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 84E40C433DF for ; Mon, 25 May 2020 14:18:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 57A242087D for ; Mon, 25 May 2020 14:18:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390959AbgEYOSS (ORCPT ); Mon, 25 May 2020 10:18:18 -0400 Received: from mga04.intel.com ([192.55.52.120]:33005 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388714AbgEYOSS (ORCPT ); Mon, 25 May 2020 10:18:18 -0400 IronPort-SDR: 9kp7l0/1emJTFCCPnoKx0KxazPR0UTzH+ZWA1sNleCCFnzXWWBzJUEU80X6j9oO4VYblxoUUZW 2r9rn0eHpb3Q== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 May 2020 07:18:17 -0700 IronPort-SDR: PKwa7hdP8nhfjwrEaBTbkaN6IUMrskWubvB+npKhli0a/j7hsLqQjFtAXRDHo4OOUMTCAK0z31 yXbr3xoodNoA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,433,1583222400"; d="scan'208";a="301433081" Received: from linux.intel.com ([10.54.29.200]) by fmsmga002.fm.intel.com with ESMTP; 25 May 2020 07:18:17 -0700 Received: from [10.249.227.191] (abudanko-mobl.ccr.corp.intel.com [10.249.227.191]) by linux.intel.com (Postfix) with ESMTP id AA7BA580101; Mon, 25 May 2020 07:18:15 -0700 (PDT) Subject: [PATCH v4 02/10] 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: <653fe5f3-c986-a841-1ed8-0a7d2fa24c00@linux.intel.com> Organization: Intel Corp. Message-ID: <4bb72e44-5085-8e8a-e78e-c2d6e06e0796@linux.intel.com> Date: Mon, 25 May 2020 17:18:14 +0300 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: <653fe5f3-c986-a841-1ed8-0a7d2fa24c00@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 2a9de6491700..0872b0b04a42 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 b6f325dfb4d2..0d8b361f1c8e 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