From mboxrd@z Thu Jan 1 00:00:00 1970 From: compudj@krystal.dyndns.org (Mathieu Desnoyers) Date: Mon, 12 Jan 2009 11:38:59 -0500 Subject: [ltt-dev] LTTng 0.73 for Linux 2.6.28 In-Reply-To: <1E65288790442545B413D69F2A8D27DE04599F3F@ERLD164A.ww004.siemens.net> References: <20090109235449.GA21999@Krystal> <1E65288790442545B413D69F2A8D27DE04599F3F@ERLD164A.ww004.siemens.net> Message-ID: <20090112163859.GB26647@Krystal> Ok, I've added the following explanation : * Userspace tracing Make sure you selected the kernel menuconfig option : or <*> Support logging events from userspace And that the ltt-userspace-event kernel module is loaded if selected as a module. Simple userspace tracing is available through echo "some text to record" > /mnt/debugfs/ltt/write_event It will appear in the trace under event : channel : userspace event name : event Thanks for the feedback ! Mathieu * Akyurek, Ali (EXT) (ali.akyurek.ext at siemens.com) wrote: > > Hi Mathieu, > > Thanks for the new version. > In quickstart you mention about simple userspace tracing. > But, "modprobe ltt-userspace-event" is missing. If simple userspace tracing requires no more ltt-userspace-event, then, that's ok. > Otherwise it's better to mention about ltt-userpace-event module, in my opinion. > > Ali. > > > > -----Urspr?ngliche Nachricht----- > Von: Mathieu Desnoyers [mailto:compudj at krystal.dyndns.org] > Gesendet: Samstag, 10. Januar 2009 00:55 > An: ltt-dev at lists.casi.polymtl.ca; linux-kernel at vger.kernel.org > Betreff: [ltt-dev] LTTng 0.73 for Linux 2.6.28 > > Hi everyone, > > I just ported LTTng to 2.6.28. Enjoy ! > > You may also want to upgrade to lttv 0.12.5 which puts back the syscall > and softirq names in the event list. > > For newcomers, instructions to install LTTng can be found at : > http://ltt.polymtl.ca/svn/trunk/lttv/QUICKSTART > > (I just updated the QUICKSTART guide. Please feel free to try it and > report inconsistencies.) > > Mathieu > > > -- > Mathieu Desnoyers > OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 > > _______________________________________________ > ltt-dev mailing list > ltt-dev at lists.casi.polymtl.ca > http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev > -- Mathieu Desnoyers OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68