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 C5FBBC76195 for ; Sun, 21 Jul 2019 11:32:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 99A392147A for ; Sun, 21 Jul 2019 11:32:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563708744; bh=yMtMU20kQqUfqMgUtJq0XDKnLEYJpzlrHhPdUzrBJcI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=sMXULi72hd7Jh0/Xq2SP+NDD9ANLfpJu27w6InvrraJgU87docMMfjlBzkoS0hdTB XqiKmgL3fNKUJsW5iNHLklILuALX8z5WTlkzdGYZrTAdNCIzYwSEI1JKuP2FCVIGA4 xzQQ5tzJTaco823lpO4MxHcras6c9JOJMtOmmfRE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727478AbfGULcX (ORCPT ); Sun, 21 Jul 2019 07:32:23 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38288 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726390AbfGULcW (ORCPT ); Sun, 21 Jul 2019 07:32:22 -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 F0838883BA; Sun, 21 Jul 2019 11:32:21 +0000 (UTC) Received: from krava.redhat.com (ovpn-204-23.brq.redhat.com [10.40.204.23]) by smtp.corp.redhat.com (Postfix) with ESMTP id 529E25D9D3; Sun, 21 Jul 2019 11:32:17 +0000 (UTC) From: Jiri Olsa To: Arnaldo Carvalho de Melo Cc: lkml , Ingo Molnar , Namhyung Kim , Alexander Shishkin , Peter Zijlstra , Andi Kleen , Alexey Budankov , Michael Petlan Subject: [PATCH 68/79] libperf: Add perf_evlist__open/close functions Date: Sun, 21 Jul 2019 13:24:55 +0200 Message-Id: <20190721112506.12306-69-jolsa@kernel.org> In-Reply-To: <20190721112506.12306-1-jolsa@kernel.org> References: <20190721112506.12306-1-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-4.5.16 (mx1.redhat.com [10.5.110.26]); Sun, 21 Jul 2019 11:32:22 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Adding following functions: perf_evlist__open perf_evlist__close It's a simplified version of evlist__open without sampling id index calculations. We can try to merge it in the future when these are moved to libperf. Also adding some helper evlist traversing macros. In future we can remove them from util/evlist.h, but that requires also some other changes. Link: http://lkml.kernel.org/n/tip-s8noamedv8q9q8uk0ri152aa@git.kernel.org Signed-off-by: Jiri Olsa --- tools/perf/lib/evlist.c | 27 +++++++++++++++++++ tools/perf/lib/include/internal/evlist.h | 34 ++++++++++++++++++++++++ tools/perf/lib/include/perf/evlist.h | 2 ++ tools/perf/lib/libperf.map | 2 ++ 4 files changed, 65 insertions(+) diff --git a/tools/perf/lib/evlist.c b/tools/perf/lib/evlist.c index e01788092d8f..044f664e0733 100644 --- a/tools/perf/lib/evlist.c +++ b/tools/perf/lib/evlist.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 #include +#include #include #include #include @@ -114,3 +115,29 @@ void perf_evlist__set_maps(struct perf_evlist *evlist, perf_evlist__propagate_maps(evlist); } + +int perf_evlist__open(struct perf_evlist *evlist) +{ + struct perf_evsel *evsel; + int err; + + perf_evlist__for_each_entry(evlist, evsel) { + err = perf_evsel__open(evsel, evsel->cpus, evsel->threads); + if (err < 0) + goto out_err; + } + + return 0; + +out_err: + perf_evlist__close(evlist); + return err; +} + +void perf_evlist__close(struct perf_evlist *evlist) +{ + struct perf_evsel *evsel; + + perf_evlist__for_each_entry_reverse(evlist, evsel) + perf_evsel__close(evsel); +} diff --git a/tools/perf/lib/include/internal/evlist.h b/tools/perf/lib/include/internal/evlist.h index b7b43dbc9b82..448891f06e3e 100644 --- a/tools/perf/lib/include/internal/evlist.h +++ b/tools/perf/lib/include/internal/evlist.h @@ -2,6 +2,8 @@ #ifndef __LIBPERF_INTERNAL_EVLIST_H #define __LIBPERF_INTERNAL_EVLIST_H +#include + struct perf_cpu_map; struct perf_thread_map; @@ -13,4 +15,36 @@ struct perf_evlist { struct perf_thread_map *threads; }; +/** + * __perf_evlist__for_each_entry - iterate thru all the evsels + * @list: list_head instance to iterate + * @evsel: struct perf_evsel iterator + */ +#define __perf_evlist__for_each_entry(list, evsel) \ + list_for_each_entry(evsel, list, node) + +/** + * evlist__for_each_entry - iterate thru all the evsels + * @evlist: perf_evlist instance to iterate + * @evsel: struct perf_evsel iterator + */ +#define perf_evlist__for_each_entry(evlist, evsel) \ + __perf_evlist__for_each_entry(&(evlist)->entries, evsel) + +/** + * __perf_evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order + * @list: list_head instance to iterate + * @evsel: struct evsel iterator + */ +#define __perf_evlist__for_each_entry_reverse(list, evsel) \ + list_for_each_entry_reverse(evsel, list, node) + +/** + * perf_evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order + * @evlist: evlist instance to iterate + * @evsel: struct evsel iterator + */ +#define perf_evlist__for_each_entry_reverse(evlist, evsel) \ + __perf_evlist__for_each_entry_reverse(&(evlist)->entries, evsel) + #endif /* __LIBPERF_INTERNAL_EVLIST_H */ diff --git a/tools/perf/lib/include/perf/evlist.h b/tools/perf/lib/include/perf/evlist.h index b1d8dee018d6..6d3dda743541 100644 --- a/tools/perf/lib/include/perf/evlist.h +++ b/tools/perf/lib/include/perf/evlist.h @@ -18,6 +18,8 @@ LIBPERF_API struct perf_evlist *perf_evlist__new(void); LIBPERF_API void perf_evlist__delete(struct perf_evlist *evlist); LIBPERF_API struct perf_evsel* perf_evlist__next(struct perf_evlist *evlist, struct perf_evsel *evsel); +LIBPERF_API int perf_evlist__open(struct perf_evlist *evlist); +LIBPERF_API void perf_evlist__close(struct perf_evlist *evlist); #define perf_evlist__for_each_evsel(evlist, pos) \ for ((pos) = perf_evlist__next((evlist), NULL); \ diff --git a/tools/perf/lib/libperf.map b/tools/perf/lib/libperf.map index 9f43b5cda031..4f966ddd5e53 100644 --- a/tools/perf/lib/libperf.map +++ b/tools/perf/lib/libperf.map @@ -25,6 +25,8 @@ LIBPERF_0.0.1 { perf_evsel__threads; perf_evlist__new; perf_evlist__delete; + perf_evlist__open; + perf_evlist__close; perf_evlist__init; perf_evlist__add; perf_evlist__remove; -- 2.21.0