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=-9.8 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_GIT 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 9AB85C10F27 for ; Tue, 10 Mar 2020 07:03:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 761E024681 for ; Tue, 10 Mar 2020 07:03:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726445AbgCJHDk (ORCPT ); Tue, 10 Mar 2020 03:03:40 -0400 Received: from mga09.intel.com ([134.134.136.24]:5965 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726403AbgCJHDj (ORCPT ); Tue, 10 Mar 2020 03:03:39 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Mar 2020 00:03:38 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,535,1574150400"; d="scan'208";a="265524563" Received: from kbl.sh.intel.com ([10.239.159.24]) by fmsmga004.fm.intel.com with ESMTP; 10 Mar 2020 00:03:35 -0700 From: Jin Yao To: acme@kernel.org, jolsa@kernel.org, peterz@infradead.org, mingo@redhat.com, alexander.shishkin@linux.intel.com Cc: Linux-kernel@vger.kernel.org, ak@linux.intel.com, kan.liang@intel.com, yao.jin@intel.com, Jin Yao Subject: [PATCH v1 03/14] perf util: Return per-event callchain streams Date: Tue, 10 Mar 2020 15:02:34 +0800 Message-Id: <20200310070245.16314-4-yao.jin@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200310070245.16314-1-yao.jin@linux.intel.com> References: <20200310070245.16314-1-yao.jin@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In previous patch, we have created a 'struct callchain_streams' array and each array entry contains per-event callchain streams. This patch returns the pointer of per-event callchain streams according to the evsel_idx. Signed-off-by: Jin Yao --- tools/perf/util/callchain.c | 12 ++++++++++++ tools/perf/util/callchain.h | 4 ++++ 2 files changed, 16 insertions(+) diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c index d9c68a8e7619..31ecc1abe7f9 100644 --- a/tools/perf/util/callchain.c +++ b/tools/perf/util/callchain.c @@ -1724,3 +1724,15 @@ struct callchain_streams *callchain_evsel_streams_create(struct evlist *evlist, *nr_evsel_streams = nr_evsel; return callchain_streams; } + +struct callchain_streams *callchain_evsel_streams_get(struct callchain_streams *cs, + int nr_streams_max, + int evsel_idx) +{ + for (int i = 0; i < nr_streams_max; i++) { + if (cs[i].evsel_idx == evsel_idx) + return &cs[i]; + } + + return NULL; +} diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h index 5852990cdf60..4e881361e154 100644 --- a/tools/perf/util/callchain.h +++ b/tools/perf/util/callchain.h @@ -305,4 +305,8 @@ struct callchain_streams *callchain_evsel_streams_create(struct evlist *evlist, int nr_streams_max, int *nr_evsel_streams); +struct callchain_streams *callchain_evsel_streams_get(struct callchain_streams *cs, + int nr_streams_max, + int evsel_idx); + #endif /* __PERF_CALLCHAIN_H */ -- 2.17.1