From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934195AbZKXWfE (ORCPT ); Tue, 24 Nov 2009 17:35:04 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933965AbZKXWfD (ORCPT ); Tue, 24 Nov 2009 17:35:03 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:35762 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933903AbZKXWfC (ORCPT ); Tue, 24 Nov 2009 17:35:02 -0500 Date: Tue, 24 Nov 2009 23:34:43 +0100 From: Ingo Molnar To: Li Zefan Cc: Pekka Enberg , Eduard - Gabriel Munteanu , Peter Zijlstra , Frederic Weisbecker , LKML , "linux-mm@kvack.org" Subject: Re: [PATCH 0/5] perf kmem: Add more functions and show more statistics Message-ID: <20091124223443.GA7189@elte.hu> References: <4B0B6E44.6090106@cn.fujitsu.com> <20091124090425.GF21991@elte.hu> <4B0BA99D.5020602@cn.fujitsu.com> <20091124100724.GA5570@elte.hu> <4B0BBDBF.6050806@cn.fujitsu.com> <20091124203559.GA450@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20091124203559.GA450@elte.hu> User-Agent: Mutt/1.5.20 (2009-08-17) X-ELTE-SpamScore: -2.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.5 -2.0 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Ingo Molnar wrote: > > * Li Zefan wrote: > > > So I think some new updates on kernel perf_event break. > > yeah, you were right. This commit in latest -tip should fix it: > > fe61267: perf_events: Fix bad software/trace event recursion counting i tested perf kmem and it works fine now: aldebaran:~> perf kmem SUMMARY ======= Total bytes requested: 153166032 Total bytes allocated: 188544080 Total bytes wasted on internal fragmentation: 35378048 Internal fragmentation: 18.763807% Cross CPU allocations: 61680/451425 Ingo From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail143.messagelabs.com (mail143.messagelabs.com [216.82.254.35]) by kanga.kvack.org (Postfix) with ESMTP id 3B3A06B007B for ; Tue, 24 Nov 2009 17:35:04 -0500 (EST) Date: Tue, 24 Nov 2009 23:34:43 +0100 From: Ingo Molnar Subject: Re: [PATCH 0/5] perf kmem: Add more functions and show more statistics Message-ID: <20091124223443.GA7189@elte.hu> References: <4B0B6E44.6090106@cn.fujitsu.com> <20091124090425.GF21991@elte.hu> <4B0BA99D.5020602@cn.fujitsu.com> <20091124100724.GA5570@elte.hu> <4B0BBDBF.6050806@cn.fujitsu.com> <20091124203559.GA450@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20091124203559.GA450@elte.hu> Sender: owner-linux-mm@kvack.org To: Li Zefan Cc: Pekka Enberg , Eduard - Gabriel Munteanu , Peter Zijlstra , Frederic Weisbecker , LKML , "linux-mm@kvack.org" List-ID: * Ingo Molnar wrote: > > * Li Zefan wrote: > > > So I think some new updates on kernel perf_event break. > > yeah, you were right. This commit in latest -tip should fix it: > > fe61267: perf_events: Fix bad software/trace event recursion counting i tested perf kmem and it works fine now: aldebaran:~> perf kmem SUMMARY ======= Total bytes requested: 153166032 Total bytes allocated: 188544080 Total bytes wasted on internal fragmentation: 35378048 Internal fragmentation: 18.763807% Cross CPU allocations: 61680/451425 Ingo -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org