Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753332Ab2JZB3M (ORCPT ); Thu, 25 Oct 2012 21:29:12 -0400 Received: from LGEMRELSE6Q.lge.com ([156.147.1.121]:53211 "EHLO LGEMRELSE6Q.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752589Ab2JZB3L (ORCPT ); Thu, 25 Oct 2012 21:29:11 -0400 X-AuditID: 9c930179-b7c8bae000003559-5f-5089e7654f11 From: Namhyung Kim To: Jiri Olsa Cc: linux-kernel@vger.kernel.org, Arnaldo Carvalho de Melo , Peter Zijlstra , Ingo Molnar , Paul Mackerras , Corey Ashford , Frederic Weisbecker Subject: Re: [PATCH 00/11] perf tool: Add PERF_SAMPLE_READ sample read support References: <1350743599-4805-1-git-send-email-jolsa@redhat.com> Date: Fri, 26 Oct 2012 10:29:09 +0900 In-Reply-To: <1350743599-4805-1-git-send-email-jolsa@redhat.com> (Jiri Olsa's message of "Sat, 20 Oct 2012 16:33:08 +0200") Message-ID: <87txti81i2.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: 718 Lines: 19 Hi Jiri, On Sat, 20 Oct 2012 16:33:08 +0200, Jiri Olsa wrote: > hi, > adding support to read sample values through the PERF_SAMPLE_READ > sample type. It's now possible to specify 'S' modifier for an event > and get its sample value by PERF_SAMPLE_READ. I have a question. What's an actual impact of specifying 'S' modifiere to a non-group event or even only a (non-leader) member of a group? For instance, 'cycles:S' or '{branches,branch-misses:S}'. 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/