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 36D3FC433E0 for ; Wed, 3 Jun 2020 15:57:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0CCCC206A2 for ; Wed, 3 Jun 2020 15:57:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726166AbgFCP5O (ORCPT ); Wed, 3 Jun 2020 11:57:14 -0400 Received: from mga17.intel.com ([192.55.52.151]:28312 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725867AbgFCP5N (ORCPT ); Wed, 3 Jun 2020 11:57:13 -0400 IronPort-SDR: ZnPh+v/62dXlseJuxArDCkhlZZh4BWCgDTqTcAfDwtqoMlSQ9xPz8sQF3B/710HxYM0040k2t/ ZmOguVT6Nlmg== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jun 2020 08:57:12 -0700 IronPort-SDR: EmkfzJUSwsm2kR3JKSUSPcV5tr4ZhvFlhtp88BuHQ06N4OdiIUjD2tlBq8qMu7ilGgcfvkYMAC bZIjW94PsTMg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,468,1583222400"; d="scan'208";a="416604242" Received: from linux.intel.com ([10.54.29.200]) by orsmga004.jf.intel.com with ESMTP; 03 Jun 2020 08:57:12 -0700 Received: from [10.249.225.188] (abudanko-mobl.ccr.corp.intel.com [10.249.225.188]) by linux.intel.com (Postfix) with ESMTP id 840BF58045A; Wed, 3 Jun 2020 08:57:10 -0700 (PDT) Subject: [PATCH v7 06/13] perf stat: factor out body of event handling loop for fork case From: Alexey Budankov To: Arnaldo Carvalho de Melo Cc: Jiri Olsa , Namhyung Kim , Alexander Shishkin , Peter Zijlstra , Ingo Molnar , Andi Kleen , linux-kernel References: <5de4b954-24f0-1e8d-5a0d-7b12783b8218@linux.intel.com> Organization: Intel Corp. Message-ID: <13c8fcb0-e97c-110a-6c10-e92145a7d374@linux.intel.com> Date: Wed, 3 Jun 2020 18:57:09 +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: <5de4b954-24f0-1e8d-5a0d-7b12783b8218@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 Factor out body of event handling loop for fork case reusing process_timeout() function. Signed-off-by: Alexey Budankov --- tools/perf/builtin-stat.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 62bad2df13ba..3bc538576607 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -798,13 +798,9 @@ static int __run_perf_stat(int argc, const char **argv, int run_idx) enable_counters(); if (interval || timeout) { - while (!waitpid(child_pid, &status, WNOHANG)) { + while (!stop && !waitpid(child_pid, &status, WNOHANG)) { nanosleep(&ts, NULL); - if (timeout) - break; - process_interval(); - if (interval_count && !(--times)) - break; + stop = process_timeout(timeout, interval, ×); } } if (child_pid != -1) { -- 2.24.1