Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932805Ab2JaHYb (ORCPT ); Wed, 31 Oct 2012 03:24:31 -0400 Received: from LGEMRELSE6Q.lge.com ([156.147.1.121]:52929 "EHLO LGEMRELSE6Q.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932093Ab2JaHY3 (ORCPT ); Wed, 31 Oct 2012 03:24:29 -0400 X-AuditID: 9c930179-b7c8bae000003559-79-5090d22b45c3 From: Namhyung Kim To: Ingo Molnar Cc: Peter Zijlstra , Arun Sharma , Arnaldo Carvalho de Melo , Paul Mackerras , LKML , Frederic Weisbecker , David Ahern , Jiri Olsa , Stephane Eranian Subject: Re: [RFC/PATCHSET 00/15] perf report: Add support to accumulate hist periods References: <1347520811-28150-1-git-send-email-namhyung@kernel.org> <1351537727.4047.21.camel@twins> <508EF6C1.4000302@fb.com> <87ehkg78dx.fsf@sejong.aot.lge.com> <1351585065.4047.33.camel@twins> <20121030090110.GA10193@gmail.com> Date: Wed, 31 Oct 2012 16:24:27 +0900 In-Reply-To: <20121030090110.GA10193@gmail.com> (Ingo Molnar's message of "Tue, 30 Oct 2012 10:01:10 +0100") Message-ID: <87wqy73xzo.fsf@sejong.aot.lge.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Brightmail-Tracker: AAAAAA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1132 Lines: 30 On Tue, 30 Oct 2012 10:01:10 +0100, Ingo Molnar wrote: > * Peter Zijlstra wrote: > >> On Tue, 2012-10-30 at 15:59 +0900, Namhyung Kim wrote: > >> > Yes, the callchain part needs to be improved. Peter's idea >> > indeed looks good to me too. >> >> FWIW, I think this is exactly what sysprof does, except that >> tool isn't usable for other reasons.. You might want to look >> at it though. > > I always found the fundamental sysprof system-wide call graph > profiling output/view superior - and so do many Xorg developers > who are using SysProf that I talked to - so I'd strongly > encourage to use that ordering and grouping for the default perf > call-graph profiling output/view. Okay, I'll look at the sysprof. Anyway, do you have any other comments for the general --cumulate approach in this series (esp. with --branch-stack)? Thanks, Namhyung -- 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/