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Fri, 7 Feb 2020 23:06:34 +0000 From: Kim Phillips To: Arnaldo Carvalho de Melo Cc: Kim Phillips , Peter Zijlstra , Ingo Molnar , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Cong Wang , Andi Kleen , Jin Yao , Kan Liang , Song Liu , Davidlohr Bueso , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Jiri Olsa Subject: [PATCH 2/3 v2] perf symbols: Update the list of kernel idle symbols Date: Fri, 7 Feb 2020 17:06:12 -0600 Message-Id: <20200207230613.26709-2-kim.phillips@amd.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200207230613.26709-1-kim.phillips@amd.com> References: <20200207230613.26709-1-kim.phillips@amd.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: SN6PR2101CA0017.namprd21.prod.outlook.com (2603:10b6:805:106::27) To SN6PR12MB2845.namprd12.prod.outlook.com (2603:10b6:805:75::33) MIME-Version: 1.0 Received: from fritz.amd.com (165.204.77.1) by SN6PR2101CA0017.namprd21.prod.outlook.com (2603:10b6:805:106::27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2729.6 via Frontend Transport; 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X-Microsoft-Antispam-Message-Info: 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 X-MS-Exchange-AntiSpam-MessageData: oir6A0VMUnf/MDp8O90jAOrIsSjoykoWTsUo2IXkZv0hpGjw/FXM+xBlph5GGLPzewNck6LNAfbLsKwTS8sLJFUILbDXNgJk5O2mb2O6A/Oz6Eia21T9exD0ITXXm02aYtN48VE1FNg16ZAULpQtlw== X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: fa874c2c-ad5a-48dd-d9f5-08d7ac226029 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Feb 2020 23:06:34.0144 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: AITQgVUXrRBOoEcqSY+7ByU46GbNQYpZe0ZdbN8sCEXYn4oSVUjzQxdPVU2bcPHuOfsgiYno1gYO/y19eZHgCw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN6PR12MB2766 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org "acpi_idle_do_entry", "acpi_processor_ffh_cstate_enter", and "idle_cpu" appear in 'perf top' output, at least on AMD systems. Add them to perf's idle_symbols list, so they don't dominate 'perf top' output. Cc: Peter Zijlstra Cc: Ingo Molnar Cc: Arnaldo Carvalho de Melo Cc: Mark Rutland Cc: Alexander Shishkin Cc: Jiri Olsa Cc: Namhyung Kim Cc: Cong Wang Cc: Andi Kleen Cc: Jin Yao Cc: Kan Liang Cc: Kim Phillips Cc: Song Liu Cc: Davidlohr Bueso Cc: linux-perf-users@vger.kernel.org Cc: linux-kernel@vger.kernel.org Acked-by: Jiri Olsa Signed-off-by: Kim Phillips --- v2: Added Jiri Olsa's acked-by: https://lore.kernel.org/lkml/20200120092844.GC608405@krava/ tools/perf/util/symbol.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 3b379b1296f1..f3120c4f47ad 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -635,9 +635,12 @@ int modules__parse(const char *filename, void *arg, static bool symbol__is_idle(const char *name) { const char * const idle_symbols[] = { + "acpi_idle_do_entry", + "acpi_processor_ffh_cstate_enter", "arch_cpu_idle", "cpu_idle", "cpu_startup_entry", + "idle_cpu", "intel_idle", "default_idle", "native_safe_halt", -- 2.25.0