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=-8.2 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 30022C433E0 for ; Wed, 8 Jul 2020 07:51:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0152420672 for ; Wed, 8 Jul 2020 07:51:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727848AbgGHHvY (ORCPT ); Wed, 8 Jul 2020 03:51:24 -0400 Received: from mga18.intel.com ([134.134.136.126]:51780 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725747AbgGHHvY (ORCPT ); Wed, 8 Jul 2020 03:51:24 -0400 IronPort-SDR: N7/eE2yzpKPYQbq18JQ7sn2PAGcYIGjdNxo6eTnjA5tDahLvG/gDUgqnF6PG4k/yY2aiq+wECc YgGQ4ChwuuBg== X-IronPort-AV: E=McAfee;i="6000,8403,9675"; a="135218224" X-IronPort-AV: E=Sophos;i="5.75,327,1589266800"; d="scan'208";a="135218224" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jul 2020 00:51:23 -0700 IronPort-SDR: AgP+MIjK5Ori9WSH1WG1rToNes90VH3gFBrsjMVZWJApQ/eJpMSAcCD5+rQOjUrtaM9FU9XUHi TmZNuU8J9UzA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,327,1589266800"; d="scan'208";a="358030557" Received: from linux.intel.com ([10.54.29.200]) by orsmga001.jf.intel.com with ESMTP; 08 Jul 2020 00:51:23 -0700 Received: from [10.249.226.44] (abudanko-mobl.ccr.corp.intel.com [10.249.226.44]) by linux.intel.com (Postfix) with ESMTP id A21925807C9; Wed, 8 Jul 2020 00:51:21 -0700 (PDT) Subject: [PATCH v10 07/15] perf stat: move target check to loop control statement From: Alexey Budankov To: Arnaldo Carvalho de Melo , Jiri Olsa Cc: Namhyung Kim , Alexander Shishkin , Peter Zijlstra , Ingo Molnar , Andi Kleen , linux-kernel References: <4af50c95-36f6-7a61-5a22-2949970fe7a5@linux.intel.com> Organization: Intel Corp. Message-ID: <4f967823-bbcb-720b-7a70-dd9509587b58@linux.intel.com> Date: Wed, 8 Jul 2020 10:51:20 +0300 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <4af50c95-36f6-7a61-5a22-2949970fe7a5@linux.intel.com> 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 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 80aea49e4dac..87eebf3f55ae 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -815,10 +815,8 @@ static int __run_perf_stat(int argc, const char **argv, int run_idx) psignal(WTERMSIG(status), argv[0]); } else { enable_counters(); - while (!done) { + while (!done && is_target_alive(&target, evsel_list->core.threads)) { nanosleep(&ts, NULL); - if (!is_target_alive(&target, evsel_list->core.threads)) - break; if (timeout || handle_interval(interval, ×)) break; } -- 2.24.1