ChangeLog

   1 2014-07-22 Babeltrace 1.2.2
   2         * Fix: Support out of tree builds in babeltrace
   3         * Fix: mmap trace read the stream_id from the first packet
   4         * Fix: check the lttng-relayd protocol version
   5         * Fix: don't update the trace collection if no new streams were received
   6         * Fix (Python bindings): Return a string if a sequence's element are chars
   7         * Fix: don't use a return code in _bt_ctf_stream_append_discarded_events
   8         * Fix: Report the sequence's length field's value as length
   9         * Fix: Variable name typo in SequenceField and Event classes
  10         * Fix python: remove weird char at the end of line
  11         * Fix: add missing files to gitignore
  12         * Fix: ctf-text: add missing double-quotes around enum tag
  13         * Fix: Add missing lttng_live_should_quit checks
  14         * Fix: Report errors occuring in lttng_live_read
  15
  16 2014-03-08 Babeltrace 1.2.1
  17         * Fix: Accept an input port in the live URL when no session is provided
  18
  19 2014-02-28 Babeltrace 1.2.0
  20         * Fix: lttng-live parse url port check
  21
  22 2014-02-27 Babeltrace 1.2.0-rc2
  23         * Fix: events discarded timing inaccuracy
  24         * Fix: Move offset endianness conversion to get_data_packet
  25         * Fix: Remove negative comparison to unsigned value
  26         * Fix: Uninitialized scalar variable
  27         * Fix: Don't assert on metadata generation failure
  28         * Fix: add missing SIGTERM and SIGINT handler
  29         * Fix: Reverse incorrect error message argument order
  30         * Cleanup: add brackets to lttng-live-plugin.c
  31         * Cleanup lttng-live: add brackets in lttng_live_read()
  32         * Cleanup lttng-live: 80 columns wrapping
  33         * Fix: handle new streams in get_data_packet()
  34         * Fix: accept empty metadata on append
  35         * Fix: lttng-live: 100ms active poll delay
  36         * Fix: lttng-live await metadata
  37         * Fix: lttng-live recv() and send() flags, partial recv()
  38         * Fix: missing little endian conversion for one index field
  39         * Cleanup: remove logically dead code
  40         * Fix: untrusted value as argument
  41         * Fix: off by one in lttng-live path length check
  42         * Fix: fclose return value unchecked
  43         * Fix: call to append metadata when new metadata is added
  44         * Fix: use memstream instead of tmp file for live metadata
  45         * Fix: assign a trace handle to every live trace
  46         * Fix: get_new_metadata receive all the metadata
  47         * Fix: Coverity warning CWE-457: Use of Uninitialized Variable
  48         * Revert "Fix: get_new_metadata receive all the metadata"
  49         * Revert "Fix: assign a trace handle to every live trace"
  50         * Fix: assign a trace handle to every live trace
  51         * Fix: get_new_metadata receive all the metadata
  52         * CTF: Support incremental metadata append
  53         * Fix: ctf.c fscanf missing integer length check
  54         * Bump soname version to 1.0.0
  55         * Move scanner allocation/free outside of ctf_open_trace_metadata_read
  56         * CTF parser: prepare for incremental metadata parsing
  57         * Python bindings: return char arrays as strings in value()
  58         * Python bindings: sched_switch example clean-up
  59         * Fix: add missing test scripts to Makefile.am
  60
  61 2014-02-14 Babeltrace 1.2.0-rc1
  62         * Cleanup: lttng-live: use perror() rather than fprintf for err msg
  63         * Fix: lttng-live: handle orderly shutdown
  64         * Fix: Unchecked array index when importing trace indexes
  65         * LTTng-live usage documentation
  66         * Fix: ctf: uninitialized packet_index, misuse of index
  67         * Cleanup: rename lttng live implementation files
  68         * Attach and list by session name and hostname
  69         * get_new_streams and multi-session
  70         * Create the live viewer session before attaching
  71         * Sync lttng live ABI with lttng-tools
  72         * Extract adding a trace to the iterator from bt_iter_init
  73         * Compute discarded events in live
  74         * Merge real index and cycles index into a single index
  75         * Fix: import index containing only a header
  76         * Remove outdated Python bindings test
  77         * Fix: replace assert with proper error handling
  78         * Fix: lttng-live: unbounded use of sscanf() in parse_url()
  79         * Fix: lttng-live should accept 0 in addresses
  80         * Remove default to display field names in live
  81         * Remove null checks on g_new0
  82         * Cleanup: iterator unused pointer value
  83         * Fix: lttng-live: resource leak
  84         * Fix: lttng-live uninitialized scalar variable
  85         * Fix: lttng-live non NULL-terminated strings
  86         * lttng-live: fix unchecked mkdir return value
  87         * lttng-live input plugin
  88         * Live: let read API detect inactive streams, allow streams without fd
  89         * Add Jérémie Galarneau as co-maintainer
  90         * Fix: disallow re-using same event ID in same stream
  91         * Fix: check for unknown enum/variant fields
  92         * Fix: libbabeltrace lib build dependencies
  93         * Fixes in babeltrace core to support non-CTF traces
  94         * Add a private pointer to the ctf_stream_pos
  95         * Be more widely accepting for missing variant/enum fields
  96         * Cleanup: remove index_read (unused var)
  97         * Refuse 0 integer size
  98         * Fix ctf-writer: possible use after free
  99         * Fix data_offset when importing the indexes
 100         * Merge branch 'master' into bindings/python
 101         * Python-bindings fix: Out of tree build fails to find babeltrace.i
 102         * Test: Validate that enumeration mapping strings are properly escaped
 103         * Fix ctf-writer: Quote strings provided as enumeration mappings
 104         * Fix: read/write mode check
 105         * Cleanup: do not duplicate code in float fix
 106         * Fix: floats should set content size in tmp definition
 107         * Handle empty streams on iterator init
 108         * Handle packets containing only a header
 109         * Handle the inactive streams
 110         * Fix: test content size vs headers len
 111         * Fix: check packet index len
 112         * Fix: uncheck null pointer
 113         * Fix: test for less than 1 byte packets
 114         * Fix: reversed logic in packet vs content size
 115         * Fix: clarify end of packet error
 116         * Fix: string packet boundary handling, bits vs bytes
 117         * Fix: add stricter checks on packet boundaries
 118         * Parse CTF indexes
 119         * Cleanup: fix typo
 120         * Fix: fail when reading 0 byte event
 121         * Python-bindings fix: outdated dist target babeltrace.i
 122         * Python-bindings: Refactor the CTFWriter API
 123         * Fix: bt_ctf_field_generic_validate should return < 0 on error
 124         * Fix: Take the iterator's end position into account
 125         * Fix: Use the bt_iter_set_pos function to set the begin_pos
 126         * Python-bindings: Move declaration bindings out of the _Definition class
 127         * Python-bindings: Refactor the FieldDecl and EventDecl classes
 128         * Python-bindings: Move the _scopes array out of the Event class
 129         * Python-bindings: Refactor the Event class
 130         * Python-bindings: Refactor the TraceHandle class to use properties
 131         * Python-bindings: Refactor the Context class
 132         * Test ctf-writer: Verify that enumerations are validated before use
 133         * Fix ctf-writer: Reject enumerations containing no mappings
 134         * Fix lint warnings
 135         * Expose text arrays the same way as regular arrays
 136         * Don't generate Python bindings by default
 137         * Add a usage example for the CTF Writer Python bindings
 138         * Add CTF Writer Python bindings
 139         * Rename the ctf class to CTFReader
 140         * Fix: Python bindings array access functions write out of bounds
 141         * Add support for structure fields in the Python bindings
 142         * Add support for variant fields in the Python bindings
 143         * Add support for floating point fields in the Python bindings
 144         * Fix: Use of functions not provided by glib 2.22
 145         * Fix: Throw a FieldError exception when get_value() fails
 146         * Remove Python 2 specific examples
 147         * Add a python bindings sequence test
 148         * Support for the sequence type
 149         * Add a generic get_value() implementation
 150         * Support getting the value of enums
 151         * Remove the unnecessary underscore prefix
 152         * Return event fields by field name
 153         * Merge branch 'master' into bindings/python
 154         * ctf writer BSD compatibily: remove O_DIRECTORY
 155         * Fix ctf writer lints
 156         * linter fix: comparison of fd >= 0
 157         * test ctf writer: fix lints
 158         * ctf-writer: fix linter defects
 159         * ctf-writer: Coding style fix
 160         * Tests: Add a CTF Writer test
 161         * Add CTF Writer implementation
 162         * Add public CTF Writer API headers
 163         * Fix: Don't create a new packet if ctf_move_pos() seeks out of a packet
 164         * Fix: Uninitialized ctf_stream_pos structure in ctf_float_write()
 165         * Fix: Use the packet's final size when mmap-ing the next packet
 166         * Fix: Close traces on context destruction
 167         * gcc warning fix: -Wextra
 168         * Declare enum type to use from C++
 169         * Fix: test_seek should only output one TAP plan
 170         * Revert "Add missing declaration of ssize_t as unsigned long for SWIG"
 171         * Add missing declaration of ssize_t as unsigned long for SWIG
 172         * Fix (python): use of braces in format strings
 173         * Add missing call to _bt_ctf_get_decl_from_def() when calling _bt_ctf_get_int_len().
 174         * Merge branch 'master' into bindings/python
 175         * Fix: test_seek static linking
 176         * Tests: fix string octal encoding
 177         * Add missing Makefile.am
 178         * make check VPATH build
 179         * Add missing test files to make dist
 180         * Tests: Use Perl prove as the testsuite runner
 181         * Tests: Add trace reading test with babeltrace bin
 182         * Tests: Split lib tests in multiple standalone test scripts
 183         * Tests: Rename tests under lib with tests naming convention
 184         * Tests: Move TAP helpers to tests/utils/tap
 185         * Fix ctf_clock_declaration_visit returning an error when reading a boolean
 186         * Fix CTF parser hang with bison 3.0
 187         * Add missing lex/bison generated files to make clean
 188         * Put the libbabeltrace-ctf specific parts of babeltrace.pc into a babeltrace-ctf.pc file
 189         * Test for presence of bison and flex when building from git
 190         * Fix: Unchecked asprintf/vasprintf return values
 191         * Missing NULL pointer init in tap.c
 192         * Add bt_unregister_format function support
 193         * Fix: libcompat should be noinst (statically linked)
 194         * Add MinGW definitions to endian.h
 195         * Add MinGW implementation of UUID functions
 196         * Add Windows exe files to .gitignore
 197         * Add MinGW32 libraries to executables
 198         * Move strerror_r to compat directory
 199         * Document: manpage: chronologically ordered events
 200         * Make python bindings compile with trunk
 201         * Merge branch 'master' into bindings/python
 202         * babeltrace-log: UTC timestamps
 203         * Cleanup: comment mismatch with code
 204         * Add unit test validating seeking to last event of a trace
 205         * Remove unused function bt_trace_handle_get_id
 206         * Cleanup: remove whitespaces at end of lines
 207         * Remove extra -I for python bindings
 208
 209 2013-06-18 Babeltrace 1.1.1
 210         * Compare traces by stream path as secondary key
 211         * Fix: use index, not cur_index, for SEEK_SET validation
 212         * Fix: ctf-text irregular output with disabled field names
 213         * Support old compilers
 214         * Remove useless variable assignment
 215         * Fix: Remove extra quote after an include directive
 216         * Don't dereference before NULL check
 217         * eliminate dead code
 218         * fix babeltrace-log error checking
 219         * Fix resource leak on error path
 220         * Fix: handle error checking should compare against NULL
 221         * Remove unused array in bt_context_add_traces_recursive
 222         * Fix: Suppress a compiler warning (always-false condition)
 223         * Cleanup: remove trailing whitespaces
 224         * Move memstream.h and uuid.h to include/babeltrace/compat directory
 225         * Fix: handling of empty streams
 226         * Add new option --clock-offset-ns
 227         * Fix: add missing error return when create_event_definitions fails
 228         * Fix: ctf-text should link on libbabeltrace-ctf
 229         * Move clock to bt_trace_descriptor
 230         * Remove unused stream_heap
 231         * Move trace collection pointer to bt_trace_descriptor
 232         * Move bt_handle to bt_trace_descriptor
 233         * Move bt_context to bt_trace_descriptor
 234         * Privatize struct bt_trace descriptor, move trace path
 235         * Add backward ref from bt_stream_pos to bt_trace_descriptor
 236         * Fix kFreeBSD build
 237         * Fix: babeltrace-log timestamps should be in nsec
 238         * Use objstack for AST allocation
 239         * Remove unused gc field
 240         * Use objstack to store nodes
 241         * Use objstack for strings
 242         * Implement objstack for parser
 243         * Fix: octal and hex string handling
 244         * Simplify error node
 245         * Lexer cleanup
 246         * Fix: invalid integer suffix parsing
 247         * Test cleanup
 248         * Test cleanup
 249         * Test cleanup
 250         * Fix: bootstrap should call libtoolize
 251         * Fix bootstrap script
 252         * Use uint64_t for packet_map_len
 253         * Add smalltrace succeed/fail test cases
 254         * Support packets and trace files smaller than page size
 255         * Move ctf-metadata plugin into its own shared object
 256         * Implement ctf-metadata output plugin
 257         * Handle make_node errors with TLS dummy node
 258         * Remove nested expressions
 259         * Eliminate dead code
 260         * Fix: trace_collection_add() add after check
 261         * Handle integers in lexer rather than grammar
 262         * Implement perror printf
 263         * Support escape characters in metadata strings
 264         * Add error node to AST
 265         * Introduce macro to enforce matching enum to string for node types
 266         * Fix: add semantic check in grammar
 267         * Implement likely/unlikely ifdefs
 268         * Fix unary constant use after error
 269         * Use new print macros in ctf-parser.y
 270         * Print error on invalid token
 271         * Implement macros for error printout
 272         * Add line number to parser nodes
 273         * Fix: handle errors gracefully
 274         * Fix: memleak on error path
 275         * Add missing NULL pointer check
 276         * Show token in CTF parser error
 277         * Remove unused lineno from struct ctf_scanner
 278         * Show line numbers in CTF parser errors
 279         * Ignore Windows-style EOL character in metadata
 280         * Replace AM_PROG_MKDIR obsolete macro with AC_PROG_MKDIR_P
 281
 282 2013-03-23 Babeltrace 1.1.0
 283         * Reinsert "at end of stream" message for discarded events
 284         * Improvement: Message from babeltrace concerning discarded events needs i
 285         * Cleanup: typo fix
 286         * Cleanup: add end of line at end of verbose message
 287         * Fix: misleading message from babeltrace --verbose
 288         * Fix: babeltrace --fields all  overrides --no-delta
 289         * Add verbosity to stream id error message
 290         * Fix: Ensure the specified input format is CTF
 291         * Fix: Undefined behavior of double free on strlist in get_names_args
 292         * Fix: ctf-text: don't close stdout
 293         * Fix: warning message for unexpected trace byte order
 294         * Namespace the struct declaration
 295         * Namespace the struct definition
 296         * Namespace the struct format
 297         * Namespace the struct mmap_stream
 298         * Namespace the struct trace_descriptor
 299         * Namespace struct stream_pos
 300         * Namespace compliance for dependencies function
 301         * Cleanup error messages
 302         * Fix: babeltrace: make '-w' actually work
 303         * Convert the unit tests to the TAP format
 304         * Spelling cleanups within comments
 305         * Move the bitfield test to tests/lib/
 306         * Fix: Added a null pointer check to bt_ctf_field_name
 307         * Add babeltrace.pc to gitignore
 308         * namespacing: place flex/bison symbols under bt_yy namespace
 309         * namespace the lookup_integer function
 310         * namespace the definition functions
 311         * namespace the variant functions
 312         * namespace the declaration functions
 313         * namespace the collection functions
 314         * namespace the heap functions
 315         * namespace the struct functions
 316         * namespace the string functions
 317         * namespace the sequence functions
 318         * namespace the int functions
 319         * namespace the enum functions
 320         * namespace definition_ref and definition_unref
 321         * namespace declaration_ref and declaration_unref
 322         * namespace the array functions
 323         * namespace the scope_path functions
 324         * Hide internal functions of libbabeltrace-ctf
 325         * Hide internal functions of ctf-text
 326         * BT_HIDDEN macro
 327         * Namespace the lookup_enum function
 328
 329 2012-01-24 Babeltrace 1.0.3
 330         * Fix: Double free when calling bt_context_remove_trace()
 331         * Add missing runall.sh to dist packaging
 332         * Fix: alignment of compound types containing array field
 333
 334 2012-01-11 Babeltrace 1.0.2
 335         * Fix: add tests/lib missing files to Makefile.am
 336
 337 2012-01-11 Babeltrace 1.0.1
 338         * Provides a basic pkg-config file for libbabeltrace
 339         * Fix erroneous warning/error messages
 340         * Fix comment in context.h
 341         * Cleanup: Remove whitespace at EOL from mit-license.txt
 342         * Add missing permission notice in each source file
 343         * Adding a test which do a sequence of seek BEGIN, LAST, BEGIN, LAST
 344         * Run seek tests on a second trace file
 345         * Add #define _GNU_SOURCE to remove warning about asprintf
 346         * Include a test for SEEK_BEGIN and SEEK_LAST
 347         * Fix: Report success even if we find at least one valid stream in find_max_timestamp_ctf_stream_class
 348         * Fix SEEK_BEGIN for streams that do not contain any event
 349
 350 2012-10-27 Babeltrace 1.0.0
 351         * tests: add test traces to distribution tarball
 352         * Document bash requirement for make check in README
 353         * Add tests to make check
 354         * Fix: add missing header size validation
 355         * callbacks.c: handle extract_ctf_stream_event return value
 356         * Cleanup: fix cppcheck warning
 357         * Cleanup: fix cppcheck warnings
 358         * fix double-free on error path
 359
 360 2012-10-18 Babeltrace 1.0.0-rc6
 361         * Add valgrind suppression file for libpopt
 362         * Fix: unplug memory leak that causes popt-0.13 to segfault
 363         * Fix: test all close/fclose ret val, fix double close
 364         * Cleanup: add missing newline
 365         * Fix: fd leak on trace close
 366         * Fix memory leaks induced by lack of libpopt documentation
 367         * babeltrace: fix poptGetOptArg memleak
 368         * plugins: implement plugin unregister
 369         * Doc: valgrind with babeltrace (glib workaround)
 370         * callsites: fix memory leak
 371         * Fix: free all the metadata-related memory
 372         * Fix : Free the iterator callback arrays
 373         * Fix : cleanup teardown of context
 374         * Fix : protect static float and double declarations
 375         * callsite: support instruction pointer field
 376         * Document that list.h is LGPLv2.1, but entirely trivial
 377         * Fix: callsite support: list multiple callsites
 378         * Add callsite support
 379         * Fix: Allow 64-bit packet offset
 380         * Fix: emf uri: surround by " "
 381         * Handle model.emf.uri event info
 382         * Fix: Documentation cleanup
 383         * Fix: misplaced C++ ifdef
 384         * Fix babeltrace-log get big line when the input file last line don't have enter
 385         * API Fix: bt_ctf_iter_read_event_flags
 386         * Fix: get encoding for char arrays and sequences
 387         * Fix: access to declaration from declaration_field
 388         * Fix: get_declaration_* should not cast to field
 389         * Fix babeltrace-log uninitialized memory (v2)
 390         * Revert "Fix babeltrace-log uninitialized memory"
 391         * Fix babeltrace-log uninitialized memory
 392         * Fix: access field properties by declaration
 393         * Fix: check return value of get_char_array
 394         * Fix: C++ support to API header files
 395
 396 2012-08-27 Babeltrace 1.0.0-rc5
 397         * Change default printout to add host, process names and vpid
 398         * Add support for trace:hostname field
 399         * Fix: allow specifying more than one input trace path
 400         * Fix: make warnings (partial errors) visible
 401         * Fix: --clock-force-correlate to handle trace collections gathered from v
 402         * Documentation: update API doc with enum functions
 403         * Fix: API: remove unsupported BT_SEEK_END from API
 404         * API documentation
 405         * Cleanup: shut up gcc uninitialized var warning
 406         * Fix: support large files on 32-bit systems
 407         * Fix: remove unused fts.h include
 408         * Fix: add missing enum support to API
 409         * Fix: handle clock offset with frequency different from 1GHz
 410         * Cleanup: update ifdef wrapper name
 411         * Fix: clarify bt_ctf_get_field_list
 412         * Fix trace-collection.h: No such file or directory that build code with l
 413         * Fix: check return value of bt_context_create
 414         * Fix: ensure mmap_base_offset is zeroed on initialization
 415         * Fix: Reswitch to FTW for add_traces_recursive
 416         * Fix: don't free unallocated index
 417         * Fix: don't close the metadata FD if a FP is passed
 418         * Add BT_SEEK_LAST type to bt_iter_pos
 419         * Fix: iterator.c BT_SEEK_RESTORE: check return value
 420         * Fix: complete error handling of babeltrace API
 421         * cleanup: protected -> hidden: cleanup symbol table
 422         * Fix: add mmap_base_offset to ctf_stream_pos
 423         * Fix: assign the current clock for mmap traces
 424         * Fix: libbabeltrace add missing static declaration
 425         * Fix: safety checks for opening mmap traces
 426         * Remove trace-collection.h from include_headers
 427         * Fix: protect visibility of ctf-parser functions
 428         * Fix: correct name of bt_ctf_field_get_error in comments and typo in man
 429         * Fix: wrong type in bt_ctf_get_uint64/int64
 430         * API cleanup name get_timestamp and get_cycles
 431         * fix comment struct bt_saved_pos
 432         * Fix: Add missing clock-types.h
 433         * Get rid of clock-raw and use real clock
 434         * Cleanup (messages): Make the wording of the signedness warning clearer
 435         * Fix: error path if heap_init fails
 436         * Fix: Remove obsolete bt_iter_seek function
 437         * Make the signedness warning useful with the field name
 438         * Fix: Restore heap for SEEK_BEGIN
 439         * Fix: check if handle is valid
 440         * Fix: iterator set_pos
 441         * Fix: get rid of consumed flag
 442         * Fix: add missing heap_copy
 443         * Fix: babeltrace assert() triggered by directories within trace
 444         * Several fixes for bt_iter_pos related functions
 445         * Fix iterator: various fixes
 446         * Fix: remove duplicate yydebug var
 447         * Fix babeltrace iterator lib: seek at time 0
 448
 449 2012-05-30 Babeltrace 1.0.0-rc4
 450         * Add CodingStyle to tarball
 451         * Add coding style document
 452         * Fix: babeltrace should use output format argument
 453         * Fix: accept traces which skip stream ids
 454         * Use mmap_align
 455         * align header: define PAGE_SIZE
 456         * Implement mmap alignment header
 457         * Cleanup: type warnings
 458         * Cleanup: do not overwrite const argv parameters
 459
 460 2012-05-29 Babeltrace 1.0.0-rc3
 461         * Fix: converter error logic
 462         * Fix: report appropriate field in error message
 463         * Fix: support 64-bit events discarded counter types
 464         * Fix: add missing bt_ctf_get_int_len API
 465         * Fix bt_context_add_traces_recursive error code
 466
 467 2012-04-24 Babeltrace 1.0.0-rc2
 468         * Fix: return an error if no trace can be opened
 469         * Fix: double destroy in context remove
 470
 471 2012-04-18 Babeltrace 1.0.0-rc1
 472         * Fix: -n "field names" option should allow "none"
 473         * Fix: Show context field name by default
 474         * Manpage fix: babeltrace-log manpage should refer to lttng(1)
 475         * Clarify warning message for events discarded
 476         * Fix: babeltrace should skip erroneous traces
 477         * Fix: put explicit error messages and warnings when opening a trace
 478         * Fix: segfault on error handling
 479         * Fix: enum must use last value + 1 as next item value
 480         * Fix: warn, and don't assert, when reading a value outside enum range
 481         * API Fix : missing list fields of event decl
 482         * API fix : fill the values for timestamp begin and end
 483         * API : list of events in the trace
 484         * UUID field should be optional, as specified by CTF spec
 485         * Babeltrace ctf-text duplicated error message
 486         * API fix/breakage : reexporting bt_ctf_event
 487         * fix/breakage API : replace bt_ctf_event
 488         * add ctf_event_definition pointer to ctf_stream_definition
 489         * Rename ctf_event to ctf_event_declaration
 490         * Rename ctf_stream to ctf_stream_definition
 491         * Rename ctf_stream_event to ctf_event_definition
 492         * Rename ctf_stream_class to ctf_stream_declaration
 493         * Cleanup: Remove unneeded local variables from function
 494         * API Fix : give access to trace_handle and context
 495         * API Fix : handle id to use the public functions
 496         * Fix : add the missing seek begin
 497
 498 2012-03-16 Babeltrace 1.0.0-pre4
 499         * fix : bt_ctf_iter_create defaults to BEGIN pos
 500         * Fix : only one iterator per context
 501         * Fix error checking in bt_context_add_traces_recursive
 502         * bt_context_add_trace, bt_iter_pos and bt_iter needed some more comments.
 503         * Fix API: add const qualifiers, privatize struct bt_ctf_event
 504         * Fix: split ctf/event.c
 505         * Fix: seek by timestamp
 506         * Fix: remove leftover code from seek begin (unimplemented for now)
 507         * Fix: seek error handling
 508         * Fix: callbacks.c: more explicit error msg
 509         * Fix: ctf/iterator.h bt_ctf_iter_read_event() comment
 510         * Add missing iterator.h into the git repo
 511         * API fix: Move ctf iterator API members to new babeltrace/ctf/iterator.h
 512         * API cleanup: Move bt_iter_create/destroy to internal header
 513         * Fix: update missing copyrights and ifdef protection mismatch
 514         * Clarify clock correlation error message
 515         * Fix build warning: set -lpopt as LDFLAGS rather than CFLAGS
 516         * Fix: add missing _GNU_SOURCE define to babeltrace-log.c
 517         * Fix: Add memstream.h dependency to Makefile.am
 518         * Implement fallback for systems lacking open_memstream and fopenmem
 519         * Fix: try to include endian.h by default
 520
 521 2012-03-02 Babeltrace 1.0.0-pre3
 522         * Fix uuid in metadata
 523         * Babeltrace wrapper update
 524         * uuid wrapper: fix use in visitor
 525         * Endian wrapper use fix
 526         * FreeBSD uuid wrapper fixes
 527         * Fix missing uuid wrapper change
 528         * Add endian.h wrapper
 529         * Use standard __LONG_MAX__ instead of __WORDSIZE
 530         * Create BSD wrapper for uuid
 531         * fix API : deal with the optional underscore
 532         * Fix API : functions to access fields properties
 533
 534 2012-02-23 Babeltrace 1.0.0-pre2
 535         * linker: privatize prio_heap and babeltrace_types
 536         * Linker: privatize libbabeltrace_types
 537         * Link statically to internal libraries
 538         * Combine duplicated API/pretty-print timestamp code
 539         * API : export the offsetted timestamp
 540         * Fix : segfault when printing timestamp on index
 541         * Fix : coherency in const parameters
 542
 543 2012-02-20 Babeltrace 1.0.0-pre1
 544         * Generically print tracer version (and env) in verbose mode
 545         * Fix open_mmap_trace missing support
 546         * fix: context.h add missing documentation for packet_seek parameter
 547         * Cleanup iterator.h
 548         * Fix callback.h documentation
 549         * Cleanup: babeltrace.h does not need to include ctf/events.h
 550         * API fix: Move callbacks to CTF plugin
 551         * Removed unneeded ctf_* forward declarations from babeltrace.h
 552         * Remove unneeded forward declarations (ctf-specific) from iterator.h
 553         * fix: move read event from iterator to event.h
 554         * Fix: ctf specific events.c needs to be within CTF plugin
 555         * API fix: packet_seek should take an index rather than offset
 556         * Fix API: allow packet_seek override
 557         * Fix: add lib missing includes
 558         * Fix: packet_seek is local to plugins, but can be overridden
 559         * Fix API: rename unclear move_pos_slow to packet_seek
 560         * Fix: Check for unknown format
 561         * Fix: do not use ctf-specific struct in format.h
 562         * fix : callback type, doc and links to libbabeltrace
 563         * Fix : callback chain len
 564
 565 2012-02-16 Babeltrace 0.12
 566         * Typedef bt_intern_str
 567         * Export the list header with a new namespace
 568         * API : add_trace return the trace_handle id
 569         * fix manpage: refer to lttng(1)
 570         * API : cleanup includes
 571         * API : Access CTF events fields
 572         * manpage: Add babeltrace-log.1
 573         * API : seek by timestamp
 574         * Move the add_traces_recursive out of the library
 575         * manpage: use pp instead of PP
 576
 577 2012-02-13 Babeltrace 0.11.1
 578         * Add trace-collection.h to the installed headers
 579
 580 2012-02-13 Babeltrace 0.11
 581         * Add --clock-force-correlate option
 582         * lib: open trace error handling fix
 583         * Use default if there is no clock declaration
 584         * iterator: fix type warning on 32-bit build
 585         * Use 64-bit type for packet and content size
 586         * Fix context API
 587         * Add missing context-internal.h
 588         * struct bt_context is opaque
 589         * Update comment to match context API code
 590         * Print loglevel names
 591         * babeltrace lib cleanup, folded with open/remove trace functions
 592         * API : iterator get and set position
 593
 594 2012-02-09 Babeltrace 0.10
 595         * Fix clock freq
 596         * clock: use freq field
 597         * Show env. in verbose mode
 598         * Remove all code that depends on trace collection directory structure
 599         * Use environment information for extra fields
 600         * Parse environment declarations from LTTng-modules and LTTng-UST
 601         * Fix typo
 602         * Add babeltrace.1 manpage
 603         * Update help
 604         * Install license files and dependency listing into the system doc
 605         * Add ChangeLog to doc install
 606
 607 2012-02-02 Babeltrace 0.9
 608         * Allow signed values in get_signed. Cast unsigned into signed.
 609         * Show loglevel information only with value
 610         * env needs to be a keyword too
 611         * Add env {} warning test case
 612         * Add environment (env {}) parser-level support
 613         * Revert "Remove leading underscores from identifiers directly in lexer"
 614         * Remove leading underscores from identifiers directly in lexer
 615         * Fix: do not remove field names when adding fields
 616         * API : iterator namespace cleanup
 617         * Time offset: use trace offset average
 618         * API : trace_handle
 619         * Print event discarded at end of stream
 620         * Discarded event time range is between last packet event and timestamp_end
 621         * Print time range during which events have been dropped
 622         * Print events discarded
 623         * Add clock offset support
 624         * Warn user of clock offsets do not match
 625         * Add clocks to trace collection
 626         * clock: show as time of day
 627         * Implement clock mapping within integer type
 628         * Implement clock IR generation
 629         * Add warning tests
 630         * Relax unknown field handling: warn instead of error
 631         * Fix erroneous use of "-n" for additional fields, add "-f"
 632         * Output warnings and errors to stderr
 633         * Fix double typedef of bt_event_name
 634         * Parse clock descriptions
 635         * API : split iterator headers from babeltrace.h
 636         * Add missing context.h/context.c
 637         * Introduce contexts
 638         * Fix parallel build for lib/
 639         * Organise libbabeltrace
 640         * Export the format.h header
 641         * Create the babeltrace include dir on install
 642         * callbacks: use correct type for element size
 643         * callbacks: Fix set size array size
 644         * Fix callback chain array usage
 645         * Add time delta to ctf-text
 646         * ctf-text: show timestamp in sec.nsec
 647         * Fix wrong variable error check
 648         * Use the generic call to move_pos_slow
 649
 650 2011-12-12 Babeltrace 0.8
 651         * Add loglevel support
 652         * Update libpopt dependency to 1.13
 653         * Document dependency on libpopt >= 1.8
 654         * Describe libtool version dependency
 655         * AC_PROG_LIBTOOL is deprecated in favor of LT_INIT
 656         * Use realpath for path
 657         * Helper function to extract string from fields
 658         * Use realpath on trace collection path
 659         * allow printing domains when no procname are present, handle
 660           various / patterns
 661         * Add trace:domain,trace:procname,trace:pid support
 662         * Add "-n trace" option to print trace name
 663         * Do not install ctf-parser-test
 664         * Make ctf open errors more verbose
 665         * configure.ac: add check for popt library
 666         * Show field names by default, enhance --names option
 667         * Move opt_field_names/babeltrace_verbose/babeltrace_debug into lib
 668         * Add mmap trace reading
 669         * Pass stream pointer with callback caller data
 670
 671 2011-09-29 Babeltrace 0.7
 672         * Add missing stdint.h
 673         * Use integer extraction functions
 674         * Extract int and char arrays from fields
 675         * Add parameters to callbacks
 676         * Fix float support
 677         * Fix type cast warning
 678         * Integer support: add missing signed casts
 679         * Remove underscore prefix from field names (pretty-print)
 680         * Fix sequence iteration
 681         * Fix sequence field name use after free
 682         * Fix support for empty streams
 683         * Optional file pointer to metadata
 684         * Specify callback to move packet in open_trace
 685         * Free the callbacks on iter_destroy
 686         * Add callback support
 687         * Basic seek support
 688         * Add callback API
 689         * Enhance babeltrace API with position save/restore
 690         * Remove unused structure forward declarations
 691         * Remove stale local .c struct declarations (unused)
 692         * Annotate branches in ctf.c event reading/writing code
 693         * Annotate prio heap likely branch
 694         * Annotate likely/unlikely branches in headers
 695
 696 2011-08-12 Babeltrace 0.6
 697         * Introduce Babeltrace public API: babeltrace.h
 698         * Fix support for gold linker: inappropriate dep removal of plugins
 699
 700 2011-08-12 Babeltrace 0.5
 701         * Initialize size to 0 to eliminate incorrect gcc uninitialized
 702           var warning
 703         * Fix non-matching packet context wrt last packet event read