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Wed, 15 Jan 2020 22:30:17 +0000 From: Kim Phillips To: Arnaldo Carvalho de Melo , kim.phillips@amd.com Cc: 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 Subject: [PATCH 1/2] perf symbols: Update the list of kernel idle symbols Date: Wed, 15 Jan 2020 16:29:48 -0600 Message-Id: <20200115222949.7247-1-kim.phillips@amd.com> X-Mailer: git-send-email 2.24.1 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: SN6PR16CA0064.namprd16.prod.outlook.com (2603:10b6:805:ca::41) 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 SN6PR16CA0064.namprd16.prod.outlook.com (2603:10b6:805:ca::41) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2623.13 via Frontend Transport; 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X-Microsoft-Antispam-Message-Info: rn3S6box8SJen86XKNTRUN7aOr9jRUevm/ikpVmJQw0yjedxWL8SwPL9y8FR90CSuEMyrdVzjLXsQLRV1Cd75y+yjit9gYdFpU+KGeUBDUIRB1cYtCzxCYpURseKjmi92LqnplU+MOjw3rutAcMZkkS8eY4phsPPS8XyZZhLqgtVxUZ0RNHmHjWDAV42yvxV5ScAUKBaXs22ZwgBnfvVclYqLIgrz+4nydMDm2sj9nOsknKkeSS1EDvVHrpklZO0Ens3P45LBr8+lVUMT4q1irzjP+OGHiWgi/DOhvxpPvmOQh9pHiai6r/0KJzLYrOjojFI+TGCyEa9NsNO/IQnxYbgM0nn5Ycc88UbOulhf7co7cDgJEmB68brzB1VsH1skVfX0tt/gtJI3OnsfvIw4sd2DTndYW58+Z1FTnGSCrDMna6pczk9zYord1TYvWE/ X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: 795a9f95-47a2-4269-61e2-08d79a0a7f98 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Jan 2020 22:30:17.8607 (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: XM9HnzvpiYwRh8dswkNhM0gzt3fYIsge/lEbbRYDxGn5U+h6F+y4eG1c6TVLpy36nJ7pTgYIdicE/IOCAltoJw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN6PR12MB2688 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 Signed-off-by: Kim Phillips --- 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", -- 2.24.1