X-Git-Url: http://git.lttng.org/?p=lttng-ust.git;a=blobdiff_plain;f=ChangeLog;h=40d8ecd961718df3651068809bf164da9f822730;hp=95a9c5e9d00c41b570e8afc0b814ff12c30c2ae3;hb=9560f5ebf55ec70baefe6da3e3d644fc7d497b63;hpb=358b7b742dd749ca68218c82daa31dd9cc91fb51

diff --git a/ChangeLog b/ChangeLog
index 95a9c5e9..40d8ecd9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,336 @@
+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()