Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758930Ab2EYW1u (ORCPT ); Fri, 25 May 2012 18:27:50 -0400 Received: from mga03.intel.com ([143.182.124.21]:4928 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758523Ab2EYW1t (ORCPT ); Fri, 25 May 2012 18:27:49 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.71,315,1320652800"; d="scan'208";a="104447984" From: Andi Kleen To: Xin Tong Cc: linux-kernel Subject: Re: native_save_fl taking good amount of time in profile References: Date: Fri, 25 May 2012 15:27:47 -0700 In-Reply-To: (Xin Tong's message of "Fri, 25 May 2012 18:12:10 -0400") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 760 Lines: 19 Xin Tong writes: > I have collected a profile on the whole system. But the only thing > that is really running is a mysql database server. I have noticed that > there is a function in kernel that took 5% of the overall running > time. what does native_save_fl do ? does it make sense that > native_save_fl takes the most amount of time among all kernel > functions ? What are the callers (-g)? It does not make sense normally. -Andi -- ak@linux.intel.com -- Speaking for myself only -- 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/