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, 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 B86D3C433DF for ; Wed, 17 Jun 2020 08:36:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A04772073E for ; Wed, 17 Jun 2020 08:36:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726934AbgFQIgA (ORCPT ); Wed, 17 Jun 2020 04:36:00 -0400 Received: from mga07.intel.com ([134.134.136.100]:63091 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726597AbgFQIf7 (ORCPT ); Wed, 17 Jun 2020 04:35:59 -0400 IronPort-SDR: wvAFN5sBIsAwAl6L5a+N8/ncoA6xRxgalvLYO+tYNT5UpqQLiN3xrNPb9btoW5ALCSQVD0miHG 2Hxq0+uK3K7w== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Jun 2020 01:35:59 -0700 IronPort-SDR: deQhRjmievtl0RqStPgVonY+EKsvjhupga4WH4QQ19JkARV1hxlWp4+2x/WQOG5aYs01SEdkFe 0CDXTRslhRGA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,522,1583222400"; d="scan'208";a="291359616" Received: from linux.intel.com ([10.54.29.200]) by orsmga002.jf.intel.com with ESMTP; 17 Jun 2020 01:35:59 -0700 Received: from [10.249.225.191] (abudanko-mobl.ccr.corp.intel.com [10.249.225.191]) by linux.intel.com (Postfix) with ESMTP id 53333580223; Wed, 17 Jun 2020 01:35:57 -0700 (PDT) Subject: [PATCH v8 02/13] 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: <0781a077-aa82-5b4a-273e-c17372a72b93@linux.intel.com> Organization: Intel Corp. Message-ID: Date: Wed, 17 Jun 2020 11:35:56 +0300 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 MIME-Version: 1.0 In-Reply-To: <0781a077-aa82-5b4a-273e-c17372a72b93@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 173b4f0e0e6e..47541b5cab46 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