Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030184AbVKPGF7 (ORCPT ); Wed, 16 Nov 2005 01:05:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030186AbVKPGF7 (ORCPT ); Wed, 16 Nov 2005 01:05:59 -0500 Received: from web34115.mail.mud.yahoo.com ([66.163.178.113]:14224 "HELO web34115.mail.mud.yahoo.com") by vger.kernel.org with SMTP id S1030184AbVKPGF6 (ORCPT ); Wed, 16 Nov 2005 01:05:58 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:Received:Date:From:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=G1AYcOAbOYKrUMpsFfAGmezc/B/IaMPtfBf6G2b9hfbq8xlGx6SfsLQJV4GXmsBwWn1uuNsmACI8YLyYaV6FGBCDl156sxcaYywZlhw4L5UuitIj67oBNA0kwSg+HdR0Lsn4uskWnf95umt5UnnMJQwBKTFYVf+24csLBEJ1CWQ= ; Message-ID: <20051116060557.255.qmail@web34115.mail.mud.yahoo.com> Date: Tue, 15 Nov 2005 22:05:57 -0800 (PST) From: Kenny Simpson Subject: Re: mmap over nfs leads to excessive system load To: William Lee Irwin III Cc: linux kernel In-Reply-To: <20051116043152.GF6916@holomorphy.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 924 Lines: 30 --- William Lee Irwin III wrote: > 67%, or 2/3 of the samples, are in the top 6 functions. Have you tried > instruction-level profiling? It would be interesting to see what > codepaths within the functions are the largest offenders. > > > -- wli > I'm a little new to oprofile, but I'm willing to try any configuration or set of flags that could be useful. Are you referring to the -d option in opreport? --details / -d Show per-instruction details for all selected symbols. I'll give it a go when I get back to work. -Kenny __________________________________ Yahoo! Mail - PC Magazine Editors' Choice 2005 http://mail.yahoo.com - 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/