PL-3:~ # lttng -h LTTng Trace Control 2.0.4 - Annedd'ale usage: lttng [OPTIONS] Options: -h, --help Show this help --list-options Simple listing of lttng options --list-commands Simple listing of lttng commands -v, --verbose Increase verbosity -q, --quiet Quiet mode -g, --group NAME Unix tracing group name. (default: tracing) -n, --no-sessiond Don't spawn a session daemon --sessiond-path PATH Session daemon full path Commands: add-context Add context to event and/or channel calibrate Quantify LTTng overhead create Create tracing session destroy Tear down tracing session enable-channel Enable tracing channel enable-event Enable tracing event disable-channel Disable tracing channel disable-event Disable tracing event list List possible tracing options set-session Set current session name start Start tracing stop Stop tracing version Show version information view Start trace viewer Each command also has its own -h, --help option. Please see the lttng(1) man page for full documentation. See http://lttng.org for updates, bug reports and news. PL-3:~ # PL-3:~ # PL-3:~ # ps -eaf | egrep "trace|lttng|demo" root 5633 1 0 10:50 ? 00:00:00 lttng-sessiond -d root 5722 1 0 10:50 ? 00:00:00 /opt/trace_ea/bin/TraceEa root 5732 1 0 10:50 ? 00:00:00 /opt/trace/sbin/trace_p root 5794 5722 0 10:50 ? 00:00:00 /opt/trace_ea/bin/TraceEa root 6802 5633 0 11:02 ? 00:00:00 lttng-consumerd --quiet -u --consumerd-cmd-sock /var/run/lttng/ustconsumerd64/command --consumerd-err-sock /var/run/lttng/ustconsumerd64/error root 11574 11517 0 12:20 pts/0 00:00:00 egrep trace|lttng|demo PL-3:~ # PL-3:~ # PL-3:~ # PL-3:~ # lttng list Currently no available tracing session PL-3:~ # PL-3:~ # PL-3:~ # lttng list -u UST events: ------------- None PL-3:~ # PL-3:~ # PL-3:~ # cd /cluster/temp/tdlt/lttng_demo_bin/ PL-3:/cluster/temp/tdlt/lttng_demo_bin # PL-3:/cluster/temp/tdlt/lttng_demo_bin # PL-3:/cluster/temp/tdlt/lttng_demo_bin # ll total 96 -rwxr-xr-x 1 root root 25142 Aug 15 12:06 demo -rwxr-xr-x 1 root root 119 Aug 15 12:06 demo-trace -rwxr-xr-x 1 root root 40243 Aug 15 12:06 liblttng-ust-provider-ust-tests-demo.so -rwxr-xr-x 1 root root 24012 Aug 15 12:06 liblttng-ust-provider-ust-tests-demo3.so PL-3:/cluster/temp/tdlt/lttng_demo_bin # PL-3:/cluster/temp/tdlt/lttng_demo_bin # PL-3:/cluster/temp/tdlt/lttng_demo_bin # lttng create ses2 -d /cluster/temp/ses2 usage: lttng create [options] [NAME] The default NAME is 'auto-yyyymmdd-hhmmss' -h, --help Show this help --list-options Simple listing of options -o, --output PATH Specify output path for traces Error: Undefined command PL-3:/cluster/temp/tdlt/lttng_demo_bin # lttng create ses2 -o /cluster/temp/ses2 Session ses2 created. Traces will be written in /cluster/temp/ses2 PL-3:/cluster/temp/tdlt/lttng_demo_bin # PL-3:/cluster/temp/tdlt/lttng_demo_bin # PL-3:/cluster/temp/tdlt/lttng_demo_bin # lttng enable-event ust_tests_demo* -u UST event ust_tests_demo* created in channel channel0 PL-3:/cluster/temp/tdlt/lttng_demo_bin # PL-3:/cluster/temp/tdlt/lttng_demo_bin # PL-3:/cluster/temp/tdlt/lttng_demo_bin # lttng list Available tracing sessions: 1) ses2 (/cluster/temp/ses2) [inactive] Use lttng list for more details PL-3:/cluster/temp/tdlt/lttng_demo_bin # PL-3:/cluster/temp/tdlt/lttng_demo_bin # lttng list ses2 Tracing session ses2: [inactive] Trace path: /cluster/temp/ses2 === Domain: UST global === Channels: ------------- - channel0: [enabled] Attributes: overwrite mode: 0 subbufers size: 4096 number of subbufers: 4 switch timer interval: 0 read timer interval: 200 output: mmap() Events: ust_tests_demo* (type: tracepoint) [enabled] PL-3:/cluster/temp/tdlt/lttng_demo_bin # PL-3:/cluster/temp/tdlt/lttng_demo_bin # LTTNG_UST_DEBUG=1 ./demo-trace 80 & [1] 11764 PL-3:/cluster/temp/tdlt/lttng_demo_bin # liblttng_ust_tracepoint[11765/11765]: just registered a tracepoints section from 0x7f65c3551bf8 and having 1 tracepoints (in tracepoint_register_lib() at tracepoint.c:639) liblttng_ust_tracepoint[11765/11765]: registered tracepoint: lttng_ust:metadata (in tracepoint_register_lib() at tracepoint.c:644) libust[11765/11765]: just registered probe lttng_ust containing 1 events (in ltt_probe_register() at ltt-probes.c:109) libust[11765/11765]: Registered event probe "lttng_ust:metadata" with signature "const char *, str" (in ltt_probe_register() at ltt-probes.c:118) libust[11765/11765]: LTT : ltt ring buffer client init (in ltt_ring_buffer_metadata_client_init() at ltt-ring-buffer-metadata-client.h:334) libust[11765/11765]: LTT : ltt ring buffer client init (in ltt_ring_buffer_client_overwrite_init() at ltt-ring-buffer-client.h:584) libust[11765/11765]: LTT : ltt ring buffer client init (in ltt_ring_buffer_client_discard_init() at ltt-ring-buffer-client.h:584) libust[11765/11767]: Info: sessiond not accepting connections to local apps socket (in ust_listener_thread() at lttng-ust-comm.c:716) libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11767]: Waiting for local apps sessiond (in wait_for_sessiond() at lttng-ust-comm.c:638) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) libust[11765/11765]: just registered probe ust_tests_demo3 containing 1 events (in ltt_probe_register() at ltt-probes.c:109) libust[11765/11765]: Registered event probe "ust_tests_demo3:done" with signature "int, value" (in ltt_probe_register() at ltt-probes.c:118) liblttng_ust_tracepoint[11765/11765]: Registering probe to tracepoint ust_tests_demo3:done (in __tracepoint_probe_register() at tracepoint.c:427) libust[11765/11765]: just registered probe ust_tests_demo2 containing 1 events (in ltt_probe_register() at ltt-probes.c:109) libust[11765/11765]: Registered event probe "ust_tests_demo2:loop" with signature "int, anint, int, netint, long *, values, char *, text, size_t, textlen, double, doublearg, float, floatarg" (in ltt_probe_register() at ltt-probes.c:118) liblttng_ust_tracepoint[11765/11765]: Registering probe to tracepoint ust_tests_demo2:loop (in __tracepoint_probe_register() at tracepoint.c:427) libust[11765/11765]: just registered probe ust_tests_demo containing 2 events (in ltt_probe_register() at ltt-probes.c:109) libust[11765/11765]: Registered event probe "ust_tests_demo:starting" with signature "int, value" (in ltt_probe_register() at ltt-probes.c:118) liblttng_ust_tracepoint[11765/11765]: Registering probe to tracepoint ust_tests_demo:starting (in __tracepoint_probe_register() at tracepoint.c:427) libust[11765/11765]: Registered event probe "ust_tests_demo:done" with signature "int, value" (in ltt_probe_register() at ltt-probes.c:118) liblttng_ust_tracepoint[11765/11765]: Registering probe to tracepoint ust_tests_demo:done (in __tracepoint_probe_register() at tracepoint.c:427) liblttng_ust_tracepoint[11765/11765]: just registered a tracepoints section from 0x602158 and having 4 tracepoints (in tracepoint_register_lib() at tracepoint.c:639) liblttng_ust_tracepoint[11765/11765]: registered tracepoint: ust_tests_demo3:done (in tracepoint_register_lib() at tracepoint.c:644) liblttng_ust_tracepoint[11765/11765]: registered tracepoint: ust_tests_demo2:loop (in tracepoint_register_lib() at tracepoint.c:644) liblttng_ust_tracepoint[11765/11765]: registered tracepoint: ust_tests_demo:done (in tracepoint_register_lib() at tracepoint.c:644) liblttng_ust_tracepoint[11765/11765]: registered tracepoint: ust_tests_demo:starting (in tracepoint_register_lib() at tracepoint.c:644) Demo program starting. PL-3:/cluster/temp/tdlt/lttng_demo_bin # lttng list Available tracing sessions: 1) ses2 (/cluster/temp/ses2) [inactive] Use lttng list for more details PL-3:/cluster/temp/tdlt/lttng_demo_bin # PL-3:/cluster/temp/tdlt/lttng_demo_bin # lttng list -u libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) UST events: ------------- PID: 11765 - Name: ./demo ust_tests_demo2:loop (loglevel: TRACE_WARNING (4)) (type: tracepoint) ust_tests_demo:done (loglevel: TRACE_CRIT (2)) (type: tracepoint) ust_tests_demo:starting (loglevel: TRACE_CRIT (2)) (type: tracepoint) ust_tests_demo3:done (loglevel: TRACE_WARNING (4)) (type: tracepoint) PL-3:/cluster/temp/tdlt/lttng_demo_bin # PL-3:/cluster/temp/tdlt/lttng_demo_bin # PL-3:/cluster/temp/tdlt/lttng_demo_bin # lttng start libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) liblttng_ust_tracepoint[11765/11766]: Registering probe to tracepoint lttng_ust:metadata (in __tracepoint_probe_register() at tracepoint.c:427) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) libust[11765/11766]: message received (in ust_listener_thread() at lttng-ust-comm.c:783) libust[11765/11766]: message successfully sent (in send_reply() at lttng-ust-comm.c:217) Tracing started for session ses2 PL-3:/cluster/temp/tdlt/lttng_demo_bin # PL-3:/cluster/temp/tdlt/lttng_demo_bin # PL-3:/cluster/temp/tdlt/lttng_demo_bin # lttng list Available tracing sessions: 1) ses2 (/cluster/temp/ses2) [active] Use lttng list for more details PL-3:/cluster/temp/tdlt/lttng_demo_bin # PL-3:/cluster/temp/tdlt/lttng_demo_bin # PL-3:/cluster/temp/tdlt/lttng_demo_bin # Tracing... done. liblttng_ust_tracepoint[11765/11765]: just unregistered a tracepoints section from 0x602158 (in tracepoint_unregister_lib() at tracepoint.c:679) libust[11765/11765]: just unregistered probe ust_tests_demo (in ltt_probe_unregister() at ltt-probes.c:131) libust[11765/11765]: just unregistered probe ust_tests_demo2 (in ltt_probe_unregister() at ltt-probes.c:131) libust[11765/11765]: just unregistered probe ust_tests_demo3 (in ltt_probe_unregister() at ltt-probes.c:131) liblttng_ust_tracepoint[11765/11765]: Un-registering probe from tracepoint lttng_ust:metadata (in __tracepoint_probe_unregister() at tracepoint.c:470) liblttng_ust_tracepoint[11765/11765]: Un-registering probe from tracepoint ust_tests_demo:done (in __tracepoint_probe_unregister() at tracepoint.c:470) liblttng_ust_tracepoint[11765/11765]: Un-registering probe from tracepoint ust_tests_demo:starting (in __tracepoint_probe_unregister() at tracepoint.c:470) liblttng_ust_tracepoint[11765/11765]: Un-registering probe from tracepoint ust_tests_demo2:loop (in __tracepoint_probe_unregister() at tracepoint.c:470) liblttng_ust_tracepoint[11765/11765]: Un-registering probe from tracepoint ust_tests_demo3:done (in __tracepoint_probe_unregister() at tracepoint.c:470) libust[11765/11765]: LTT : ltt ring buffer client exit (in ltt_ring_buffer_client_discard_exit() at ltt-ring-buffer-client.h:590) libust[11765/11765]: LTT : ltt ring buffer client exit (in ltt_ring_buffer_client_overwrite_exit() at ltt-ring-buffer-client.h:590) libust[11765/11765]: LTT : ltt ring buffer client exit (in ltt_ring_buffer_metadata_client_exit() at ltt-ring-buffer-metadata-client.h:340) libust[11765/11765]: just unregistered probe lttng_ust (in ltt_probe_unregister() at ltt-probes.c:131) liblttng_ust_tracepoint[11765/11765]: just unregistered a tracepoints section from 0x7f65c3551bf8 (in tracepoint_unregister_lib() at tracepoint.c:679) [1]+ Done LTTNG_UST_DEBUG=1 ./demo-trace 80 PL-3:/cluster/temp/tdlt/lttng_demo_bin # PL-3:/cluster/temp/tdlt/lttng_demo_bin # ps -eaf | egrep "trace|lttng|demo" root 5633 1 0 10:50 ? 00:00:00 lttng-sessiond -d root 5722 1 0 10:50 ? 00:00:00 /opt/trace_ea/bin/TraceEa root 5732 1 0 10:50 ? 00:00:00 /opt/trace/sbin/trace_p root 5794 5722 0 10:50 ? 00:00:00 /opt/trace_ea/bin/TraceEa root 6802 5633 0 11:02 ? 00:00:00 lttng-consumerd --quiet -u --consumerd-cmd-sock /var/run/lttng/ustconsumerd64/command --consumerd-err-sock /var/run/lttng/ustconsumerd64/error root 11914 11517 0 12:25 pts/0 00:00:00 egrep trace|lttng|demo PL-3:/cluster/temp/tdlt/lttng_demo_bin # PL-3:/cluster/temp/tdlt/lttng_demo_bin # PL-3:/cluster/temp/tdlt/lttng_demo_bin # ll /cluster/temp/ses2/ total 4 drwxrwx--- 3 root root 4096 Aug 15 12:23 ust PL-3:/cluster/temp/tdlt/lttng_demo_bin # ll /cluster/temp/ses2/ust/ total 4 drwxrwx--- 2 root root 4096 Aug 15 12:23 demo-11765-20120815-122331 PL-3:/cluster/temp/tdlt/lttng_demo_bin # ll /cluster/temp/ses2/ust/demo-11765-20120815-122331/ total 72 -rwxrwxrwx 1 root root 4096 Aug 15 12:24 channel0_0 -rwxrwxrwx 1 root root 4096 Aug 15 12:24 channel0_1 -rwxrwxrwx 1 root root 4096 Aug 15 12:24 channel0_10 -rwxrwxrwx 1 root root 4096 Aug 15 12:24 channel0_11 -rwxrwxrwx 1 root root 4096 Aug 15 12:24 channel0_12 -rwxrwxrwx 1 root root 4096 Aug 15 12:24 channel0_13 -rwxrwxrwx 1 root root 4096 Aug 15 12:24 channel0_14 -rwxrwxrwx 1 root root 4096 Aug 15 12:24 channel0_15 -rwxrwxrwx 1 root root 4096 Aug 15 12:24 channel0_2 -rwxrwxrwx 1 root root 4096 Aug 15 12:24 channel0_3 -rwxrwxrwx 1 root root 4096 Aug 15 12:24 channel0_4 -rwxrwxrwx 1 root root 4096 Aug 15 12:24 channel0_5 -rwxrwxrwx 1 root root 4096 Aug 15 12:24 channel0_6 -rwxrwxrwx 1 root root 4096 Aug 15 12:24 channel0_7 -rwxrwxrwx 1 root root 4096 Aug 15 12:24 channel0_8 -rwxrwxrwx 1 root root 4096 Aug 15 12:24 channel0_9 -rwxrwxrwx 1 root root 8192 Aug 15 12:24 metadata PL-3:/cluster/temp/tdlt/lttng_demo_bin # PL-3:/cluster/temp/tdlt/lttng_demo_bin # PL-3:/cluster/temp/tdlt/lttng_demo_bin # logout Connection to PL-3 closed. SC-1:/cluster/temp/eusgarc # babeltrace --no-delta -f trace:procname,trace:vpid -n payload /cluster/temp/ses2/ust/demo-11765-20120815-122331/ [12:24:51.542977068] demo:11765 ust_tests_demo:starting: { 13 }, { value = 123 } [12:24:51.542985203] demo:11765 ust_tests_demo2:loop: { 13 }, { intfield = 0, intfield2 = 0x0, longfield = 0, netintfield = 0, netintfieldhex = 0x0, arrfield1 = [ [0] = 1, [1] = 2, [2] = 3 ], arrfield2 = "test", _seqfield1_length = 4, seqfield1 = [ [0] = 116, [1] = 101, [2] = 115, [3] = 116 ], _seqfield2_length = 4, seqfield2 = "test", stringfield = "test", floatfield = 2222, doublefield = 2 } [12:24:51.542986838] demo:11765 ust_tests_demo2:loop: { 13 }, { intfield = 1, intfield2 = 0x1, longfield = 1, netintfield = 1, netintfieldhex = 0x1, arrfield1 = [ [0] = 1, [1] = 2, [2] = 3 ], arrfield2 = "test", _seqfield1_length = 4, seqfield1 = [ [0] = 116, [1] = 101, [2] = 115, [3] = 116 ], _seqfield2_length = 4, seqfield2 = "test", stringfield = "test", floatfield = 2222, doublefield = 2 } [12:24:51.542987895] demo:11765 ust_tests_demo2:loop: { 13 }, { intfield = 2, intfield2 = 0x2, longfield = 2, netintfield = 2, netintfieldhex = 0x2, arrfield1 = [ [0] = 1, [1] = 2, [2] = 3 ], arrfield2 = "test", _seqfield1_length = 4, seqfield1 = [ [0] = 116, [1] = 101, [2] = 115, [3] = 116 ], _seqfield2_length = 4, seqfield2 = "test", stringfield = "test", floatfield = 2222, doublefield = 2 } [12:24:51.542988939] demo:11765 ust_tests_demo2:loop: { 13 }, { intfield = 3, intfield2 = 0x3, longfield = 3, netintfield = 3, netintfieldhex = 0x3, arrfield1 = [ [0] = 1, [1] = 2, [2] = 3 ], arrfield2 = "test", _seqfield1_length = 4, seqfield1 = [ [0] = 116, [1] = 101, [2] = 115, [3] = 116 ], _seqfield2_length = 4, seqfield2 = "test", stringfield = "test", floatfield = 2222, doublefield = 2 } [12:24:51.542989978] demo:11765 ust_tests_demo2:loop: { 13 }, { intfield = 4, intfield2 = 0x4, longfield = 4, netintfield = 4, netintfieldhex = 0x4, arrfield1 = [ [0] = 1, [1] = 2, [2] = 3 ], arrfield2 = "test", _seqfield1_length = 4, seqfield1 = [ [0] = 116, [1] = 101, [2] = 115, [3] = 116 ], _seqfield2_length = 4, seqfield2 = "test", stringfield = "test", floatfield = 2222, doublefield = 2 } [12:24:51.542991190] demo:11765 ust_tests_demo:done: { 13 }, { value = 456 } [12:24:51.542991886] demo:11765 ust_tests_demo3:done: { 13 }, { value = 42 }