From: Daniel.Thibault@drdc-rddc.gc.ca (Thibault, Daniel)
Subject: [lttng-dev] LTTng 2.9 sessiond misbehaving
Date: Wed, 5 Oct 2016 14:06:09 +0000 [thread overview]
Message-ID: <48CF5AC71E61DB46B70D0F388054EFFDB7DF14FE@VAL-E-01.valcartier.drdc-rddc.gc.ca> (raw)
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System profile:
Ubuntu 12.04.5 LTS precise, kernel 3.9.3
lttng-modules-2.9.0-pre-17-152fe7f
userspace-rcu-0.10-pre-2-d8a4979
lttng-ust-2.9.0-pre-84-4c62d8d
lttng-tools-2.9.0-pre-258-36bc42d
Running a user-local lttng-sessiond from the command line (after shutting down the root service):
$ lttng-sessiond -vvv 2>&1 | tee lttng-sessiond.1b.log
So far so good. I test the daemon with 'lttng list' from another shell. But when I hit ctrl-c in the daemon's shell, it doesn't respond and the CPU usage goes crazy (~90%). Can't sudo kill it either.
dmesg is utterly silent.
What is happening?
The log is available; here are the last few lines:
$ lttng-sessiond -vvv 2>&1 | tee lttng-sessiond.2.log
...
DEBUG3 - 09:53:51.873996 [3186/3189]: [ht-thread] Polling. (in thread_ht_cleanup() at ht-cleanup.c:124)
DEBUG3 - 09:53:51.874189 [3186/3186]: Session daemon client socket 14 and application socket 15 created (in init_daemon_socket() at main.c:5182)
DEBUG3 - 09:53:51.874203 [3186/3186]: Created hashtable size 4 at 0x1635110 of type 2 (in lttng_ht_new() at hashtable.c:145)
DEBUG3 - 09:53:51.874205 [3186/3186]: Global buffer per UID registry initialized (in buffer_reg_init_uid_registry() at buffer-registry.c:99)
...
DEBUG1 - 09:54:10.381606 [3186/3191]: Wait for client response (in thread_manage_clients() at main.c:4455)
DEBUG1 - 09:54:10.382236 [3186/3191]: Receiving data from client ... (in thread_manage_clients() at main.c:4500)
DEBUG1 - 09:54:10.383618 [3186/3191]: Processing client command 13 (in process_client_msg() at main.c:2984)
DEBUG1 - 09:54:10.383812 [3186/3191]: Counting number of available session for UID 1000 GID 1000 (in lttng_sessions_count() at main.c:2953)
DEBUG1 - 09:54:10.383923 [3186/3191]: Getting all available session for UID 1000 GID 1000 (in cmd_list_lttng_sessions() at cmd.c:3098)
DEBUG1 - 09:54:10.384067 [3186/3191]: Sending response (size: 20, retcode: Success (10)) (in thread_manage_clients() at main.c:4550)
DEBUG1 - 09:54:10.384221 [3186/3191]: Clean command context structure (in clean_command_ctx() at main.c:791)
DEBUG1 - 09:54:10.384330 [3186/3191]: Accepting client command ... (in thread_manage_clients() at main.c:4403)
^C
Daniel U. Thibault, M.Sc.²
Informaticien scientifique, CME-PSC, Centre de recherches de Valcartier
Recherche et développement pour la défense Canada / Gouvernement du Canada
daniel.thibault at drdc-rddc.gc.ca / Tél: 418-844-4000x4245 Téléc: 418-844-4538
daniel.thibault at forces.gc.ca / Tél: 418-844-4000x4245 Téléc: 418-844-4538
Computer Scientist, MCCS-SPC, Valcartier Research Centre
Defence Research and Development Canada / Government of Canada
daniel.thibault at drdc-rddc.gc.ca / Tel: 418-844-4000x4245 Fax: 418-844-4538
daniel.thibault at forces.gc.ca / Tel: 418-844-4000x4245 Fax: 418-844-4538
DRDC is an agency of the Department of National Defence / RDDC est une agence du ministère de la Défense nationale
next reply other threads:[~2016-10-05 14:06 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-05 14:06 Thibault, Daniel [this message]
2016-10-05 19:51 ` Thibault, Daniel
2016-10-06 12:29 ` Jérémie Galarneau
2016-10-06 20:49 ` Mathieu Desnoyers
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