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Wed, 17 Sep 2025 05:58:32 +0000 Message-ID: Date: Wed, 17 Sep 2025 08:58:27 +0300 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH V3 0/6] perf/tools: Add interface to expose vpa dtl To: Athira Rajeev , , , , , , CC: , , , , , , References: <20250916052536.93911-1-atrajeev@linux.ibm.com> Content-Language: en-US From: Adrian Hunter Organization: Intel Finland Oy, Registered Address: c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo, Business Identity Code: 0357606 - 4, Domiciled in Helsinki In-Reply-To: <20250916052536.93911-1-atrajeev@linux.ibm.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: LNXP265CA0018.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:5e::30) To IA1PR11MB7198.namprd11.prod.outlook.com (2603:10b6:208:419::15) Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: IA1PR11MB7198:EE_|PH7PR11MB8249:EE_ X-MS-Office365-Filtering-Correlation-Id: 9f66924b-7fe0-402d-b5b3-08ddf5af3ba0 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|366016|7416014|376014; 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With this information, > user can retrieve when and why each dispatch & preempt has occurred. > The vpa-dtl PMU exposes the Virtual Processor Area(VPA) DTL counters > via perf. > > - Patch 1 to 6 is perf tools side code changes to enable perf > report/script on perf.data file For all patches 1 to 6: Reviewed-by: Adrian Hunter