Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757942Ab0LMOJW (ORCPT ); Mon, 13 Dec 2010 09:09:22 -0500 Received: from mail2.charite.de ([193.175.72.31]:57328 "EHLO mail-ausfall.charite.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1757634Ab0LMOJV (ORCPT ); Mon, 13 Dec 2010 09:09:21 -0500 Date: Mon, 13 Dec 2010 15:00:52 +0100 From: Ralf Hildebrandt To: linux-kernel@vger.kernel.org Subject: Re: Costly Context Switches Message-ID: <20101213140052.GQ11368@charite.de> Mail-Followup-To: linux-kernel@vger.kernel.org References: <20101212151112.GE26583@charite.de> <201012122007.07372.andres@anarazel.de> <20101213135104.GE5407@ghostprotocols.net> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20101213135104.GE5407@ghostprotocols.net> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 919 Lines: 27 * Arnaldo Carvalho de Melo : > 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/