Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754635AbdCTMjZ (ORCPT ); Mon, 20 Mar 2017 08:39:25 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:40758 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754367AbdCTMiq (ORCPT ); Mon, 20 Mar 2017 08:38:46 -0400 From: Ravi Bangoria To: acme@kernel.org Cc: peterz@infradead.org, mingo@redhat.com, alexander.shishkin@linux.intel.com, jolsa@redhat.com, ak@linux.intel.com, eranian@google.com, linux-kernel@vger.kernel.org, Ravi Bangoria Subject: [PATCH] perf stat: Correct --no-aggr description Date: Mon, 20 Mar 2017 18:07:18 +0530 X-Mailer: git-send-email 2.1.4 X-TM-AS-MML: disable x-cbid: 17032012-0008-0000-0000-0000054278FC X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17032012-0009-0000-0000-0000134D8B31 Message-Id: <1490013438-5713-1-git-send-email-ravi.bangoria@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-03-20_09:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=1 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1702020001 definitions=main-1703200111 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1167 Lines: 35 Description of --no-aggr in perf-stat man page is outdated.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 --- 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 aecf2a8..9785481 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:: -- 2.1.4