Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Message-ID: <1f4b2477-722d-0ffe-20a2-eba0661da613@amd.com>
Date:   Wed, 7 Dec 2022 11:24:54 +0530
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101
 Thunderbird/102.3.3
Subject: Re: [PATCH v3 2/2] perf test: Add event group test
Content-Language: en-US
To:     Madhavan Srinivasan <maddy@linux.ibm.com>,
        Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc:     Arnaldo Carvalho de Melo <acme@kernel.org>,
        Kan Liang <kan.liang@linux.intel.com>,
        Ian Rogers <irogers@google.com>, Jiri Olsa <jolsa@redhat.com>,
        Namhyung Kim <namhyung@kernel.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Adrian Hunter <adrian.hunter@intel.com>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        carsten.haitzler@arm.com, Leo Yan <leo.yan@linaro.org>,
        Kajol Jain <kjain@linux.ibm.com>,
        Thomas Richter <tmricht@linux.ibm.com>,
        linux-perf-users@vger.kernel.org,
        LKML <linux-kernel@vger.kernel.org>, sandipan.das@amd.com,
        ananth.narayan@amd.com, santosh.shukla@amd.com,
        Ravi Bangoria <ravi.bangoria@amd.com>
References: <20221206043237.12159-1-ravi.bangoria@amd.com>
 <20221206043237.12159-3-ravi.bangoria@amd.com>
 <C7F7A9B0-421E-40AB-987C-6D250B9633D3@linux.vnet.ibm.com>
 <2e45a93d-56fd-b18e-de61-51ceccfee8a3@amd.com>
 <2f0f83f3-91a9-a719-c36e-ca1ff5c9b6f8@linux.ibm.com>
From:   Ravi Bangoria <ravi.bangoria@amd.com>
In-Reply-To: <2f0f83f3-91a9-a719-c36e-ca1ff5c9b6f8@linux.ibm.com>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
MIME-Version: 1.0
X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1
X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?UzVTSGdoS0NRMnJxMDMyYlJmOTlqY1JLdUVJampwV0V6V0tGMXg3UmFTbU1I?=
 =?utf-8?B?RVZqd2xxNUxFYlJXQmRQQlNNL2hWS2FweGtiQW9EYW1hcWZFNEZoSWovSHYx?=
 =?utf-8?B?MEp2QmlLbHZTUENMMFJ5OXFtbUVDRGd1NkRkYnpNMTJrRm43VXRORy9hMlRQ?=
 =?utf-8?B?WnNvUGxCL3g0UFN4Mk5WOE9OcXMrdWsrbldyRGUya2VpV2hTL25VZWZMWW1Q?=
 =?utf-8?B?TWlJSnJrY1MvYXpRbVUySldGVjBMQzNLTkE1TUMvbzJvc3JRNXJmSmVVeS9o?=
 =?utf-8?B?bkhPUXZZQWhiUW1GSTc1ekFKZ3JUM3FzMUZWaDRMYmVJSEJMV0ZOVkxqWUxL?=
 =?utf-8?B?M1VyaHRsZHQ1TFMyWWZYcmsvbXNYUHJxamQwN29EUUdwZGJhcFlxanlKQ1JJ?=
 =?utf-8?B?RUloM014b3k2R3V4R0hwTWNJZHBOK0hVeGk2dXJCVDc3UHdlUjZIVTRJRGdi?=
 =?utf-8?B?MXVUbHk1MExMSk5ydzhpTjh5eTNiNE1NVkVnNzRPNEh2YzhqYjZCNzlEYzY2?=
 =?utf-8?B?MVVzY1FuTnpaSEZPaC9TMUlONVoyeEZyckpBYWlRVjdZOTVpWXdtZkE2UXlq?=
 =?utf-8?B?dXEydmxHRmxiaERkOFhrSVhSaC9ZUTdsL0t1R0JNbW9VUkxzbWlvYk5HZnlu?=
 =?utf-8?B?WTU3OFc1R1M1L2NzZTMvekgxMDBoelNTem9uWFlreTVTanN6UFlnTXVodkVB?=
 =?utf-8?B?dERSbk9LaTFXNml2dEdCQzBNdTFKRTJjL3FrRzBlSjI4V3ZqQ2M3UmIxcTAx?=
 =?utf-8?B?RmxSNGJXRGhXcmwvZmUvS3FRaDJlT05FaGE1bG9LbTc5QnVCRTkyU3ltbC9p?=
 =?utf-8?B?SWJNY0pXNWdQMzREdFZZRXZZcGtGRm5WY3cyRk45Q0U5NHFqTlIyNjIzMEl1?=
 =?utf-8?B?Nm5IZkREOEg5b1lETnhpd3BCM05ZOEJEaFpLSTdkOWdkRjRKYnhlWHlBRDhh?=
 =?utf-8?B?Y0dJSzVNWWl1RmFkM1lVMjBTaStMd3NNb2k1MHBJK2drSUE5V2hOMlE5bjJK?=
 =?utf-8?B?MGw3Rk56Y28vRU15Zy9hdzZ5dnREYlJJU3ZtU01adVBYMnh5MjRZUUUzWHZ2?=
 =?utf-8?B?bjh4VG1VaDg0Y1hMTUtPWWNTYjJDTzFhOFlQNGJuOTQ0bElSRHg3aHFNTGZL?=
 =?utf-8?B?OSthQkllcWRiMHo1cGtjR0wwODRkK29zNG95YWhGN0xZNUVRMkNid0VaWEF0?=
 =?utf-8?B?NVdWOW9uRkl3WVpRTWtVYmZnVHUrSkpGWitMejczRzYwTlJ6UktXVWovblJS?=
 =?utf-8?B?dU85dGh0ZEZxTkQwQnkzbG1JUkNlSEFiOGxUZHNidUFtVmpHTnZiL1ROWDFi?=
 =?utf-8?B?ZmxPNTcvSkV6U0hFWHpmay9nUFBtN1dUenAveXBUN2c3VHZid010bkh1ZWx1?=
 =?utf-8?B?V2tFWkJFN3oralcyTXZjQ3Iva1U2SjZCWmtNNm51dDBhbUFzRGJqYTZra2s3?=
 =?utf-8?B?bUMvdk1vQmpVbklkQ0VlYUkwaFNPTHFVdmNUZjVvcFJmYjM3eFpYSFRsbG5J?=
 =?utf-8?B?Z0txbUlZbE5VYkpNOXd1emNQMlE2a2szeCtpeDk0dzNpbWJGenFXMkRFaG5y?=
 =?utf-8?B?VTJLcTkrdkhwMW5iWEd6YzVNdVVGZmRUZEtpeFVHZERVbjdyUTBuL1VyNFdv?=
 =?utf-8?B?amh2ampDdkxzQ0xIakEyaDdYNHdrK1JIbzFIMG15K3JmMlVKc2VIc21DUHY5?=
 =?utf-8?B?KzAyN3IzTXNqcWZ5cVVJM1ozdFlBcDkxNDFWTng1Y1M5UnpES0M0NDZWYmFp?=
 =?utf-8?B?NnFUa2IvbGp2RENMcFlrcFRwYlIyQVM5OWdvM2JPZDluUzA0ekkxdXkyQ3RL?=
 =?utf-8?B?S21Vc1VMRDhickRtNFZ0bytVNHZNTDJvMitkVFBOSGw2emZhWHkwNWJVeEJO?=
 =?utf-8?B?b3Vvd09VNHZBbEUxZWpJS2dJUm5ya0pmYlFGRFpVbUpoMmE3aCtqUGtIS0E3?=
 =?utf-8?B?ZWJ3bHFYaUxIWGpScUo3a1VpbWpwcXlnSEIwU3BHdmdqeG5VbXJCM0dWN2p0?=
 =?utf-8?B?Zm85WHprT1BDQi9lK1hTTThEUVFHNThDL3VqWitMNGJTS2ZORlRCaC83WlJF?=
 =?utf-8?B?cnBSZzIwMVBMT1dwU0NacTFBNmU0dGhmb25Pcm8vUmtKc2VvYURjYkN5V2hn?=
 =?utf-8?Q?cC2hjRnFJVbhIA0U7ErMw5E3t?=
X-OriginatorOrg: amd.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 04bd5308-8943-4c99-2b9b-08dad8179981
X-MS-Exchange-CrossTenant-AuthSource: PH7PR12MB6588.namprd12.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Dec 2022 05:55:10.1010
 (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: miR1suJz0yDxAHG2boIAV3OXU6NSz8+JeFbj0qboVSa9JooBvmizDX04E1FvidbyezlVCqY5hWe/3SdSUlil0A==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN9PR12MB5225
X-Spam-Status: No, score=-2.4 required=5.0 tests=BAYES_00,DKIM_SIGNED,
        DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_DNSWL_NONE,
        RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS autolearn=ham
        autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
        lindbergh.monkeyblade.net
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

>>> Event group test checks group creation for combinations of
>>> hw, sw and uncore PMU events. Some of the uncore pmu event
>>> requires performance enablement explicitly.
>> You need to open an event to activate hv_24x7 pmu?
> 
> hv_24x7 pmu supports events which can also provide system-wide resource data
> and partition should have permissions to access those, hence the check.

Ah ok. Got it.

Thanks,
Ravi