Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755995Ab0FIBi2 (ORCPT ); Tue, 8 Jun 2010 21:38:28 -0400 Received: from mail-iw0-f174.google.com ([209.85.214.174]:54437 "EHLO mail-iw0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750885Ab0FIBi1 (ORCPT ); Tue, 8 Jun 2010 21:38:27 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=BkJAlQRYitBdkOk9/j8VzbTNBjHXXhAnbyyDw5GHGuVLDi2Tckq31jN3HfCTNGXUR7 EDFDeN7NDKpoEEiVCmzHcaoQDG60N46AFP3vsFB3mzTs+2fM5zo/hz4Iz3cxpX+QHLH9 ESi+Khmr3o1cqsRiXpLdg+EnUpPyWZT/JfSGA= MIME-Version: 1.0 Date: Wed, 9 Jun 2010 09:38:25 +0800 Message-ID: Subject: When and how to use ftrace? From: Ryan Wang To: linux-kernel@vger.kernel.org, kernelnewbies@nl.linux.org, srostedt@redhat.com Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 431 Lines: 13 Hi all, I'm new to kernel development, and I'm learning ftrace recently. I have one question: When to use ftrace, or in which cases ftrace can be more efficient? thanks, -- 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/