Lttngust

* No change

* doc/examples/gen-tp: pass automake CPPFLAGS/CFLAGS/LDFLAGS
* tools/lttng-gen-tp: honor CPPFLAGS and LDFLAGS
* Fix: doc/examples cross-build
* Fix: liblttng_ust.la should depend on liblttng-ust-tracepoint.la
* Introduce configure --with-lttng-system-rundir
* examples: tracepoint probes don't need extern C
* Tracepoint probes don't need extern C
* Add trace support for memalign and posix_memalign
* malloc instrumentation: remove dependency on pthread
* Add trace support for calloc and realloc.
* Fix: allow make check to run in VPATH build
* Update .gitignore
* Update obsolete benchmark test
* Cleanup tests (2nd commit)
* Cleanup tests
* Fix: doc/examples VPATH build

* Fix: Unchecked asprintf/vasprintf return values
* Missing NULL pointer init in tap.c
* Disable doc/examples build
* Add python3 support to lttng-gen-tp
* Bump ABI major to 5
* callsite: add "ip" context
* Allow environment variable LTTNG_HOME to override HOME
* Fix: libs order in Makefile
* Fix: ring buffer: get_subbuf() checks should be performed on "consumed" parameter
* Introduce ustctl_write_one_packet_to_channel
* build: Fix out-of-tree build
* Fix: SWITCH_FLUSH new sub-buffer checks
* Fix: ring buffer: handle concurrent update in nested buffer wrap around check
* Cleanup: lib_ring_buffer_switch_new_end() only calls subbuffer_set_data_size()
* Fix: doc/examples: gen-tp path
* Revert "Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()"
* Fix: handle writes of length 0
* Cleanup: ring buffer: remove lib_ring_buffer_switch_new_end()
* Fix: lttng-events VPATH build
* Allow include in template (.tp) file
* tests/hello.cxx: rename tp.cpp into tp-cpp.cpp
* doc/examples: build gen-tp example by default
* doc/examples: support BSD make
* Tracepoint.h: replace assertion by fprintf and abort()
* Remove unused assert.h from bitfield.h
* Clarify probe registration documentation/errors
* Fix: Check C++ designated initializers support before compiling 'hello.cxx' test
* Add mising include in ust.h
* lttng-gen-tp: Fix include guard name with file using non valid characters
* Fix: segfault when print invalid command
* Fix: Add --no-as-needed to the demo example's Makefile
* zmalloc: attribute always_inline
* Fix: liblttng-ust process startup hang when sessiond is stopped
* Move include directive from CFLAGS to LOCAL_CPPFLAGS in examples' Makefiles
* Allow tracepoint providers to be compiled with g++
* Add parameter -f to rm in Makefile clean target
* Fix: missing dependency for liblttng-ust-tracepoint.so
* Remove 0.x TODO
* Add warning about default prefix and library paths to README
* Revert "Revert "Fix (another) linker library order""
* Revert "Revert "Fix linker library order""
* snprintf: play nice with static checker
* tracepoint.c: Add coverity alloc/free annotations
* Fix: "fields" leak on register
* Fix: memory leak for events without fields
* Fix: memory leak on connection reset
* Revert "Fix linker library order"
* Revert "Fix (another) linker library order"
* Fix: incorrect support for multi-context
* Fix (another) linker library order
* Fix typo in run script
* Fix linker library order
* Fix examples: add missing CPPFLAGS
* example Makefiles: standardize on $^ for linking
* Fix demo example Makefile
* Move "hello-static-lib" to doc/examples and add non-automake Makefiles

* manpage: Document probe provider compatibility
* Fix: add provider ABI compatibility check
* Cleanup: ignore mktemp return value
* Cleanup: documentation: argument vs field
* Documentation: document undefined behavior for NULL pointers
* Cleanup: silence cppcheck error
* Fix: add internal mutex for timer
* 32-bit warning fix for cyg profile fast
* Fix warnings for 32-bit in lttng-ust-cyg-profile
* Typo fix in README
* Fix: tracepoint.h incorrect assumption about constructor order
* Cleanup: comment mismatch with code
* Fix: ABI breakage between 2.1 and 2.2-rc1
* Documentation: document that sequence len field is unsigned
* connect: don't report EACCES
* connect: don't print error on EPERM
* Bump liblttng-ust-ctl lib version major number
* Optimisation: implement callsite hash table in tracepoint.c
* Optimisation: only update added library in tracepoint.c
* Optimisation: only fix pending events once per lazy update

* Fix: tracepoint instrumentation constructor order issue
* Documentation: update 2.0 to 2.x
* Add demo test back as an example
* Don't rely on explicit context for filtering
* Implement per-context filtering
* Fix: filter string comparison should check for literal
* update tests/demo readme file
* Add man page for lttng-ust-cyg-profile
* Fix: filter string wildcard comparison
* Fix: Remove test runner script
* Fix: forwarding of call_site argument to field
* Add demo README
* Tests: Use Perl prove as the testsuite runner
* Remove tests depending on consumerd
* Convert hello.cxx test to a build test
* Clean-up of configure.ac and tests/Makefile.am
* Fix snprintf test and output result to TAP format
* Replace same_line_marker test with same_line_tracepoint
* Remove tests-libustinstr-malloc
* Remove exit-fast test
* Remove fork test
* Remove daemon test
* Remove demo test
* Remove outdated test-nevents test
* Remove outdated simple_include test
* Remove outdated register_test test
* Convert hello-static-lib test to a build test
* Convert hello test to a build test only
* Remove outdated libustctl_function_tests test
* Remove outdated test hello2
* Remove outdated dlopen test
* Remove outdated test basic long
* Remove outdated test basic
* cyg_profile: implement fast and verbose .so
* Performance: add unlikely to tracepoint dynamic linking test
* Fix: _LGPL_SOURCE rcu dereference fix
* Implement liblttng-ust-cyg-profile function entry/exit instrumentation
* Minor fix: libc wrapper internal run script
* Fix: ustctl_recv_register_event pointer mixup
* Fix: allow enabling same events for two channels
* Add channel ID field to attr
* Remove useless else clause
* tracepoint: move "probe" test outside of loop
* Fix uninitialized has_loglevel variable
* Fix clang warnings
* Cleanup: work-around clang unused result warning
* Cleanup compile warning
* Cleanup: remove unused variables
* tracepoint: Don't add NULL probes
* Remove mention of locking issues associated with dlopen usage
* Implement read timer (for RT)
* Only flush when there are readers active
* Add mutex for channel wakeup fd update
* Fix: fields should be initialized to NULL
* Implement ustctl_duplicate_ust_object_data
* Add channel wakeup fd to monitor close
* Fix: refcount issue in lttng-ust-abi.c
* Fix: only consumerd should print errors
* Implement ring buffer periodic buffer switch timer
* Fix: ensure all probe providers have their symbols
* Reactivate error printing
* Unregister tracepoint probes when not needed
* Cleanup: remove now unused metadata code from UST
* Fix: notification timeout logic
* Fix: don't print error in comm proto connect on ENOENT
* Fix: return expected error return values for sessiond
* Fix: set wait/wake fd to -1 before close
* Fix: Only notify socket should have timeout/nonblock
* Fix: ustctl: return -EPIPE to sessiond if connection is closed
* Fix: Add timeout on notification socket
* Remove now unused metadata printf code
* Move metadata creation into lttng-sessiond and lttng-consumed
* Add write metadata API to ust-ctl.h
* Move UST registry into sessiond and implement notifiers
* Fix: don't flush-final for offset 0 if reader is on sub-buffer
* Use tp rcu link test in provider
* Remove direct dependency of probes on urcu-bp
* Use urcu tls-compat.h
* Lazy provider registration
* Always use lttng_get_probe_list_head to get probe list
* Fix static build
* Move LTTng-UST buffer ownership from application to consumer
* Fix package: don't distribute generated headers
* Fix: don't cancel already exited threads
* Scalability fix: tracepoint.c hash table size increase
* Scalability fix for many events: event hash table size
* Speed up probe registration for large amount of events
* Add missing demo-trace shell script to dist tarball
* Documentation: add uuid package name for Fedora in README
* Fix: missing test for lttng_ust_comm_should_quit in lttng-ust-comm.c
* Add compilation support for Tile architectures
* Documentation: clarify debian package name for uuid in README
* Fix: comment in ust-ctl.h
* Fix I/O-related error values in ustctl
* Introduce hash table for lttng_create_event_if_missing()
* Fix: don't build C++ example if a C++ compiler isn't available
* Remove LIBFORMAT output in configure.
* Document dependency on libuuid

* Bump liblttng-ust-ctl lib version major number
* Bump UST proto version minor number
* Helper to debug: add object name
* Tests: Fix rundir not created in ust-basic-tracing
* ust test: add missing return -1
* Test: update ust tracing unit tests to 2.1 internal ABI
* Tests: Fix rundir not created in ust-multi-test
* Adapt internal files and examples to TRACEPOINT_INCLUDE
* Adapt tests to TRACEPOINT_INCLUDE
* Cleanup: tests remove hello.cxx/ust_tests_demo.h
* Fix: don't do macro expansion in tracepoint file name
* Fix lttng-gen-tp: Template file must end in .tp
* Pack structures in comm protocol between UST and sessiond
* Cleanup lttng-gen-tp: Help not showing when using -h,--help
* Cleanup lttng-gen-tp: remove leading underscore before include guard
* fix memleak: ustctl free shadow chan on ustctl_unmap_channel()
* Update license text
* Fix: check if event enabled for bytecode-less events
* Fix: handle enablers without bytecode
* Print probe provider mismatch error even without -Wsystem-headers
* filter: Add missing padding