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=-11.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 7DFB6C43457 for ; Tue, 14 Jul 2020 09:05:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5C6C12076D for ; Tue, 14 Jul 2020 09:05:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727107AbgGNJFQ (ORCPT ); Tue, 14 Jul 2020 05:05:16 -0400 Received: from mga11.intel.com ([192.55.52.93]:10742 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727103AbgGNJFM (ORCPT ); Tue, 14 Jul 2020 05:05:12 -0400 IronPort-SDR: boeVU5t4SV4mArsN6tZRj1KvTsqctRmzeNSUHeO8jFSlcAnDYCj551N03ziY0mlSxM46oOd2/5 fbatN9kyIuIA== X-IronPort-AV: E=McAfee;i="6000,8403,9681"; a="146857499" X-IronPort-AV: E=Sophos;i="5.75,350,1589266800"; d="scan'208";a="146857499" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Jul 2020 02:05:11 -0700 IronPort-SDR: hd17/lg7afTynaMmuYWsnGADa2CuUdGgMigR7ho1Rbevtq4ham9Nb4ixELEAkJ7sSuFgeXQqOF 4LW85DsFkhtA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,350,1589266800"; d="scan'208";a="316326542" Received: from linux.intel.com ([10.54.29.200]) by orsmga008.jf.intel.com with ESMTP; 14 Jul 2020 02:05:11 -0700 Received: from [10.249.230.149] (abudanko-mobl.ccr.corp.intel.com [10.249.230.149]) by linux.intel.com (Postfix) with ESMTP id 8A60E580814; Tue, 14 Jul 2020 02:05:07 -0700 (PDT) Subject: [PATCH v11 04/15] perf evlist: introduce control file descriptors From: Alexey Budankov To: Arnaldo Carvalho de Melo Cc: Jiri Olsa , Namhyung Kim , Alexander Shishkin , Peter Zijlstra , Ingo Molnar , Andi Kleen , linux-kernel References: <037d737f-0ada-a9f0-9686-f7521ca6fbc3@linux.intel.com> Organization: Intel Corp. Message-ID: <7a305109-f579-c175-2110-2063b774c592@linux.intel.com> Date: Tue, 14 Jul 2020 12:05:05 +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: <037d737f-0ada-a9f0-9686-f7521ca6fbc3@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 Define and initialize control file descriptors. Signed-off-by: Alexey Budankov --- tools/perf/util/evlist.c | 3 +++ tools/perf/util/evlist.h | 5 +++++ 2 files changed, 8 insertions(+) diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index bcbe0cb8482e..36eb50aba1f5 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -63,6 +63,9 @@ void evlist__init(struct evlist *evlist, struct perf_cpu_map *cpus, perf_evlist__set_maps(&evlist->core, cpus, threads); evlist->workload.pid = -1; evlist->bkw_mmap_state = BKW_MMAP_NOTREADY; + evlist->ctl_fd.fd = -1; + evlist->ctl_fd.ack = -1; + evlist->ctl_fd.pos = -1; } struct evlist *evlist__new(void) diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index 38901c0d1599..fe1fe40e044b 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -74,6 +74,11 @@ struct evlist { pthread_t th; volatile int done; } thread; + struct { + int fd; /* control file descriptor */ + int ack; /* ack file descriptor for control commands */ + int pos; /* index at evlist core object to check signals */ + } ctl_fd; }; struct evsel_str_handler { -- 2.24.1