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From: mathieu.desnoyers@efficios.com (Mathieu Desnoyers)
Subject: [lttng-dev] Babeltrace Buffer Warning
Date: Fri, 13 Apr 2012 09:01:56 -0400	[thread overview]
Message-ID: <20120413130156.GA10227@Krystal> (raw)
In-Reply-To: <E537659DE2B2C54EBD9FC9180F0598803902C36CF3@zulu.esk.fraunhofer.de>

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



  reply	other threads:[~2012-04-13 13:01 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-13 12:58 Salman Rafiq
2012-04-13 13:01 ` Mathieu Desnoyers [this message]
2012-04-16  6:58   ` Oestman, Fredrik
2012-04-16 13:52     ` Mathieu Desnoyers
2012-04-16 14:11       ` Oestman, Fredrik
2012-04-16 14:32         ` Mathieu Desnoyers
2012-04-18  8:05           ` Salman Rafiq
2012-04-18 13:55             ` Mathieu Desnoyers
2012-04-18 15:25               ` Salman Rafiq
2012-04-18 20:31                 ` Mathieu Desnoyers

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