From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752197AbeAXCni (ORCPT ); Tue, 23 Jan 2018 21:43:38 -0500 Received: from mail-pf0-f171.google.com ([209.85.192.171]:37361 "EHLO mail-pf0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752043AbeAXCng (ORCPT ); Tue, 23 Jan 2018 21:43:36 -0500 X-Google-Smtp-Source: AH8x2272kf84q2hHVA94eOIYoEXKZH1KL5FOkZM5FWXH9zFR6kNh+TYBoSfQNk54SUIHwCuXzIxLKA== From: ufo19890607 To: peterz@infradead.org, mingo@redhat.com, alexander.shishkin@linux.intel.com, jolsa@kernel.org, dsahern@gmail.com, namhyung@kernel.org, milian.wolff@kdab.com, arnaldo.melo@gmail.com, yuzhoujian@didichuxing.com, adrian.hunter@intel.com, wangnan0@huawei.com Cc: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, acme@redhat.com Subject: perf stat: Add support to print counts for fixed times Date: Wed, 24 Jan 2018 03:43:19 +0100 Message-Id: <1516761799-25350-1-git-send-email-ufo19890607@gmail.com> X-Mailer: git-send-email 1.8.3.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: yuzhoujian Hi Jirka And how can you control the output for perf stat, if I don't want to use the "sleep" workload, like some user programs. I want to check the "cycles" for this program when it just begin to run. root@node10:/home$ gcc -g -o malloc malloc.c root@node10:/home$ ./perf stat -e cycles -I 1000 --times-print 3 ./malloc & [1] 32586 # time counts unit events 1.000094153 2,914,162,979 cycles 2.000323667 3,062,832,799 cycles 3.000443807 3,063,146,609 cycles Best wishes