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,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 DEAA2C433E1 for ; Fri, 17 Jul 2020 07:00:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B1D5020704 for ; Fri, 17 Jul 2020 07:00:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727052AbgGQHAw (ORCPT ); Fri, 17 Jul 2020 03:00:52 -0400 Received: from mga07.intel.com ([134.134.136.100]:41743 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726201AbgGQHAw (ORCPT ); Fri, 17 Jul 2020 03:00:52 -0400 IronPort-SDR: gjHgQ7QMkvMVHq/k3WD0/8gd4p/mdMTUXjz2QiRu3CwrZgVNmzYnlZVe9/1ZIug5wnpBpyxmgR j+SpXFsDR76A== X-IronPort-AV: E=McAfee;i="6000,8403,9684"; a="214267045" X-IronPort-AV: E=Sophos;i="5.75,362,1589266800"; d="scan'208";a="214267045" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Jul 2020 00:00:51 -0700 IronPort-SDR: excIWyKBuPsVywzB44JOQNGAG097FGNNWK7aom+kfoAGF9Rig+OsSUqEHazktip9bflM8HNIeT 8V1BJwPuiAxA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,362,1589266800"; d="scan'208";a="486379083" Received: from linux.intel.com ([10.54.29.200]) by fmsmga006.fm.intel.com with ESMTP; 17 Jul 2020 00:00:51 -0700 Received: from [10.249.224.34] (abudanko-mobl.ccr.corp.intel.com [10.249.224.34]) by linux.intel.com (Postfix) with ESMTP id 03DF4580824; Fri, 17 Jul 2020 00:00:48 -0700 (PDT) Subject: [PATCH v12 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: <8d91c3a0-3db4-0a7a-ae13-299adb444bd6@linux.intel.com> Organization: Intel Corp. Message-ID: <0dd4f544-2610-96d6-1bdb-6582bdc3dc2c@linux.intel.com> Date: Fri, 17 Jul 2020 10:00:47 +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: <8d91c3a0-3db4-0a7a-ae13-299adb444bd6@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 Acked-by: Jiri Olsa Acked-by: Namhyung Kim --- 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