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 011FAC2D0F8 for ; Wed, 13 May 2020 07:59:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CC2522312B for ; Wed, 13 May 2020 07:59:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729585AbgEMH7G (ORCPT ); Wed, 13 May 2020 03:59:06 -0400 Received: from mga01.intel.com ([192.55.52.88]:38680 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729414AbgEMH7F (ORCPT ); Wed, 13 May 2020 03:59:05 -0400 IronPort-SDR: wNfIRE1jMljPlmNHm2wdCfDLmpGodOO3PabYxqHlryGZcUVlSffvqb0yZfmUiLfiOCWZMS2S0O RY3f6C6ffLbA== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 May 2020 00:59:05 -0700 IronPort-SDR: HwCit9R4NWCsaPtekFwG7g6NC6DYhgKo0K6dVebYNbg6R9CfTBVyBMch/MjbMV5RkKnSD7J0D0 FLrLY/WRUcgw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,387,1583222400"; d="scan'208";a="265783587" Received: from linux.intel.com ([10.54.29.200]) by orsmga006.jf.intel.com with ESMTP; 13 May 2020 00:59:05 -0700 Received: from [10.249.229.18] (abudanko-mobl.ccr.corp.intel.com [10.249.229.18]) by linux.intel.com (Postfix) with ESMTP id DA127580646; Wed, 13 May 2020 00:59:02 -0700 (PDT) Subject: [PATCH v3 1/9] 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: Organization: Intel Corp. Message-ID: <3a1ed73d-6d11-eeb1-0897-476c5367369d@linux.intel.com> Date: Wed, 13 May 2020 10:59:00 +0300 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: 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 | 3 +++ 2 files changed, 6 insertions(+) diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 2a9de6491700..aa61619fa304 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 = -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..62f259d89b41 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -74,6 +74,9 @@ struct evlist { pthread_t th; volatile int done; } thread; + int ctl_fd; + int ctl_fd_ack; + int ctl_fd_pos; }; struct evsel_str_handler { -- 2.24.1