From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756227AbdCUBTq (ORCPT ); Mon, 20 Mar 2017 21:19:46 -0400 Received: from bombadil.infradead.org ([65.50.211.133]:42247 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754834AbdCUBRp (ORCPT ); Mon, 20 Mar 2017 21:17:45 -0400 From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, Ravi Bangoria , Alexander Shishkin , Andi Kleen , Jiri Olsa , Peter Zijlstra , Stephane Eranian , Arnaldo Carvalho de Melo Subject: [PATCH 09/11] perf stat: Correct --no-aggr description Date: Mon, 20 Mar 2017 22:16:39 -0300 Message-Id: <20170321011641.25763-10-acme@kernel.org> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170321011641.25763-1-acme@kernel.org> References: <20170321011641.25763-1-acme@kernel.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ravi Bangoria Description of --no-aggr in perf-stat man page is outdated. --no-aggr can also be used while profiling specific set of cpus. For ex, $ perf stat -e cycles,instructions -C 1-2 --no-aggr -- sleep 1 Performance counter stats for 'CPU(s) 1-2': CPU1 5,94,92,795 cycles CPU2 2,69,72,403 cycles CPU1 2,02,08,327 instructions # 0.34 insn per cycle CPU2 73,17,123 instructions # 0.12 insn per cycle 1.000989132 seconds time elapsed Signed-off-by: Ravi Bangoria Cc: Alexander Shishkin Cc: Andi Kleen Cc: Jiri Olsa Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/r/1490013438-5713-1-git-send-email-ravi.bangoria@linux.vnet.ibm.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Documentation/perf-stat.txt | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index aecf2a87e7d6..978548138624 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -94,8 +94,7 @@ to activate system-wide monitoring. Default is to count on all CPUs. -A:: --no-aggr:: -Do not aggregate counts across all monitored CPUs in system-wide mode (-a). -This option is only valid in system-wide mode. +Do not aggregate counts across all monitored CPUs. -n:: --null:: -- 2.9.3