From nobody Mon Apr 13 15:52:28 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 81F63C433FE for ; Mon, 14 Nov 2022 07:52:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235811AbiKNHwt (ORCPT ); Mon, 14 Nov 2022 02:52:49 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45832 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235893AbiKNHwe (ORCPT ); Mon, 14 Nov 2022 02:52:34 -0500 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 C4491192BD for ; Sun, 13 Nov 2022 23:52:26 -0800 (PST) Received: by mail-yb1-xb49.google.com with SMTP id t5-20020a5b07c5000000b006dfa2102debso4423102ybq.4 for ; Sun, 13 Nov 2022 23:52:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:from:subject:references:mime-version:message-id:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=Rl5NpkjPzTE4Fls6Plwx5I6VTiNxD2kr5kHqIS0Pzx4=; b=XqSweAfbUuRwICXIEsBeKYZgc/LZnmTQ0jtybP/LAJRBtvNF8yizWk+du66+43CYAB 70Wgy4NzWRXDr0jfMtDjaRHxCjP4yFrs4WKPOvp1HcGBc0g+8uXlSxEKjBg1c0c4kReJ AcHw7AwS1ocCNsFNrNbrvxgkILE9yXqtP1byzrPNavv2mhY25kLKt/UFQSksaUyGsJbe bMn3dJjhi+oFn/6p77bSuXHQYhHVr3srtwHYOIHWDUvCEu5mzrF+VVacpvX+mPHokLk6 KE2hj2mJLHDTa5bMUwl7+kCgGPjfPgC7Po3yE/BsN/oTYMraNoOQ8Mcht3sMHZ/XD9dd lqYQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:from:subject:references:mime-version:message-id:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=Rl5NpkjPzTE4Fls6Plwx5I6VTiNxD2kr5kHqIS0Pzx4=; b=Y4fyHGFm/8adZ+9GLEWleApLualbElzxZ2yFZS/tjJurACnhIyPvXAAWkJ2spePanF lC0vG42lTvm9PaKiWmmND3LsXZokZWyLO1P5nDFpTI/UzlFlaDv0UvpfesRUd6Ao4UG8 UrUx9BDk3ifeJhf8plNIZahWG4wTNKQln51pQelTO2gUJYSMzz0B0bV5beGsHUFW1AFu /ChKFqW4srdugzBAZ5GFu2cZ+C5LYH4AbxkLJESI+GqJmcvKVC1xhXHxmz2rNrHAfCd5 Fihf28iCr99aeaaCovNms7vYe9JZ8e+MrWfF7w5kYqbscCVvYOUeKIhAXnj52ueC9qyE q5tA== X-Gm-Message-State: ANoB5pmK+CoLe5msKpB/ZRQ4S01eJBVpk3mHQsK2EONQb0lisKEwT+GO 2nurH68ez8dfph5d2t2dXZZ7ttJ8/N8k X-Google-Smtp-Source: AA0mqf79aD0/uo7D00ZVL1Io9KSSYcuptA4m3js37yU+UiYYLhONp0PF+ZQPwA4uT8IS1JFObFuy0zZUn87H X-Received: from irogers.svl.corp.google.com ([2620:15c:2d4:203:cba6:8279:98e6:3d6e]) (user=irogers job=sendgmr) by 2002:a81:3804:0:b0:370:7cf2:9c5a with SMTP id f4-20020a813804000000b003707cf29c5amr12143856ywa.211.1668412346044; Sun, 13 Nov 2022 23:52:26 -0800 (PST) Date: Sun, 13 Nov 2022 23:51:22 -0800 In-Reply-To: <20221114075127.2650315-1-irogers@google.com> Message-Id: <20221114075127.2650315-5-irogers@google.com> Mime-Version: 1.0 References: <20221114075127.2650315-1-irogers@google.com> X-Mailer: git-send-email 2.38.1.431.g37b22c650d-goog Subject: [PATCH v1 4/9] perf list: Generalize limiting to a PMU name From: Ian Rogers To: Weilin Wang , Perry Taylor , Caleb Biggers , Leo Yan , Adrian Hunter , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Sandipan Das , Kajol Jain , Zhengjun Xing , Kan Liang , Ravi Bangoria , Xin Gao , Rob Herring , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org Cc: Stephane Eranian , Ian Rogers Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Deprecate the --cputype option and add a --unit option where '--unit cpu_atom' behaves like '--cputype atom'. The --unit option can be used with arbitrary PMUs, for example: ``` $ perf list --unit msr pmu List of pre-defined events (to be used in -e or -M): msr/aperf/ [Kernel PMU event] msr/cpu_thermal_margin/ [Kernel PMU event] msr/mperf/ [Kernel PMU event] msr/pperf/ [Kernel PMU event] msr/smi/ [Kernel PMU event] msr/tsc/ [Kernel PMU event] ``` Signed-off-by: Ian Rogers --- tools/perf/Documentation/perf-list.txt | 6 +++--- tools/perf/builtin-list.c | 18 ++++++++++++------ tools/perf/util/metricgroup.c | 3 ++- tools/perf/util/pmu.c | 4 +--- 4 files changed, 18 insertions(+), 13 deletions(-) diff --git a/tools/perf/Documentation/perf-list.txt b/tools/perf/Documentat= ion/perf-list.txt index 57384a97c04f..44a819af573d 100644 --- a/tools/perf/Documentation/perf-list.txt +++ b/tools/perf/Documentation/perf-list.txt @@ -39,9 +39,9 @@ any extra expressions computed by perf stat. --deprecated:: Print deprecated events. By default the deprecated events are hidden. =20 ---cputype:: -Print events applying cpu with this type for hybrid platform -(e.g. --cputype core or --cputype atom) +--unit:: +Print PMU events and metrics limited to the specific PMU name. +(e.g. --unit cpu, --unit msr, --unit cpu_core, --unit cpu_atom) =20 [[EVENT_MODIFIERS]] EVENT MODIFIERS diff --git a/tools/perf/builtin-list.c b/tools/perf/builtin-list.c index 58e1ec1654ef..cc84ced6da26 100644 --- a/tools/perf/builtin-list.c +++ b/tools/perf/builtin-list.c @@ -21,7 +21,6 @@ =20 static bool desc_flag =3D true; static bool details_flag; -static const char *hybrid_type; =20 int cmd_list(int argc, const char **argv) { @@ -30,6 +29,8 @@ int cmd_list(int argc, const char **argv) bool long_desc_flag =3D false; bool deprecated =3D false; char *pmu_name =3D NULL; + const char *hybrid_name =3D NULL; + const char *unit_name =3D NULL; struct option list_options[] =3D { OPT_BOOLEAN(0, "raw-dump", &raw_dump, "Dump raw events"), OPT_BOOLEAN('d', "desc", &desc_flag, @@ -40,9 +41,10 @@ int cmd_list(int argc, const char **argv) "Print information on the perf event names and expressions used int= ernally by events."), OPT_BOOLEAN(0, "deprecated", &deprecated, "Print deprecated events."), - OPT_STRING(0, "cputype", &hybrid_type, "hybrid cpu type", - "Print events applying cpu with this type for hybrid platform " - "(e.g. core or atom)"), + OPT_STRING(0, "cputype", &hybrid_name, "hybrid cpu type", + "Limit PMU or metric printing to the given hybrid PMU (e.g. core or = atom)."), + OPT_STRING(0, "unit", &unit_name, "PMU name", + "Limit PMU or metric printing to the specified PMU."), OPT_INCR(0, "debug", &verbose, "Enable debugging output"), OPT_END() @@ -53,6 +55,8 @@ int cmd_list(int argc, const char **argv) }; =20 set_option_flag(list_options, 0, "raw-dump", PARSE_OPT_HIDDEN); + /* Hide hybrid flag for the more generic 'unit' flag. */ + set_option_flag(list_options, 0, "cputype", PARSE_OPT_HIDDEN); =20 argc =3D parse_options(argc, argv, list_options, list_usage, PARSE_OPT_STOP_AT_NON_OPTION); @@ -62,8 +66,10 @@ int cmd_list(int argc, const char **argv) if (!raw_dump && pager_in_use()) printf("\nList of pre-defined events (to be used in -e or -M):\n\n"); =20 - if (hybrid_type) { - pmu_name =3D perf_pmu__hybrid_type_to_pmu(hybrid_type); + if (unit_name) + pmu_name =3D strdup(unit_name); + else if (hybrid_name) { + pmu_name =3D perf_pmu__hybrid_type_to_pmu(hybrid_name); if (!pmu_name) pr_warning("WARNING: hybrid cputype is not supported!\n"); } diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c index 4c98ac29ee13..1943fed9b6d9 100644 --- a/tools/perf/util/metricgroup.c +++ b/tools/perf/util/metricgroup.c @@ -556,11 +556,12 @@ static int metricgroup__print_callback(const struct p= mu_event *pe, void *vdata) { struct metricgroup_print_data *data =3D vdata; + const char *pmu =3D pe->pmu ?: "cpu"; =20 if (!pe->metric_expr) return 0; =20 - if (data->pmu_name && perf_pmu__is_hybrid(pe->pmu) && strcmp(data->pmu_na= me, pe->pmu)) + if (data->pmu_name && strcmp(data->pmu_name, pmu)) return 0; =20 return metricgroup__print_pmu_event(pe, data->metricgroups, data->filter, diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index a8f9f47c6ed9..9c771f136b81 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -1694,10 +1694,8 @@ void print_pmu_events(const char *event_glob, bool n= ame_only, bool quiet_flag, pmu =3D NULL; j =3D 0; while ((pmu =3D perf_pmu__scan(pmu)) !=3D NULL) { - if (pmu_name && perf_pmu__is_hybrid(pmu->name) && - strcmp(pmu_name, pmu->name)) { + if (pmu_name && pmu->name && strcmp(pmu_name, pmu->name)) continue; - } =20 list_for_each_entry(alias, &pmu->aliases, list) { char *name =3D alias->desc ? alias->name : --=20 2.38.1.431.g37b22c650d-goog