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=-9.3 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, UNWANTED_LANGUAGE_BODY 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 C75E5C76195 for ; Sun, 21 Jul 2019 11:30:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9BC692147A for ; Sun, 21 Jul 2019 11:30:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563708643; bh=MDO2GI/8GlbfAQsjh/pUGsSXp4kHM/AG4J5m97bPnUs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=a84kTUY7cIIbqk6LB8x+4teTdMALnh+XXU7U1uG+arxNtjp4fRrGEFMZuUWcXEtai IZms58wukhwOBWTMZ19H6/u9zSdSDMeabGYrcbjJA4QUvibcgsj0yLl5d3EhhUfDa1 g7wxK+0vlNHYm6WwMS7zXuZUTRtLPUaLbVTfztJ8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727037AbfGULam (ORCPT ); Sun, 21 Jul 2019 07:30:42 -0400 Received: from mx1.redhat.com ([209.132.183.28]:35528 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726247AbfGULal (ORCPT ); Sun, 21 Jul 2019 07:30:41 -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 010BF307D90E; Sun, 21 Jul 2019 11:30:41 +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 057B15D9D3; Sun, 21 Jul 2019 11:30:36 +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 47/79] libperf: Add perf_evlist__for_each_evsel macro Date: Sun, 21 Jul 2019 13:24:34 +0200 Message-Id: <20190721112506.12306-48-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 [10.5.110.48]); Sun, 21 Jul 2019 11:30:41 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Adding perf_evlist__for_each_evsel macro to iterate perf_evsel objects in evlist. Adding perf_evlist__next function to do that. Link: http://lkml.kernel.org/n/tip-usi0zxyxmai1ld94nrbum43i@git.kernel.org Signed-off-by: Jiri Olsa --- tools/perf/lib/evlist.c | 20 ++++++++++++++++++++ tools/perf/lib/include/perf/evlist.h | 7 +++++++ tools/perf/lib/libperf.map | 1 + 3 files changed, 28 insertions(+) diff --git a/tools/perf/lib/evlist.c b/tools/perf/lib/evlist.c index 0517deb4cb1c..8c26ebf290f0 100644 --- a/tools/perf/lib/evlist.c +++ b/tools/perf/lib/evlist.c @@ -34,3 +34,23 @@ struct perf_evlist *perf_evlist__new(void) return evlist; } + +struct perf_evsel* +perf_evlist__next(struct perf_evlist *evlist, struct perf_evsel *prev) +{ + struct perf_evsel *next; + + if (!prev) { + next = list_first_entry(&evlist->entries, + struct perf_evsel, + node); + } else { + next = list_next_entry(prev, node); + } + + /* Empty list is noticed here so don't need checking on entry. */ + if (&next->node == &evlist->entries) + return NULL; + + return next; +} diff --git a/tools/perf/lib/include/perf/evlist.h b/tools/perf/lib/include/perf/evlist.h index 7255a60869a1..5092b622935b 100644 --- a/tools/perf/lib/include/perf/evlist.h +++ b/tools/perf/lib/include/perf/evlist.h @@ -13,5 +13,12 @@ LIBPERF_API void perf_evlist__add(struct perf_evlist *evlist, LIBPERF_API void perf_evlist__remove(struct perf_evlist *evlist, struct perf_evsel *evsel); LIBPERF_API struct perf_evlist *perf_evlist__new(void); +LIBPERF_API struct perf_evsel* perf_evlist__next(struct perf_evlist *evlist, + struct perf_evsel *evsel); + +#define perf_evlist__for_each_evsel(evlist, pos) \ + for ((pos) = perf_evlist__next((evlist), NULL); \ + (pos) != NULL; \ + (pos) = perf_evlist__next((evlist), (pos))) #endif /* __LIBPERF_EVLIST_H */ diff --git a/tools/perf/lib/libperf.map b/tools/perf/lib/libperf.map index e3eac9b60726..c0968226f7b6 100644 --- a/tools/perf/lib/libperf.map +++ b/tools/perf/lib/libperf.map @@ -17,6 +17,7 @@ LIBPERF_0.0.1 { perf_evlist__init; perf_evlist__add; perf_evlist__remove; + perf_evlist__next; local: *; }; -- 2.21.0