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 09F11C433DF for ; Wed, 8 Jul 2020 07:47:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E069820739 for ; Wed, 8 Jul 2020 07:47:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727075AbgGHHrp (ORCPT ); Wed, 8 Jul 2020 03:47:45 -0400 Received: from mga02.intel.com ([134.134.136.20]:60128 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726342AbgGHHrp (ORCPT ); Wed, 8 Jul 2020 03:47:45 -0400 IronPort-SDR: jT5qVe74UmxQNsyxaLA7eCCM3lRx7krSug8sOOmMNjsYSKzJl1UwRicUpUc0A4386zjWtT9oZ/ Rm7hd4mc64iA== X-IronPort-AV: E=McAfee;i="6000,8403,9675"; a="135987842" X-IronPort-AV: E=Sophos;i="5.75,327,1589266800"; d="scan'208";a="135987842" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jul 2020 00:47:44 -0700 IronPort-SDR: 1D/JtnuSfCCoKYN+pqoTcXLFPhiswVea4KFhk0k+3QuBPjKv1PbkOLVv+k1DfHB+ZjvBG3d5UK fjJf3XaQ4dmQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,327,1589266800"; d="scan'208";a="297642967" Received: from linux.intel.com ([10.54.29.200]) by orsmga002.jf.intel.com with ESMTP; 08 Jul 2020 00:47:44 -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 74DC05807FC; Wed, 8 Jul 2020 00:47:42 -0700 (PDT) Subject: [PATCH v10 04/15] perf evlist: introduce control file descriptors 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: <92aa73c7-4148-a45d-6964-983fe1654d1e@linux.intel.com> Date: Wed, 8 Jul 2020 10:47:41 +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 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..2caf19fb87a8 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; + int ack; + int pos; + } ctl_fd; }; struct evsel_str_handler { -- 2.24.1