X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=ChangeLog;h=c0e62c857d2a9e18dc14d943947d348125492026;hp=3d92137bda3b77703bb794805e7f54a5ce7d07a3;hb=48c77bf7ccc9a88c229432a6db4871940914bedb;hpb=f150e760ff0bbd9dbf0dab1b22bb2d5692a77a67

diff --git a/ChangeLog b/ChangeLog
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+++ b/ChangeLog
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+2021-04-23 lttng-tools 2.13.0-rc1 (National Take a Chance (on me ?) Day)
+	* Set the 2.13 release codename and description
+	* Tests: fix: test_notification_notifier_discarded_count missing renames
+	* Docs: lttng-add-trigger and lttng-remove-trigger refer to owner-id
+	* Fix: tests: test case using old condition syntax
+	* lttng-add-trigger(1): clarify the `--rate-policy` documentation
+	* Update some manual pages for LTTng-tools 2.13
+	* .gitignore: add register-some-triggers trigger test utility
+	* Fix: event-expr.c: use-after-free and NULL ptr deref in error path
+	* Adapt to namespaced liblttng-ust-ctl symbols
+	* Cleanup: ust-app.c: Dead assignment
+	* Fix: tests: gen-ust-events-ns: Uninitialized argument value
+	* Fix: consumerd: strlen called on uninitialized path
+	* Fix: sessiond: notification: leak of condition on duplicate subscription
+	* Fix: action executor: deadlock on session_list_lock
+	* lttng add-trigger: replace --exclude-names with --exclude-name
+	* sessiond: refcount `ust_error_accounting_entry`
+	* action list: missing renames from previous name "group"
+	* Fix: error-query: uninitialized action_index value
+	* Fix: sessiond: leak of config_path on duplicate --config option
+	* Fix: tests: base notification client: unchecked sscanf return value
+	* Fix: argpar: Error out when passing an argument to long option that takes no argument
+	* Clean-up: sessiond: identation fix
+	* Fix: tests: health thread stall: only stop consumerd when required
+	* Fix: tests: notification: update kernel testcase count
+	* Fix: tests: integer truncation warning on 32-bit platforms
+	* Fix: sessiond: triggers: failure to insert trigger is fatal
+	* sessiond: notification-thread: switch logging to debug on GET_TRIGGER
+	* Tests: add trigger name/unnamed backwards compatibility test
+	* lttng-ctl: separate support of named/unnamed trigger registration
+	* sessiond: add support for anonymous triggers
+	* Fix: lttng-ctl: assertion failure during unregistration of trigger
+	* Rename group action files to list files
+	* Rename action group to action list
+	* Rename on-event to event-rule-matches
+	* Move on-event*.* to event-rule-matches*.*
+	* Introduce emission site for syscall event rule
+	* lttng list-triggers: handle all condition types
+	* Fix: sessiond: trigger with condition not requiring event notifier cannot be listed
+	* lttng add-trigger: remove support for conditions other than event-rule-matches
+	* lttng {add,list,remove}-trigger: rename user id to owner uid
+	* lttng add-trigger: replace log level options with --log-level
+	* lttng add-trigger: replace event rule type options with --type
+	* lttng add-trigger: replace domain options with single --domain
+	* lttng add-trigger: some updates to event rule to new syntax
+	* lttng add-trigger: rename on-event condition to event-rule-matches
+	* lttng {add,list}-triggers: use `name` instead of `id`
+	* lttng add-trigger: parse condition / action name as option arguments
+	* Add .editorconfig file
+	* Allow users to create trigger with their uid
+	* lttng: list-triggers: implement listing of SDT userspace-probe
+	* Tests: cleanup: rework trigger listing tests
+	* Tests: event-notifier: multi UID error accounting support
+	* Fix: tests: quote variable in case it's not set
+	* ust: error accounting: don't print error messages if app is dead
+	* sessiond: split event notifier error counter CLI options
+	* Clean-up: sessiond: error-query: remove unneeded goto
+	* Fix: sessiond: action-executor: uninitialized session_name used in logging
+	* Clean-up: lttng: add-trigger: silence coverity warning
+	* Fix: error-query: leak of trigger on malformed error-query comm buffer
+	* Fix: error-query: leak of trigger on allocation error
+	* Clean-up: tests: notification-client: unused assignment
+	* Fix: relayd: leak of config_path on duplicate --config option
+	* Fix: lttng-ctl: trigger leak on failure to deserialize evaluation
+	* Fix: tests: discarded notifications: missing `list-triggers` call
+	* Tests: fix: notifier discarded count: typo results in failure
+	* Cleanup: tests: test_userspace_probe: remove extra whitespaces
+	* Cleanup: add `lttng_ht_type_str()`
+	* Fix: lttng-ctl: appending to dynamic buffer invalidates its data member
+	* Fix: ust-app: error counter index never set
+	* Fix: lttng: -Wshadow error in cmd_snapshot
+	* Fix: python: -Wshadow warning
+	* Fix: kernel consumerd: use of uninitialized variable
+	* Clean-up: sessiond: cmd: abort() on invalid query target
+	* Clean-up: sessiond: cmd: fix bogus -Wmaybe-uninitialized
+	* Remove error count property of lttng_condition_on_event
+	* lttng: list-triggers: retrieve trigger errors using error queries
+	* sessiond: implement EXECUTE_ERROR_QUERY command
+	* lttng-ctl: Add error query interface
+	* add-trigger: rename --fire-* to --rate-policy=*:value
+	* Rename firing policy to rate policy
+	* action executor: use an execution context to validate enqueued action before execution
+	* trigger/action executor: move trigger registration state change to client thread
+	* notification-thread: add `GET_TRIGGER` command
+	* action executor: execute action only if the associated trigger is registered
+	* trigger: keep state of if a trigger is currently registered
+	* Tests: fix: leak of notification-client arguments
+	* tests: trigger action firing policy
+	* Move firing policy from lttng_trigger to lttng_action
+	* action-executor: consider action firing policy on action execution
+	* test: unit: snapshot session action
+	* Implement firing policy for the snapshot session action
+	* tests: units: action: stop session
+	* Implement firing policy for stop session action
+	* tests: unit: action: start_session
+	* Implement firing policy for the start session action
+	* tests: unit: action: rotate_session
+	* Implement firing policy for the rotate session action
+	* tests: unit: action: notify
+	* Implement firing policy for the notify action
+	* Move test_action to its own file
+	* tests: unit: add firing policy tests
+	* Introduce firing policy object
+	* Fix: test: start-stop trigger: test execution is invalid
+	* Fix: sessiond: session destroy hang in per-uid when context cannot be added
+	* Fix: backward relayd: path contains a leading "ust" folder
+	* Fix: lttng_destroy_session_no_wait: return 0 on success
+	* Fix: notification: client with uid != trigger uid assert on gid check
+	* event-rule: Normalize pattern for syscall and tracepoint
+	* config: accept "0" and "1" as XML boolean values
+	* config: fix typo in error message
+	* Cleanup: reuse `lttng_action_type_string()` to print action names
+	* Tests: array expressions without contant index are invalid
+	* Fix: validate that array expression contains constant
+	* Fix: test: base-path tests are not run
+	* Fix: tests: handling of subprocesses on bail out
+	* Fix: sessiond: fix memory leak in receive_lttng_trigger
+	* Fix: filter: memory leak in filter_parser_ctx
+	* configure: enable -Wshadow diagnostic
+	* Clean-up: tests: fix -Wshadow error in run_active_set_combination
+	* Clean-up: lttng-session: fix -Wshadow error in unregister_all_triggers
+	* Clean-up: lttng-sessiond: fix -Wshadow error in check_session_rotation_pending
+	* Fix: sessiond: fix -Wshadow error in save.c
+	* Clean-up: lttng-relayd: prepend `the_` to global variable names tcp_keep_alive.c
+	* Clean-up: lttng-crash: prepend `the_` to input_path global variable
+	* Clean-up: lttng: fix -Wshadow error in run_command_string
+	* Clean-up: lttng: prepend `the_` to global variables in load.c
+	* Clean-up: lttng: fix -Wshadow error in cmd_snapshot
+	* Clean-up: lttng: fix -Wshadow error in lttng_session_descriptor
+	* Clean-up: lttng: prepend `the_` to global variables in list.c
+	* Clean-up: liblttng-ctl: fix two trivial -Wshadow errors
+	* Clean-up: liblttng-ctl: fix -Wshadow error in lttng_enable_event_with_exclusions
+	* Clean-up: common: fix -Wshadow error in lttng_trace_chunk_set_as_owner
+	* Clean-up: common: fix -Wshadow errors in event-field-value.c
+	* Clean-up: common: fix -Wshadow error in lttng_daemonize
+	* Clean-up: consumer: prepend `the_` to global variable
+	* Clean-up: consumer: fix -Wshadow error in lttng_consumer_trace_chunk_exists
+	* Clean-up: consumer: fix -Wshadow error in lttng_consumer_rotate_channel
+	* Clean-up: config: fix -Wshadow error in config_load_session
+	* Clean-up: ust-consumer: fix -Wshadow issues in lttng_ustconsumer_recv_cmd
+	* Clean-up: kernel-consumer: fix -Wshadow issues in lttng_kconsumer_recv_cmd
+	* Clean-up: kernel-ctl: rename local variables in LTTNG_IOCTL_{,NO_}CHECK
+	* Clean-up: common: rename local variables in PERROR
+	* Clean-up: filter: fix variable shadowing in visit_node_load_expression
+	* Clean-up: filter: rename variable in filter-grammar-test.c
+	* Clean-up: sessiond: remove some declarations from lttng-sessiond.h
+	* Clean-up: sessiond: prepend `the_` to global variable names
+	* Fix: utils: avoid strncpy overlap in utils_partial_realpath
+	* Clean-up: utils: make utils_partial_realpath static
+	* Fix: lttng: list_triggers: use proper format specifier for uint64_t
+	* Fix: sessiond: error accounting: wrong sizeof argument cpu_counters
+	* Fix: sessiond: error accounting: wrong sizeof argument cpu_counters
+	* Fix: sessiond: notification: missing unlock on client list on error
+	* Docs: sessiond: document the rationale for the iteration on triggers list
+	* Fix: added missing test_channel and removed double defined test_syscall
+	* Clean-up: sessiond: blasphemous declaration of variable in code
+	* Fix: sessiond: error accounting: leak of cpu_counter array on error path
+	* Fix: sessiond: error accounting: dereference of null pointer on error path
+	* Fix: sessiond: error accounting: unchecked lttng_ht_del return value
+	* Fix: sessiond: kernel: invalid error code check
+	* Fix: sessiond: kernel: missing check for unregistration error
+	* Tests: fix: unchecked sscanf return value
+	* on-event evaluation: remove trigger name accessor
+	* notification: add trigger accessor to lttng_notification
+	* notification: transmit originating trigger as part of evaluation
+	* Fix: .gitignore: use full paths for test binaries
+	* Tests: use TRACEPOINT_INCLUDE
+	* Fix: sessiond: ust-app: assertion failure on registration of dead app
+	* common: credentials: hide symbols
+	* trigger: consider name in trigger _is_equal()`
+	* Fix: sessiond: notification: use after free of trigger object
+	* sessiond: Extract `{setup,teardown}_tracer_notifier()` functions
+	* Clean-up: sessiond: Extract trigger_ht_element removal function
+	* Tests: event notifier error counters
+	* sessiond: Implement UST event notifier error counter
+	* common: document why spawn_viewer() is public
+	* Docs: document trigger condition and action ownership in 2.13+
+	* Fix: sessiond: kernel: close on badfd on initialization error
+	* Fix: sessiond: kernel error accounting fd still open when unloading modules
+	* sessiond: Implement kernel event notifier error counter
+	* Fix: on-event condition: don't abort() on invalid event expression type
+	* Fix: common: index_allocator_get_index_count() returns size
+	* on-event: add error counter fields to condition
+	* compiler warning cleanup: is_signed_type: compare -1 to 1
+	* common: shm.c: improve logging on various error paths
+	* Cleanup: Move `create_posix_shm()` to common/shm.c
+	* common: Add index allocator for error counters
+	* Fix: sessiond: agent: lazy creation of agent on removal
+	* Clean-up: sessiond: make some accesses to conditions const
+	* Extract synchronize tracer notifier functions
+	* Cleanup: Extract `ust_app_synchronize_all_channels()` function
+	* ust-abi: add missing lttng_ust_abi prefixes
+	* clock override: use getter API from LTTng-UST
+	* Fix: bytecode test should be in UST_FILTERS, not UST_STR_FILTERS
+	* Tests: test bytecode linker refusal of non-string arrays and sequences
+	* Tests: utils.sh: pass arbitrary arguments to start_lttng_sessiond*
+	* Cleanup: clarify `buffer_reg_channel` and `ust_registry_channel` variables
+	* Fix: return value of register trigger to the notification thread is not acted upon
+	* Tests: Cleanup: gen-syscall-events: remove duplicated help line
+	* Tests: Cleanup: add `lttng_{add, remove}_trigger_ok()` bash functions
+	* Tests: fix: log level rule: leak of rule after test
+	* Fix: lttng-sessiond: kernel: leak of event notifier rule
+	* Tests: add log level rule validation tests
+	* Fix: event-rule: report log level rules as unsupported for kernel domain
+	* Tests: Fix: list-triggers test case out of date
+	* Tests: add kernel --function basic test case
+	* Rename event rule kretprobe to kernel function
+	* on-event evaluation: introduce on-event evaluation specific status code
+	* event-notifier: implement `lttng_trigger_needs_tracer_notifier()` function
+	* lttng-ctl: Introduce lttng_log_level_rule
+	* Clean-up: sort noinst_PROGRAMS in test/unit/Makefile.am
+	* Clean-up: sort TESTS in test/unit/Makefile.am
+	* Clean-up: sort files in include/Markefile.am
+	* event-rule: userspace probe: force location on create
+	* event-rule: userspace probe: rename get/set_name to get/set_event_name
+	* event-rule: kernel probe: force location on create
+	* event-rule: kernel probe: rename set/get_name to set/get_event_name
+	* event-rule: syscall: set the default pattern to '*'
+	* event-rule: tracepoint: set default pattern to '*'
+	* Rename files for condition event-rule to on-event
+	* Rename lttng_condition_event_rule to lttng_condition_on_event
+	* Rename uprobe files to userspace-probe
+	* Rename uprobe to userspace-probe
+	* Rename kprobe file to kernel-probe
+	* Rename kprobe to kernel_probe
+	* Tests: Implement trigger capture test cases
+	* man: lttng-add-trigger: document --capture option
+	* CLI: make list-triggers command print capture expressions
+	* Support capture for kernel tracer
+	* lttng: Capture is only supported by tracepoint and syscall event-rules
+	* sessiond: notification-thread: Missing action executor status handling
+	* sessiond: notification-thread: Missing domain internal header
+	* sessiond: action-executor: Missing notify header
+	* Make captured field values available to event rule cond. evaluation
+	* notification: fetch capture payload on notification reception
+	* Fix: set_ust_capture: missing ABI rename
+	* tests: perf: UNHALTED_REFERENCE_CYCLES might not be actionable on a host
+	* Fix: tests: missing LOG_DRIVER and LOG_DRIVER_FLAGS
+	* Adapt to lttng-ust ust-abi.h naming prefix update
+	* Use bytecode seqnum to force the evaluation ordering of capture bytecode
+	* sessiond: ust-app: set capture bytecode on event notifier on creation
+	* sessiond: ust-app: add utils to add a capture bytecode to a ust object
+	* UST abi: add `struct lttng_ust_capture_bytecode`
+	* Fix: sessiond: off-by-one poll check when draining an event notifier
+	* lttng-ctl: add event field value API
+	* Cleanup: sessiond: fix comments to match with behavior
+	* Fix: sessiond: return _OK on _SET_SESSION_SHM_PATH command success
+	* Generate capture bytecode on trigger reception
+	* Implement lttng_condition_event_rule_get_capture_bytecode_at_index
+	* condition: implement lttng_condition_event_rule_generate_capture_descriptor_bytecode
+	* condition: implement lttng_condition_event_rule_get_internal_capture_descriptor_at_index
+	* Fix: lttng: add-trigger: payload capture fields specified as contexts
+	* Fix: event-expr-to-bytecode: use after free in logging on error
+	* msgpack: silence uninitialized msg_pack_object warning
+	* Fix: lttng: add-trigger: erroneous null check on location return
+	* condition: introduce lttng_capture_descriptor struct
+	* sessiond: Add msgpack-c 3.3.0 to the tree
+	* ust-app: pass down trigger object instead of event-rule
+	* Clean-up: bytecode: harmonize storage-class specifier placement
+	* Clean-up: bytecode: hide file-local bytecode_reserve util
+	* .gitignore: add notification-client and test_event_expr_to_bytecode
+	* common: introduce lttng_event_expr_to_bytecode
+	* common: add more bytecode helpers
+	* common: rename filter bytecode types
+	* common: move copy_filter_bytecode to bytecode.c and rename it
+	* common: move bytecode utilities from filter to its own file
+	* CLI: add-trigger: add --capture option to `on-event` condition
+	* notification-thread: drain all tracer notification on removal
+	* Implements `lttng_event_notifier_notification_{create,destroy}()`
+	* lttng-ctl: add capture descriptor feature to event rule condition API
+	* lttng-ctl: add event expression API
+	* testapp: gen-ust-events: augment captured fields
+	* spawn-viewer: silence bogus warning on gcc 5.4.0 PPC32
+	* Tests: fix: leak of probe location in uprobe notification test
+	* Clean-up: uri_parse_str_urls: skip allocation when no uris are parsed
+	* Fix: lttng: add-trigger: erroneous null check on location return
+	* Tests: remove test_notification_kernel from root_regression
+	* Tests: kernel buffer usage: skip proper amount of tests when not root
+	* Tests: notification: use lttng.h instead of individual headers
+	* Tests: notification: use get_next_notification() and a validator
+	* Tests: notification: Makefile.am formatting
+	* Tests: remove duplicate notification multi-app test
+	* Tests: triggers: `start-session` and `stop-session` actions
+	* Tests: triggers: Add syscall event rule condition filter tests
+	* Tests: triggers: Add userspace-probe event rule condition kernel tests
+	* Tests: triggers: Add syscall event rule condition kernel tests
+	* testapp: gen-syscall-events: use dynamic paths provided via args
+	* Tests: gen-syscall-events: generate 2 events of each type for filtering
+	* Tests: triggers: Add kprobe event rule condition kernel tests
+	* Tests: triggers: Add event rule condition exclusion tests
+	* Tests: triggers: Add event rule condition filter tests
+	* Tests: triggers: Add basic event rule condition tests
+	* Tests: notification: regroup event generators utils in a single file
+	* Tests: notification.c: add `test_scenario` parameter
+	* Tests: Cleanup: notification: `assert()` that `app_pid` is set
+	* Tests: Cleanup: rename test_notification_channel()
+	* Tests: Cleanup: create `test_subscription_twice()` function
+	* Tests: Cleanup: add `register_buffer_usage_notify_trigger()` util function
+	* Tests: Cleanup: create `test_invalid_channel_subscription()` function
+	* Tests: test_notification_ust: reduce number of event generated
+	* Tests: notification: make testcases manage the test app
+	* Tests: Cleanup: apply coding style to `test_notification_channel()`
+	* Tests: Cleanup: extract duplicated code to `setup_buffer_usage_condition()`
+	* Fix: lttng: add-trigger: leak of argpar state
+	* Fix: lttng: add-trigger: leak of error string
+	* Fix: lttng: add-trigger: leak of max_size_arg argument
+	* Fix: lttng: add-trigger: leak of source argument
+	* Clean-up: uri_parse_str_urls: assert on invalid uri_parse() return values
+	* Fix: lttng: add-trigger: leak of argpar_item
+	* Fix: lttng: add-trigger: erroneous null check
+	* Fix: lttng: include lttng-list-trigger missing an 's'
+	* Clean-up: lttng: logging: use ARRAY_SIZE macro
+	* sessiond: notification-thread: Use lttng_domain_type_str()
+	* lttng: Add remove-trigger command
+	* lttng: Add list-triggers command
+	* Docs: document --condition and --action in add-trigger's OPTIONS section
+	* Docs: Add lttng-add-trigger man page
+	* lttng: Add add-trigger command
+	* Tests: Add add-trigger CLI tests
+	* Tests: add raw perf test to the test list when building with libpfm support
+	* Clean-up: lttng: only include lttng.h
+	* lttng.h: add missing public headers and sort them
+	* Clean-up: lttng: replace manual string comparison code by strcasecmp
+	* Fix: lttng-ctl: appending to dynamic buffer invalidates its data member
+	* Implement list_cmd_options_argpar
+	* CLI: Import argpar
+	* Implement utils_parse_unsigned_long_long
+	* lttng: move parse_userspace_probe_opts to a common util
+	* Clean-up: lttng: silence bogus warning
+	* lttng: move log level name to numerical value conversions to a common util
+	* sessiond: action-executor: log trigger name rather than its address
+	* Fix: action-executor: address of trigger name logged instead of trigger name
+	* sessiond: docs: document action_executor_enqueue() parameter ownership
+	* sessiond: defer tracer notification jobs to the action executor
+	* Fix: consumer: timer: uninitialized sigevent fields
+	* Fix: sessiond: notification: unreachable code in switch-case
+	* Fix: sessiond: client: leak of trigger object on invalid client message
+	* Fix: sessiond: timer: unitiliazed sigevent fields
+	* Fix: sessiond: ust-registry: dereference of NULL pointer on allocation failure
+	* Fix: sessiond: kernel: leak of notifier rule on failure to init notifier
+	* lttng-ctl: health: remove unreachable condition
+	* Fix: sessiond: uninitialized credentials set for unbound trigger
+	* buffer-view: improve logging on creation failure
+	* Fix: sessiond: leak of trigger on registration error
+	* sessiond: kernel: misleading log message on event rule creation failure
+	* Fix: sessiond: trace-kernel: function return code overwritten
+	* sessiond: convert invalid command return codes to LTTNG_ERR_UNK
+	* lttng-ctl: convert invalid command return codes to LTTNG_ERR_UNK
+	* Clean-up: ust-consumer: replace manual metadata cache buffer allocation
+	* Clean-up: ust-consumer: pass metadata cache to its write method
+	* Fix: ust-consumer: metadata thread not woken-up after version change
+	* Fix: ust-consumer: metadata cache lock not taken when sampling max offset
+	* Clean-up: ust-consumer: simplify metadata cache unlock on error path
+	* Fix: sessiond: acquire session list lock when updating event notifiers
+	* sessiond: agent: enable events matching event notifiers
+	* Fix: sessiond: assertion fails when getting name of trigger
+	* sessiond: client commands: print command enum as a string
+	* Cleanup: add `notification_command_type_str()`
+	* Fix: lttng-sessiond: Taking sizeof of a pointer
+	* Use MT-safe strtok_r in spawn viewer library helper
+	* Fix: use MT-safe strtok_r in multithreaded context
+	* sessiond: synchronize event notifiers for UST tracers and the kernel tracer
+	* Fix: sessiond: ust-app: account for the event notification pipes fds
+	* sessiond: ust-app: close the event notifier group's pipe write-end
+	* sessiond: notification: receive incoming notifications from tracers
+	* sessiond: unregister triggers during clean-up on shutdown
+	* sessiond: trigger: decouple reception of triggers from commands
+	* sessiond: clean-up: trigger to unregister can be 'const'
+	* Fix: sessiond: double free on duplicate removal of tracer source
+	* sessiond: kernel triggers: add infrastructure to create event notifiers
+	* kernel: event notifier: kernel-ctl interface
+	* kernel: load lttng-ring-buffer-event-notifier-client module
+	* sessiond: kernel: make modules required/optional property per-module
+	* Fix: add rcu_barrier() after sessiond_cleanup()
+	* ust-app: implement event notifier support
+	* Fix: liblttng-ctl: unreported truncations when copying strings
+	* Fix: sessiond: event name truncation during listing
+	* Clean-up: replace erroneous of empty parameter list by void
+	* sessiond: setup event notifier group for registering app
+	* Fix: configure: support Autoconf 2.70
+	* Fix: different pthread_getname_np signature() on macOS causes build failure
+	* lttng-ust abi: sync _UST_CMD() values
+	* hashtable: silence -fsanitize=address warning for `hashlittle()` function
+	* Tests: Fail test if sessiond is not running when it should
+	* Cleanup: erroneous use of CDS_INIT_LIST_HEAD() on node
+	* UST: update ABI for event notifier
+	* userspace-probe: Decouple `userspace_probe_add_callsite()` from event and session
+	* Generalize disable_ust_event to support multiple types of ust object
+	* Generalize enable_ust_event to support multiple types of ust object
+	* Generalize set_ust_event_exclusion to support multiple types of ust object
+	* Generalize set_ust_event_filter to support multiple types of ust object
+	* notification: mark tracer source element as out of poll set
+	* Introduce trigger hash table with tracer token as key
+	* notification: add/remove tracer event source
+	* DBG: add debug statement for trigger not bound to any object
+	* sessiond: Extract condition hashing functions
+	* Cleanup: misplaced white space in `ERR()` statement
+	* Add base support for event rule hit
+	* sessiond: return 'invalid protocol' error on reception error
+	* Only perform notification related unregistering when action is notify
+	* Use lttng_trigger_is_equal when iterating over the trigger ht
+	* Generate bytecodes related to the trigger on reception
+	* kernel: Add token field to `struct lttng_kernel_event`
+	* kernel: Add `struct lttng_kernel_syscall` to ABI
+	* Extras: Perl 5.26 requires { to be escaped by \
+	* Fix: sessiond: metadata not created on app unregistration during start
+	* test: utils: lttng_pgrep performs lookup on non-existing pid
+	* Fix: missing `_mutex_lock()` before signaling a condition variable
+	* Cleanup: use `modprobe --remove` rather than `rmmod`
+	* trigger: consider domain on register and unregister
+	* trigger: lttng_trigger_get_underlying_domain_type_restriction
+	* action-executor: missing include of internal event-rule header
+	* Tests: unit: lttng_condition_event_rule
+	* condition: implement event rule based condition
+	* Move conditions source files to src/common/conditions directory
+	* trigger: implement listing of registered trigger
+	* Apply policy on channel sampling
+	* trigger: introduce firing policies
+	* Fix: lttng-ctl: deserialize on orderly shutdown of sessiond
+	* Fix: trigger: erroneous check for success of trigger creation
+	* Fix: trigger: leak of trigger on failure to set name
+	* Clean-up: trigger: use condition and action put
+	* Docs: payload/buffer view: validate is missing an argument description
+	* Fix: unchecked buffer size for communication header
+	* relayd: logging of `trace chunk exists` command refers to the wrong command
+	* trigger: lttng_triggers: implement a container for multiple triggers
+	* action-executor: evaluated object credentials are optional
+	* trigger: generate and add tracer token on registration
+	* action-executor: add trigger name to debugging output
+	* trigger: implement trigger naming
+	* port: run namespace tests only on Linux
+	* port: FreeBSD does support fchown and fchmod on a shm fd
+	* port: Add pthread_setname_np FreeBSD compat
+	* port: only enable userspace callstack context on Linux
+	* trigger: implement is_equal
+	* trigger: expose trigger owner uid
+	* Clean-up: action-executor: typo and missing tab
+	* Tests: Fix: 99% fill ratio for high buffer usage is too high for larger events
+	* Fix: action: invalid header offset used when serializing snapshot action
+	* port: FreeBSD has no ENODATA, alias it to ENOATTR
+	* port: tests: /proc/self/fd is Linux only, use /dev/fd on other Unices
+	* Cleanup: Use pkg-config to detect liburcu
+	* Clean-up: sessiond: silence negative index warning
+	* credentials: uid and gid now use LTTNG_OPTIONAL
+	* port: Add missing sock_cred macros on FreeBSD
+	* port: use compat lttng_fls()
+	* port: FreeBSD has no LOGIN_NAME_MAX, use sysconf instead
+	* port: no eventfd support on FreeBSD
+	* optional: Add LTTNG_OPTIONAL_INIT_VALUE
+	* action: Mark parameter of lttng_action_get_type as const
+	* Introduce lttng_domain_type_str utility
+	* port: no HOST_NAME_MAX on FreeBSD, use LTTNG_HOST_NAME_MAX
+	* port: ELF_ST_TYPE is defined in elf.h on FreeBSD
+	* port: posix_fadvise is available in FreeBSD >= 10.0
+	* port: fix compat/endian.h on FreeBSD
+	* port: ls --ignore= is a GNU extension
+	* Tests: poll: test all possible combinations of active fds in a poll set
+	* Fix: common: poll: compat_poll_wait never finishes
+	* Tests: Add syscall enable/disable scenarios
+	* Cleanup: simplify 'poll' wrapper build
+	* Cleanup: autoconf 'dirfd' detection
+	* Set version to 2.13-pre
+	* relayd: silence null dereference warning during viewer stream creation
+	* Fix: relayd: failure to read index entry or stream packet after clear
+	* Fix: lttng-ctl: erroneous uses of LTTNG_PACKED
+	* Fix: relayd: live: invalid return code on DETACH_SESSION
+	* Tests: clear: remove test workspace directory
+	* Tests: ns_contexts: discarded events result in test failure
+	* Fix: PERROR spam when `tracing` group does not exist
+	* Build fix: implicit declaration of function 'PERROR' on Solaris
+	* tests: unit: event-rule unit testing
+	* event-rule: introduce event rule tracepoint
+	* event-rule: introduce event rule uprobe
+	* event-rule: introduce event rule syscall
+	* event-rule: introduce event-rule kprobe
+	* event-rule: lttng_event_rule base object
+	* Introduce kernel-probe locations
+	* userspace-probe: replace explicit null-termination check
+	* Revert "userspace-probe: replace explicit null-termination check"
+	* Tests: clean-up: remove trailing dot in snapshot test statements
+	* userspace-probe: replace explicit null-termination check
+	* userspace-probe: log function name on invalid parameter error
+	* Allow run-as to generate filter bytecode.
+	* Fix: add missing errno.h in pthread compat
+	* Add common util to set thread name
+	* Fix: liblttng-ctl: unchecked return value on buffer append
+	* Fix: action executor: double work list unlock on error
+	* Move filter related code to libfilter under libcommon
+	* Clean-up: consumer: consumer_metadata_cache_write is not const-correct
+	* Fix: memcpy used on potentially overlapping regions
+	* sessiond: notification: use lttng_payload for communications
+	* Fix: sessiond: client/client_list lock inversion on disconnect
+	* Fix: sessiond: missing rcu read lock on client in/out events
+	* sessiond: enforce user-exclusive session access in session_access_ok
+	* sessiond: trigger: run trigger actions through an action executor
+	* Revert "Fix: sessiond: erroneous user check logic in session_access_ok"
+	* Revert "sessiond: trigger: run trigger actions through an action executor"
+	* Fix: sessiond: erroneous user check logic in session_access_ok
+	* sessiond: trigger: run trigger actions through an action executor
+	* Fix: notification: deadlock on cmd_queue.lock and client->lock
+	* sessiond: notification: add support for async commands
+	* sessiond: notification: refactor: split transmission and poll update
+	* sessiond: notification: synchronize notification client (and list)
+	* sessiond: notification: introduce the notion of 'active' client
+	* sessiond: notification: maintain an id to notification_client ht
+	* Fix: tests: `pgrep -f` flags unrelated process as lttng-sessiond
+	* logging: print human-readable thread names when logging
+	* sessiond: clarify the role of notification credentials
+	* Use lttng_trigger credentials to send evaluation to client
+	* trigger: introduce refcounting
+	* trigger: use condition and action ref counting to ease internal objects management
+	* condition: introduce reference counting
+	* Clean-up: tests: fd-tracker: change spaces to tabs
+	* Clean-up: relayd index: change spaces to tabs
+	* Clean-up: sessiond comm relay: change spaces to tabs
+	* Clean-up: compat time: change spaces to tabs
+	* Clean-up: kernel consumer: change spaces to tabs
+	* Clean-up: sessiond ust-app: change spaces to tabs
+	* Clean-up: sessiond notification thread: change spaces to tabs
+	* Clean-up: sessiond kernel: change spaces to tabs
+	* Clean-up: sessiond kernel: fix include style
+	* Clean-up: sessiond consumer: change space to tabs
+	* Clean-up: sessiond: change space to tabs
+	* Clean-up: sessiond manage-consumer: change space to tabs
+	* Clean-up: relayd: change space to tabs
+	* Clean-up: sessiond command: fix include style
+	* Clean-up: sessiond command: change space to tabs
+	* Clean-up: relayd trace-chunk: change space to tabs
+	* Clean-up: relayd index: change space to tabs
+	* Clean-up: relayd session: change space to tabs
+	* Clean-up: liblttng-ctl clear: change space to tabs
+	* Clean-up: liblttng-ctl destruction handle: change space to tabs
+	* Clean-up: mi-lttng: change space to tabs
+	* Clean-up: time: change space to tabs
+	* Clean-up: consumer-stream: change space to tabs
+	* Clean-up: consumer metadata cache: change space to tabs
+	* Clean-up: run-as: change space to tabs
+	* Clean-up: utils: change space to tabs
+	* Clean-up: sessiond rotation: change space to tabs
+	* Clean-up: sessiond: change space to tabs
+	* Clean-up: trace-chunk: change space to tabs
+	* Clean-up: consumer: change space to tabs
+	* Clean-up: optional: change space to tabs
+	* trigger: internal: add credentials information
+	* credentials: implement is_equal
+	* sessiond: clean-up: remove unused `state` function parameter
+	* .gitignore: add test_unix_socket
+	* sessiond: comm: add fd count information for lttng-ctl -> sessiond comm
+	* Tests: add unix socket wrapper unit tests
+	* payload-view: mark lttng_payload_view_get_fd_handle_count as const
+	* Fix: uprobe: inequality comparison against NULL
+	* Fix: action: lttng_action_group_add_action returns status invalid
+	* Fix: evaluation: dereference before NULL check in create_from_payload
+	* Tests: rework tracefile_count test to meet the tracefile count limit
+	* Fix: extraneous empty/inactive flush on rotation out of a trace chunk
+	* Fix: relayd: double unlock on viewer stream creation error
+	* Fix: relayd: live connection fails to open file during clear
+	* Fix: sessiond: unchecked return value
+	* Fix: common: unchecked return value
+	* Fix: common: improper use of negative return
+	* Fix: sessiond: unchecked return value
+	* Fix: relayd: wrong stream type used in DBG statement
+	* sessiond: client: use common payload send fds util
+	* payload: use fd_handle instead of raw file descriptors
+	* Add fd_handle interface
+	* payload: don't re-initialize destination payload on copy
+	* uprobe: transmit binary file descritptor through lttng_payload
+	* Fix: payload view: payload view always refers to parent's position
+	* Fix: lttng: leak of userspace probe path on listing
+	* payload: incomplete sentence in lttng_payload_init comment
+	* common: add lttng_payload_view fd count accessor and buffer init
+	* common: move lttng_payload[_view] to libcommon
+	* common: add lttng_dynamic_array_set_count()
+	* sessiond: prepare client replies through an lttng_payload
+	* Clean-up: sessiond: change spaces to tab
+	* Fix: uprobe: missing error code on allocation failure
+	* Fix: sessiond: don't negate error code on list error
+	* userspace-probe: implement is_equal
+	* Fix: send/received actual size is overwritten by 'expected' size
+	* unix: add non block send and receive flavors for fd passing
+	* Fix: partial recv lead to client disconnect
+	* tests: return the proper TAP exit code
+	* Add tests/unit/test_payload to .gitignore
+	* Tests: live/test_{lttng_,}kernel: use lttng_test_filter_event instead of sched_switch
+	* Cleanup: Tests: live/test_{lttng_,}ust: testapp not in background
+	* Fix: consumer: Move sanity check within `consumer_subbuffer` functions
+	* Cleanup: typo in DBG() statements
+	* Fix: use sys/types.h for ssize_t on Cygwin
+	* Add kernel and UST time namespace context
+	* Fix: sessiond: wrong variable checked for error code
+	* Fix: consumerd: double unlock on rotate channel error path
+	* Fix: consumerd: packet sent before channel rotation
+	* Clean-up: relayd: missing space in debug statement
+	* Fix: relayd: wrong specifier used in DBG format string
+	* Tests: add a "new metadata after clear" test
+	* Fix: relayd: send_viewer_streams sends stack data in padding
+	* Clean-up: consumer: move open packet to post_consume
+	* Fix: stream intersection fails on snapshot of cleared session
+	* Fix: relayd: viewer metadata is not rotated after a session clear
+	* Fix: post-clear trace chunk has a late beginning packet
+	* Fix: kconsumer: missing wait for metadata thread in do_sync_metadata
+	* Clean-up: relayd: unused tcp keep alive config return value
+	* Fix: tests: interrupting get_next_notification causes test to fail
+	* Fix: consumer.c: wrong order of parameter in `DBG()` statement
+	* Fix: consumer: dangling chunk on buffer allocation failure
+	* Convert `README.md` to `README.adoc`
+	* Fix: consumerd: uninitialized written_bytes on no-data sleep
+	* Build fix: consumerd misnamed label
+	* consumerd: on_sleep not called on stream when no data is available
+	* Fix: invalid discarded events on start/stop without event production
+	* tests: truncate metadata file for regenerate metadata test
+	* Fix: consumerd: user space metadata not regenerated
+	* tests: gen-ust-events-ns/tp.h: Fix build with musl libc
+	* actions: Expose lttng_action_type_string internally
+	* actions: introduce action group
+	* actions: Make lttng_action reference countable
+	* actions: introduce snapshot session action
+	* Clean-up: replace space by tabs
+	* Fix: tests: output_dir contains the consumerd pipe
+	* liblttng-ctl: use lttng_payload for serialize/create_from_buffer
+	* common: set dynamic-buffer's data to NULL on reset()
+	* Clean-up: coding style fixes in dynamic-buffer.c
+	* liblttng-ctl: add facilities for lttng_snapshot_output object
+	* Fix: unix: don't PERROR on EAGAIN for non-blocking sockets
+	* actions: introduce rotate session action
+	* actions: introduce stop session action
+	* actions: introduce start session action
+	* actions: implement is_equal
+	* Clean-up: sort includes per clang format in action.c
+	* format: AlignOperand introduces spaces
+	* Fix: incorrect specifier %lu used with size_t argument
+	* Fix: consumerd: live client receives incomplete metadata
+	* consumerd: refactor: split read_subbuf into sub-operations
+	* consumerd: move rotation logic to domain-agnostic read path
+	* sessiond: enforce mmap output type for kernel metadata channel
+	* consumerd: tag metadata channel as being part of a live session
+	* consumerd: pass channel instance to stream creation function
+	* consumerd: cleanup: use buffer view interface for mmap read subbuf
+	* consumerd: move address computation from on_read_subbuffer_mmap
+	* consumerd: refactor: combine duplicated check_*_functions
+	* kerner-ctl: add RING_RING_BUFFER_GET_NEXT_SUBBUF_METADATA_CHECK
+	* Fix: common: fs_handle_seek returns negative value on success
+	* Fix: lttng: Destroying session message repeated during destruction
+	* Add lttng_dynamic_buffer_append_view util
+	* Make lttng_dynamic_buffer_append_buffer const-correct
+	* .gitignore: add test_buffer_view
+	* Fix: liblttng-ctl: leak of tracker handle in lttng_[un]track_pid
+	* Fix: common: abort on rotation after time manipulation
+	* Tests: test_exclusion: exclusion after tracing active
+	* Tests: `gen-ust-nevents`: add syncpoints
+	* Tests: accept built-in kernel modules
+	* API: missing includes in lttng.h
+	* API: missing clear and clear-handle includes in lttng.h
+	* API: sort lttng.h includes
+	* Fix: API: missing end brace for C++ linkage specification.
+	* README.md: fix typos in component descriptions
+	* Fix: tests: `-Wstringop-overflow` warning
+	* Improve README.md
+	* Docs: fix comment typo in lttng-error.h
+	* Fix: sessiond: sessiond and agent deadlock on destroy
+	* relayd: clean-up: remove unused DATETIME_STRING_SIZE definition
+	* Fix: load: incomplete error handling for load_session_from_file
+	* actions: improve logging in lttng_action_create_from_buffer
+	* actions: introduce lttng_action_init
+	* actions: introduce function typedef for creating actions from buffer
+	* buffer-view: introduce lttng_buffer_view_contains_string
+	* Move actions source files to src/common/actions directory
+	* ust registry: Refactor representation of nested types
+	* common: keep libcommon_la_SOURCES list sorted
+	* lttng-crash(1): document the command's positional argument
+	* lttng-sessiond(8): append missing argument to short options
+	* lttng-sessiond(8): sort the option list by long option name
+	* lttng-relayd(8): mention the `--config` option
+	* Fix: lttng-load: support legacy PID tracker specification
+	* Fix: sessiond: invalid session configuration on EXCLUDE_ALL policy
+	* Fix: relayd: unchecked allocation result of unlinked file pool
+	* lttng-crash: use `spawn_viewer()` to launch trace viewer
+	* lttng-view: clean-up: move `--viewer` code to specific file
+	* lttng-crash: clean-up: fix alignment of format string
+	* lttng-view: clean-up: rename `parse_options()` -> `parse_viewer_option()`
+	* Fix: python: suppress -Wmissing-prototypes warning with SWIG 3.0.10
+	* lttng-view: clean-up: use singular form for type name
+	* lttng-view: clean-up: remove references to LTTv
+	* Fix: relayd: harmonize path format in backward-compat mode
+	* Bump session.xsd version to 2.12
+	* lttng-relayd(8): normalize style and add details
+	* doc/man: refer to Babeltrace 2 instead of Babeltrace 1
+	* lttng-clear(1): normalize style and add details
+	* Fix: filter-grammar-test: add dependencies between steps
+	* Fix: relayd: assertion fails on creation of session by peer < 2.11
+	* Fix: relayd: crash on creation of session by peer < 2.11
+	* Fix: consumer: fallback to flush when flush empty is unsupported
+	* Fix: consumerd: incorrect clear logging statement
+	* Fix: sessiond: error reported on session destruction for old modules
+	* Fix: sessiond: erroneous error code returned on rotation failure
+	* Fix: lttng-destroy: missing newline on session destruction message
+	* relayd: clean-up: reference is repeated in comment
+	* Typo: 'Descritptor' -> 'Descriptor'
+	* Typo: 'Accomodate' -> 'Accommodate'
+	* Clean-up: trace-ust comment still refers to only PID trackers
+	* Fix: tracker: NULL pointer dereference after NULL check
+	* Fix: sessiond: NULL pointer dereference after NULL check
+	* Fix: sessiond: missing goto in error handler
+	* Fix: sessiond: user/group name can be leaked on malformed command
+	* configure: add -Wmissing-declarations, -Wmissing-prototypes, and more
+	* Fix: sessiond: make the --without-lttng-ust version of launch_application_notification_thread static
+	* Fix: tests: include callsites.h from callsites.c
+	* Fix: relayd: cast idigit argument to unsigned char
+	* Fix: tests: make some functions static
+	* Fix: tests: add `void` parameter to functions that take no parameters
+	* Fix: common: make lttng_trace_chunk_remove_subdirectory_recursive static
+	* Fix: common: add `void` parameter to log_add_time declaration
+	* CONTRIBUTING.md: harmonize list style with the rest of the docs
+	* CONTRIBUTING.md: clarify the guidelines for commit messages
+	* Fix: lttng-list: don't warn when the kernel domain has no channels
+	* Refactor: lttng-ctl: follow terminology of the tracker documentation
+	* lttng: list: replace domain headers with the official names
+	* lttng: list: print `per-user` and `per-process` buffer types
+	* Docs: overhaul of lttng-track(1) and lttng-untrack(1)
+	* Fix: MI: bump MI schema version to 4.0 in mi-lttng.c
+	* Fix: sessiond: occasional badfd error on repeated SIGTERM
+	* Fix: lttng: incorrect domain list printed when no domain is provided
+	* Fix all -Wdiscarded-qualifiers warning instances
+	* Remove part of last name to fit in a 80 character line
+	* Fix: Tests: trace path wildcards not expanded
+	* Fix: Tests: `gen-ust-events` doesn't error out on invalid option
+	* Fix: Tests: utils.sh: merge `validate_{directory,folder_is}_empty` functions
+	* Fix: Tests: undefined `NR_USEC_WAIT` bash variable
+	* directory-handle: print `errno` reason on `unlinkat()` error
+	* Fix: lttng-ctl: _handle can be NULL
+	* Fix: sessiond: domain subdirectory not deleted on empty clear
+	* Ignore -Wincomplete-setjmp-declaration warnings
+	* tests: put -no-pie in LDFLAGS instead of CFLAGS
+	* Silence `POSIX Yacc` warnings
+	* Fix -Wmissing-declarations warnings in filter-parser.y
+	* Include cmd-2-2.h in cmd-2-1.h
+	* Make create_file function static in gen-ust-tracef.c
+	* Make remove_file_from_hierarchy function static in test_directory_handle.c
+	* Make fd_count function static in test_fd_tracker.c
+	* Add declarations for exported functions in health_exit.c
+	* Add declarations for exported functions in health_fail.c
+	* Make functions in live_test.c static
+	* Add declarations for exported functions in consumer_testpoints.c
+	* Make parse_arguments static in base_client.c
+	* Fix all -Wmissing-declarations warning instances
+	* Fix: fd-tracker: mark symbols as hidden
+	* Fix: liblttng-ctl: hide new tracker config symbols
+	* Tests: remove unused libhealthexit code
+	* Fix: remove broken health monitoring test `test_thread_exit`
+	* Fix: directory-handle: use of free'd handle on fstat() error
+	* Fix: relayd: use of relay_session ref count before initialization
+	* Fix: relayd: unchecked return value when opening relay socket
+	* configure: add --enable-Werror
+	* configure: use AX_APPEND_COMPILE_FLAGS to detect supported warning flags
+	* tests: append to AM_CFLAGS instead of overriding it
+	* Tests: gen-ust-nevents: use options instead of arguments
+	* Tests: Cleanup: test_exclusion: more detailed output
+	* Fix: Tests: `test_exclusion` passing for the wrong reason
+	* Tests: notification.c: remove extra space
+	* Fix: trace-chunk: useless assignment to 'ret'
+	* Fix: lttng: track-untrack: error assigned to wrong variable
+	* Fix: relayd: live: unchecked poll set creation return value
+	* Fix: relayd: live: unchecked return value when opening relay socket
+	* Fix: relayd: unchecked poll set creation return value
+	* Fix: lttng: uninitialized pointer free'd when no sessiond is present
+	* Fix: tracker: inclusion of internal header in public header
+	* Tests: Fix: `wait_on_file()` returns too early
+	* Fix: Tests: utils.sh: fix unbound variable
+	* Tests: Fix typo: registerd -> registered
+	* Tests: Cleanup: remove unused bash variable
+	* Typo: 'toogle' -> 'toggle'
+	* Fix: lttng-sessiond: control reaches end of non-void function warning
+	* Fix: possible null dereference
+	* Fix: string might be uninitialized
+	* Fix: force the use of our _FORTIFY_SOURCE definition
+
+2020-02-04 lttng-tools 2.12.0-rc1
+	* Tests: fix: test_relayd_working_directory fails as user
+	* Fix: sessiond: snapshot errors don't clear session's trace chunk
+	* Fix: sessiond: bounded snapshot record fails when no streams exist
+	* Tests: fix: test_relayd_working_directory fails as root
+	* Fix: trace-chunk: dereference after NULL check
+	* Clean-up: mi: remove logically dead code
+	* Fix: trace-chunk: dereference after null check of old_path
+	* Clean-up: unchecked return value
+	* Fix: unchecked return value of cds_lfht_destroy()
+	* Fix: relayd: return from function without unlocking session lock
+	* Clean-up: consumerd: remove unreachable code
+	* Clean-up: trace-chunk: remove unreachable code
+	* Fix: unchecked return value of lttng_directory_handle_create()
+	* Tests: fd-tracker: fix: leak of test paths
+	* session-descriptor: fix comment typos in session-descriptor.h
+	* Fix: directory-handle: typo in equals method breaks compat build
+	* Fix: potential use of uninitialized return value
+	* Clean-up: remove instances of loop initial declarations
+	* Fix: relayd: register listener threads as rcu readers
+	* relayd: track directory handles through the fd-tracker
+	* tests: Move to kernel style SPDX license identifiers
+	* Fix: include stdlib.h in compat/string.h
+	* Cleanup: remove superfluous tests.txt
+	* fix: add include guards to compat/path.h
+	* Move to kernel style SPDX license identifiers
+	* Sync ax_have_epoll.m4 with autoconf-archive
+	* .gitignore: ignore gen-kernel-test-events
+	* Fix: lttng: sanity check of `--probe` description
+	* lttng-view: make babeltrace2 the default viewer
+	* lttng-view: clean-up: remove unneeded empty line
+	* lttng-view: clean-up: static struct viewers array should be const
+	* lttng-view: clean-up: remove commented and unused references to lttv
+	* relayd: register fd tracker instance to all created trace chunks
+	* relayd: track relayd control connection sockets
+	* relayd: track relayd data connection sockets
+	* relayd: replace uses of block FDs by the fs_handle interface
+	* fd-tracker: restore suspended handles from their inode's path
+	* directory-handle: query if instance is backed by a file descriptor
+	* directory-handle: make lttng_directory_handle_stat public
+	* fd-tracker: replace custom optional implementation by LTTNG_OPTIONAL
+	* directory-handle: add an equals method
+	* trace chunk: allow associating an fd_tracker to a trace chunk
+	* fd-tracker: refactor: extract fs_handle interface from fd_tracker
+	* fd-tracker: remove use of VLA for unsuspendable_fd APIs
+	* relayd: share the same output directory handle accross sessions
+	* Fix: relayd: fail to create session when trace chunk is not found
+	* relayd: track the health unix socket with the fd-tracker
+	* relayd: track the health thread's poll fd with fd-tracker
+	* LTTNG-RELAYD(8): document the --fd-pool-size option
+	* relayd: rename fd-cap parameter to fd-pool-size
+	* relayd: track the live client connections socket
+	* relayd: track the control and data listener socket
+	* relayd: track the live listener socket
+	* relayd: track stdio output file descriptors
+	* relayd: track the live viewer worker thread's epoll fd
+	* relayd: track the live listener thread's epoll fd
+	* relayd: track the live_conn_pipe with the fd-tracker
+	* relayd: track listener's epoll fd using the fd-tracker
+	* relayd: track worker thread's epoll fd using the fd-tracker
+	* relayd: track clients of the health unix socket with the fd-tracker
+	* relayd: track the health quit pipe with the fd-tracker
+	* relayd: track the relay_conn_pipe with the fd-tracker
+	* relayd: track the quit pipe with the fd-tracker
+	* relayd: Don't bypass the fd tracker when closing file descriptors
+	* relayd: initialize the global fd tracker from fd_cap option
+	* relayd: clean-up: reduce the number of exit paths in main()
+	* relayd: add fd-cap option to limit the number of opened FDs
+	* Fix: use lttng_tracker_id_status enum values
+	* Fix: update context types for Python bindings
+	* Fix: lttng: placing probe on symbol starting with `_`
+	* Fix: build failure with -fno-common
+	* Fix: Tests: missing stream redirect causes test failure
+	* Fix: automatic enum value overwrites existing error code value
+	* doc: Fix bind address example for lttng-relayd
+	* Build fix: dist target builds fails due to missing header file
+	* Fix: track-untrack.c: regression of `--all --pid` option ordering
+	* track-untrack.c: error out on unknown CLI options
+	* Add test_event_tracker to the TESTS variable
+	* Add missing `test_event_tracker` to fast_regression
+	* Cleanup: track-untrack.c: declare all `int` on the same line
+	* Fix: relayd: hostname check is too restrictive
+	* Cleanup: remove extra whitespace from include directive
+	* Fix: skip start trace for app that are already started.
+	* Fix: keep active session state on redundant start command
+	* Fix: build failures when `--without-lttng-ust`
+	* Sync lttng-ust ABI version in ust-abi-internal.h
+	* Sync lttng-modules ABI version in internal kernel-ioctl.h
+	* Fix: lttng-clear: invalid free of session name
+	* Fix: initialize var_data to NULL
+	* tracker: update API documentation
+	* Cleanup: remove struct lttng_handle from tracker.h
+	* Refactoring: introduce lttng_tracker_ids_serialize
+	* Refactoring: move count to an output parameter
+	* Refactoring: introduce lttng_tracker_ids data structure
+	* Refactoring: use an opaque lttng_tracker_id type
+	* Fix: Initialize ret to zero
+	* Update track/untrack man page
+	* Error early on invalid tracker type for UST domain
+	* ust-app: remove dead code
+	* Fix: Skip uid registry when metadata key value is 0
+	* trackers: bump MI version to 4.0
+	* tests: test uid/gid/pid/vuid/vgid/vpid trackers
+	* trackers: update list/track/untrack commands
+	* trackers: support tracking feature
+	* trackers: add sessiond tracker list implementation
+	* trackers: update lttng-modules tracer ABI
+	* trackers: introduce new tracker types
+	* trackers: change error code from "pid" to "id"
+	* format: use AfterCaseLabel: true for switch case
+	* Fix: sessiond: check for lttng-modules ABI 2.1 rather than 2.8
+	* Doc: man page: lttng-relayd LTTNG_RELAYD_DISALLOW_CLEAR env. var.
+	* Doc: lttng-clear(8) man page
+	* tests: mi for clear command
+	* tests: lttng clear command
+	* tests: gen-ust-events: abort() on argument error
+	* tests: gen-ust-events: add touch and wait sync points before exit.
+	* tests: gen-ust-events: use options instead of arguments
+	* relayd: live: implement support for clear feature
+	* relayd: implement support for clear feature
+	* relayd: viewer-stream: introduce viewer_stream_close_files and viewer_stream_sync_tracefile_array_tail
+	* relayd: viewer_session: expose viewer_session_set_trace_chunk_copy symbol
+	* trace-chunk: implement no-op and delete release commands
+	* sessiond: document effect of rotated_after_last_stop on clear
+	* sessiond: snapshot: set trace chunk to NULL before closing it
+	* relayd: return invalid protocol error on close chunk disallowed clear
+	* relayd: set has rotated only for explicit rotations
+	* trace-chunk: Introduce chunk "path", relayd session "ongoing_rotation", sessiond session "rotated"
+	* consumer: add extra debug output
+	* relayd: add extra debug output
+	* sessiond: implement clear command
+	* sessiond: add clear notifier
+	* sessiond: introduce cleared_after_last_stop
+	* sessiond: implement ust app clear session
+	* sessiond: implement kernel clear session
+	* sessiond: implement consumer clear channel
+	* consumer: implement clear channel
+	* common trace-chunk: introduce lttng_trace_chunk_get_name_overridden
+	* common: trace-chunk: track all files within a chunk
+	* sessiond: cmd_rotate_session: introduce command argument
+	* sessiond: query relayd configuration for availability of clear feature
+	* relayd: Implement get_configuration relayd protocol command
+	* common: index and trace-chunk file creation/open API change
+	* common: index: remove redundant separator for empty channel string
+	* sessiond: refactoring: introduce start/stop_kernel_session
+	* sessiond-comm: add clear command support to consumer protocol
+	* sessiond-comm: Document feature branch specific commands range
+	* relayd: tracefile array: Allow head position to skip ahead
+	* relayd tracefile array: add tracefile_array_reset
+	* common dynamic-array: Introduce dynamic array clear
+	* relayd: environment variable to disable clear command
+	* lttng: Implement lttng clear session command
+	* lttng-ctl: Expose sessiond cmd_clear_session command
+	* common error: Add errors for clear feature
+	* ust-consumer: Expose user space clear buffer operation
+	* kernel-ctl: Expose kernel clear buffer operation
+	* Test: rotate_utils.sh: consider chunk archive with ust/ as empty
+	* Send ust and kernel domain directory handle to consumer
+	* Fix: consumer: do not flush on transition from NULL chunk
+	* Fix: consumer: honor "active" flush flag
+	* Fix: sessiond cmd.h: include missing lttng-sessiond.h
+	* Fix: sessiond: ust-app: per-pid buffers: Create empty ust/ directory
+	* Fix: utils: utils_stream_file_path separator
+	* Fix: consumerd: use packet sequence number for rotation position
+	* align.h: Implement ALIGN_FLOOR macro
+	* Fix: relayd: per-pid live: no new metadata vs close
+	* Fix: relayd: use packet sequence number for rotation position
+	* Fix: relayd stream.c: LTTNG_OPTIONAL_GET address confusion
+	* Fix: optional.h macro missing parentheses and guards
+	* Fix: use of strnlen breaks build on Solaris 10
+	* dynamic-array: fix documentation of lttng_dynamic_pointer_array_get_pointer
+	* Fix: make dist fails on sdt-probe test with autotools v1.16+
+	* Fix: tests: metadata presence on relayd is not deterministic
+	* Fix: move testpoint after state update
+	* Make lttng_directory_handle reference countable
+	* Clean-up: apply clang-format to the newly added fd-tracker
+	* Fix build: fd-tracker is not part of librelayd
+	* Add git-review config
+	* doc: fix typo in lttng-enable-event man page
+	* tests: make functions static in test_notification.c
+	* tests: make functions static in test_utils_compat_poll.c
+	* tests: make functions static in test_utils_expand_path.c
+	* tests: make functions static in test_session.c
+	* tests: make functions static in test_uri.c
+	* tests: include foo.h in foo.c
+	* compat: remove always true assertion in compat-poll.c
+	* Fix: sessiond: RCU read lock imbalance on get trace chunk id error
+	* tests: add declaration for test_function in userspace-probe-elf-binary.c
+	* tests: add declarations for functions in gen-syscall-events-callstack.c
+	* tests: make entry_handler static in ini_config test
+	* Format lists in src/common/Makefile.am
+	* sessiond: make functions static in ust-registry.c
+	* sessiond: make thread_consumer_management function static
+	* sessiond: make thread_rotation function static
+	* Fix: build: ust -> kernel mix-up in noinst_SCRIPTS
+	* Fix: relayd: missing metadata stream causes all traces to be skipped
+	* lttng-ctl: add local declarations for obsolete functions in lttng-ctl.c
+	* sessiond: remove unused log_job_destruction function
+	* sessiond: make disable_context static
+	* sessiond: make ltt_sessions_ht_alloc static
+	* relayd: make functions static in ctf-trace.c
+	* Make validate_url_option_combination static in create.c
+	* Make _utils_expand_path static
+	* Remove unused function uri_create
+	* uri: put `inline` at beginning of strpbrk_or_eos declaration
+	* tests: put `static` keyword at beginning of variable declaration
+	* common: make some functions static in mi-lttng.c
+	* consumerd: make lttng_consumer_close_all_metadata static
+	* README.md: libuuid is no longer a dependency
+	* Replace libuuid with internal implementation
+	* consumerd: remove unused function consumer_del_data_stream
+	* m4: sync ax_pthread.m4 with autoconf archive
+	* configure.ac: Remove duplicated CMD_DESCR_ROTATE definition
+	* Fix: tests: missing argument in test output print statement
+	* Silence bogus warning when building with old GCC versions
+	* Clean-up: open_pipe_cloexec() has useless boilerplate
+	* Clean-up: tests: unchecked closedir value in test_fd_tracker
+	* Fix: fd-tracker: dereference of lttng_inode after NULL check
+	* Fix: fd-tracker: error path lead to null dereference of handle
+	* Fix: fd-tracker: crash on close of partially initialized handle
+	* Tests: add fd-tracker tests for the unlink operation
+	* fd-tracker: use lttng_inode to store fs_handle's path
+	* fd-tracker: add the lttng-inode interface
+	* fd-tracker: add the unlink operation to fs handles
+	* Test: add a unit test for the fd tracker
+	* fd-tracker: add pipe management wrappers to fd-tracker
+	* fd-tracker: add epoll/poll management wrappers to fd-tracker
+	* fd-tracker: add an fd-tracker util to common
+	* relayd: close stdin on launch
+	* Fix: relayd: fully initialize viewer stream before publishing it
+	* Clean-up relayd: session_release can be marked as static
+	* Fix: relayd: don't send streams if there is no metadata
+	* Fix: update apps on untrack only when session is active
+	* Fix: consumerd: assert on null trace chunk on session restart
+	* Fix: sessiond: don't wait for a rotation from a null chunk to finish
+	* Fix: sessiond: duplicated rotation notification sent
+	* Fix: relayd: remove assert of non-null stream trace chunk on rotate
+	* Docs: verb/noun confusion in comment
+	* Fix: sessiond: no rotation performed from null chunk to new chunk
+	* Fix: invalid use of destructor in dynamic pointer array
+	* Fix: relayd: check for a trace chunk before writing a packet
+	* Fix: relayd: viewer session trace chunk not released on detach
+	* Require automake >= 1.12
+	* relayd: rename viewer_session_set_trace_chunk and hide it
+	* Fix: relayd: session trace chunk is copied too late
+	* Fix: overly restrictive datetime regexp rejects valid dates
+	* Fix: relayd: disallow 0-length session names for 2.4+ peers
+	* Docs: RELAYD(8): document the --group-output-by-session/host options
+	* Tests: unit testing for backward compatibility of group-output-by-session
+	* relayd: Add backward compatibility for --group-output-by-session
+	* Tests: regression testing for lttng-relayd --group-output-by-*
+	* Tests: lttng_snapshot_add_output_ok: allow specifying output type
+	* relayd: introduce --group-output-by-session
+	* Fix: sessiond: ust: deadlock with per-pid buffers
+	* relayd: close viewer stream trace chunk earlier on release
+	* Fix: relayd: put chunk reference when closing stream
+	* Fix: relayd: tracefile rotation: viewer opening missing index file
+	* Tests: fix shellcheck warning
+	* Tests: base path: lttng load for session configuration
+	* Cleanup: remove unused internal lttng_session_descriptor_get_base_path
+	* Refactor: Move set session path to own function
+	* Fix: move set base_path of session to URI configuration
+	* Fix: tests: re-add link to urcu-bp for _LGPL_SOURCE tests
+	* Fix: tests: use DL_LIBS variable in ust multi-lib test
+	* Fix: lttng: initialize sessions pointer to NULL
+	* Use pkgconfig to detect and configure liblttng-ust
+	* Fix: check for dtrace and sdt.h before enabling SDT uprobe tests
+	* Fix: consumerd: crash occurs when taking snapshot of ust channel
+	* Fix: trace-chunk: log the cause of file open failures
+	* Fix: relayd: live: crash when creating viewer streams
+	* Fix: relayd: live: crash on attach to a session without trace chunk
+	* Fix: relayd: live: some listed sessions are not attacheable
+	* Fix: relayd: don't put un-acquired trace chunk reference
+	* Fix: relayd: don't put un-acquired viewer trace chunk reference
+	* Fix: consumerd: NULL pointer dereference during metadata sync
+	* consumerd: clean-up: stream attribute accessed without locking stream
+	* Tests: namespace tests fail to build on older libc
+	* Fix: check for lttng-ust >= 2.11 at configure
+	* sessiond: build fails in --without-lttng-ust configuration
+	* Tests: use "kill -0" for app existence check in NS tests
+	* Tests: add kernel namespace context change tests
+	* Tests: add UST namespace context change tests
+	* Tests: add kernel namespace contexts tests
+	* Tests: add UST namespace contexts tests
+	* MI: add support for namespace and uid/gid contexts
+	* Add UST uid/gid contexts
+	* Add kernel uid/gid contexts
+	* Add UST namespace contexts
+	* Add kernel namespace contexts
+	* Update local copy of ust-abi.h to reflect addition of ns contexts
+	* Tests: fix: tmp dir can be a symlink
+	* Docs: relayd: document LTTNG_RELAYD_WORKING_DIRECTORY env variable
+	* Docs: relayd: document the --working-directory/-w option in man page
+	* Introduce LTTNG_RELAYD_WORKING_DIRECTORY environment variable
+	* Tests: add an lttng-relayd working directory test
+	* relayd: introduce --working-directory/-w options
+	* Fix: compile fails for x32 arch
+	* Typo: occured -> occurred
+	* Fix typo 'Attemp' -> 'Attempt'
+	* Fix: sessiond: use system LTTng-UST headers when available
+	* doc/man: use specific revision date for each manual page
+	* lttng-rotate.1.txt: update voice and document the `archives` subdir.
+	* Fix: sessiond: unbalanced health register/unregister on error
+	* Fix: sessiond: NULL thread_state provided to pthread_cleanup callback
+	* Fix: sessiond: leak of trace chunk on destruction error
+	* common: cleanup error message mentioning mkdir
+	* Fix: sessiond: session destruction errors are unreported
+	* Fix: consumer: double unlock of rcu read lock on error
+	* Fix: sessiond: application channel creation failure stops start cmd
+	* sessiond: clean-up: enhance logging on event allocation failure
+	* Fix: sessiond: don't assert on event creation error
+	* sessiond: clean-up: typo in ust-app.c comment
+	* .gitignore: ignore vscode files
+	* Fix: lttng-elf.c: dereferencing pointer before null check
+	* Fix: sessiond: unbounded elf section data size allocation
+	* Fix: sessiond: double socket close on allocation failure
+	* Fix: sessiond: TOCTOU error on save of session configuration
+	* Fix: tests: replace truncation-prone logging helper
+	* DIST OOT: use build_dir version.i file
+	* Introduce EXTRA_VERSION_PATCHES
+	* Use EXTRA_VERSION_NAME and EXTRA_VERSION_DESCRIPTION
+	* Introduce EXTRA_VERSION_NAME and EXTRA_VERSION_DESCRIPTION
+	* Fix: relayd: Dereference after null check
+	* Fix: sessiond: app sock and notif shm not created by the main thread
+	* Fix: sessiond: client socket not created by the main thread
+	* Fix: relayd: Dereference before null check
+	* Fix: relayd: unchecked return values
+	* Fix: ust-consumer.c: Double unlock of channel lock
+	* Fix: sessiond: Dereference before null check
+	* Fix: sessiond: Dereference after null check
+	* Fix: relayd: Explicit null dereferenced
+	* Cleanup: relayd: Logically dead code
+	* Fix: enable_events.c: typo in `WARN()` message
+	* Cleanup: enable_events.c: fix erroneous comment
+	* Cleanup: relayd: identical code for different branches
+	* Fix: common: Unchecked return value of `closedir()`
+	* Fix: relayd: Dereference after null check
+	* Fix: Tests: test_session.c: Structurally dead code
+	* Fix: session-descriptor.c: Dereference before null check
+	* Fix: common: Dereference after null check
+	* Fix: test_utils_compat_poll.c: Unchecked return value
+	* Fix: liblttng-ctl: wrong variable used during argument validation
+	* Fix: liblttng-ctl: ABI-breaking size change of lttng_session struct
+	* Fix: liblttng-ctl: config and mi strings inadvertantly exported
+	* Fix: liblttng-ctl: compat_sync_file_range inadvertantly exported
+	* Fix: liblttng-ctl: poll compatibility symbols inadvertently exported
+	* Fix: lttng-ctl: unvalidated session destruction handle API arguments
+	* Docs: document the session destruction handle API
+	* Fix: Tests: Segfault in `test_utils_expand_path()`
+	* Fix: lttng-ctl: missing __cplusplus closing brace
+	* Fix: trace chunk reported unknown before close command execution
+	* Fix: sessiond: leak of application socket on chmod failure
+	* sessiond: clean-up: silence warning that agent event is leaked
+	* Fix: tests: leak of prefix on error to register lttng namespace
+	* Fix: use newly created event filter for condition check
+	* Fix: lttng-crash: detect truncated files
+	* Fix: sessiond: fs.protected_regular sysctl breaks app registration
+	* relayd: clean-up: mix-up between LTTNG_PATH_MAX and LTTNG_NAME_MAX
+	* Fix: destroy command: put consumer output after destroy notifier
+	* Refactor: remove logically dead code
+	* Fix: Null check before destroying health_sessiond
+	* Fix: Move initialization of queue_pipe_fd after null check of handle
+	* Fix: release reference to new chunk on copy error
+	* Fix: Close socket handle on error
+	* Fix: lttng: out-of-bound copy of arguments in 'view' command handler
+	* Revert "lttng: fix: out-of-bounds copy of original 'view' command arguments"
+	* Fix: relayd: session destruction does not complete in live mode
+	* Add a copy method to the trace chunk interface
+	* relayd: move viewer stream chunk reference release to destroy
+	* relayd: move relay_session locking outside of make_viewer_streams
+	* Fix: release reference to trace chunk on index file creation failure
+	* trace-chunk: clean-up: mark close command properties as static const
+	* trace-chunk: clean-up: misleading label name
+	* ust-consumer: fix: metadata stream lock taken before destroy
+	* sessiond: fix: memory leak of section name in elf parser
+	* kconsumer: clean-up: initialize ctf_index before populating it
+	* sessiond: fix: strncpy called with source length
+	* sessiond: fix: possible unaligned access in packed structure
+	* relayd: clean-up: strncpy uses the length of the source as length
+	* lttng: fix: out-of-bounds copy of original 'view' command arguments
+	* lttng: clean-up: silence bogus string truncation warning
+	* sessiond: clean-up: mixed log levels enums used to look-up event
+	* sessiond: fix: possible unaligned access in packed structure
+	* sessiond: fix: possible unaligned access in packed structure
+	* sessiond: fix: possible unaligned access in packed structure
+	* sessiond: fix: possible unaligned access in packed structure
+	* lttng-ctl: fix: possible unaligned access in packed structure
+	* lttng-ctl rotate: fix: possible unaligned access in packed structure
+	* runas: fix: possible unaligned access in packed structure
+	* consumer: fix: possible unaligned access in packed structure
+	* inet: fix: possible unaligned access in packed structure (inet/inet6)
+	* consumer: fix: unaligned accesses to index fields
+	* lttng-sessiond: clean-up: set free'd pointer to NULL
+	* lttng: fix: potential 0-length allocation in pid list parsing
+	* Tests: fix: uninitialized session_id used on list_sessions failure
+	* Tests: fix: uninitialized values passed to close() on error
+	* Clean-up: assert that get_count_order() returns a positive value
+	* Clean-up: suppress bogus scan-build warning
+	* Tests: fix: leak caused by misuse of realloc in multi-lib-test
+	* sessiond: clean-up: init ret value of _session_set_trace_chunk_no_lock_check
+	* sessiond: fix: print_escaped_ctf_string mishandles empty string
+	* lttng-ctl: fix: lttng_data_pending confuses communication status
+	* relayd: fix: rotate_truncate_stream() assumes non-null next chunk
+	* Fix: dereference of NULL pointer in stream_write()
+	* Fix: report bytecode_push failure when pushing symbol
+	* Fix: only invoke PERROR() on failure to close sessiond_socket
+	* Clean-up: lttng: check status returned when checking rotation state
+	* Fix: communication error unreported in relay_rotate_session_streams
+	* Fix: unreported error in relay_close_trace_chunk
+	* Clean-up: remove dead assignment from ht cleanup thread launcher
+	* Clean-up: remove dead assignment from thread_rotation
+	* Clean-up: remove dead assignment in setup_channel_trace_path
+	* Clean-up: remove dead assignments while setting session trace chunk
+	* Fix: report path truncation on addition of local uri to consumer
+	* Clean-up: lttng: silence warning in regenerate command handler
+	* Clean-up: lttng: silence warning in metadata command handler
+	* Clean-up: remove NULL check on sesison_create mandatory arguments
+	* Fix: session may be NULL in relay_create_session error path
+	* Clean-up: silence erroneous leak warning
+	* Fix: leak of lttng_elf_shdr in lttng-elf.c
+	* Fix: leaked chunk reference in lttng_consumer_create_trace_chunk
+	* Clean-up: remove unused stream file creation and unlink functions
+	* Fix: use the trace chunk to truncate streams on late rotation
+	* Clean-up: format using remaining buffer len rather than total len
+	* Fix sessiond: report flush errors on session stop
+	* Fix: leak of trace_path on error in ust_app_snapshot_record
+	* Fix: uninitialized directory handle finalized on error path
+	* Fix: release reference to created chunk if it can't be published
+	* Fix: destroy chunk registry on element creation failure
+	* Fix: return NULL on trace chunk registry failure
+	* Fix: forward fatal error in evaluate_condition_for_client()
+	* Fix relayd: check for NULL in session_put
+	* Fix typo in regenerate statedump test util
+	* Fix: time constants already defined on macOS
+	* Fix: missing include strings.h for bcopy on Solaris 10/11
+	* Fix: strndup does not exist on Solaris 10
+	* Fix: strnlen is not defined on Solaris 10
+	* Fix: redefinition of USEC_PER_SEC macro on macOS
+	* Fix: sessiond does not build without lttng-ust support
+	* Fix: sessiond: handle NULL control output in session descriptor base path getter
+	* Tests: metadata env scope values
+	* Support LTTNG_KERNEL_SESSION_SET_CREATION_DATETIME of lttng-modules
+	* Support LTTNG_KERNEL_SESSION_SET_NAME of lttng-modules
+	* Metadata: add env fields to ease lttng path hierarchy creation for viewer
+	* Fix: lttng_directory_handle_init fails on opening base relayd output
+	* Fix: init_session_output_path is valid for peer >= 2.11 only
+	* Fix: chunk state is not set when relayd does not support trace chunks
+	* Fix: check validity of a stream before invoking ust flush command
+	* Fix: namespace our gettid wrapper
+	* pprint.m4: add missing copyright header
+	* Fix: reintroduce lazy kernel modules load, fix empty syscall list
+	* Fix: check for lttng modules presence before testing
+	* sessiond: use epoll()/poll() instead of select()
+	* lttng-ctl: notifications: use epoll()/poll() instead of select()
+	* epoll/poll compat: expose interruptible API
+	* tests: invoke full_cleanup from script trap handlers, use modprobe -r
+	* Cleanup: test: don't stop relayd twice
+	* Fix: test: utils.sh: exit from process on full_cleanup
+	* Fix: utils.sh: handle SIGPIPE
+	* Fix: tests: error handling in high throughput limits test (v2)
+	* Improve handling of test SIGTERM/SIGINT (v2)
+	* Fix: incorrect conversion specifier used with size and padding
+	* Fix: incorrect conversion specifier used with packet size
+	* Fix: mismatch of ust_app_get_size_one_more_packet_per_stream prototype
+	* Fix: mismatch of ust_app_snapshot_record prototype
+	* Fix: lttcomm_consumer_close_trace_chunk_reply undefined without UST
+	* Fix: kernel/ust snapshot backward compat for 2.10 relay
+	* relayd protocol: reply path for close chunk and create session 2.11
+	* Fix: streaming and snapshot backward compat for relayd < 2.11
+	* Fix: relayd: create_index_file error handling
+	* Fix: don't use newlines in logging message
+	* Fix: relayd outputs traces of legacy sessionds to home dir
+	* relayd comm: add base path to create session
+	* tests: add base-path tests
+	* test utils: support URI in lttng_snapshot_add_output
+	* Fix: close consumer sockets before waiting for them
+	* Fix: consumer: put each chunk on teardown
+	* Fix: validate that session, host and basepath are legal
+	* Fix: honor base path for network URIs
+	* Fix: bindings import segfaults on missing hash_key_u64
+	* Cleanup: typo: overriden -> overridden
+	* Fix: relay: relay_rotate_session_streams uninitialized return value
+	* Fix: test_kernel rotation: expect 60 rather than 64
+	* Save registration time for app
+	* Fix: tests: update rotation ust number of tests
+	* Clean-up: missing word `lock` in comment
+	* Use case-scope error labels handling LTTNG_CONSUMER_ROTATE_CHANNEL
+	* Use case-scope error labels handling LTTNG_CONSUMER_PUSH_METADATA
+	* Use case-scope error labels when handling LTTNG_CONSUMER_GET_CHANNEL
+	* Use case-scope error labels handling LTTNG_CONSUMER_ROTATE_CHANNEL
+	* Use case-scope error labels handling LTTNG_CONSUMER_DESTROY_CHANNEL
+	* Use case-scope error labels handling LTTNG_CONSUMER_STREAMS_SENT
+	* Use case-scope error labels when handling LTTNG_CONSUMER_ADD_STREAM
+	* Clean-up: set stream's channel pointer to NULL after releasing ref
+	* Fix: mark consumer channels as logically deleted during deletion
+	* Cleanup: mark utils_get_home_dir as returning a const string
+	* Fix: use utils_get_home_dir for anonymous trace chunk path
+	* Fix: tests: typo in rotation util
+	* Fix: keep ust/kernel session items around for destroy notifier
+	* Tests: add a test for the "skip non-empy" rmdir flag
+	* Fix: rmdir recursive: skip non-empty directories with flag
+	* Fix: uninitialized variable returned by relay_rotate_session_streams
+	* Fix: allow quiet rotation at destroy of live session
+	* Fix: relayd: live: read index file header
+	* Fix: index: use parenthesis around define
+	* Fix: test_crash: don't kill first app twice
+	* Fix: perform a rotation to a null trace chunk on session destruction
+	* relayd: log destination trace chunk of ROTATE_STREAMS command
+	* Clean-up: declare dummy pipe payload as a char instead of a string
+	* Fix: consumer: assert that stream chunk != NULL (not channel)
+	* relayd fix: trace chunk is reclaimed before close command
+	* Fix: rotation of a stopped session hangs indifinitely
+	* Fix: initialize kernel stream max subbuffer size on creation
+	* Fix: use relay_id from ust_session or kernel_session consumer
+	* Fix: lttng-ctl: public session.h control API: restore 0 success return value
+	* Fix: remote kernel stream paths contain too much information
+	* Fix: destroy command: send credentials with command
+	* relayd: open live viewer files from the current stream's trace chunk
+	* Fix: don't perform an automatic session rotation in snapshot mode
+	* Fix: incorrect time unit used when waiting on destruction handle
+	* relayd: implement file and session rotation on top of trace chunks
+	* Fix: remove assertions of the existence of a trace chunk
+	* Fix: only create trace chunk if the output of a session supports it
+	* Fix: use stream's current tracefile count rather than the max
+	* relayd: use bool for is_metadata relay_stream attribute
+	* relayd: create stream files relative to a session's trace chunk
+	* Fix: leak of consumer_output when using an explicit snapshot output
+	* Fix: reception buffer of control connection is leaked
+	* Fix: ensure a newline is printed before exit on client destroy
+	* Send session creation time to relay daemon when supported
+	* relayd: remove unnecessary allocation in session path formatting
+	* relayd: add remote trace chunk close command
+	* Create userspace buffers using ua_sess effective credentials
+	* Use lttng_credentials instead of bespoke uid/gid members in ua_sess
+	* relayd: add remote trace chunk creation command
+	* Add .clang-format
+	* Don't allow slashes and dots in overriden trace chunk names
+	* relayd: Retrieve a relay_session's trace chunk on creation
+	* relayd: Transmit current trace chunk id in create_sesssion command
+	* Use a "comm" variant of the LTTNG_OPTIONAL helper in sessiond-comm
+	* Remove unused relay daemon commands
+	* relayd: create an implicit trace chunk on session creation
+	* relayd: create sessiond trace chunk registry on session creation
+	* Use directory handle to rename trace chunk directory
+	* Docs: add directory handle header documentation
+	* Add rmdirat and renameat to run-as commands
+	* Print the location of trace chunk produced at session destruction
+	* Docs: misleading documentation of compat_epoll_create
+	* Remove unused ust_sock member of command_ctx
+	* Tests: clarify the tap output of the kernel session rotation test
+	* Fix: wait for the completion of implicit session rotations
+	* Fix: don't hide EBADF error subbuffer write
+	* Tests: don't expect a UST directory after inactive per-PID rotation
+	* Tests: remove check for an empty chunk produced on destruction
+	* Fix: metadata stream is not marked as quiescent after packet commit
+	* Create stream files relative to a stream's current trace chunk
+	* Cleanup: remove duplicated code in snapshot record command
+	* Fix: run_as_mkdirat returns value of errno
+	* Fix: double close of directory fd in runas worker
+	* relayd: add the sessiond_trace_chunk_registry interface
+	* Move index initialization to ctf-index.h
+	* Export utils_stream_file_path outside of common/utils.c
+	* Add file creation/unlinking utils to directory handle
+	* relayd: send sessiond uuid and session id as part of create session
+	* Transmit sessiond uuid to consumerd on launch
+	* Add lttng_uuid_copy() util
+	* Add lttng_uuid_is_nil() util
+	* Add lttng_uuid_is_equal util to lttng_uuid
+	* Add a consumer daemon INIT command
+	* Generate a UUID on lttng-sessiond launch
+	* Remove unneeded creation of the UST domain sub-directory
+	* .gitignore: ignore ccls and clangd files
+	* Create an initial trace chunk on first start of an ltt_session
+	* Allow direct access to the dirfd of a directory handle
+	* Create a consumer daemon trace chunk registry on launch
+	* Add the trace chunk and trace chunk registry interfaces
+	* Add a time_to_iso8601_str() utility
+	* Add a method to create a directory handle relative to another one
+	* Maintain a channel-per-session_id hash table in the consumers
+	* Document lttng_directory_handle_init_from_dirfd
+	* Allow lttng_directory_handle to be moved
+	* Add a copy method to lttng_directory_handle
+	* Remove unused bitfield.h header
+	* Tests build fix: undefined MAGIC_VALUE macro
+	* Build fix: undeclared variable in poll compat
+	* Fix: error when listing sessions with no session
+	* Update base test for binding
+	* Fix: python binding: expose domain buffer type
+	* Clean-up: correct typo from epoll to poll
+	* Clean code base from redundant verification
+	* Change lttng_poll_wait behaviour of compat-poll to match compat-epoll
+	* Fix: hang in thread_rotation when using compat-poll
+	* Adapt poll layer behaviour to match the epoll layer
+	* Change LTTNG_POLL_GETNB behaviour for poll flavor
+	* Add Unit test to poll compatibility layer
+	* Fix: lttng_poll_mod calls compat_(e)poll_add
+	* Fix: getenv can return null
+	* Bump LTTNG_UST_ABI to 8.0
+	* Fix: directory handle credentials parameter is not const
+	* doc: Add reference to USDT probes
+	* Clean-up: Remove double buffer initialisation
+	* Fix: getgrnam is not MT-Safe, use getgrnam_r
+	* Fix: logging: log_add_time() save/restore errno
+	* Fix relayd: initialize beacon to -1ULL
+	* Fix: relayd: handling of lttng_read errors >= 0
+	* Harmonize pprint macro across projects
+	* Update the ac_define_dir macro from the autoconf archive
+	* Harmonize rw_prog_cxx_works macro across projects
+	* Namespace check_sdt_works custom macro
+	* Update macros from the autoconf archive
+	* Fix: relayd not spawned on default-url live session creation
+	* Clean-up: remove empty line in lttng create command
+	* Add mkdirat utils and runas wrappers
+	* Clean-up: remove commented code from test
+	* Fix tests: NULL pointer dereference in ltt_session unit tests
+	* Fix tests: NULL pointer dereference in ust channel unit tests
+	* Fix tests: NULL pointer dereference in ltt_ust_context unit tests
+	* Fix tests: NULL pointer dereference in ltt_session unit tests
+	* Log the wait-shm's path on shm_open failure
+	* Generate session name and default output on sessiond's end
+	* Move completed trace archive chunks to an "archives" sub-folder
+	* Fix: lttng_rotate_session does not handle socket close
+	* Fix: hide internal libcommon time utilities
+	* lttng: make the configuration file interface const correct
+	* Fix: command reply message is leaked for variable-len replies
+	* Fix: skip test when ust doesn't have perf support
+	* Tests: check for lttng-modules presence
+	* Fix: Properly sanitize input parameter
+	* Fix tests: link libpause_consumer on liblttng-ctl
+	* tap-driver.sh: flush stdout after each test result
+	* Fix tests: snapshot size validation failure runs too many test cases
+	* Fix tests: the tree origin can be a symlink itself
+	* Fix tests: skip test_getcpu_override on single core systems
+	* Enforce DL_LIBS value instead of hard coded -ldl
+	* Fix: Add POPT_CFLAGS to lttng_CFLAGS
+	* Fix: consumer snapshot: handle unsigned long overflow
+	* Clean-up: hide internal kernel_consumer_add_channel() symbol
+	* Fix: no-output sessions do not enforce snapshot constraints
+	* Fix: wrong error code returned by kernel_snapshot_record()
+	* Clarify incorrect channel output type logging message
+	* Mark lttng_kconsumer_snapshot_channel as static
+	* Docs: clarify the meaning of the snapshot_mode flag in ltt_session
+	* lttng: clean-up the printout of snapshot outputs
+	* lttng: clean-up printout of session output destination
+	* Docs: document the format of the lttng_session path member
+	* Docs: lttng-ctl has no default live timer period
+	* Fix: missing include can cause structures to not be packed
+	* Fix: check illegal combinations of ctrl-url/data-url/ouput/set-url
+	* Fix: lttng_uri structure must be packed as it is used for IPC
+	* Fix: missing mentions of tracing session rotation in basic help
+	* Fix: release reference to ltt_session on error instead of free()
+	* Fix relayd: session leaked on communication error during creation
+	* Prevent channel buffer allocation larger than memory
+	* Fix: destroy called twice on quit pipe
+	* Use uuid_to_str() when formatting metadata
+	* Add an internal uuid formatting utility
+	* Remove duplicate check for dlopen
+	* Tests: take multiple snapshots in streaming mode
+	* Fix: don't destroy the sockets if the snapshot was successful
+	* Fix: run-as thread deadlock on itself in restart error path
+	* Fix: session list lock must be held on session put operation
+	* Support minute and hour as time suffixes
+	* Test fix: passing bool argument to va_start is undefined
+	* Fix: missing rcu read locking in trigger "unregister all" command
+	* Fix: create_kernel_session asserts on failure
+	* Fix: only free trace_path when it is dynamically allocated
+	* Fix: wrong error check on kernel session creation
+	* Fix: don't put() thread on shutdown failure
+	* Fix: dereference on NULL pointer on allocation failure
+	* Fix: leak of filter bytecode and expression on agent event re-enable
+	* Test fix: python logging test spams its output
+	* Fix: leak of lttng-consumerd global HTs in run-as worker
+	* Fix: leak of sessiond configuration on launch of run-as worker
+	* Fix: leak of rundir config string
+	* Fix: only synchronize application configuration on tracing start
+	* Fix: run_command_wait() handle partial write
+	* Fix: do not repurpose iterator while it is being used
+	* Fix: handle_notification_thread_command: handle partial read
+	* Fix: notification thread: free session trigger list on error
+	* Fix: notification thread: RCU-safe reclaim of hash table nodes
+	* Fix: error logged on partial recvmsg() in MSG_DONTWAIT
+	* Print UTF-8 SI suffix only when allowed by the locale
+	* Cleanup: duplicate LDADD of libcommon for utils unit tests
+	* Move time utils to their own time.c file
+	* Fix: sessiond: don't allocate buffers and files for inactive sessions
+	* Cleanup: ust start/stop trace
+	* Fix: relayd: rotation pending off-by-one
+	* Fix: tests: test_crash should start sessions
+	* Fix: missing session reference release on kernel poll update
+	* Fix: set client socket permissions after launch of client thread
+	* Fix: use assignment-suppression for unused sscanf arguments
+	* Fix: report initialization error of app registration thread
+	* Fix: report initialization error of client thread
+	* Cleanup: consumer socket creation debug msg always prints fd:-1
+	* Cleanup: remove unused label
+	* Fix: may be used uninitialized warnings
+	* userspace-probe: tests: add testcase for unsupported instrumentation
+	* userspace-probe: Print error on binary not found
+	* userspace-probe: Print error for unsupported instrumentation mode
+	* Fix: use sys/types.h for ssize_t on Cygwin
+	* Add *.exe to gitignore for Cygwin
+	* Revert stubbing of runas functions
+	* Revert stubbing of unix socket functions
+	* Fix: warning 'fd' may be used uninitialized
+	* Fix: worker structure is leaked in run_as process
+	* Fix: ensure the ht clean pipe is empty before processing quit pipe
+	* Perform the clean-up of application notify sockets in main thread
+	* Clean-up: remove redundant exit labels from sessiond initialization
+	* Make the launch of the application registration thread blocking
+	* Stop the application registration thread before orphaned threads
+	* Rename ust-thread to notify-apps
+	* Teardown the notification thread after the sessiond clean-up
+	* Launch the consumer management thread using lttng_thread
+	* Stop sessions before destroying on teardown of session daemon
+	* Remove the sessiond "ready" counter mechanism
+	* Load session configurations from lttng-sessiond's main thread
+	* Launch the kernel management thread using lttng_thread
+	* Launch agent management thread using lttng_thread
+	* Mark lttng_pipe as const where possible
+	* Launch the application notification thread using lttng_thread
+	* Launch the application management thread with lttng_thread
+	* Launch application registration thread using lttng_thread
+	* Launch the ust registration dispatch thread using lttng_thread
+	* Launch the client management thread using lttng_thread
+	* Launch the timer thread using lttng_thread
+	* Launch the rotation thread using lttng_thread
+	* Fix: flush the rotation thread's job queue on exit
+	* Stop rotation pending check timer from the rotation thread
+	* Launch the notification thread using lttng_thread
+	* Launch the health management thread using lttng_thread
+	* Launch the ht-cleanup thread using lttng_thread util
+	* Add a thread utility class and thread list
+	* Don't perform an implicit rotation on session stop
+	* Wait for the destruction of sessions before tearing down main thread
+	* Fix: rotation_unavailable returned on failure to read time
+	* Fix: mark rotation pending check timer is never marked as disabled
+	* Acquire a reference to a session when a timer is active
+	* Reference count ltt_session objects
+	* Fix: typo 'occured' -> 'occurred'
+	* Fix: typo 'retrive' -> 'retrieve'
+	* Fix: typo 'convet' -> 'convert'
+	* Fix: typo 'leat' -> 'least'
+	* Fix: max_t/min_t macros are missing cast on input
+	* Fix: Connect timeout arithmetic in inet/inet6 (v4)
+	* Fix: cmd_snapshot_record can return unexpected error codes
+	* Docs: document why a negative socket may be passed
+	* lttng-enable-event.1.txt: fix SDT acronym, add missing "are supported"
+	* lttng-enable-rotation.1.txt: --timer option should be fairly precise
+	* doc/man: remove AUTHORS section
+	* lttng-enable-event.1.txt: uprobe: update style and content
+	* doc/man: add links between man pages about session rotation
+	* lttng-enable-event.1.txt: document dynamic user space probes
+	* lttng-{enable,disable}-rotation.1.txt: both types can be specified
+	* lttng-disable-rotation.1.txt: remove LIMITATIONS section
+	* lttng-enable-rotation.1.txt: add that SIZE/PERIOD are approximations
+	* lttng-rotate.1.txt: lttng-relayd(8) also has --output option
+	* Fix: sessiond: ust_app_rotate_session error handling
+	* Fix: sessiond: snapshot: handle consumer return codes
+	* Fix: consumer: snapshot error return code
+	* Fix: sessiond: consumer.c: rotation error handling
+	* Fix: consumer: rotation error return codes
+	* Fix: create_channel_per_pid: remove channel on error
+	* Fix: channel errors on local stress-tests
+	* Fix: channel_ust_create: remove channel on agent error
+	* Fix: cmd_rotate_session() returns unexpected error codes
+	* Fix: session rotation logging statement references snapshot
+	* Clean-up: typo in logging message Totation -> Rotation
+	* Fix: rotation error may leave session in "ONGOING" state
+	* Fix: session_list lock must be held to launch a rotation
+	* Add an ASSERT_LOCKED(lock) macro
+	* Clean-up: move global sessiond symbols out of main.o
+	* Fix: split index and data file rotation logic
+	* Fix: trace_archive_id is not sent in add_stream command
+	* Fix: condition unsubscription error leaves session locked
+	* Fix: rotation thread does not unregister from RCU on init error
+	* Remove unused nr_stream_rotate_pending from consumer channel
+	* Fix: session destruction blocks indefinitely if rotation is ongoing
+	* Clean-up: remove non-existent function's declaration
+	* Always choose large event header for UST channels
+	* Fix relayd: stream index file created in the wrong directory
+	* relayd: add payload logging to session rotation commands
+	* relayd: rename stream prev_seq to prev_data_seq
+	* Fix: take index seq number into account for rotation pending check
+	* Fix: take index sequence number into account for data pending check
+	* relayd: keep track of prev_index_seq in relayd_stream
+	* Fix: session conditions not evaluated at subscription/registration
+	* Remove unnecessary check of output parameter
+	* Allow get_next_notification to return when interrupted
+	* Fix: register rotation thread as RCU thread
+	* Docs: comment typo fix (accomodates -> accommodates)
+	* Fix: uninitialized variable may be used in local rotation check
+	* Rename sessiond-timer.[hc] to timer.[hc]
+	* Fix: rotation may never complete in per-PID buffering mode
+	* Fix: perform local data pending before checking data pending with relayd
+	* Fix: missing header breaks the cygwin build
+	* Fix: double put on error path
+	* Fix: holding the stream lock does not equate to having data pending
+	* Fix: skip uid registry when metadata key is 0
+	* Docs: document the meaning of a ust app channel key set to 0
+	* Fix: acquire stream lock during kernel metadata snapshot
+	* Fix: skip closed session on viewer listing
+	* Fix: use LTTNG_VIEWER_ATTACH_UNK to report a closed session
+	* Doc: withinin -> within
+	* Fix: cleanup relayd sockets on rotation command communication error
+	* Fix: perform relayd socket pair cleanup on control socket error
+	* Fix: relayd control socket mutex is not destroyed
+	* Tests: do not bound test app iterations when in background mode
+	* Tests: add missing rotation and autoload tests to check target
+	* Tests: remove temporary folder
+	* Tests: remove mi result files when done
+	* Tests: Remove unused set +x
+	* Tests: Kill relayd after sessiond to ensure a clean tear down
+	* Tests: Remove unused variable
+	* Tests: Use stop relayd from utils.sh
+	* Tests: remove declaration already present in utils.sh
+	* Tests: added test_autoload to noinst_SCRIPTS
+	* Fix: Memory leak on run_as worker restart error path
+	* Fix: non-zero return of open handled as error
+	* Fix: global run_as worker lock released during restart
+	* Fix: runas worker attempts to send invalid fd to master
+	* Cleanup: remove superfluous empty line
+	* Fix runas: don't attempt close negative fd
+	* Fix: tests: missing frame pointer for callstack test on some compiler
+	* Set version to 2.12.0-pre
+	* Add release name and description to configure.ac
+
 2018-08-31 lttng-tools 2.11.0-rc1 (National Trail Mix Day)
 	* Missing kernel test files in dist target
 	* elf: support dynamic symbol table lookup