From: Ralf Hildebrandt <Ralf.Hildebrandt@charite.de>
To: linux-kernel@vger.kernel.org
Subject: Re: Costly Context Switches
Date: Mon, 13 Dec 2010 15:00:52 +0100 [thread overview]
Message-ID: <20101213140052.GQ11368@charite.de> (raw)
In-Reply-To: <20101213135104.GE5407@ghostprotocols.net>
* Arnaldo Carvalho de Melo <acme@ghostprotocols.net>:
> Better to record just "cs" (Context Switches) events and also to collect
> callchains when those events take place:
>
> [acme@felicio ~]$ perf record -e cs -g chromium-browser
OK, I will try this. The application is dovecot-2.0, so I need to perf
record it and all it's children (imap, pop3, auth, etc).
Is this done by default?
--
Ralf Hildebrandt
Geschäftsbereich IT | Abteilung Netzwerk
Charité - Universitätsmedizin Berlin
Campus Benjamin Franklin
Hindenburgdamm 30 | D-12203 Berlin
Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962
ralf.hildebrandt@charite.de | http://www.charite.de
next prev parent reply other threads:[~2010-12-13 14:09 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-12 15:11 Costly Context Switches Ralf Hildebrandt
2010-12-12 19:07 ` Andres Freund
2010-12-13 13:51 ` Arnaldo Carvalho de Melo
2010-12-13 14:00 ` Ralf Hildebrandt [this message]
2010-12-13 14:25 ` Andres Freund
2010-12-13 14:29 ` Arnaldo Carvalho de Melo
2010-12-13 14:30 ` Andres Freund
2010-12-13 14:36 ` Arnaldo Carvalho de Melo
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