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=-8.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 D1EE1C433DF for ; Fri, 3 Jul 2020 07:45:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AE773206B6 for ; Fri, 3 Jul 2020 07:45:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726479AbgGCHpN (ORCPT ); Fri, 3 Jul 2020 03:45:13 -0400 Received: from mga07.intel.com ([134.134.136.100]:32336 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726082AbgGCHpN (ORCPT ); Fri, 3 Jul 2020 03:45:13 -0400 IronPort-SDR: wtwix1w3nZy4Jp70l0D3JCMJUvjyJMam69lP4zOj4ZcJSZZnYp5NZtbbVnOlDlwXwoJ2VVe/B5 bsG2gNjMVAaA== X-IronPort-AV: E=McAfee;i="6000,8403,9670"; a="212128706" X-IronPort-AV: E=Sophos;i="5.75,307,1589266800"; d="scan'208";a="212128706" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jul 2020 00:45:12 -0700 IronPort-SDR: Q2GBoXzrTIDO/wjbfCKBuOmkBHZrRwfvT5AFFq8DKoGsQOKL01TG6DOiR5E1RMidE1fVTt/3mA oIkj6BXuHcgw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,307,1589266800"; d="scan'208";a="356705985" Received: from linux.intel.com ([10.54.29.200]) by orsmga001.jf.intel.com with ESMTP; 03 Jul 2020 00:45:12 -0700 Received: from [10.249.231.67] (abudanko-mobl.ccr.corp.intel.com [10.249.231.67]) by linux.intel.com (Postfix) with ESMTP id 515BB580784; Fri, 3 Jul 2020 00:45:10 -0700 (PDT) Subject: [PATCH v9 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: Organization: Intel Corp. Message-ID: <28dc4fba-34fb-e398-7cad-825e57cce81d@linux.intel.com> Date: Fri, 3 Jul 2020 10:45:09 +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: 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 c74e8f94375c..3baf00482666 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -816,10 +816,8 @@ 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; if (timeout) break; stop = handle_interval(interval, ×); -- 2.24.1