From patchwork Thu Apr 16 06:35:50 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ian Rogers X-Patchwork-Id: 1271523 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=jcEorxFY; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 492qJ06lW9z9sSY for ; Thu, 16 Apr 2020 16:36:32 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2408225AbgDPGgZ (ORCPT ); Thu, 16 Apr 2020 02:36:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47728 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S2408194AbgDPGgN (ORCPT ); Thu, 16 Apr 2020 02:36:13 -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 0FE0DC03C1A9 for ; Wed, 15 Apr 2020 23:36:08 -0700 (PDT) Received: by mail-yb1-xb49.google.com with SMTP id f85so3116648ybg.12 for ; Wed, 15 Apr 2020 23:36:08 -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=jcEorxFYFV5HTI2YzScluwcyZpguips6m4llftytrCofa5eU0CLgR0lI0cZCPXntL5 zhp8CnDeObNbvWbyJUae+3daWbBbN586y+H5KgDk73b6Szi+nJIEHH6zxcfF6RCfX65k sJu5vxH7JOOusiAVgWdofhhhNtk1G6phDx1TxMwxdflkhRfAO4e7W6njWjGhMou1F9eJ tQpRphYubJnkdogHDEdfBpjiPCZAj1GFi7f6a02WgYlGrcGYgBkIbGHjeNjYQwuCrni1 +4Eu4PUDRhXOM4Hl3TBFk0UqXmn2M68AZPjTMqxLE2pQ0sZBMdpl7iRPDZ/IjByMsY5n /g1g== 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=fekkKvMNhvYcvOo+n+njS7obZJ/zZ+JXYiIycu6DCdDaCSl9XAYS0nwVf/1Zn6qup6 4XgQhj5D5drAKumqUzvTLJDxpCz9liCFr757tOgPzharf9VBuFjrIrlbhpvJmuGGIAvC Z3gJpZ1yiWpG7zGCa9iG1zrDD0n+udU4+KYnjQojwfjLpwbkPet36h0DTfQ4+sPeoO95 kyx+eizrgn55G66pQuF+ENfG9xyqKqWjnbM/YmCm3J8ZH1cuGBlVy49xAoBShVkc/oS0 QznRLzJa4XkLOvYSo+HIEXMGGwcDQ2hepJw2VmWXPsvWCrszRHhukHuTpoSpdp3kcwBz sDaw== X-Gm-Message-State: AGi0PuZOLq3FOMkVqvf+9pk36yhpg8EP72B+t7BigcnmahHH0xyzex5n g1MnCix5aNdS6bLbv+CV6jKZQNSGoZ+u X-Google-Smtp-Source: APiQypIRvbQP5HYg1CMsL+jPYhj9k2KONN5gLMlHj+WGKRXkmObU+J6Cr0U9tigHIRkmvhyNQyjgIHs/P+kB X-Received: by 2002:a25:df06:: with SMTP id w6mr15209548ybg.9.1587018967219; Wed, 15 Apr 2020 23:36:07 -0700 (PDT) Date: Wed, 15 Apr 2020 23:35:50 -0700 In-Reply-To: <20200416063551.47637-1-irogers@google.com> Message-Id: <20200416063551.47637-4-irogers@google.com> Mime-Version: 1.0 References: <20200416063551.47637-1-irogers@google.com> X-Mailer: git-send-email 2.26.0.110.g2183baf09c-goog Subject: [PATCH v9 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 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);