From patchwork Wed Apr 29 23:14:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ian Rogers X-Patchwork-Id: 1279780 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=j53Z5Tng; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 49CDr93Bdtz9sSj for ; Thu, 30 Apr 2020 09:15:05 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727972AbgD2XPD (ORCPT ); Wed, 29 Apr 2020 19:15:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59342 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727880AbgD2XO4 (ORCPT ); Wed, 29 Apr 2020 19:14:56 -0400 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E0717C09B041 for ; Wed, 29 Apr 2020 16:14:53 -0700 (PDT) Received: by mail-yb1-xb49.google.com with SMTP id l187so5529053ybf.17 for ; Wed, 29 Apr 2020 16:14:53 -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=8gY6v9J8FfbbwZkEG4Nn5uBCpCuSVyf2CJPw0f8f/F4=; b=j53Z5TngwbNIBG7fz7dPedULnCpGEsFxHx7XikbU76ZSEueRgzAojZFFZqDeAmBC+8 DcJH61iPiVLyE1B0LNBnISwQCeqTEkqcqF0ifSQ6wGDvqsR3n/V+zLGxvF/C3I1FVFi8 WmNP31WrIltq5N9Dc5ax2y2w1tPwfKJBJm1WaQm7pA7nH61PkBGy5HhwBzeWA4kuZUS6 x1T01Dkt6V26Zq1y+H/NDdU9xI+EpiRsES6lOXasnUkTdtMmb343HWR0t6ugfxQi6vaW ihO5uqR22J3cNn/lV0jTqAooYf7Rz7PN44C9nNc/M2wORlDoA0WDrRe65SAdGECFAlGi fMog== 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=8gY6v9J8FfbbwZkEG4Nn5uBCpCuSVyf2CJPw0f8f/F4=; b=sqkhitXlDoRXUKlUlXZAtDAN52+S+dRWmQNm5wVapGE6Brluc7mDQk4NaBqplEsQ+8 FCoCiZqrVrarxiFh+RCoMrMEAmBH96qt/BxY2QFigyxabnO+kegXdxspwxrTMoh8Prx5 n7R+w7lE6fdN2tUKGq5hKZT8XXQlTvCbN8N6KaGQZe91bj1QHdhCYbjnf52KWl0xxe0d BwIzpnewnQVF4sLyfR8uGGxHXF+H9pfkct4pmRqAQW0xfWLDZS+fVN8yut8Tmi2eBnwh na0ZaC8Qow1QUf521mrc0SDJUKNBQ6TvQ6L4bFpOq9SWmTHU65qmqZgqSFwYFxl5LZKu Qvsw== X-Gm-Message-State: AGi0Puacl4xXvzGAr/ySVyg62lO4QG4g4TfJ2pAwTzRXafUIiXuU6uG7 n7fCgachgibk0fWb/tol9M2xmVILL1HY X-Google-Smtp-Source: APiQypLWn5UzCICVrx/KvH2GTIhnZrDmbo/WAmtqo8hNyPqvYDquWDMHiJie4pxY1ZcqEleo72Sf+YzyysFR X-Received: by 2002:a25:d14c:: with SMTP id i73mr1231247ybg.116.1588202093016; Wed, 29 Apr 2020 16:14:53 -0700 (PDT) Date: Wed, 29 Apr 2020 16:14:42 -0700 In-Reply-To: <20200429231443.207201-1-irogers@google.com> Message-Id: <20200429231443.207201-4-irogers@google.com> Mime-Version: 1.0 References: <20200429231443.207201-1-irogers@google.com> X-Mailer: git-send-email 2.26.2.303.gf8c07b1a785-goog Subject: [PATCH v12 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 d9f89ed18dea..0fb7d438d9ad 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);