From patchwork Thu Apr 30 14:24:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ian Rogers X-Patchwork-Id: 1280450 X-Patchwork-Delegate: bpf@iogearbox.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-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=nTwgcui2; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 49Cd1f5G9Hz9sVJ for ; Fri, 1 May 2020 00:24:38 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728124AbgD3OYd (ORCPT ); Thu, 30 Apr 2020 10:24:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59948 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728083AbgD3OY3 (ORCPT ); Thu, 30 Apr 2020 10:24:29 -0400 Received: from mail-yb1-xb4a.google.com (mail-yb1-xb4a.google.com [IPv6:2607:f8b0:4864:20::b4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2C323C035494 for ; Thu, 30 Apr 2020 07:24:29 -0700 (PDT) Received: by mail-yb1-xb4a.google.com with SMTP id l187so7877623ybf.17 for ; Thu, 30 Apr 2020 07:24:29 -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=DpLe2/yxlpy0aFc7LjjFR8EhmIvjlgt7hqTB0OaUzqw=; b=nTwgcui2CiV0+/Jpql/konVUDAJxIwSvypifzKGqEa5N2zt4MIbFjb1mAn7/qwLihf vu0iHY6F0lUJ/lpzYGDHglar1oftRe5QKFNt+SxbDedcCmm3YwssWXQMsdKVrr1yW/L0 hbh2CMDDfsfgS8wpd1ItOELZ2zX2gZZfj9jv7hfUNZD/Cc3RQHB8NT+5HAVgLV5wmXhh KUN8zSWgRRWlB4hEaPTS+sqCnIBgbPDRp47GrFog6FH1+9HvnApAy15WlVS+opecoFkk JN0c9NKlKH12GdzFIkaOkli7Zj9XnFSyHT2bAMW34rF9aCYVPepdqiv+fA60MYvdLQ0C bpWA== 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=DpLe2/yxlpy0aFc7LjjFR8EhmIvjlgt7hqTB0OaUzqw=; b=bIeu4JkvBPw5DF+ov7dJp4RmwK++0etkwiuMBA4yo4VozUqLLAFP+WyHLqxtMmBKKv bnEUErkeEhVflhcziOHtpxdlQywoZDGA2Yvoqnv+E5TPCscmQUkqmyh98z99IYyaA0N2 mr9+ZZNf4Pgr44JXIIy277odlw2sjGKlgGrh6Bj3SyOtxBrk/PvhcgUaieKHL8d7vrOo +1BJIi8QLFtBblaSgglGU4akW2sWqK3EP+ytxt6IcTuaXz+G/74TT8aVzj/jy3bZtW/F XHBgsuenZcwrJbGKdcfsGGZ2X2o5EWR1Rtmvu1hbNDBMm7SRBIKui1bRoQU9PK3M/ZiO TVBA== X-Gm-Message-State: AGi0PuZFP33HHtuCBgXrDRO09PgOr4A67hMg9L0VaWjrM9TXz/XOipMj qA/P12PdlcQorkhVIxQIuD4WOqJc6EPG X-Google-Smtp-Source: APiQypLSBWwmxXdbCXvEwu6BQZ0SdYLx5+Wv2iv/ATKlzHHRCUjvZTfhpTl6ZunjIVWUzi0myR4aFnFZeter X-Received: by 2002:a25:9306:: with SMTP id f6mr5949447ybo.375.1588256668309; Thu, 30 Apr 2020 07:24:28 -0700 (PDT) Date: Thu, 30 Apr 2020 07:24:18 -0700 In-Reply-To: <20200430142419.252180-1-irogers@google.com> Message-Id: <20200430142419.252180-4-irogers@google.com> Mime-Version: 1.0 References: <20200430142419.252180-1-irogers@google.com> X-Mailer: git-send-email 2.26.2.303.gf8c07b1a785-goog Subject: [PATCH v13 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: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@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 5642de7f8be7..92bd7fafcce6 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -871,6 +871,17 @@ 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 1edd214b75a5..cb6fbec50313 100644 --- a/tools/perf/util/pmu.h +++ b/tools/perf/util/pmu.h @@ -72,6 +72,7 @@ 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);