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 5EEA0C433E0 for ; Fri, 3 Jul 2020 07:45:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3948E206BE for ; Fri, 3 Jul 2020 07:45:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726669AbgGCHpq (ORCPT ); Fri, 3 Jul 2020 03:45:46 -0400 Received: from mga11.intel.com ([192.55.52.93]:14539 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725779AbgGCHpp (ORCPT ); Fri, 3 Jul 2020 03:45:45 -0400 IronPort-SDR: mfAQtgYEY13MRch4h8y4Jj5w/6FbxWk5ZlqnDY29LBc3hwsQGwBlbIY03ymfKqfnEogYFDWRA2 n3MWusytf5Iw== X-IronPort-AV: E=McAfee;i="6000,8403,9670"; a="145244732" X-IronPort-AV: E=Sophos;i="5.75,307,1589266800"; d="scan'208";a="145244732" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jul 2020 00:45:45 -0700 IronPort-SDR: zo8jsVYigvUWUoEjQPL2sr+72OavrqJuWB3OLHybPlKdnlyD2luQ7h6lOl0e+agY3EpHAou2aw P45d9t24C9JA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,307,1589266800"; d="scan'208";a="482291294" Received: from linux.intel.com ([10.54.29.200]) by fmsmga005.fm.intel.com with ESMTP; 03 Jul 2020 00:45:45 -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 49444580784; Fri, 3 Jul 2020 00:45:42 -0700 (PDT) Subject: [PATCH v9 08/15] perf stat: factor out body of event handling loop for fork case 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: <15df730e-d946-c7f8-5fb3-67c95596332f@linux.intel.com> Date: Fri, 3 Jul 2020 10:45:40 +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 Factor out body of event handling loop for fork case reusing handle_interval() function. Signed-off-by: Alexey Budankov --- tools/perf/builtin-stat.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 3baf00482666..3e11f854ffc8 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -791,13 +791,11 @@ 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 = handle_interval(interval, ×); } } if (child_pid != -1) { -- 2.24.1