-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Did you installed lttng-modules ?
However, "Function not implemented" ... this sounds like the ioctl() syscall is not available in the kernel somehow... or not implemented in the libc you are using. David On 12-04-03 04:38 PM, [email protected] wrote: > > Hi David, > > That did it. I was avoiding using enable-events because of another error I was > seeing. Do you have any idea why the following error would be showing up? > > /tmp # lttng -vvv enable-event -a -k > DEBUG2: Config file path found: / [in get_session_name() at utils.c:49] > DEBUG1: Session name found: new3 [in get_session_name() at utils.c:50] > PERROR: create event ioctl: Function not implemented [in kernel_create_event() > at kernel.c:200] > Error: Events: Enable kernel event failed (channel channel0, session new3) > DEBUG1: Clean exit [in clean_exit() at lttng.c:165] > > Thank you, > Ryan Kyser > > > From: David Goulet <[email protected]> > To: [email protected] > Cc: [email protected] > Date: 04/03/2012 04:11 PM > Subject: Re: [lttng-dev] lttng create --output problem > > > > > > Hi Ryan, > > Well, the --output works on our test suites so it might be something you do > that > does not create the trace. > > Simply using create, start and stop will produce nothing. You have to at least > enable events for trace files to be created since they are opened by the > consumer. > > Can you try "lttng enable-events -a -k" (enabling all kernel events) after the > create session and tell me if it works for you? (or use user space tracing, > whatever works for you). > > If not, add "-vvv" to the lttng command for debug output and also for the > session daemon. > > # lttng-sessiond -vvv > # lttng -vvv ... > > Thanks! > David > > On 12-04-03 04:02 PM, [email protected] wrote: > >> Whenever I try using the --output flag for creating a new session, it doesn't >> seem to use the location specified. Additionally, if I do a find on the >> entire >> file system, no files are found that start with session name specified. This >> seems like a bug to me ... or am I doing something wrong? > >> //--------------------------------------- >> // Log >> //--------------------------------------- > >> / # lttng create --output /tmp new3 >> Session new3 created. >> Traces will be written in /tmp >> / # lttng start >> Tracing started for session new3 >> / # lttng stop >> Tracing stopped for session new3 >> / # ls /tmp >> wayland-0 wayland-0.lock > > >> Thank you, >> Ryan Kyser > > > >> _______________________________________________ >> lttng-dev mailing list >> [email protected] >> http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev > <http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev> _______________________________________________ lttng-dev mailing list [email protected] http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iQEcBAEBAgAGBQJPe2Y9AAoJEELoaioR9I02Wv8H/2kM15cYcxwOyXVm2PKr02O4 tP5KJCZKJ/oRZ8bmTezXLH5zSozgwnJ/usP7tDHSq55omKq2M9+iKzf1Ya9i8wu1 REcfvwEtn+jJJkUHyjxqvVp5WGl5F5TZAkTYfCOaWaF8Y3R/m3FZ2GnF67odbHN0 DN+A+Kvsa1K1TiBOaPXmNh96/XmwZVic/YOQ1J5Z7naf7t3vx0IWAJXZ6rmPBeyE F9NderBhQX31rUrxbau/G1rLTy0QhDuc3WkBf2D/+tm+GAEvlbbC9QJPLKqskKve h5hBRplFqt1EAHXLJ5mRVGPIpqXBUOOMSgGCrSvJtxQr/1VMQacYGlIhVESjFX4= =/kcT -----END PGP SIGNATURE----- _______________________________________________ lttng-dev mailing list [email protected] http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
