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ChangeLog
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# SPDX-FileCopyrightText: 2011-2025 Mathieu Desnoyers <[email protected]>
#
# SPDX-License-Identifier: CC-BY-4.0
2025-04-16 (National Wear Your Pajamas to Work Day) lttng-ust 2.14.0-rc1
* Fix release description
* Set the 2.14 release codename and description
* doc/man/Makefile.am: make tool output verbose only with `V=1`
* lttng-ust(3): remove possessive markers for inanimate objects
* lttng-ust(3): "unix" -> "Unix"
* lttng-ust(3): sort environment variables by name
* lttng-ust(3): `LTTNG_UST_MAP_POPULATE_POLICY`: fix style
* lttng-ust(3): simplify "Tracing C/C++ constructors and destructors"
* lttng-ust(3): `LTTNG_UST_APP_PATH`: fix style and add more details
* Fix: Use UATOMIC_HAS_ATOMIC_{BYTE,SHORT} for counter atomics
* Fix: lttng-ust-tp regex warnings
* lttng-ust-java: Load lttng-ust-context-jni before other JNI libraries
* docs: Update links in CodingStyle
* Add .editorconfig
* docs: Replace git:// with https://
* doc/examples: set minimal CMake version to 3.5.0
* Fix: Use size_t type for lttng_ust_ring_buffer_ctx_init largest_align argument
* Introduce CONFIG_LTTNG_UST_EXPERIMENTAL_COUNTER
* Rename global buffers/counters to per channel
* Validate page size negative value
* Use size_t for size variable
* ABI: Introduce LTTNG_UST_ABI_CHAN_GLOBAL
* Implement global lib ring buffer clients
* ring buffer clients: template client allocation (per-cpu)
* Add new flush: flush events or populate packet
* docs: Clarify that make is required to build the project
* Fix: Update `get_mempolicy` check to handle `EPERM`
* Fix: Correct `numa_available` return code checks
* Tests: Fix abi conflict test when building with clang
* Fix: Build examples when rpath is stripped from in-build-tree libs
* ust-abi: Clarify "size" field comment
* Introduce extension points for trace hit counters
* Re-introduce sync vs unsync enablers
* Remove ctx from struct lttng_event_enabler_common
* Remove event context dead code
* Refactoring: combine common code in lttng_event_enabler_match_event
* Refactoring: combine common code in lttng_event_enabler_event_desc_key_match_event
* Refactoring: combine common code in lttng_event_register_to_sessiond
* Refactoring: move event id field to lttng_ust_event_session_common_private
* Protocol bump from 9 to 10
* Refactoring: combine common code into lttng_ust_event_create
* Refactoring: introduce lttng_event_enabler_event_desc_key_match_event
* Refactoring: use lttng_get_event_list_head_from_enabler in event create
* Refactoring: lttng_create_all_event_enums common code
* Refactoring: event create use lttng_get_event_ht_from_enabler
* Refactoring: event create common code
* Refactoring: introduce lttng_event_register_to_sessiond
* Refactoring: move notify socket get lower in create functions
* Refactoring: cleanup event create functions
* Refactoring: common code in _lttng_event_destroy
* Refactoring: introduce lttng_ust_event_alloc and lttng_ust_event_free
* Refactoring: combine common code into lttng_sync_event_list
* Refactoring: introduce lttng_get_event_enabled_state
* Refactoring: introduce lttng_event_sync_capture_state
* Refactoring: introduce lttng_event_sync_filter_state
* Refactoring: combine common code into lttng_event_enabler_ref_events
* Refactoring: introduce lttng_get_event_ht_from_enabler and lttng_get_event_list_head_from_enabler
* Refactoring: combine notifier and session-common hash table types
* Refactoring: move list node to common event structure
* Refactoring: move name_hlist_node field to common event structure
* Refactoring: move list node to common enabler structure
* Refactoring: introduce lttng_event_enabler_init_event_capture
* Refactoring: introduce lttng_event_enabler_init_event_filter
* Refactoring: Use lttng_event_enabler_match_event for event notifier
* Refactoring: combine common code into lttng_create_event_if_missing
* Refactoring: move duplicate check into lttng_event_notifier_create
* Refactoring: combine recorder/counter common code in lttng_create_event_if_missing
* Refactoring: introduce lttng_ust_event_create
* Refactoring: combine common code into lttng_event_enabler_attach_exclusion
* Refactoring: combine common code into lttng_event_enabler_attach_filter_bytecode
* Refactoring: combine event enabler enabler/disable common code
* Introduce backward compatibility protocol for error counters
* Remove LTTNG_UST_ABI_KEY_TOKEN_STRING_LEN_MAX from ust ABI
* Cleanup: combine duplicated communication error handling
* Fix communication protocol: ensure extensibility of counter commands
* Implement extensible LTTNG_UST_ABI_COUNTER_EVENT protocol command
* Cleanup: reorganize ust-abi.h declarations
* Implement Trace Hit Counters
* Truncate aggregation sum to fit map bitness
* __lttng_counter_add: skip effect-less code when global_sum_step=0
* Fix: libcounter: __lttng_counter_add global sum step alloc vs sync mixup
* Temporarily Revert "Introduce sync vs unsync enablers"
* Fix: test_benchmark: do not match "CPU(s) scaling MHz:"
* ust-fd: Add close_range declaration
* Rename "tsc" to "timestamp"
* docs: Correct GitHub URLs in lttng-ust.3
* fix: handle EINTR correctly in get_cpu_mask_from_sysfs
* Introduce LTTNG_UST_MAP_POPULATE_POLICY environment variable
* Add close_range wrapper to liblttng-ust-fd.so
* docs: Add supported versions and fix-backport policy
* docs: Add cases in which tracepoints in ctors/dtors may not work
* ust-tracepoint-event: Add static check of sequences length type
* lttng-ust(3): Fix wrong len_type for sequence
* python: log exception details when agent thread cannot start
* Fix: python lttngust agent fails when LTTNG_UST_APP_PATH is not set
* Add initial support for the multiple LTTNG_UST_APP_PATHs
* Fix java client connection path when LTTNG_UST_APP_PATH is set
* Introduce LTTNG_UST_APP_PATH environment variable
* Rename "global" sock_info field to "multi_user"
* Fix: libc wrapper: use initial-exec for malloc_nesting TLS
* Tests: implement REUSE with SPDX identifiers
* doc: implement REUSE with SPDX identifiers
* include: implement REUSE with SPDX identifiers
* src: implement REUSE with SPDX identifiers
* fix: invoke MKDIR_P before changing directories
* docs: Update contributing guide
* Build system: implement REUSE with SPDX identifiers
* Disallow building static librairies
* fix: -Wsingle-bit-bitfield-constant-conversion with clang16
* Revert "Add support for LTTNG_UST_HOME"
* Revert "Cleanup: remove leftover comment"
* Cleanup: remove leftover comment
* fix: clean java inner class files in examples
* Cleanup: remove whitespaces at EOL in lttng-ust.pc.in
* Add support for LTTNG_UST_HOME
* Log path used in connection attempts
* Introduce sync vs unsync enablers
* Fix: misaligned urcu reader accesses
* ustfork: Initialize libc pointers in constructor
* ustfork: Fix warning about volatile qualifier
* ustfork: Fix possible race conditions
* Fix: tracepoint: Remove trailing \ at the end of macro
* Show python agent install output in verbose builds
* fix: python agent: use stdlib distutils when setuptools is installed
* fix: python agent: install on Debian python >= 3.10
* fix: python agent: Add a dependency on generated files
* python: use setuptools with python >= 3.12
* Fix: segmentation fault on filter interpretation in "switch" mode
* Fix: `ip` context is expressed as a base-10 field
* Fix: c99: use __asm__ __volatile__
* Fix: c99: static assert: clang build fails due to multiple typedef
* Fix: Reevaluate LTTNG_UST_TRACEPOINT_DEFINE each time tracepoint.h is included
* Fix: trace events in C++ constructors/destructors
* Fix: trace events in C constructors/destructors
* Fix: use unaligned pointer accesses for lttng_inline_memcpy
* ust-ctl: allow runtime version checks
* dynamic-type: remove underscore prefix from mapping names
* Relicense common/smp.c common/smp.h to MIT
* Fix: bytecode validator: reject specialized load field/context ref instructions
* Fix: bytecode validator: reject specialized load instructions
* Fix: event notification capture: validate buffer length
* Fix: event notification capture error handling
* Fix: lttng-ust-comm: wait on wrong child process
* fix: 'make dist' without javah
* cleanup: remove stale comment
* Fix: disable array/sequence compile-time type check in C
* Fix: add missing tracelog-internal.h to makefile
* lttng_ust_init_thread: call urcu_register_thread
* lttng_ust_init_thread: initialise cached context values
* Improve tracef/tracelog to use the stack for small strings
* fix: add missing closedir in _get_max_cpuid_from_sysfs()
* Add more unit tests for possible_cpus_array_len
* Clarify terminolgy around cpu ids and array length
* fix: Unify possible CPU number fallback
* fix: removed accidental VLA in _get_num_possible_cpus()
* Fix: file descriptor leak in get_possible_cpu_mask_from_sysfs
* Add unit tests for num possible cpus
* fix: num_possible_cpus() with hot-unplugged CPUs
* fix: Disable warnings for GNU extensions on Clang
* fix: clang warning '-Wnull-pointer-subtraction' in lttng_ust_is_pointer_type
* Fix: Use negative value for error code of lttng_ust_ctl_duplicate_ust_object_data
* Fix: sessiond wait futex: handle spurious futex wakeups
* tracepoints: increase dlopen failure message level from debug to critical
* Document ust lock async-signal-safety
* Fix: don't use strerror() from ust lock nocheck
* Fix: remove non-async-signal-safe fflush from ERR()
* Fix: Pointers are rejected by integer element compile time assertion for array and sequence
* Fix: statedump: invalid read during iter_end
* Cleanup: tracepoint event: use different prefixes for provider and event descriptors
* Fix: bytecode interpreter context_get_index() leaves byte order uninitialized
* fix: __STDC_VERSION__ can be undefined in C++
* Fix: sample discarded events count before reserve
* Fix: ring buffer event counter
* Fix: concurrent exec(2) file descriptor leak
* Add LOG4J2 domain to the Log4j 2.x agent
* Add 'domain' parameter to the Log4j 2.x agent
* fix: Convert custom loglevels in Log4j 2.x agent
* fix: coverity reported null returns in Log4j2 agent
* Fix: ustcomm: serialize variant_nestable type
* Add a Log4j 2.x Java agent
* Fix: may be used uninitialized on powerpc
* Properly capture java variables at configure
* Add basic Eclipse setup for log4j
* Fix: doc/examples/java-log4j: fix paths to directories
* Fix: doc/examples/java-jul: fix paths to directories
* Copyright ownership transfer
* Fix: ust-compiler: constructor/destructor build on g++ 4.8
* ust-compiler: constructor/destructor whitespaces layout and macro dependency
* Fix: ust-cancelstate: include string.h for strerror
* Fix: libnuma is prepended to LIBS
* fix: Allow disabling some abi compat tests
* Fix: generate probe registration constructor as a C++ constuctor
* Fix: nestable pthread cancelstate
* Fix: abort on decrement_sem_count during concurrent tracing start and teardown
* fix: allocating C++ compound literal on heap with Clang
* Check for C++11 when building C++ probe providers
* fix: liblttng-ust-fd async-signal-safe close()
* tracepoints: print debug message when lttng-ust-tracepoint.so is not found
* Fix: static_assert unavailable with glibc < 2.16
* Fix: combined tracing of lttng-ust 2.12/2.13 generates corrupted traces
* doc/man: Document LTTNG_UST_ABORT_ON_CRITICAL variable
* fix: remove autoconf features default value in help message
* Add 'pid' to socket peercred on FreeBSD
* cleanup: spelling in java agent error message
* cleanup: spelling fixes in comments
* Fix: add extern "C" to two header files
* Documentation: clarify API backward compatibility comment
* doc/man: only mention `-llttng-ust-common` in synopses (conditionally)
* doc/man: remove vtracef() and vtracelog() manual pages
* Remove vtracelog and vtracef from v0 compat API
* Set version to 2.14-pre
* Add serialized ABI definition files
* doc/man: document LTTng-UST 2.13
* doc: add -llttng-ust-common to linking cmd in manpages
* doc: xmlto output to stdout on a verbose build
* Cleanup: remove useless lttng_ust_probe_supports_event_notifier
* fix: disable some abi conflict tests on FreeBSD
* Fix: handle leak in abi tests
* Fix: ustcomm: application name uses the '-ust'-suffixed thread name
* Add abi0 conflict tests
* Detect unsupported use of .so.0 and .so.1 libraries within same process
* Add critical log level
* Fix: shutdown communication socket on -EINVAL
* Fix: lttng-ust control protocol handling of variable length command data
* ustcomm: implement shutdown API
* Fix: add missing fields in struct lttng_ust_abi_channel_config
* Fix: liblttng-ust-ctl: keep using lttng-ust-sock-8 and lttng-ust-wait-8 filenames
* liblttng-ust-ctl: Implement SIGBUS handling
* Fix: Java application context: pass application context argument to callbacks
* Fix: java application context segmentation fault
* Add api0 compile tests
* Move current compile tests to 'api1'
* fix: namespacing of 'tp_rcu_read_lock'
* Validate provider version for event enum field types
* Validate provider version for event class
* Add probe descriptor field to enum and event class
* Refactoring: tracepoint: allow explicit tracepoint instance provider name
* Fix: rename struct lttng_bytecode_runtime to struct lttng_ust_bytecode_runtime
* Remove unused ip field from struct lttng_ust_ring_buffer_ctx_private
2021-04-23 (National Take a Chance (on me ?) Day) lttng-ust 2.13.0-rc1
* Set the 2.13 release codename and description
* sequence type: use previous field for length if length_name is NULL
* tracepoint: Declare tracepoint module register/unregister API
* configure: fix printing a description containing a comma
* Rename lttng_ust_tracepoint_(un)register_lib
* Rename lttng_ust_tracepoint_probe_(un)register
* Move pkgconfig file to 'src/lib/'
* Move the ringbuffer and counter clients to 'src/common/'
* Move the getcpu plugin implementation to liblttn-ust-common
* Move the clock plugin implementation to liblttng-ust-common
* Make futex compat internal to liblttng-ust
* Move dynamic-type to libcommon
* Move lttng_ust_enum_get_from_desc to libcommon
* Move lttng_ust_strerror to liblttng-ust
* Expose a common alloc_tls for liblttng-ust-common
* Rename all 'fixup_tls' functions to 'alloc_tls'
* Hide symbols that shouldn't be part of the ABI
* Hide internal tracepoint and providers data symbols
* tracepoint: introduce macros to hide tracepoint/provider symbols
* Namespace liblttng-ust-ctl symbols
* Prefix public header include guards with LTTNG_UST_
* fix: missing prefix LTTNG_UST_ for FLOAT_WORD_ORDER on FreeBSD
* Cleanup: probe function: use __ prefixed identifiers for local variables
* API refactoring: introduce probe context
* Fix: move compat macros for tracepoint probes to ust-tracepoint-event.h
* Remove unused tp_list_for_each_entry_rcu
* Tracepoint API namespacing ctf_enum
* Tracepoint API namespacing ctf_unused
* Tracepoint API namespacing ctf_string
* Tracepoint API namespacing ctf_sequence
* Tracepoint API namespacing ctf_array
* Tracepoint API namespacing ctf_float
* Tracepoint API namespacing ctf_integer
* Tracepoint API namespacing tracepoint-rcu
* Tracepoint API namespacing ust-endian
* Tracepoint API namespacing tracelog
* Tracepoint API namespacing tracef
* Tracepoint API namespacing '__lttng_ust_events_exit'
* Tracepoint API namespacing '__lttng_ust_events_init'
* Tracepoint API namespacing '__lttng_ust_probe_register_cookie'
* Tracepoint API namespacing '__probe_register'
* Tracepoint API namespacing '__probe_desc'
* Tracepoint API namespacing '_TP_EXTRACT_STRING'
* Tracepoint API namespacing '__get_dynamic_len'
* Tracepoint API namespacing 'TP_IP_PARAM'
* Tracepoint API namespacing 'TP_SESSION_CHECK'
* Tracepoint API namespacing '__tp_stringify'
* Tracepoint API namespacing '__event_'
* Tracepoint API namespacing '_tp_max_t'
* Tracepoint API namespacing '_TP_ARRAY_SIZE'
* Tracepoint API namespacing '__LTTNG_UST_NULL_STRING'
* Tracepoint API namespacing 'TP_ENUM_VALUES'
* Tracepoint API namespacing 'TRACEPOINT_PROVIDER'
* Tracepoint API namespacing 'TRACEPOINT_INCLUDE'
* Tracepoint API namespacing 'TRACEPOINT_HEADER_MULTI_READ'
* Tracepoint API namespacing 'TRACEPOINT_CREATE_PROBES'
* Tracepoint API namespacing 'TRACEPOINT_MODEL_EMF_URI'
* Tracepoint API namespacing 'TRACEPOINT_LOGLEVEL'
* Tracepoint API namespacing 'TRACEPOINT_ENUM'
* Tracepoint API namespacing 'TRACEPOINT_DEFINE'
* Tracepoint API namespacing 'tracepoint_(un)register'
* Tracepoint API namespacing '__tp_provider' and '__tp_name'
* Tracepoint API namespacing 'TRACEPOINT_PROBE_DYNAMIC_LINKAGE'
* Tracepoint API namespacing ctor, dtor and sections
* Tracepoint API namespacing '_TP_NARGS'
* Tracepoint API namespacing '_TP_EXPROTO'
* Tracepoint API namespacing '_TP_EXDATA'
* Tracepoint API namespacing '_TP_EXVAR'
* Tracepoint API namespacing '_TP_COMBINE_TOKENS'
* Tracepoint API namespacing 'LTTNG_UST_SDT'
* Tracepoint API namespacing '__tracepoint_'
* Tracepoint API namespacing 'tracepoint_destructors_syms'
* Tracepoint API namespacing 'tracepoint_dlopen'
* Tracepoint API namespacing 'TRACEPOINT_EVENT'
* Tracepoint API namespacing 'TP_FIELDS'
* Tracepoint API namespacing 'TP_ARGS'
* Introduce API compatibility macros
* tracepoint: split provider and event name
* lttng-gen-tp: no linker flags when compiling .o
* Fix warnings on FreeBSD
* Add glibc gettid to wrapper
* ust-events.h API const-ness
* Hide lttng_ust_elf symbols
* Disable strict-aliasing globally
* configure: enable extended compiler warnings
* Fix warnings on non-x86_64 systems
* Remove -Wsystem-headers from tests
* Initialize liblttng-ust-common in dependent libraries
* Internal logging lazy-initialization
* getenv: make getenv helper init state mt-safe
* Remove duplicated 'smp' code
* Move liblttng-ust-pthread-wrapper to 'src/lib/'
* tracepoint: validate provider/event name length with static assert
* Rename ringbuffer-context.h to ust-ringbuffer-context.h
* Rename LTTNG_ALLOCATE_COMPOUND_LITERAL_ON_HEAP to add LTTNG_UST_ prefix
* Rename lttng_ust_lib_ring_buffer to lttng_ust_ring_buffer
* Remove unused ringbuffer-abi.h public header
* tracepoint: namespace systemtap UST macros with LTTNG_UST_ prefix
* Rename LTTNG_TP_EXTERN_C to LTTNG_UST_TP_EXTERN_C
* Rename __LTTNG_COMPOUND_LITERAL to LTTNG_UST_COMPOUND_LITERAL
* lttng_ust_static_assert: remove extra semicolons
* Fix: statedump init/exit namespacing
* Namespace tracepoint probes init/exit under lttng_ust_
* Namespace lttng_static_assert to lttng_ust_static_assert
* notification_send callback takes const event_notifier parameter
* run_filter callback takes const event parameter
* Fix: perform lazy initialization of getenv common lib
* fix: remove unused include wait.h
* Cleanup: use desc variable rather than deeply nested desc pointer
* cleanup: LTTNG_METADATA_TIMEOUT_MSEC defined twice
* Move liblttng-ust-tracepoint to 'src/lib/'
* Move liblttng-ust-common to 'src/lib/'
* Move string-utils.h to 'src/common/'
* Move ns.h to 'src/common/'
* Move lttng-hash-helper.h to 'src/common/'
* Move error.h to 'src/common/'
* Move jhash.h to 'src/common/'
* Move creds.h to 'src/common/'
* Move futex wrapper to 'common/compat/'
* Split ust-events-internal.h between common and liblttng-ust
* Move getenv to libcommon
* Move getcpu.h to 'lib/lttng-ust/'
* Split the common part of clock.h
* Move wait.h to 'src/common/'
* Rename internal ust_err to lttng_ust_logging
* Move liblttng-ust to 'src/lib/'
* cleanup: convenience libs at root of 'src/common/'
* Split and move compat.h to 'common/compat/'
* Move the mmap wrapper to 'common/compat/'
* Move libustcomm to 'src/common/'
* Move fd-tracker to liblttng-ust-common
* Move libringbuffer to 'src/common/'
* Move libcounter to 'src/common/'
* Move liblttng-ust-ctl to 'src/lib/'
* Move liblttng-ust-java* to 'src/lib/'
* Move liblttng-ust-dl to 'src/lib/'
* Move liblttng-ust-fd to 'src/lib/'
* Move liblttng-ust-cyg-profile to 'src/lib/'
* Move liblttng-ust-libc-wrapper to 'src/lib/'
* Move liblttng-ust-python-agent to 'src/lib/'
* Fix: event notifier group context leak
* Fix: perf counter context: leak event field structure
* Document nested type alignment field
* Move msgpack to libcommon
* Add an internal 'libcommon' for utils
* Move internal headers to 'src/' dir
* Add 'src' dir to global include path
* Move all sources to 'src/'
* Fix: pass private data to context callbacks
* Fix: app contexts: do not leak app context name, event field, context field
* Remove TRACEPOINT_INCLUDE_FILE undef
* Remove TRACEPOINT_INCLUDE_FILE macro
* Remove app context backward compatibility dead code
* Cleanup: Unaligned vs aligned ring buffer access comment
* Update unaligned vs aligned ring buffer access comment
* Refactoring: add back constness of public API structures
* Add 'ctf_unused' tracepoint field type
* cleanup: explicitly mark unused parameters (-Wunused-parameter)
* cleanup: rename template headers
* fix: string constants (-Wwrite-strings)
* fix: all functions have declarations (-Wmissing-prototypes -Wold-style-definition)
* cleanup: function attribute 'always_inline'
* cleanup: function attribute 'hidden'
* cleanup: function attribute 'no_instrument_function'
* cleanup: function attribute 'destructor'
* cleanup: function attribute 'constructor'
* cleanup: function attribute 'unused'
* tests: benchmark: improve benchmark scalability accuracy
* tests: benchmark: use cpu-bound workload, calculate average and std.dev.
* tests: improve benchmark script
* cleanup: function attribute 'format'
* Fix: liblttng-ust-ctl: missing ring buffer and counter clients init/exit symbols
* New API: lttng_ust_init_thread() for async-signal tracing
* fix: redundant decl of channel_destroy (-Wredundant-decls)
* Fix: tls-compat with hidden ring buffer context
* Fix: tls-compat with hidden ring buffer context
* Refactoring: hide internal fields of ring buffer context
* Move private ABI counter client symbols to dedicated header
* fix: add fallthrough annotations (-Wimplicit-fallthrough)
* fix: add format attribute to relevant functions (-Wsuggest-attribute=format)
* fix: use proper format specifiers in tests (-Wformat)
* fix: shadowed local variable in macros (-Wshadow)
* fix: size_t is unsigned, can't be negative
* Import libtap from babeltrace
* Add unit tests for utils macros
* Add a C++ version of lttng_ust_is_signed_type
* fix: int8_t is not considered an integer
* Add unit tests for lttng_ust_strerror
* Re-implement lttng_ust_strerr
* Namespace 'lttng_alignof' to 'lttng_ust_rb_alignof'
* Namespace remaining symbols in lttng/ringbuffer-context.h
* Python agent lib soname major bump
* Introduce SONAME defines
* Namespace ust-fork symbols
* Namespace RING_BUFFER_ALIGN macros
* cleanup: Remove redefinition of CHAR_BIT
* cleanup: Namespace public utils macros
* tracepoint probe refactoring: Move provider name to provider descriptor
* Refactoring: remove ring buffer channel pointer from struct lttng_ust_channel_buffer
* API cleanup: Remove handle from struct lttng_ust_channel_buffer
* Remove handle field from ring buffer context
* ring buffer context: cpu number becomes an output of reserve
* Fix: truncation of text array and sequences by NULL terminator
* Cleanup: use "char" type for padding
* compiler warning cleanup: is_signed_type: compare -1 to 1
* Rename struct lttng_ust_channel_ops to struct lttng_ust_channel_buffer_ops
* fix: Group Targets requires GNU Make >= 4.3
* clock override: introduce getter API for lttng tools
* ust-abi: add missing lttng_ust_abi prefixes
* fix: java detection is optional
* fix: use configured python when building the examples
* ABI refactoring: sequence and array of text: copy input as string
* cleanup: don't copy lttng-gen-tp in OOT builds
* configure: convert the remaining tab indent to spaces
* configure: regroup autoconf substituted variable
* configure: regroup automake conditionals
* configure: regroup C defines
* Introduce AE_FEATURE to manage configure features
* configure: regroup os and arch specific defaults
* configure: regroup library checks
* configure: regroup program checks
* configure: regroup C header checks
* configure: regroup and expand C compiler checks
* configure: Introduce macro ae_in_git_repo
* configure: centralize version information
* Use a single macro to configure CXX
* fix: use the configured cmake binary
* configure: standardize automake conditional names
* Centralize arch detection in a public header
* Set the default ust constructor timeout in the headers
* fix: don't override the project wide AM_CPPFLAGS
* Add basic shell tests script framework
* Simplify python agent build
* port: update pthread get/set name compat
* Fix: bytecode linker: validate event and field array/sequence encoding
* Validate match of all session channel's UUID
* Cleanup: Remove whiteline
* Cleanup: align private header comments
* Cleanup: remove old comments
* Refactoring and fix: bytecode ABI
* Bytecode: update documentation
* Refactoring: bytecode interpreter ABI
* Fix: java agent: migrate to new channel structures
* Move event context to private structures
* Move channel context to private structures
* Refactoring: Channel structures
* struct lttng_channel: split protocol ABI from instrumentation ABI
* Remove the LTTNG_PACKED macro
* Move public tracepoint definition headers to 'lttng/tp'
* Namespace lttng/align.h as lttng/ust-align.h
* Namespace lttng/bug.h as lttng/ust-bug.h
* Namespace enum lttng_ust_bytecode_interpreter_ret flags with lttng_ust_ prefix
* Namespace _float_mant_dig with lttng_ust_ prefix
* Namespace enumeration structures/enum with lttng_ust_ prefix
* ust-elf.h should be private, with public symbols
* counter-config.h should be private
* Fix: perf counters context: error handling on type allocation
* Fix: lttng_ust_destroy_type: add missing free() for compound types
* Fix: missing field name refactoring in java agent
* Fix: replace ringbuffer-config.h by ringbuffer-context.h include
* Add missing ringbuffer-context.h
* Refactoring: Privatize ring buffer config header
* Refactoring: Introduce extensibility scheme for tracepoint structures
* Clean-up: ustctl: adapt comment to use new ABI name
* Fix: ustctl: leak of event notifier data on communication error
* Refactoring: UST types public interfaces
* Refactoring: remove struct_size from struct lttng_ust_ctx_value
* Refactoring: struct lttng_ust_channel_ops
* Hide forward declaration of struct lttng_event_notifier_group
* Namepace struct lttng_session with lttng_ust_ prefix
* Cleanup: public type macros coding style
* Cleanup: Add whitelines after struct_size fields
* Refactoring: context structures
* cleanup: add comments to lttng/ust-endian.h
* Namespace 'struct channel' under 'lttng_ust_lib_ring_buffer_'
* Move context types to private header
* Move lttng_ust_dl_update to private ABI
* Namespace private ABI lttng_transport_find symbol
* Hide private lttng_session_active symbol
* Namespace lttng_context_procname_reset public symbol
* Remove LTTNG_HIDDEN macro
* Hide or namespace the remaining tracepoint internal symbols
* Refactoring: struct lttng_stack_ctx
* Refactoring: struct lttng_bytecode_runtime
* Move hash tables to internal header
* Cleanup: add whiteline after struct_size field
* Move struct lttng_counter_ops to internal header
* Move struct lttng_enum to internal header
* Refactoring: struct lttng_channel_ops
* Refactoring: struct lttng_enum_desc and lttng_enum_entry
* Refactoring: struct lttng_event_field
* Refactoring: struct lttng_event_desc and lttng_probe_desc
* Document public event and session structures
* Document public event structures
* Refactoring: combine event recorder and notifier callback functions
* Introduce event type field in common structure
* Refactor struct lttng_ust_lib_ring_buffer_ctx
* Combine common recorder/notifier functions to lttng_free_event_filter_runtime
* Rename struct lttng_event_notifier to struct lttng_ust_event_notifier
* Refactoring: namespace ust-abi.h content under regular prefix
* Refactor event notifier structure
* Rename struct lttng_event_common to struct lttng_ust_event_common
* Rename struct lttng_event to struct lttng_ust_event_recorder
* Introduce common event structure
* Fix: bytecode linker: iteration on wrong list head
* Fix: re-introduce basic type serialization functions
* Remove array, sequence, enum, struct legacy types
* Add structure size field to struct lttng_session
* Add structure size field to struct lttng_event
* Refactoring: introduce session private structure
* Refactoring: introduce bytecode runtime private structure
* Refactoring: introduce event private structure
* Namespace tracepoint_init and tracepoint_exit
* Remove lttng_ust_synchronize_trace public symbol
* Hide remaining tracer core private symbols
* Expose liblttng-libc-wrapper malloc ctor in public header
* Hide private context utils symbols
* Add missing doc/man/vtracelog.3 to gitignore
* tracef-tracelog-limitations.txt: take variadic variant into account
* tracef.3.txt/tracelog.3.txt: always take variadic variants into account
* doc/man/Makefile.am: handle vtracef(3) and vtracelog(3) correctly
* tracelog.3.txt: add `vtracelog` to the "NAME" section
* lttng-ust(3): reorganize the "Context information" section
* Hide tls fixup private symbols
* Hide ust_lock private symbols
* Hide strutils private symbols
* Hide lttng_ust_statedump private symbols
* Hide print_op private symbol
* Hide lttng_ust_getenv private symbols
* counter: shrink down number of dimensions to 4
* counters: add coalesce_hits to control API and protocol
* liblttng-ust-fd doesn't use the internal logging system
* Make 'lttng/ust-error.h' official API
* Drop unused typedef t_statedump_func_ptr from API
* README: lttng-ust does not depend on liburcu at runtime anymore
* Move ust-events.h private structs to internal
* Move ust-events.h private functions to internal
* Remove forward decl for unused 'struct lttng_ust_context_app'
* Move 'struct lttng_enabler' to private headers
* Move 'enum lttng_client_types' to private headers
* Move context symbols to private header
* Remove leftover symbols from liburcu-bp compat
* Remove unused ring buffer client callbacks symbols
* Remove ring buffer client callbacks from public headers
* Move lttng_ust_fixup_fd_tracker_tls to private header
* Move perf counter symbols to private header
* Bump liblttng-ust-ctl soname major to 5
* fix: trailing backslash in include/Makefile.am
* Document why the fd tracker is ABI without a public header
* Delete unused private header ust-ctl-private.h
* Hide private usterr-signal-safe.h symbols
* Move internal elf macros to a private header
* Move compat macros in 'lttng/align.h' to a private header
* Make 'lttng/bitmap.h' a private header
* Hide libringbuffer private symbols
* Hide private snprintf symbols
* Hide private ust-comm.h symbols
* Hide private ust-snprintf.h symbols
* Hide private share.h symbols
* Hide private ust-dynamic-type.h symbols
* Document why context provider is ABI without a public header
* Use 'ust-' prefix for all global private headers
* Move private headers out of 'lttng/' public header dir
* Fix: lttng_event_notifier_group_error_counter_cmd does not respect caller convention
* Move to kernel style SPDX license identifiers
* fix: unix socket peercred on FreeBSD
* Fix: uninitialized variable in lib_ring_buffer_channel_switch_timer_start
* Fix: "Cleanup: clarify bytecode ownership"
* Fix: Use unix socket peercred for pid, uid, gid credentials
* Move and hide new 'lttng_ust_counter_create' private symbol
* Move and hide new time_ns private symbols
* Move and hide new 'lttng_counter_transport_*' private symbols
* Hide new 'lttng_counter_client_percpu_*' private symbols
* Hide new 'ustcomm_recv_*' private symbols
* Hide new 'lttng_ust_lfht_*' private symbols
* Hide new 'lttng_release_event_notifier_group_error_counter' private symbol
* Hide new 'lttng_fixup_time_ns_tls' private symbol
* Hide new 'lttng_counter_*' private symbols
* Hide new 'lttng_ust_compat_futex_*' private symbols
* Hide new 'lttng_ust_context_set_event_notifier_group_provider' private symbol
* Hide new 'lttng_bytecode_*' private symbols
* Hide new 'lttng_context_init_all' private symbol
* Hide new 'lttng_counter_*' private symbols
* Hide mew 'lttng_msgpack_*' private symbols
* Hide new 'patient_writev' private symbol
* Remove unused deprecated and backward compatibility fields
* Remove backward compatibility for liburcu-bp
* Cleanup: Remove deprecated symbols following soname major version bump
* Bump soname major to 1
* Fix: memory and fd leaks in error counter
* Cleanup: clarify bytecode ownership
* Cleanup: clarify ownership of excluder
* Fix: event notifier group: fix fd leak on error
* Fix: stream fd leaks on error
* Fix: channel leak on error
* Fix: lttng_abi_map_channel should be static
* Fix: Use default visibility for tracepoint provider symbol
* Fix: configure: support Autoconf 2.70
* Fix: event notifier create protocol order issue
* Fix: lttng-ust 2.13 should not try to use notifiers from 2.12 or prior probes
* Fix: UST comm protocol: event notifier command is too large
* Fix: incorrect parameters passed to vtracelog
* event-notifier: Initialize `_notifier_notification` struct to zero
* Add tests/unit/libmsgpack/test_msgpack to gitignore
* ustctl.h: use enumeration values 0, 1 for bitness
* ust-abi: use 0, 1 for counter enumerations
* Cleanup: ust-abi: BITNESS_{32,64}BITS -> BITNESS_{32,64}
* Cleanup: use tabs in ust-abi.h
* Fix: add struct lttng_event_notifier forward declaration
* Fix: event notifier: notification send should be a callback
* Fix: ust-urcu: allow legacy applications without _LGPL_SOURCE
* Fix: ust-tracepoint: make sure to expand tracepoint provider token
* Fix: notifier: use store-release/load-acquire for error counter
* Fix: event-notifier: Groups may not have an error counter
* ustctl: Initialize counter_conf struct to zero
* cleanup: use <sys/syscall.h>
* port: fix futex_async wrapper namespacing on FreeBSD
* port: use ust-endian.h compat
* Fix: event-notifier: not propagating error counter indexes
* fix: undefined symbols for tracepoints in lgpl source
* Remove runtime dependency on liburcu shared objects
* Fix: handle default switch case with -EINVAL in __lttng_counter_add
* Bump LTTNG_UST_EVENT_NOTIFIER_PADDING to 32 bytes
* Fix: memory leak in apply_context_reloc
* Fix: libcounter bad compare
* Fix: remove dead code in msgpack.c
* Fix: counter: cast UINT*_MAX to 64-bit signed type before negative
* Fix: libcounter: use LTTNG_UST_ALIGN
* Fix: ust-abi: clarify which command is used on which object descriptor
* Implement event notifier error counter
* Implement libcounter
* Implement capturing payload on event notifiers
* bytecode: handle all integer types of dynamic contexts
* bytecode: initialize all contexts on event notifier group creation
* bytecode: Add `OBJECT_TYPE_{UN,}SIGNED_ENUM` type
* Generalize `lttng_enabler_link_bytecode()` bytecode list
* Cleanup: rename `_lttng_filter_link_bytecode()` -> `link_bytecode()`
* Add `interpreter_funcs` to `lttng_bytecode_runtime`
* bytecode: rename `lttng_filter_sync_state()` -> `lttng_bytecode_filter_sync_state()`
* Implement enum and sequence capture serialization functions
* Extract `handle_bytecode_recv()` function
* Rename filter bytecode types and files
* bytecode: generalize `struct lttng_ust_filter_bytecode_node`
* Cleanup: Rename filter functions/fields to mention "filter"
* Add `patient_writev()` function
* Add `libmsgpack` for serializing captures
* bytecode: allow interpreter to return any type
* bytecode: propagate `rev_bo` of element
* bytecode: set register type to `REG_PTR` even if not used
* Add `lttng_bytecode_interpret_format_output()` for top of stack extraction
* bytecode: add `REG_U64` interpreter register type
* Implement event notifier
* Add token to `struct lttng_ust_event`
* Create `_for_each` function to unregister probe providers
* Cleanup: extract function to borrow hashlist bucket
* Decouple `struct lttng_event` from filter code
* Cleanup: hide `lttng_ust_{filter_bytecode,excluder}_node`
* Abstract base `lttng_enabler` to support other types of enablers
* Rename `enum lttng_enabler_type` to `_format_type`
* Decouple `struct lttng_session` from filter code
* port: FreeBSD 12.2 added pthread_setname_np
* port: tests: Add a simple unit test for shm operations
* port: fsync(2) on a POSIX shm fd returns EINVAL on FreeBSD
* port: set shm size with ftruncate before writing
* fix: pass the detected CFLAGS to the C++ compiler
* Cleanup: silent rules are always available in automake >= 1.12
* Cleanup: Use pkg-config to detect liburcu
* tests: Move tap-driver.sh out of the autotools aux directory
* Enable autotools warnings as errors
* Cleanup: separate tests between 'unit' and 'compile'
* Cleanup: Bump autoconf required version to 2.69
* Cleanup: Remove obsolete and unused tests
* fix: pthread_setname_np tests to match compat behavior
* fix: pthread_setname_np fails on longer tread names
* Namespace lttng/align.h macros
* Fix: remove redefinition of _GNU_SOURCE
* Add pthread_setname_np tests
* port: fix pthread_setname_np integration
* Cleanup: standardise include path
* port: no libnuma on FreeBSD
* port: use /bin/sh in test_ust_elf
* port: fix typo 'lttng_ust_safe_closefrom' -> 'lttng_ust_safe_closefrom_fd'
* port: include limits.h first for CHAR_BIT
* port: fix endian and byteswap compat on FreeBSD
* port: Silence macro redefinition warnings on FreeBSD
* port: fix pthread autoconf detection to support FreeBSD
* Set version to 2.13-pre
* Fix: ustctl_release_object: eliminate double-close/free on error
* tests: return the proper TAP exit code
* Add userspace time namespace context
* Use libtool syntax in LDADD
* Add missing files to distribution
* Fix: python agent: 'time' has no attribute 'clock'
* Fix: libc-wrapper: undef temporary token rather than value
* Fix: support compile units including 'sys/sdt.h' without defining SDT_USE_VARIADIC
* Cleanup: have interpreter functions return _DISCARD instead of 0
* Cleanup: bytecode: typo: "s16" -> "u16"
* doc: Explain `struct lttng_bytecode_runtime` layout restrictions
* Fix: event probes attached before event enabled
* Fix: use underlying types for array and sequence assertion
* Add compile time assertion that array and sequence have integer elements
* Implement compile time assertion macro wrapper
* Fix: agent: read: end of loop condition should exclude 0
* fix: Java examples CLASSPATH override
* Add missing files to .gitignore
* fix: Add CLASSPATH to autoconf precious variables
* Fix: Java agent: close session daemon socket on error
* Java agent: Use inequality for read bound check
* Fix: Java agent: handle partial payload read
* Fix: incorrect field accounting for dynamic type
* ust-compiler.h: Allocate compound literals on heap with gcc <= 4.8
* Require C++11 for building probe providers with C++ compiler
* filter: bytecode already in the list should go before
* Bump LTTNG_UST_ABI version from 8.1 to 9.0
* tracepoint: Refactor representation of nested types
* Remove has_strcpy check following probe provider version bump
* Bump LTTNG_UST_PROVIDER_MAJOR from 1 to 2
* ust-compiler.h: Implement __LTTNG_COMPOUND_LITERAL
* Document dependency on liburcu >= 0.12
* configure: add check for DEFINE_URCU_TLS_INIT
* Cleanup: use DEFINE_URCU_TLS_INIT for all CONFIG_RCU_TLS configurations
* Fix: namespace contexts !CONFIG_RCU_TLS variable initialization
* Record event as soon as one filters evaluates to TRUE
* Cleanup: ust-tracepoint-event.h: extract `__num_fields` in a variable
* Fix: v.u.d might be uninitialized
* Fix: Add missing vtracelog demo to make dist
* Fix: Add missing vtracef demo to make dist
* Introduce vtracelog
* Introduce vtracef
* Fix: set FD_CLOEXEC on incoming FDs.
* Fix: tracepoint.h: Disable address sanitizer on pointer array section variables
* Fix: jhash.h: remove out-of-bound reads
* Fix: generation of man pages with multiple refnames
* Cleanup: remove trailing white spaces across project
* Fix: lttng-ust-comm.c: return number of fd rather size of array
* liblttng-ust-comm: move `_unlock_fd_tracker()` after `close()` on error paths
* Cleanup: liblttng-ust: change `int` flag to `bool`
* liblttng-ust: exit loop early on event enabler match
* Cleanup: remove redundant memory barrier
* Cleanup: remove unused `lttng_bytecode_runtime::event` field
* Docs: explain why unused `lttng_enabler::ctx` is kept around
* Cleanup: remove unused `lttng_free_enabler_filter_bytecode()` func
* Cleanup: move unused function to deprecated symbol list
* Cleanup: remove unused `__check_ust_safe_fmt()` function
* Cleanup: silence unused parameter `ps` warning
* Cleanup: apply `include-what-you-use` guideline for `close()`
* Cleanup: apply `include-what-you-use` guideline for `uint*_t`
* Cleanup: apply `include-what-you-use` guideline for `mbstate_t`
* Cleanup: apply `include-what-you-use` guideline for `fpos_t`
* Cleanup: apply `include-what-you-use` guideline for `size_t`
* Cleanup: typo: column -> colon
* Add git-review config
2020-02-05 (National Weatherperson's Day) lttng-ust 2.12.0-rc1
* Fix: build with -fno-common
* Bump LTTNG_UST_ABI_MINOR_VERSION to 1
* lttng-clear: stop tracing required
* doc: fix build failure due to wrong whitespace character
* doc: reformat long lines in doc/examples/Makefile.am
* doc: pass AR when building examples
* Require automake >= 1.12
* Add procname to lttng_ust_statedump information
* Docs: LTTNG-UST(3): missing references to some namespace man pages
* Set version to 2.12-pre
* Add pkgconfig support for liblttng-ust-ctl
* Fix: uninitialized variable in lib_ring_buffer_reserve_committed
* Fix: document proper liburcu version dependency
* Fix: Add missing files to distribution
* Add userspace vuid/vgid contexts
* Add userspace namespace contexts
* Fix: lttng perf counter deadlock
* Revert "Fix: fd tracker: do not allow signal handlers to close lttng-ust FDs"
* Fix: fd tracker: do not allow signal handlers to close lttng-ust FDs
* Fix: fd tracker: provide async-signal-safety for close wrapper
* Fix: Disable cancellation around fd tracker lock
* Fix: Lock FD tracker across fork
* doc/man: include build version in GitHub links
* Check if the AR environment variable exists for cross compilation
* ustctl: Implement ring buffer clear
* Make bitfield.h C++-friendly
* Fix: don't wait for initial statedump when 0 session active
* Fix: wait for initial statedump before proceeding to the main program
* Use MAP_POPULATE to reduce pagefault when available
* Fix: remove uninitialised value
* Fix: GCC unaligned pointer warnings
* Fix: do not use diagnostic pragma when GCC version is lower than 4.6.0
* Fix: missing define when not building with gcc
* Fix: client_sequence_number may dereference NULL pointer
* Fix: namespace our gettid wrapper
* Fix: get tid not pid in vtid context
* Cleanup: bitfields: streamline use of underscores
* Silence compiler "always false comparison" warning
* Fix: bitfield: shift undefined/implementation defined behaviors
* Fix: Update coding style link
* Fix: alignment of ring buffer shm space reservation
* Fix: allocate ts_end in ringbuffer shared memory
* Fix: timestamp_end field should include all events within sub-buffer
* Harmonize rw_prog_cxx_works macro across projects
* Update macros from the autoconf archive
* ust-ctl API: clarify getter usage requirements
* Fix: don't access packet header for stream_id and stream_instance_id getters
* Add LTTNG_PACKED ifdefs to validate that it is defined
* Report perf integration status at configure
* compat: work around broken _SC_NPROCESSORS_CONF on MUSL libc
* Code cleanup in contexts
* doc: remove repeated word in coding style
* tap-driver.sh: flush stdout after each test result
* Move wait_shm_mmap initialization to library constructor
* Fix: additional compiler barriers for procname context
* Fix: procname context async-signal safety
* Cleanup vtid/vpid context caches
* Cleanup: fix typo 'acces' -> 'access'
* Fix: Initialize fd field of struct lttng_ust_elf to -1 at allocation
* Cleanup: test Makefiles
* Add silent mode to examples Makefiles
* Add silent rules support for docs
* Use config.h to define SONAME major number
* Use a variable to select the dlopen lib in Makefiles
* Add hello-many to gitignore
* Adapt lttng-ust to use multiflavor symbols from liburcu 0.11
* Clarify lib_ring_buffer_switch_slow() requirements
* tests: hello-many
* Fix: sync event enablers before choosing header type
* Fix: address shellcheck warnings/errors in example scripts
* Fix: check for event class/instance prototype mismatch
* Fix: race between statedump and library destructor
* Fix: reset procname on fork in child process
2018-09-06 (Fight Procrastination Day) lttng-ust 2.11.0-rc1
* Fix: add missing stdbool.h include
* Move symbol preventing unloading of probe providers
* Fix: Remove unused line from liblttng-ust-fd makefile
* Fix: add liblttng-ust dependency to liblttng-ust-fd
* Fix: use LIBDL/LIBC_DL to select either libdl or libc
* Fix: lttng filter validator ERANGE error handling
* Filter: implement dynamic typing for load object
* Filter: add FILTER_OP_RETURN_S64 instruction
* Perform bitwise ops on unsigned types
* Filter: catch shift undefined behavior
* Filter: implement bitwise lshift, rshift, not
* Filter: index array, sequences, implement bitwise binary operators
* Fix: AM_CONDITIONAL should be outside AS_IF block
* Fix: build jni libs with openjdk >= 10
* Fix: ustfork: save and restore errno in syscall wrappers
* Fix: cache the result of getpid() internally
* Fix: reset cached vpid context on fork
* Fix: build example SO when PIE is enabled
* Fix: string comparison on incorrect length in context provider
* Support unloading of probe providers
* Rename lttng_ust_enum_get to lttng_ust_enum_get_from_desc
* dlopen() liblttng-ust.so from constructor to prevent unloading
* Add probe provider unregister function
* Cleanup: Move version numbers in separate variables in configure script
* Remove duplicate provider name checks
* Fix: remove for() loop initial declarations
* Use ust_lock during sock_info operations for atomicity against fork
* Force tracked fd to be bigger than STDERR_FILENO
* Fix: numa: dynamically check that numa is available
* Fix: specify SONAME in python-lttngust LoadLibrary
* Fix: ensure fd tracker is initialized when called from constructors
* Fix: fd of an elf object must be registered to the fd tracker
* Cleanup: clock description for metadata was moved to lttng-sessiond
* Fix: liblttng-ust-fd.so: override fclose symbol
* Revert "Use initial-exec TLS model"
* Revert "Fix: typo: DECLARE_URCU_TLS_IE -> DEFINE_URCU_TLS_IE"
* configure.ac: add --disable-examples option to not build/install examples
* Disable NUMA by default on 32bit arm
* Update Makefile.am output about libnuma not found
* Update readme to document opt dep on numa
* numa support: allow disabling numa support
* Update README to document dependency on libnuma
* Take NUMA configuration into account for UST buffer allocation
* Fix: typo: DECLARE_URCU_TLS_IE -> DEFINE_URCU_TLS_IE
* Use initial-exec TLS model
* lttng-gen-tp: formatting
* Fix: lttng-gen-tp: only replace file extension
* Fix: move fsync after ftruncate
* Fix: sync buffer file metadata on buffer allocation
* lttng-ust(3): reword and fix style of `LTTNG_UST_ALLOW_BLOCKING` variable
* lttng-ust(3): specify "If set" instead of "if set to 1" for some variables
* Fix: doc/man: use a single XSL file and match local names
* Fix: Expand the shmobj size for the sequence number
* Introduce LTTNG_UST_ALLOW_BLOCKING env. var.
* Fix: lttng-ust-elf.c: define NT_GNU_BUILD_ID if not defined
* Calculate context length outside of retry loop
* Fix: Quote CMAKE variable assignment in Makefile
* Rework configure script
* Fix: Typo in doc/examples/Makefile.am
* Fix: Don't override user variables within the build system
* Move m4 scripts to m4 dir
* doc: remove duplicate LTTNG_UST_BLOCKING_RETRY_TIMEOUT man page entry
2017-05-05 (International Tuba Day) lttng-ust 2.10.0-rc1
* Clean-up: remove unused variables to silence gcc warning
* Add ustctl_snapshot_sample_positions ustctl command
* Cleanup: formatting in strutils_star_glob_match explanation
* doc/man: add typical `$` and `#` prompts to command lines
* Fix: add missing getenv.h include to ustctl.c
* Fix: race between lttng-ust getenv() and application setenv()
* Use SIZE_MAX instead of -1ULL for size_t parameter
* filter: use SIZE_MAX rather than UINT_MAX and tuncating -1ULL
* Fix: out of bound array access in filter code
* Correctly clean all generated JAR files
* Fix: List missing file in Java agent's Makefile
* Support generic globbing patterns in the Java agent
* Log more information in the Java TCP client
* Cleanup: Remove unused import in JUL Java agent
* Add support for star globbing patterns in event names
* Filtering: add support for star-only globbing patterns
* Add string utilities
* Fix: (un)install targets of Python agent
* Fix: include config.h to resolve HAVE_DLMOPEN
* Validate the presence of dlmopen at configure time
* Fix: CMake examples integration
* doc/examples/Makefile.am: define C and C++ compilers for CMake
* lttng-ust(3): document `lttng_ust_loaded` symbol
* lttng-ust(3): document `perf:thread:raw:rN:NAME` context
* lttng-ust-dl(3): update documentation
* lttng-ust(3): document liblttng-ust-fd
* doc/man: document the lttng_ust_lib events
* doc/man: add full stop to descriptive table cells
* doc/man: reorganize source for tables
* lttng-ust(3): sort ctf_*() macro parameter definitions
* lttng-ust(3): fix alignment and indentation
* lttng-ust(3): document new ctf_*() array/sequence network/hex macros
* Filter code relicensing to MIT license
* Performance: add missing "caa_unlikely" on fast-path
* Fix: blocking mode: add missing stdbool.h include
* Implement LTTNG_UST_BLOCKING_RETRY_TIMEOUT
* Fix: loglevel and model_emf_uri build fix
* Fix: loglevel and model_emf_uri with g++ compiled probes
* Fix: Out of tree build of liblttng-ust-java
2016-10-07 (National Frappé Day) lttng-ust 2.9.0-rc1
* Fix: cmake example with configure based oot build
* Fix: perform statedump before replying to sessiond
* build: check for CXX_WORKS for cmake example
* Implement liblttng-ust-fd
* Introduce file descriptor tracker
* Fix: honor send timeout on unix socket connect
* Fix: perform TLS fixup in all UST entry points from each thread
* Fix: build: pass configure flags to cmake example
* Performance: implement lttng_inline_memcpy
* Performance: mark ring buffer do_copy callers always inline
* Performance: cache the backend pages pointer in context
* Add ctx_len field to ring buffer context
* ring buffer: handle shmp errors
* Cleanup: libringbuffer: remove duplicate shmp() invocations in slow paths
* Performance: Only dereference shmp once
* Performance: Mark channel and buffer event disabled check unlikely
* Performance: Relax atomicity constraints for crash handling
* Fix: compat: -ust suffix sprintf error handling
* Performance: disable event counting by default
* Fix: remove unlock in getcpu