+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
+ * Performance: remove rcu read lock from ring buffer get/put cpu
+ * Performance: define _LGPL_SOURCE in LGPL c files
+ * Performance: split check deliver fast/slow paths
+ * Fix: perf counters build against kernel headers < 3.12
+ * Fix: perf counter context deadlock
+ * Fix: many-events registration/unregistration speed
+ * Fix: pre-fault TLS in ust-malloc instrumentation
+ * Fix: ust-ctl: use LTTNG_UST_HAVE_PERF_EVENT to report perf counter availability
+ * Fix: reset vtid cache before releasing urcu locks
+ * Fix: cleanup local_apps.allowed flag on lib cleanup
+ * Fix: Correctly handle invalid agent port file
+ * Fix: memory corruption in compat.h
+ * Introduce lttng_ust_loaded weak symbol
+ * Revert "Introduce LTTNG_UST_LOADED environment variable"
+ * Introduce LTTNG_UST_LOADED environment variable
+ * Fix: remove invalid free
+ * Use AC_PROG_MKDIR_P (generic mkdir -p)
+ * Split CMake example build steps on different lines
+ * Fix: CMake example: specify source/built includes/libs
+ * configure: allow building perf support across all architectures
+ * Fix: use-after-free in statedump lib iter_end
+ * Add generic fallback for perf counter read
+ * Fix: perf counters: sign-extend pmc register
+ * doc: Add flags for JUL and python agent compiling
+ * tests/hello.cxx: add ctf_enum_auto() entries
+ * Add ctf_enum_auto() for autoincrementing enumeration values
+ * Add missing ust_lib.c and ust_lib.h
+ * dl instrumentation: add dlmopen event, trace dlopen flags
+ * Add library load/unload tracking events
+ * Communication protocol: use fixed-size integer rather than enum
+ * Add ustctl command to regenerate the statedump
+ * Implement statedump command in UST
+ * tests/hello.cxx: add enumeration field
+ * Fix: ctf_enum_value() does not work with g++
+ * Fix: lttng context perf: missing stdbool.h header include
+ * Add perf context support for ARMv7
+ * Keep perf context FD open for other architectures
+ * Doc: cmake example: fix coding style
+ * Doc: ship cmake example with 'make distcheck'
+ * Doc: add CMake example
+ * configure.ac: check cmake availability
+ * Only build python lib when agent is enabled
+ * doc: information has no plural
+ * Fix: allow non-LGPL modules to use tracepoints
+ * Add -ust to the name of UST threads of the application
+ * Comment the locking mechanisms in ContextInfoManager
+ * Fix: Null-check return value of log4j.Category.getAllAppenders()
+ * Add liblttng-ust-agent.jar to the .gitignore
+ * Fix: Specify encoding when reading agent port file
+ * Fix: Include child loggers in the output of "lttng list"
+ * Fix: Handle both agent config files pointing to same port
+ * Suppress static method warning
+ * Add more logging to the LttngTcpSessiondClient
+ * Use config.h to detect sched_getcpu support
+ * Fix: use limits.h in ust-elf test
+ * Fix: strerror_r behavior is glibc specific
+ * Add support for musl libc to ust-dlfcn.h
+ * Fix: don't generate 0-len array in tracepoint probes
+ * Fix: log4j example: set logger level to prevent unexpected level inheritance
+ * Fix: no LGPL define for malloc and pthread wrappers
+ * Fix: all lttng-ust source files should be tagged _LGPL_SOURCE
+ * Fix: initialize RCU callbacks with mixed LGPL/non-LGPL objects
+ * Fix: incorrect structure layout with mixed LGPL/non-LGPL objects
+ * Fix: don't call __builtin_return_address(0) on 32-bit powerpc
+ * Update version name TBD
+ * Update version to 2.9.0-pre
+ * Fix: tracepoint header: declare tracepoint_dlopen_ptr
+ * Fix: update debug message about weak-hidden symbols
+ * Fix: tracepoint-rcu header: use tracepoint_dlopen_ptr
+ * Fix: test: relax requirement on weak-hidden symbol address
+ * Fix: work-around gcc optimisation oddness on 32-bit powerpc
+ * Fix: test weak-hidden symbols
+ * Print DBG() message about compiler weak hidden symbol behavior
+ * test: add test for gcc issue with weak hidden symbol on powerpc
+ * Restrict Java context retriever names to a set of valid characters
+ * Fix: Correctly compute Java agent list loggers response size
+ * Add support for aarch64_be
+ * Fix: Fix synchronization of LTTngAgent#dispose
+ * Fix: Verify number of bytes contained in sessiond agent commands
+ * Fix: Avoid potential null dereference with log4j loggers
+ * Specify UTF-8 encoding for all Java agent commands
+ * Fix: merge tap tests stdout and stderr
+ * Documentation: ring buffer: SWITCH_FLUSH can be used when active
+ * Fix: unchecked return value in trace_clock_read64_monotonic
+ * Fix: portability: no arith on void pointer
+ * Fix: initialize build id and debug link flags to 0
+ * Tests: Add tap-driver.sh for automake < 1.12
+ * Fix: add "has_build_id" and "has_debug_link" fields to debuginfo events
+ * Tests: Replace prove by autotools tap runner
+ * bootstrap: Standardize on autoreconf -vi
+ * Harmonize bootstrap script across projects
+ * lttng-ust(3): order environment variables
+ * lttng-ust(3): fix syntax of env. variables section
+ * lttng-ust(3): document $LTTNG_HOME
+ * Fix: Java agent should use LTTNG_HOME
+ * Fix: examples make distcheck failure
+ * Cleanup: add static for internal symbols
+ * Cleanup: Remove unused max() macros from ring_buffer_frontend.c
+ * Use min_t/max_t macros in lttng-ust-elf.c
+ * Tests: update ust-elf tests to reflect correct memsz computation
+ * Fix: erroneous computation of ELF in-memory size
+ * Make code and man pages share the same default values
+ * Fix: remove NULL check of nonnull parameter in dlclose
+ * Tracepoint array/sequence: add nowrite hex macros
+ * Tracepoint: add ctf array for network byte order integers
+ * Tracepoint: add ctf sequence for network byte order integers
+ * Fix: endianness of integers received by filter
+ * Doc: Update README.md
+ * Fix: jul and log4j agents makefile missing line and indentation
+ * Fix: re-introduce exported symbols
+ * Doc: update manpages for soinfo/sopath name change
+ * Rename statedump and dl events and fields
+ * Tests: list ust-elf test data explicitly in EXTRA_DIST
+ * Tests: add tests for lttng_ust_elf_is_pic
+ * Add is_pic field to statedump soinfo event
+ * Fix: add common jar to lttng-ust-agent-all dependencies
+ * Fix: add version to lttng-ust-agent-all jar file
+ * Fix: rename liblttng-ust-agent to lttng-ust-agent-all
+ * Fix: re-add liblttng-ust-agent.jar
+ * Fix: lttng java agent: dispose is non-static
+ * doc/man: do not use macros in the NAME section
+ * doc/man: remove duplicate copyrights section
+ * doc/man: lttng-ust(3): add tracing control to example
+ * doc/man: lttng-ust(3): split example files in subsections
+ * doc/man/common-copyrights: add missing THANKS section
+ * doc/man: lttng-ust(3): add missing ENVIRONMENT VARIABLES section
+ * README.md: bolden dependencies and update links
+ * README.md: split required and optional dependencies
+ * Convert man pages to AsciiDoc
+ * Fix: remove dead code from filter interpreter
+ * Fix: convey enum value signedness into metadata
+
2016-03-18 (Awkward Moments Day) lttng-ust 2.8.0-rc1
* Fix: remove assertions in lttng-ust-comm init
* Add tracepoint_disable_destructors()
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