From patchwork Sat Apr 11 07:46:30 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ian Rogers X-Patchwork-Id: 1269258 X-Patchwork-Delegate: bpf@iogearbox.net Return-Path: X-Original-To: incoming-bpf@patchwork.ozlabs.org Delivered-To: patchwork-incoming-bpf@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=bpf-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20161025 header.b=gN5THPgQ; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 48zn5M0SG8z9sT1 for ; Sat, 11 Apr 2020 17:46:47 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726669AbgDKHqp (ORCPT ); Sat, 11 Apr 2020 03:46:45 -0400 Received: from mail-vk1-f201.google.com ([209.85.221.201]:53397 "EHLO mail-vk1-f201.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726563AbgDKHqo (ORCPT ); Sat, 11 Apr 2020 03:46:44 -0400 Received: by mail-vk1-f201.google.com with SMTP id f7so1799752vkb.20 for ; Sat, 11 Apr 2020 00:46:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=zcExPUIjugAT8xV6VI04RQsiRvISnNIvuUHEvy30OPQ=; b=gN5THPgQ/fpJjbjdfm/DtZmGGZ/YxXeX5eHtxk0f3/rFbnOANFfeIoQnQSVI3UkfjQ 5Imq87vxYTgB9xn8E0IKF0ggj5+U2VjE6cgEy401TKWR2vPKi8QMZWixCcF5iwu9cnrH KmXp1/1HTKK44jL7Dtj91zNzlPO2fi5SaUjLglV7VKi9PNFus0sk53zxMCJ+gx7wBG/T dyh5RaZ2dyaOJBdQZ/9W24ViN+NG9JyL9ydWFrdETIfjH1qli5ELMdFtJ2a3S855sgGL 6o5kfULhnlDICCw1eOspbcssIour1zV+3Nkc1L2dvDRR2cvJls9sUK7th8kp44wXCalh xqBA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=zcExPUIjugAT8xV6VI04RQsiRvISnNIvuUHEvy30OPQ=; b=hdMZKBdcWHIE2ZVFzWeKImCY/WBxiBs1nTn5MdznEmiXER/rFsbsAoqlu2/CBxK/gO mpoL38NyshrNOsQbveLU9vxp8VdQsWMzj8xuaakGBjRZTovE/pMWvEzv8Q35fa+iH9I7 ZRWmVeQWlqT0PyKCVZCJ0QpdO50DL9e2HMJzmouIBvYwUDl5mcgZEk1ouPfmLEFP6K6I 3PX952FBkOgGzubwRQEQL05sjS6ZWmypVjk0lrKUUwKUcDpQgG//nCATj3DJ2n4yg+yw 1cRG0fy6oHUjyupBu/svuJPrjPBUOYN+ibX+zM/blp+y3LbRKQCqOcSxV98a1PzkOsUh gPHA== X-Gm-Message-State: AGi0PuaxuPXYjtvSqFqU2Hx1yoq8eqSebWsNu2V9BXktUHVt81cOap1X 1oAwDcWGvWcgUU2krE3E0y7D4Hrqjxrb X-Google-Smtp-Source: APiQypImZSRUUORCHahNEP79ULeU/nb+UVUBKDbs/ut7gZYU6ovENqVB9DHRCzNRDbaHmMXWpz9QLadczaxA X-Received: by 2002:ab0:2248:: with SMTP id z8mr5770783uan.13.1586591203783; Sat, 11 Apr 2020 00:46:43 -0700 (PDT) Date: Sat, 11 Apr 2020 00:46:30 -0700 In-Reply-To: <20200411074631.9486-1-irogers@google.com> Message-Id: <20200411074631.9486-4-irogers@google.com> Mime-Version: 1.0 References: <20200411074631.9486-1-irogers@google.com> X-Mailer: git-send-email 2.26.0.110.g2183baf09c-goog Subject: [PATCH v8 3/4] perf pmu: add perf_pmu__find_by_type helper From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Yonghong Song , Andrii Nakryiko , Greg Kroah-Hartman , Thomas Gleixner , Igor Lubashev , Alexey Budankov , Florian Fainelli , Adrian Hunter , Andi Kleen , Jiwei Sun , yuzhoujian , Kan Liang , Jin Yao , Leo Yan , John Garry , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org, linux-perf-users@vger.kernel.org Cc: Stephane Eranian , Ian Rogers Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org From: Stephane Eranian This is used by libpfm4 during event parsing to locate the pmu for an event. Signed-off-by: Stephane Eranian Reviewed-by: Ian Rogers --- tools/perf/util/pmu.c | 11 +++++++++++ tools/perf/util/pmu.h | 1 + 2 files changed, 12 insertions(+) diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index ef6a63f3d386..5e918ca740c6 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -869,6 +869,17 @@ static struct perf_pmu *pmu_find(const char *name) return NULL; } +struct perf_pmu *perf_pmu__find_by_type(unsigned int type) +{ + struct perf_pmu *pmu; + + list_for_each_entry(pmu, &pmus, list) + if (pmu->type == type) + return pmu; + + return NULL; +} + struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu) { /* diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h index 5fb3f16828df..de3b868d912c 100644 --- a/tools/perf/util/pmu.h +++ b/tools/perf/util/pmu.h @@ -65,6 +65,7 @@ struct perf_pmu_alias { }; struct perf_pmu *perf_pmu__find(const char *name); +struct perf_pmu *perf_pmu__find_by_type(unsigned int type); int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr, struct list_head *head_terms, struct parse_events_error *error);