From mboxrd@z Thu Jan 1 00:00:00 1970 From: mathieu.desnoyers@efficios.com (Mathieu Desnoyers) Date: Fri, 13 Apr 2012 09:01:56 -0400 Subject: [lttng-dev] Babeltrace Buffer Warning In-Reply-To: References: Message-ID: <20120413130156.GA10227@Krystal> Hi, * Salman Rafiq (salman.rafiq at esk.fraunhofer.de) wrote: > Dear Julien, > > > > My kernel traced files are very large in size, thus when I try to convert CTF->text using "babeltrace" and redirect output to a file using '>' operator, I get the following warnings: > > [warning] Tracer discarded 280625 events between [1334315833.578351009] and [1334315833.578351380]. You should consider increasing the buffer size. > [...] > I would like to know, which buffer size shall I change to avoid events discard? Please see: lttng enable-channel --help the "--subbuf-size" and "--num-subbuf" options are what you are looking for. Issue the enable-channel command before any enable-event for your session and all the events will be recorded into that channel. Best regards, Mathieu -- Mathieu Desnoyers Operating System Efficiency R&D Consultant EfficiOS Inc. http://www.efficios.com