From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2813DC433E0 for ; Mon, 1 Jun 2020 15:55:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0727920734 for ; Mon, 1 Jun 2020 15:55:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728081AbgFAPzJ (ORCPT ); Mon, 1 Jun 2020 11:55:09 -0400 Received: from mga07.intel.com ([134.134.136.100]:47441 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728031AbgFAPzJ (ORCPT ); Mon, 1 Jun 2020 11:55:09 -0400 IronPort-SDR: y6SFl9Qb1R5pJBXvxThzu9EoOkAXbEXLqFkBMAwR49cRXN0T8FvWRcOJatE6688wjx62p9y6Ga Oh6tsBF95EIw== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Jun 2020 08:55:07 -0700 IronPort-SDR: DuPWjWOHHv0VqSrq9GBDcwshYNb6Yj6K6/7sHAyoahjz7DALLafkOC59UrO5LcQRJnw2Th/Nzm zJiWr8hmfEDg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,461,1583222400"; d="scan'208";a="444335286" Received: from linux.intel.com ([10.54.29.200]) by orsmga005.jf.intel.com with ESMTP; 01 Jun 2020 08:55:07 -0700 Received: from [10.249.230.65] (abudanko-mobl.ccr.corp.intel.com [10.249.230.65]) by linux.intel.com (Postfix) with ESMTP id 54086580378; Mon, 1 Jun 2020 08:55:05 -0700 (PDT) Subject: [PATCH v5 05/13] perf stat: move target check to loop control statement From: Alexey Budankov To: Arnaldo Carvalho de Melo Cc: Jiri Olsa , Namhyung Kim , Alexander Shishkin , Peter Zijlstra , Ingo Molnar , Andi Kleen , linux-kernel References: Organization: Intel Corp. Message-ID: <08f23d8b-5406-d9be-2cda-cda187cbbdfd@linux.intel.com> Date: Mon, 1 Jun 2020 18:55:04 +0300 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.8.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Check for target existence in loop control statement jointly with 'stop' indicator based on command line values and external asynchronous 'done' signal. Signed-off-by: Alexey Budankov --- tools/perf/builtin-stat.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 834a3d791ee5..4d03b18231d4 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -770,10 +770,8 @@ static int __run_perf_stat(int argc, const char **argv, int run_idx) psignal(WTERMSIG(status), argv[0]); } else { enable_counters(); - while (!done && !stop) { + while (!done && !stop && is_target_alive(&target, evsel_list->core.threads)) { nanosleep(&ts, NULL); - if (!is_target_alive(&target, evsel_list->core.threads)) - break; stop = process_timeout(timeout, interval, ×); } } -- 2.24.1