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LTTng
Bug #937: Babeltrace failure in live mode
Bug #945: Running cyclictest with lttng
Bug #946: LTTng trace splice size could be opitimized
Bug #967: It is possible to enable two events having two different types but sharing the same name
Feature #968: lttng-modules kernel and user callstack context
Bug #969: It is not possible to only enable/disable events with '*' in their names
Feature #981: Handle the flush of the last subbuffer
Bug #989: Error code correction for list_lttng_ust_global_events() and list_lttng_kernel_events()
Bug #1030: Ci: unit test are not running for stable v2.8 and greater
Bug #1038: Enabling all events for the JUL domain, while having disabled events
Bug #1073: Filtering test cases failing
Bug #1146: LD_PRELOAD applications using lttng-ust-pthread
Bug #1192: Web documentation improvement: describe use of CREATE_TRACE_POINTS for lttng-ust instrumentation
Bug #1195: Userspace tracing issue
Bug #1207: Tools 2.11 fails on destroy for lttng-modules 2.9
Bug #1208: 2.11 relayd in live mode attach window changed
Bug #1209: Tracking a PID after start of session result in error on lttng-sessiond
Feature #1268: Adopting a Vulnerability Disclosure Policy for our projects
Feature #1269: Document clearly the versioning scheme of lttng-projects.
Feature #1288: Combine all per-cpu shm areas for a channel into a single file
Bug #1298: LTTng build reprudibility for OE-core (yocto)
Bug #1315: Kernel panics after `pkill lttng`; root session daemon has active triggers
Bug #1343: Notifications tests hangs during OE/yocto.
Feature #1366: static library aka liblttng-ust.a
Bug #1369: Nano clock value overflows the signed 64-bit integer range on the babeltrace2 client side when per-process per-user trace file were transfer using lttng live protocol
Bug #1385: [lttng-live] error: recevie a message in the past
Bug #1427: lttng-tools fails to compile with libxml2 2.14.0+
Bug #1177: Document --pidfile of lttng-sessiond executable
Bug #1305: Kernel test hang
Feature #1347: Codename for 2.14
Bug #1370: Why "lttng create --live" spawns a local relay daemon but not in daemon mode?
Bug #934: Session in snapshot mode does not indicate a path when listed
Feature #990: Additional make check targets
Bug #1023: Error message on enabling event/all event for -j/-l/-p
Bug #1034: KPROBE & KREPROBE support for saved/loaded sessions is not working
Bug #1414: Enabling the event with exclusion did not work without restarting after launching the command.
Feature #211: Environment vars
Bug #1060: Document the extra reading subbuffer always allocated
Bug #1422: lttng-modules 2.13 does not compile under openeuler (kernel 5.10.0)
Babeltrace
Feature #1045: Wire up debug info on lttng_ust_cyg_profile event fields
Bug #1096: Babeltrace takes 100% CPU and 100% mem reading a malformed trace
Bug #1121: Babeltrace 2.0-pre reports negative timestamp with ctf-writer traces
Bug #1138: Live session listing return malformed url
Bug #1144: Babeltrace 1.5.3 intermittent error on lttng-live hooking
Feature #1164: Write a plugin to anonymize traces
Bug #1168: CTF for a user-plugged clock assumes that "offset" is unsigned, but a negative value can happen and will result in unparsable metadata getting stored
Bug #1220: filter.utils.trimmer component does not support streams without packets
Bug #1384: Assertion `bt_value_get_type(map) == BT_VALUE_TYPE_MAP` fails
Bug #1227: cli: Error when using --clock-cycles and -c sink.text.pretty at the same time
Bug #1229: flt.utils.trimmer: with no date, beginning time cannot be greater than end time
Bug #1230: flt.utils.trimmer: local time can be nonexistent or ambiguous with DST
Bug #1232: src.ctf.fs: variant option names without their tag equivalent are accepted, but the decoding process asserts
Feature #1233: Python: Add __str__ to Message types, and perhaps other types
Bug #1289: docs: document that the "notext" flag is required to build out of tree plug-ins when linking with LLVM's ld
Feature #1300: babeltrace2 lacks knowledge of bitwise enum produced by lttng-modules
Bug #1389: src.ctf.fs crash with invalid trace
Feature #1410: Add pretty-print sink options to override how to format floating point numbers
Bug #1350: Babeltrace failes at a negative clock `offset`
Bug #1221: Babeltrace 2 sometimes fail on live trace with lttng-clear feature
Bug #1222: src.ctf.lttng-live: reading two per-pid traces does not emit messages
Bug #1223: Check for cmp and diff in configure
Bug #1224: Crash while reading a live per-pid trace
Bug #1225: src.ctf.lttng-live: `sessions` query error reporting
Feature #1226: Allow making graph execution more "event-based"
Bug #1228: calling seek to beginning after seek to ns from origin
Bug #1234: src.text.dmesg: some kernel ring buffer lines can be wrongly sorted by time, leading to a muxer error
Bug #1236: SIGTRAP in glib found during fuzzing
Bug #1254: Trace with non-monotonic clocks make babeltrace2 abort
Bug #1258: Segmentation fault when running with --debug
Bug #1259: improved to description/usecases for streams and packets.
Bug #1260: Babeltrace 2 refuses a trace when a previous packet has an end time > begin of the next packet
Bug #1277: The `ctf` plugin does not support a negative TSDL clock class `offset` attribute
Bug #1278: "Graph failed to complete successfully" error
Bug #1282: `src.ctf.fs` accepts the same input twice
Bug #1293: Use after free in sink.ctf.fs finalize
Bug #1299: babeltrace2 re-uses prior event string rather than expected empty string
Bug #1319: Assert in emit_inactivity_message
Bug #1321: Segfault in bfcr_unsigned_int_cb()
Bug #1322: Assert in ctf_msg_iter_destroy()
Bug #1333: Crash on invalid argument sequence
Bug #1334: Python component class memory leak
Feature #1336: Improve usability of error messages
Bug #1338: Crash when specifying convert command with custom python plug-in
Bug #1346: sink.ctf.fs: Assertion failure while encoding length FC of dynamic array FC embedded within a static array FC
Bug #1348: Assertion failure when passing `smalltrace` CTF test trace twice to convert command
Bug #1351: Babeltrace2 failes at a negative clock `offset`
Bug #1364: CTF: Mismatching variant and tag selector and field names causes a crash
Bug #1374: Babeltrace fails to read trace with no data stream type ID when the metadata superfluously specifies an ID
Bug #1388: Assertion `this->active_stream_iter == 0` failed
Bug #1397: reserved identifier violation
Bug #1423: Make the test suite installable
LTTng-modules
Feature #336: Support splice() for partial pages
Feature #347: dump process hostname
Feature #396: Enable channel after start session
Feature #439: LTTng kernel tracepoint documentation
Feature #584: Confusing error message when trying to enable a non existant tracepoint
Feature #601: Add session to metadata environment
Feature #743: Enable channel *after* tracing has started
Feature #782: Syscalls extractor improvements
Bug #975: execve compat syscall exit syscall value issue
Feature #999: Support mmap for metadata channel
Feature #1039: Generate an event when Perf takes a sample
Feature #1061: New btrfs events should be added to lttng-modules instrumentation
Bug #1157: Re-enable LTTng lock_* tracepoints
Feature #1175: Resolving the name of memory barrier system call
Bug #1261: Missing filename field on first openat() syscall
Feature #1263: Re-integrate sample modules from libringbuffer into lttng-modules
Feature #1264: NOHZ support for lib ring buffer
Feature #1265: Turn lttng-probes.c probe_list into a hash table
Bug #1345: NULL pointer dereference when adding perf:cpu:cache-misses context
Bug #938: Enabling two events with same name but not the same event type cause no warning and does not behave as expected
Bug #1358: Failed to deploy lttng modules on NVIDIA jetson device
Bug #1426: lttng-modules 2.13.18 fails to compile for arm64
Feature #950: Exclude specific kernel events when enabling all of them
Feature #962: add x86 exceptions.h and irq_vectors.h instrumentation (and mpx.h)
Feature #963: Implement user-space stack dump context
Feature #964: Implement support for persistent memory buffers
Feature #1067: Update writeback instrumentation for newer kernels
Feature #1395: Add probe for io_uring
LTTng-tools
Bug #901: Some liblttng-ctl don't return LTTNG_OK on success
Bug #993: Re-enabling disabled events create new tracepoint events
Bug #1017: consumerd memory leak
Feature #1057: List only contexts that apply to a domain
Bug #1059: The save and load commands do not use the same default home directory
Bug #1072: configure does not check for needed Libxml2 symbols
Feature #1083: lttng-load and save are somewhat schizophrenic
Bug #1115: LTTng sessiond should accept different agent minor version number
Bug #1116: MI XSD minor version should have been bumped once or twice (?) between tools 2.8 and 2.10
Bug #1117: lttng-relayd should use specific major.minor versions for relay-consumer and relay-viewer protocols
Bug #1135: Contexts are applied to all channels without domain consideration
Feature #1163: Create an lttng-collectd skeleton for VM tracking feature
Bug #1181: Deadlock in session daemon and consumer for short lived apps in live per-pid
Bug #1184: can't report find any system calls with lttng list --kernel --syscall
Feature #1197: Use renameat2() to atomically exchange metadata on metadata regenerate
Bug #1206: live per-pid channel with short lived app becomes unusable
Bug #1211: Can't quit lttng-sessiond with ctrl-c when built with --disable-epoll
Bug #1215: Failed to start lttng-sessiond process
Bug #1243: lttng 2.11 / 2.12 fails to destroy sessions.
Bug #1248: filter-parser.y creates creates wrong ast for `hello[1][2]`
Bug #1256: Check babeltrace1 stderr output in tests
Bug #1262: Metadata channel properties are not configurable (kernel domain)
Bug #1267: odr-violation for config_str_yes
Feature #1287: Use abstract sockets for lttng-consumerd UST shared memory files
Bug #1302: Bad handling of invalid saved session files
Bug #1324: lttng_enable_event() and lttng_enable_event_with_filter() cannot always enable a "listed" recording event rule
Bug #1329: Assert in lttng-consumerd: consumer.c:lttng_consumer_rotate_channel()
Bug #1331: test_unix_socket fails for 64 bit arches on alpine linux but passes on 32bit arches
Bug #1340: Document behavior of per-uid UST buffers with respect to asynchronously killed traced applications
Feature #1341: Introduce "--shm-path-ust" to clarify use vs documentation
Bug #1342: Rotation thread's handling of session consumed size notifications is racy
Bug #1365: Repeated snapshots of session in snapshot mode yield sometimes empty results
Bug #1367: Sessions wih --no-output don't show lost packets
Bug #1371: Cannot have two non-root session daemons in two separate Docker containers with same user and same mounted home directory
Bug #1372: Consumer crashes during rotation (write to bad file descriptor)
Bug #1378: Document behavior of snapshot mode with per-pid UST buffers
Bug #1379: Document behavior of live mode with per-pid UST buffers
Bug #1381: lttng list-triggers crashing with 2.13.9
Bug #1383: The "cpu_id" context (available for filters) is not discoverable by end users
Bug #1392: lttng view: Stream 0 is not declared in metadata
Bug #1399: reserved identifier violation
Bug #1400: Completion of error handling
Bug #1402: Some files are missing REUSE licensing and copyright information
Bug #1407: Hang when stopping a live session with a low live value
Bug #1421: lttng session daemon hanging
Bug #1425: lttng tools test failure in regression/kernel/test_select_poll_epoll on 32 bit x86
Bug #1092: Channel switch timers don't seem to be honored
Bug #1102: Trigger conditions are not evaluated on subscription
Bug #1105: The trigger API should warn the client when an unsupported condition is being used
Bug #1114: Possible invalid discarded events count
Feature #749: lttng list <session> should list the contexts added to each channel
Feature #1133: Metadata regeneration does not have to be "destructive"
Feature #1137: Version handshake for lttng-consumerd and lttng-sessiond
Bug #1158: lttng-create(1) man page: it is not documented that --shm-path only applies to the user space domain
Bug #1159: Missing documentation: before Linux 4.17, suspending the system while tracing is active can result in incorrect event record timestamps
Feature #1180: SDT tracing does not work when the probes are compiled with semaphores
Bug #1219: regression/tools/clear intermitent failure on powerpc
Bug #1318: lttng-tools configured with --with-consumerd32-libdir --with-consumerd32-bin does not start a 32bit consumerd on launch
Bug #833: memcpy of non-packed struct into packed struct (possible layout mismatch)
Bug #1128: Contexts can be added multiple times to a kernel channel
Bug #1362: Listing a trigger with an event rule matches condition with a uprobe on an elf symbol crashes
Bug #752: Output paths need better handling than truncation
Bug #897: Some commands are not gracefully handling the absence of a session daemon
Bug #919: “lttng track” list pid in order when listing with ust. Kernel is alright. look for sorting and output
Feature #922: Expose cpu_id as a context field in lttng-tools (add-context)
Bug #928: It is possible to specify multiple positional arguments in enable-event command with no effect
Bug #930: "Non-default channel exists within session" when enabling UST/kernel and agent events
Feature #932: LTTng client error code semantics are ill-defined
Feature #961: Add additional criteria to disable-event
Feature #985: Print *real* total size of buffers on channel listing
Bug #987: Incomplete string comparison pattern
Bug #994: Configured metadata data channel not listed for UST domain
Bug #1024: lttng save [--all] issues misleading message when there are no sessions to save
Bug #1025: lttng load [--all] issues misleading message when there are no sessions to load
Bug #1026: lttng create should recover from a bad output option more gracefully
Bug #1033: lttng load does not preserve event or channel ordering
Bug #1068: lttng-ctl: lttng_load_session_attr_get_override_ctrl_url() returns NULL when the destination override is set using lttng_load_session_attr_set_override_url()
Bug #1182: relayd mishandles channels configured with tracefile-count == 0 and tracefile-size != 0
Bug #1124: lttng-sessiond saves empty domain stubs
Feature #1126: Analyse and refactor interaction based on pipe and converge toward a solution that will result in a convergence in code
Feature #1127: regression/tool/filtering use local gen-ust-event instead of tests/utils
Feature #35: Remote administration
Feature #77: Create developper documentation for the LTTng "control" API
Feature #106: Missing context information in list command
Feature #137: No more tracing possible after consumerD dies (via kill command)
Feature #193: Find a more intelligent heuristics for the FD reservation
Feature #15: LTTng simple trace
Feature #270: Be able to choose session by number in lttng list command
Feature #286: Add a --logfile option (or log through Syslog)
Bug #409: Detection of pipe close with POLLHUP poll(3) event
Feature #445: lttng enable-event and event redefinition: user feedback can be misleading
Bug #531: Event name scoping seems ill-defined
Feature #555: add-context --help lists perf fields even when the machine has no generic registers at all
Feature #558: Apply fd accounting technique from sessiond to consumerd
Bug #561: Under certain conditions, a user-space trace may overwrite itself
Feature #566: User-space data buffering schemes and the lttng user interface
Feature #573: Destroy an internal domain session on command error if created in that code flow
Bug #592: Potential trace process subdirectory name collision with PID namespaces
Feature #599: second snapshot not to gather data from the previous snapshot (no repeated events)
Bug #653: LTTng memory allocation failure goes unreported
Bug #720: Disambiguating fully qualified event names, timestamp-sensitive metadata
Feature #750: lttng add-context --channel should accept a list of channels
Feature #766: Trace file rotation to consider older sessions in same tree
Bug #797: Add more test for epoll in configure
Feature #632: Several commands could benefit from an "all" option
Feature #821: trace session name in the metadata
Bug #822: bash-completion sometimes completes too much
Feature #883: consumerd: Automatic reconnect to relayd
Feature #894: Cannot enable channel for JUL (-j) or Log4j (-l) domains
Bug #911: lttng save and MI should both point to their XSDs
Feature #960: Add a -m /--matching argument to enable-event
Feature #984: Session path in LTTng profiles should not contain date and time
Feature #986: Warn when unreasonably short timer values are used
Feature #1066: Add option for lttng-destroy to delete the trace folder
Feature #1391: Add 'enable-events' as a special argument to lttng-tools
Feature #1416: Trigger: Absence of events after a certain time (Watchdog)
LTTng-UST
Bug #292: Generated header files should not conflict with ust or standard ones.
Feature #327: Implement missing hostname context
Feature #446: Improve process startup time with many events
Feature #447: Support dlopen/dlclose of probe providers
Feature #483: Use "man 3 backtrace" to dump the stack state at record start (attach) time.
Feature #520: Allow override of /var/run directory
Bug #525: new "notifications" from UST do not strictly respect LTTNG_UST_REGISTER_TIMEOUT
Feature #527: Add git version information to project version
Feature #602: Add session to metadata environment
Feature #710: List event fields in the same order as the TP definition
Feature #717: Better validation of tracepoint provider headers?
Bug #1109: Fork() test 9 from Linux Test Project fails when traced with userspace events
Bug #1132: Fails to build with Crosscompiler
Bug #1203: Improve documentation of lttng-ust with daemons
Bug #1242: SEGV on process exit with shared library
Bug #1285: about close file failed for lttng-ust module
Bug #1294: add-context fails silently with perf_event_paranoid=4, no trace produced
Bug #1320: Assert in lttng-ring-buffer-client.h:437: client_buffer_begin()
Bug #1398: reserved identifier violation
Feature #65: Helper script to generate the tracepoint shared library
Feature #51: lttng-gen-tp: add python module output
Feature #395: Enable channel after start session
Feature #440: Tracepoint Documentation
Feature #508: arrays of floats are stored and/or displayed as arrays of ints
Feature #965: Implement UST statedump
Feature #1100: Add (possibly symbolic) event whenever blocking occurs due to excessive events
LTTngTop
Feature #713: Throughput display should be harmonized with lttng usage

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Assignee

Francis Deslauriers
Jonathan Rajotte Julien
Jonathan Rajotte Julien
Francis Deslauriers
Francis Deslauriers

Target version
 
2025-5
2025-6
2025-7
2025-8
2025-9
2025-10
 
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LTTng
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Babeltrace
LTTng-modules
LTTng-tools
Confirmed 0%
LTTng-UST
LTTngTop
 

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