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=-12.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS 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 C44F6C47404 for ; Mon, 7 Oct 2019 12:54:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9B67B222C5 for ; Mon, 7 Oct 2019 12:54:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570452886; bh=YxJVDFh7s7zwJ4h8mW3Q1u8yVU4GCbqwLI9964sRRlo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=SJISlGgADgBwfnajgteR936Q8c/6G1XAcaMc8bG3VGSpmJX7+RTYawf58WVd1n4S5 wFl6SjsvEBy1z/U5K8Q8IiRlQUkDQd+zbWOl6LZ5sW1GmruxB2vafelzbSU0UdoL3g 7dgzVNL7OTRkL2CF1nau+TqKwlqNl1Jxp81w7FDk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728396AbfJGMyp (ORCPT ); Mon, 7 Oct 2019 08:54:45 -0400 Received: from mx1.redhat.com ([209.132.183.28]:60632 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728372AbfJGMyl (ORCPT ); Mon, 7 Oct 2019 08:54:41 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id E3BE410DCC82; Mon, 7 Oct 2019 12:54:40 +0000 (UTC) Received: from krava.brq.redhat.com (unknown [10.43.17.61]) by smtp.corp.redhat.com (Postfix) with ESMTP id 95EA05D9CC; Mon, 7 Oct 2019 12:54:38 +0000 (UTC) From: Jiri Olsa To: Arnaldo Carvalho de Melo Cc: lkml , Ingo Molnar , Namhyung Kim , Alexander Shishkin , Peter Zijlstra , Michael Petlan Subject: [PATCH 23/36] libperf: Move pollfd allocation to libperf Date: Mon, 7 Oct 2019 14:53:31 +0200 Message-Id: <20191007125344.14268-24-jolsa@kernel.org> In-Reply-To: <20191007125344.14268-1-jolsa@kernel.org> References: <20191007125344.14268-1-jolsa@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.6.2 (mx1.redhat.com [10.5.110.64]); Mon, 07 Oct 2019 12:54:41 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org It's needed in libperf only, moving it to perf_evlist__mmap_ops function. Link: http://lkml.kernel.org/n/tip-7lmjzpk6k2wfhh1os8qw1dxz@git.kernel.org Signed-off-by: Jiri Olsa --- tools/perf/lib/evlist.c | 5 +++++ tools/perf/util/evlist.c | 4 ---- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/tools/perf/lib/evlist.c b/tools/perf/lib/evlist.c index f9a802d2ceb5..5ae1da97d2e6 100644 --- a/tools/perf/lib/evlist.c +++ b/tools/perf/lib/evlist.c @@ -34,6 +34,7 @@ void perf_evlist__init(struct perf_evlist *evlist) INIT_HLIST_HEAD(&evlist->heads[i]); INIT_LIST_HEAD(&evlist->entries); evlist->nr_entries = 0; + fdarray__init(&evlist->pollfd, 64); } static void __perf_evlist__propagate_maps(struct perf_evlist *evlist, @@ -114,6 +115,7 @@ void perf_evlist__delete(struct perf_evlist *evlist) return; perf_evlist__munmap(evlist); + fdarray__exit(&evlist->pollfd); free(evlist); } @@ -525,6 +527,9 @@ int perf_evlist__mmap_ops(struct perf_evlist *evlist, return -ENOMEM; } + if (evlist->pollfd.entries == NULL && perf_evlist__alloc_pollfd(evlist) < 0) + return -ENOMEM; + if (perf_cpu_map__empty(cpus)) return mmap_per_thread(evlist, ops, mp); diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index bbefb81a6364..71679cce7257 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -58,7 +58,6 @@ void evlist__init(struct evlist *evlist, struct perf_cpu_map *cpus, { perf_evlist__init(&evlist->core); perf_evlist__set_maps(&evlist->core, cpus, threads); - fdarray__init(&evlist->core.pollfd, 64); evlist->workload.pid = -1; evlist->bkw_mmap_state = BKW_MMAP_NOTREADY; } @@ -805,9 +804,6 @@ int evlist__mmap_ex(struct evlist *evlist, unsigned int pages, if (!evlist->mmap) return -ENOMEM; - if (evlist->core.pollfd.entries == NULL && perf_evlist__alloc_pollfd(&evlist->core) < 0) - return -ENOMEM; - evlist->core.mmap_len = evlist__mmap_size(pages); pr_debug("mmap size %zuB\n", evlist->core.mmap_len); mp.core.mask = evlist->core.mmap_len - page_size - 1; -- 2.21.0