng cli commands
+	* Update loglevel ABI
+	* Add padding to all ABIs for future development.
+	* Improve error handling of lttng cli
+	* Multiple fixes across the code base (nothing critical)
+
+2012-01-23 lttng-tools 2.0-pre18
+	* Complete change of the source directory tree
+	* Move compat to common and create an internal lib
+	* Rename lttngerr.h to error.h
+	* Add kernel module version validation
+	* Add UST version validation
+	* Change SIGCHLD to SIGUSR1 when lttng waiting on sessiond
+	* Fix off-by-one and double list size instead of steady increment
+
+2012-01-19 lttng-tools 2.0-pre17
+	* Add and support the new hash table library
+	* Add lttng hash table support to liblttng-consumer
+	* RCU support for consumer's hash tables
+	* UST consumer close shm fd after mapping it
+	* Remove CLONE_VM flag for runas making gdb debugging impossible
+	* Make MSG() print on stdout instead of stderr
+	* Don't init kernel tracer if not root (UID=0)
+	* Multiple fixes found when reaching max. number of open files
+	* Add some UST tests
+	* Multiple segfaults and assert error fixed
+
+2011-12-23 lttng-tools 2.0-pre16
+	* Per-user lttng-sessiond now fully functionnal
+	* Fix nested double usage of hashtable iterators
+	* Support creds passing between lttng and sessiond
+	* Rename sessiond internal "uid" fields to "id"
+	* Create all trace directories and files with client user credentials
+	* Create output directory at session creation command
+	* Only allow the user or group owning the session (or root) to control a session
+	* Add disable kernel tracing option to sessiond
+
+2011-12-13 lttng-tools 2.0-pre15
+	* (MAJOR) User-space tracing support for global domain (lttng-ust 2.0)
+	* UST consumer 32/64 bit support
+	* Multiple bug fixes
+	* Multiple segfault, race and double lock fixes
+	* API change for lttng_list_domains, lttng_start/stop and lttng_destroy
+	* UST loglevel support
+	* ABIs now support 256 char event names
+	* Dependency on libpopt >= 1.13
+	* Dependency on URCU >= 0.6.7
+	* Rename kernel-ctl.c/.h to kernel.c/.h
+	* Change malloc to zmalloc in lttng-sessiond code
+	* RCU hashtable support for all UST data structure
+	* New libconsumer for UST, kernel and one generic
+	* Change "--all" option from lttng command line
+	* Remove function entry option to discourage its use
+
+2011-09-30 lttng-tools 2.0-pre14
+	* Syscall tracing support
+	* Multiple bug fixes (nothing critical)
+	* Add userspace RCU hash table to tree for dev
+	* Update UST ABI
+	* Fix epoll that did not handle EINTR
+	* Liburcu >= 0.6.5 is needed from this release
+	* Enabling all events also enable syscall tracing
+	* Debug messages are now on stderr
+	* Add basic data structure for UST support but not ready yet.
+
+2011-08-25 lttng-tools 2.0-pre13
+	* Memory leaks fixes and double lock list
+	* Add UST registration with sychronisation
+	* Use poll/epoll compatibility layer for the sessiond
+	* Major code cleanup of ltt-sessiond/main.c
+	* Increase listen() connexion limit
+	* Fix bad enable-channel command
+	* Rename trace.c/.h to trace-kernel
+	* Multiple fixes on the poll management with the new epoll API
+
+2011-08-25 lttng-tools 2.0-pre12
+	* Multiple fixes
+	* Fix kconsumerd handling custom channel output
+	* Add lttng_register_consumer to register a custom consumer
+	* Add multiples tests of the session daemon
+	* Default kernel channel size/number changed
+	* Support for UST application registration
+	* Import LTTng UST 2.0 ABI
+	* Send data to kconsumerd before tracing start
+	* Export API of lib kernel consumer (liblttngkconsumerd)
+
+2011-08-12 lttng-tools 2.0-pre11
+	* New lttng API using the lttng_handle
+	* Multiple fixes of kernel consumer
+	* Register the consuming function and add a library context
+	* Kernel consumer fix mmap/munmap
+	* lttng-sessiond-comm header has been privatize
+	* Kernel traces are written in the kernel/ directory
+	* Add underscore to enable-channel command options
+
+2011-07-29 lttng-tools 2.0-pre6
+	* Fix enable multiple events
+	* Add function entry feature
+
+2011-07-28 lttng-tools 2.0-pre5
 	* Fix Add context command
 	* Fix auto session path creation
 	* Fix bad strncmp at channel creation