ChangeLog

   1 2012-12-20 (13th Baktun) lttng-ust 2.1.0
   2         * Bump liblttng-ust-ctl lib version major number
   3         * Bump UST proto version minor number
   4         * Helper to debug: add object name
   5         * Tests: Fix rundir not created in ust-basic-tracing
   6         * ust test: add missing return -1
   7         * Test: update ust tracing unit tests to 2.1 internal ABI
   8         * Tests: Fix rundir not created in ust-multi-test
   9         * Adapt internal files and examples to TRACEPOINT_INCLUDE
  10         * Adapt tests to TRACEPOINT_INCLUDE
  11         * Cleanup: tests remove hello.cxx/ust_tests_demo.h
  12         * Fix: don't do macro expansion in tracepoint file name
  13         * Fix lttng-gen-tp: Template file must end in .tp
  14         * Pack structures in comm protocol between UST and sessiond
  15         * Cleanup lttng-gen-tp: Help not showing when using -h,--help
  16         * Cleanup lttng-gen-tp: remove leading underscore before include guard
  17         * fix memleak: ustctl free shadow chan on ustctl_unmap_channel()
  18         * Update license text
  19         * Fix: check if event enabled for bytecode-less events
  20         * Fix: handle enablers without bytecode
  21         * Print probe provider mismatch error even without -Wsystem-headers
  22         * filter: Add missing padding
  23
  24 2012-11-22 lttng-ust 2.1.0-rc2
  25         * filter interpreter cleanup: use uint64_t for retval
  26         * Fix: filter linking can dereference NULL pointer on alloc failure
  27         * Cleanup: remove whitespaces and EOL in tests
  28         * Filter: use only single lower bit of filter return value
  29         * Fix: filter: var len array at end of external structure
  30         * Fix: filter link fail handling
  31         * Fix: add missing seqnum field to filter
  32         * filters: perform union rather than intersection
  33         * Implement support for overlapping wildcard/events
  34         * Cleanup: add lttng_/lttng-/LTTNG_ prefixes
  35         * filter: add seqnum field to filter command
  36         * Filter iteration: iterate on list of filters
  37         * document that tracepoint names should ideally not be re-used
  38         * Remove LIBFORMAT config declaration, unused
  39         * Add libc errno translation layer to UST error code
  40         * Fix: add const qualifier for filter local void *
  41         * Fix: re-allow non-lvalue string, sequence, array parameters
  42         * Tear down handles associated with a closed sessiond socket
  43         * Distinguish UST return codes from transport return codes
  44         * Fix: Conditionally disable tests requiring shared libs support
  45         * Cleanup: don't spawn per-user thread if HOME is not set
  46         * Manpage: document supported UST contexts
  47         * Fix: procname context semantic
  48         * Fix: Fix self-assign warning on struct ustfork_clone_info init
  49         * Fix: memcpy of string is larger than source
  50         * Implement liblttng-ust-fork daemon() override test
  51         * liblttng-ust-fork: override daemon() call
  52         * ustfork: set errno to ENOSYS if symbol lookup fails
  53         * Fix: be quiet on filter linker error
  54         * Build out of src tree
  55         * Fix: filter bytecode specializer stack leak
  56         * Fix: reloc offset validation error out on filters with no reloc table
  57         * Perform calculation on bit size in 64-bit
  58         * Use uint64_t for packet header content size and packet size
  59         * Fix: manpage typo "-lllttng-ust" -> "-llttng-ust"
  60         * Fix: BSD getprogname null pointer dereference
  61         * Add support for model.emf.uri event info
  62         * Filter error message cleanup
  63         * Manpage update: document use in daemons
  64         * Fix: get_wait_shm() ust mutex deadlock (add 2 missing exit calls)
  65         * Fix: get_wait_shm() ust mutex deadlock
  66         * Fix: add events with 0 field to field list
  67
  68 2012-09-10 lttng-ust 2.1.0-rc1
  69         * Fix make dist: fix liblttng-ust-java dependencies
  70         * Fix make dist: add missing filter header
  71         * Fix: backward compatibility with UST 2.0 app probes
  72         * Fix: Filter ABI changes to support FILTER_BYTECODE_MAX_LEN (65536)
  73         * Export "written" information about fields
  74         * Fix filter: pointer to string, not string, should be on stack
  75         * Fix: tracepoint float nowrite
  76         * Fix: accept 65536 bytes long bytecodes
  77         * Add hostname to env
  78         * ABI change: bump internal version to 3.0.0
  79         * Fix: threads should be created in DETACHED state
  80         * Fix: 32-bit x86 strict-aliasing warnings
  81         * Fix UST SIGPIPE handling
  82         * Fix: Libtool fails to find dependent libraries when cross-compiling lttng-ust
  83         * Cleanup: filter: turn bytecode linking error msg into debug
  84         * Make lttng-ust robust against -finstrument-functions.
  85         * Filter: keep aliased ax and bx registers
  86         * Filter: remove interpreter dynamic typing
  87         * Filter: add missing specialized op names
  88         * Filter: specialize double-s64 binary comparators
  89         * Fix filter: fix stack leak on taken branch
  90         * Filter: Implement stack-based interpreter
  91         * Filter: double comparator produces s64
  92         * Filter: use hash table to check merge points
  93         * Filter: split passes into separate components
  94         * Filter: cleanup macros
  95         * Filter: validate range overflow with end of insn
  96         * Filter: validate that field ref strings are non-NULL
  97         * Filter: ensure logical operator merge is always s64
  98         * Filter: we don't care if double/s64 are literals
  99         * Filter: specialize 'and' and 'or' ops.
 100         * Implement dispatch-table based interpretor
 101         * Filter: Specialize unary operators
 102         * Define switch use as macro in interpreter
 103         * Filter interpreter: mark float test as unlikely
 104         * Filter: fix bytecode validation typo
 105         * Filter: specialize comparators
 106         * Specialize load and unary ops
 107         * Validate registers, no need to initialize to 0
 108         * Filter: opcode for ref loads
 109         * Remove redundant validation from interpreter
 110         * filter: Add bytecode validation pass
 111         * TRACEPOINT_EVENT: add *_nowrite fields for filter
 112         * Only print filter errors if LTTNG_UST_DEBUG is set
 113         * Cleanup: remove debug define
 114         * Filter: add floating point support
 115         * Remove filter test printouts
 116         * Implement filter bytecode interpreter and linker
 117         * Filter: receive, attach and link empty filter
 118         * Filter: prepare filter stack data
 119         * Wrap dynamic len array into stackvar union
 120         * liblttng-ust-comm/lttng-ust-com.c: remove unnecessary goto in ustcomm_accept_unix_sock()
 121         * liblttng-ust/lttng-ust-comm.c: fixing typo.
 122         * Fix: remove unused texinfo dep from configure.ac
 123         * Fix C99 strict compatibility: don't use void * for function pointers
 124         * Fix c99 compatibility: tp_rcu_dereference_bp() should not use braced-groups within expressions
 125         * Revert "Fix c99 compatibility: tp_rcu_dereference_bp() should not use braced-groups within expressions"
 126         * Fix c99 compatibility: tp_rcu_dereference_bp() should not use braced-groups within expressions
 127         * Fix: perform TLS fixup of nest count outside of UST mutex
 128         * Fix: liblttng-ust-fork deadlock
 129         * Fix: handle pthread errors
 130         * Fix: local apps allowed should disable local (not global) tracing
 131         * Fix strict ISO-C compatibility for ust-tracepoint-event.h public header
 132         * Fix: support -std=c99 in tracepoint macros
 133         * Fix c99 compatibility: use __typeof__ instead of typeof in public headers
 134         * hello test: fail on old style definition
 135         * Fix: tracepoint.h should not generate old-style definitions
 136         * Fix: don't define variables in headers
 137         * test "hello": add boolean test
 138         * Fix: perform macro expansion on tracepoint signatures
 139         * UST check pointer/de-reference order
 140         * Fix list field: handle error
 141         * Implement event fields listing
 142         * Implement field listing command
 143         * Fix: Block all signals in listener thread
 144         * Add CodingStyle document to tarball
 145         * Add coding style document
 146         * endian.h: support cygwin
 147         * align.h: support cygwin page size
 148         * Add cygwin support to libringbuffer getcpu.h
 149         * Add "2x int" and "2x long" types to the Java interface
 150         * Add Integer and Long tracepoint types to the Java interface
 151         * Fix: don't SIGBUS when filesystem is full
 152         * tracepoint: include stdio.h for NULL definition
 153         * manpage update: document that probes need gcc
 154         * Fix: remove # in front on extern "C" {
 155         * Cleanup: don't use GNU old-style field designator extension
 156         * Fix: remove padding field after variable sized array
 157         * Use unsigned long type for events discarded counter
 158         * Fix: getcpu build with modern uClibc versions
 159         * Fix: lttng-ust.pc needs to specify -ldl
 160         * Fix: examples Makefiles should pass $(LIBS) at last
 161         * Build a jar for the Java side of the JNI interface
 162         * Fix: ustctl need to send the second fd upon error of 1st fd
 163         * Fix: Add missing fork test program dependency library
 164         * Fix: Make the JNI interface actually work
 165         * Merge branch 'dev'
 166         * Fix: stringify version description
 167
 168 2012-03-29 lttng-ust 2.0.1
 169         * Use bsd-compatible fcntl for close-on-exec on socket
 170         * Fix multi-session wildcard support
 171         * Fix event lost count when buffer is full
 172         * Remove inappropriate \n from easy-ust sample
 173
 174 2012-03-20 lttng-ust 2.0.0
 175         * First STABLE version
 176         * Add version name
 177
 178 2012-03-20 lttng-ust 2.0.0-rc4
 179         * Fix out-of-bound write in ltt-events.c
 180         * Document LTTNG_UST_DEBUG_VALGRIND compilation flag
 181         * Update COPYING
 182         * Add exception handling to lttng-gen-tp io operations
 183
 184 2012-03-16 lttng-ust 2.0.0-rc3
 185         * Fix: sendmsg should retry on EINTR, and use MSG_NOSIGNAL
 186         * fix: ustcomm_close_unix_sock should close, not shutdown
 187         * Fix: do not print EPIPE perror, as it is an expected error
 188         * Ensure that multiplication of clock offset is done on 64-bit
 189         * Add 2 missing licenses in deprecated tests
 190         * Remove unbuild and unused (deprecated) make_shared_lib test
 191         * License text standardization, add missing licenses
 192         * Cleanup: remove duplicate check for 0 num_subbuf and subbuf_size
 193         * Fix: power of 2 size check should apply to size_t type, not uint32_t
 194         * Fix: recvmsg should handle EINTR
 195         * Make lttng-gen-tp work on python 2.6
 196         * Make lttng-gen-tp executable
 197
 198 2012-03-02 lttng-ust 2.0.0-rc2
 199         * Manpage fixes
 200         * Fix: dmesg printout should not print metadata warnings
 201         * Fix: use transport name as channel name
 202         * Fix: Add signature check in tracepoint activation
 203         * Fix: add tracepoint signature at tracepoint definition site
 204         * Fix: keep event probe signature, for use by event probe signature check
 205         * Fix ABI: add padding to structures shared between UST and consumer
 206         * Fix ABI: add padding to tracepoint and ring buffer config public structu
 207         * Fix ABI: Adding missing padding in tracepoint event structures
 208         * Fix: Add include/lttng/ust-config.h to git ignore
 209         * Fix effect: update README about dlopen()
 210         * Fix: fixup vtid TLS
 211         * Fix: fixup ringbuffer tls at constructor by forcing read
 212         * Fix: fix deadlock with dlopen() lttng-ust
 213         * Fix: only print event errors every 1048576 hits
 214         * Fix: add missing debug printout to identify the cause of lost events
 215         * fix: liblttng-ust-ctl should check for incorrect parameters
 216         * fix: ust comm error handling segfault
 217         * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_
 218         * fix: on exit, leave thread/mmap reclaim to OS
 219         * fix: Handle sys_futex with async cancel, add missing pthread_join
 220         * fix: Only munmap the wait page when not exiting from process
 221         * Use CPPFLAGS instead of CFLAGS for -I
 222         * Fix type range comparison always false for 64-bit arch
 223         * demo: remove useless libs
 224         * tests: include missing headers
 225         * Add missing limits.h include for NAME_MAX
 226
 227 2012-02-20 lttng-ust 2.0.0-rc1
 228         * Standardize version across toolchain
 229         * Fix a typo in gen-tp Makefile
 230         * Implement the .o file generation in lttng-gen-tp
 231
 232 2012-02-16 lttng-ust 1.9.8
 233         * Fix comment in tracepoint.h
 234         * Add loglevel info to manpage
 235         * Remove stale binary file
 236         * Add lttng-ust(3)
 237         * Add a man page for lttng-gen-tp
 238         * Install easy-ust and gen-tp examples in doc/
 239         * Create the lttng-gen-tp tools as an helper to generate UST .h and .c files
 240         * Add missing #define _GNU_SOURCE for sched_getcpu()
 241         * Define _GNU_SOURCE for all implementation files rather than getcpu.h
 242         * Add sched_getcpu and sysconf to AC_CHECK_FUNCS
 243         * Mark lib_ring_buffer_print_errors unused
 244         * Cleanup: remove extra space from easy_ust example
 245         * Add missing comma to tracepoint STAP_PROBEV call
 246
 247 2012-02-13 lttng-ust 1.9.7
 248         * liblttng-ust-java: add missing -classpath ./
 249         * Only specify that sdt.h provides system integration for now
 250         * Add STAP_PROBEV check ton configure.ac
 251         * Add sdt.h integration
 252         * Remove extern C around probe header
 253         * Move lttng/config.h to lttng/ust-config.h, and use LTTNG_UST_ namespace
 254         * Add a configure report at the end of the output
 255         * Add sdt.h integration option
 256         * Set default loglevel in metadata
 257         * Fix: LTTng-UST java jni wrapper does not build with OpenJDK
 258
 259 2012-02-09 lttng-ust 1.9.6
 260         * Fix tracepoint.h multiple .o within module/core exec linkage bug
 261         * tracepoint: name -> _name to fix possible namespace clash
 262         * Add debug printout to tracepoint.c
 263         * Rename liblttng-ust-libc to liblttng-ust-libc-wrapper
 264         * Update hardcoded loglevel
 265         * Add "easy_ust" example
 266         * Update gitignore
 267         * Zero-initialize struct msghdr
 268         * Add environment information
 269         * Fix event-specific enabling
 270         * Update static lib linking
 271         * liblttng-ust-libc: fix linking
 272         * liblttng-ust-libc: fix lib dependency
 273         * Install README and ChangeLog into system doc
 274         * Add hello-static-lib test
 275         * Fix static provider linking: introduce TRACEPOINT_PROBE_DYNAMIC_LINKAGE
 276         * Fix 32-bit type: allocated len is used
 277         * Fix 32-bit type mismatch
 278
 279 2012-02-02 lttng-ust 1.9.5
 280         * UST comm ABI: Add padding, push version to 2.0
 281         * Update loglevel names
 282         * Implement loglevels as event and wildcard attributes
 283         * Update loglevel ABI: only loglevel value/enum is known by UST
 284         * Pre-assign fixed loglevels
 285         * Remove old (now unused) loglevel control code entirely
 286         * Update loglevel selection ABI
 287         * Use boot_id as monotonic clock uuid
 288         * clock: add clock description to metadata
 289         * Properly fix the timekeeping overflow detection
 290         * Revert "Fix timestamps for slow-paced event rates"
 291         * Revert "Force 64-bit timestamps"
 292         * Declare struct lttng_ust_calibrate
 293         * Force 64-bit timestamps
 294         * demo program: ensure we don't link demo on useless libs
 295         * ust comm: Receive second FD even if 1st receive failed
 296         * ust consumer: close shm fd after mapping it
 297         * Add a comment about which wait fd is closed early by UST.
 298         * Remove leftover structure in ust-abi.h
 299         * Close stream and channel file descriptors as soon as passed to
 300           sessiond
 301         * Fix AC_LANG_SOURCE usage: only takes one parameter
 302         * Fix timestamps for slow-paced event rates
 303         * configure.ac: Use AC_LANG_SOURCE for if else macros
 304         * Add execution instructions to the demo test program
 305         * Force the building of shared noinst libraries in the demo test
 306           program.
 307         * Only print the futex perror in debug mode
 308
 309 2011-12-23 lttng-ust 1.9.4
 310         * Split liblttng-ust into liblttng-ust and liblttng-ust-tracepoint libs
 311         * Comment the union field (only used in call_rcu scheme)
 312
 313 2011-12-21 lttng-ust 1.9.3
 314         * Fix clock source overflow on 32-bit archs
 315         * Remove unused trace_clock_frequency
 316         * check for negative wait() return value
 317         * Add DBG message when registering a probe
 318         * Only show futex warning "perror" in debug mode
 319
 320 2011-12-14 lttng-ust 1.9.2
 321         * Add missing ust_libc.h to Makefile.am
 322         * Use DBG instead of WARN for futex_wake workaround message
 323         * Make dlopen more robust by using the .0 target for the library
 324
 325 2011-12-13 lttng-ust 1.9.1
 326         * First LTTng-UST 2.0 prerelease.