It may be what I am looking for. Are you saying that lttng-sessiond will pick up the session from whereever it is and continue it?
BTW, I am using only UST for now. Amit Margalit IBM XIV - Storage Reinvented XIV-NAS Development Team Tel. 03-689-7774 Fax. 03-689-7230 From: Jérémie Galarneau <[email protected]> To: Amit Margalit/Israel/IBM@IBMIL Cc: lttng-dev <[email protected]> Date: 03/18/2014 04:19 PM Subject: Re: [lttng-dev] Trace rotation across sessions Sent by: [email protected] On Tue, Mar 18, 2014 at 4:52 AM, Amit Margalit <[email protected]> wrote: > Hello, > > Our system has a running session that stays on continuously. > > Occasionally, our customer will upgrade the software, leading to a reboot, > which in turn means we will have a new session. > > Is there any way to make LTTng aware of the total size of all sessions > (current and past) and simply rotate files to keep the entire set of traces > under a size limit? > The only way I can see this working is by recreating the same session configuration (with the same output destination) and using lttng enable-channel's -C (tracefile-size) and -W (tracefile-count) options to define an upper bound on each trace's size. Is this what you are looking for? Jérémie > Thanks, > > Amit Margalit > IBM XIV - Storage Reinvented > XIV-NAS Development Team > Tel. 03-689-7774 > Fax. 03-689-7230 > _______________________________________________ > lttng-dev mailing list > [email protected] > http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev > -- Jérémie Galarneau EfficiOS Inc. http://www.efficios.com
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