Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758972Ab2EYXKX (ORCPT ); Fri, 25 May 2012 19:10:23 -0400 Received: from mail-ob0-f174.google.com ([209.85.214.174]:51556 "EHLO mail-ob0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755340Ab2EYXKV (ORCPT ); Fri, 25 May 2012 19:10:21 -0400 MIME-Version: 1.0 In-Reply-To: References: Date: Fri, 25 May 2012 19:10:20 -0400 Message-ID: Subject: Re: native_save_fl taking good amount of time in profile From: Xin Tong To: Andi Kleen Cc: linux-kernel 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: 1018 Lines: 29 i do not know its callers from the profile. one thing i am suspicious of is that my kernel debug-info is wrong. by the way, what does the function do ? Thanks Xin On Fri, May 25, 2012 at 6:27 PM, Andi Kleen wrote: > 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/