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Mon, 22 Sep 2025 17:20:44 -0700 From: Besar Wicaksono To: , , CC: , , , , , , , , , , "Besar Wicaksono" Subject: [PATCH v2 2/5] perf/arm_cspmu: Add callback to reset filter config Date: Tue, 23 Sep 2025 00:18:37 +0000 Message-ID: <20250923001840.1586078-3-bwicaksono@nvidia.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250923001840.1586078-1-bwicaksono@nvidia.com> References: <20250923001840.1586078-1-bwicaksono@nvidia.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL02EPF00021F6A:EE_|SA5PPF7F0CA3746:EE_ X-MS-Office365-Filtering-Correlation-Id: 16ebe464-9f06-4704-e24b-08ddfa37145a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|36860700013|1800799024|376014; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?Hm6nBofA47R4k4uT6UbmFzdzYsjs5corT6DuWrBgbeVIOhmA7upNyLV7djXp?= =?us-ascii?Q?oaQf2GUMaI7i/CAgq18lMzEb/v6Qk9pccTwgazCO4finaXLVo2/mYL5c8lAe?= =?us-ascii?Q?156qpIYjepZuUeTzeb0nW4PsU/Ne0sNd5/re/cPPtw5y3aUSGI/3WbLMIOBj?= =?us-ascii?Q?OhgUV6mNJA8aeo8oGzwWWc6n6sd28O051mEjVA8IuRivuxqrAniu/ou2g7+t?= =?us-ascii?Q?QrCZOTfwPyOgxkf3qdLKPHR6XkhbDRfSMBY/rWyQGcNqmB1j0x4DVvvr+DJA?= =?us-ascii?Q?Pv3ouwTul4XM8SAsYHpdRtJjr1vPXH7t1ZVhphoiZ5/tkz9BLD62JK//1TA5?= =?us-ascii?Q?4fwyrwjjFa4l85AIoj2s2no9vXlZ3tcWH3tsU57azF0lqSK5JMjMhxY0W4QW?= =?us-ascii?Q?eMKKMN+BtJ5E8NWozUI506AwcWOpnBoQsDTbXViXR51RYXBEma7PPWhE00mO?= =?us-ascii?Q?yWfZSdldej7yi2WhjBcja8RCodvuc/I79QExi3opcM3Rl2cgYvn5LRRMJJ61?= =?us-ascii?Q?OOlR2yJ3Mi+0vFl/2siWnCNY2NB2sp6mcDrJPPNLsjaxr3FAhZbipPORoKTw?= =?us-ascii?Q?VBqwrOn70nSFAb7R2y4UmxjnoB6VxT7TiPjV7nvJqmOUZMEJEogupFol+ZFV?= =?us-ascii?Q?6cmm4dPB+ZDEASvuFDk2qdciY1MRXo93wUiWO53EDHNDertwLSvNN1NBffQ1?= =?us-ascii?Q?qPqdF8KEIiYKYWOjtrScfCL/ovesLMupHLOuDo41EH6BqaBiOn0P2IY04rSo?= =?us-ascii?Q?Gbd8NusSD3nje+tulTvzz7eid1b/tIIU8TYXfslPVfQRL2WNRGdqd5/NxkDK?= =?us-ascii?Q?YBNidN0GaIj681QVGZf6wWgMDujCD1ghu3BHx7aiPeBAGOqN7B+lE3lPWJmr?= =?us-ascii?Q?r81PrepCcz5mgSppnLqfDw8//bmwILN0+dNPZ+6rGAQtkekrfyG5x/VEegzv?= =?us-ascii?Q?ELAgDYXvxJpQS4NGdMUftfn1S0cmliPcvBdtpatAJnyH0B7v8ZBHL+SVCXJ1?= =?us-ascii?Q?+yV38I+pU5T4T2nbfPLL1+3M47bm3wIOv30qxlnwEBk+vhqtyTIeU/lxPtdN?= =?us-ascii?Q?VqpwMwHZf/FjCAwZRKqA9PLqpz4zocgtTVyak0mneYA+aSw7TNjqjC0qaFrw?= =?us-ascii?Q?zYrnIvqsT9+0z0s7rUkJa03zxEoOUnLWyYA50IFXSXSfpnadfBVuEP2nv9tq?= =?us-ascii?Q?uaSl2ZnfRFFhjSEavg0jdMU4JBRyY0cRdtLA1w8FaDVMI8acyD8wdS13ZRhy?= =?us-ascii?Q?NPrkgsdsX0m1Rx7bbZkXjvbmdZjExa1ynEg1cS//tt4lOA0g30eltFiMTzzW?= =?us-ascii?Q?1hDmGnSL1CO1+hAR2f4RrXNWaS0I8Crq6MJS1uEe8xRhqDmdNwc8pBhTxoFR?= =?us-ascii?Q?MG0cnEKPlVzU+AaI3Cmvde2/0urr3GhwaDtS8dB2j+4G0aTWRjEPZXHAHzx/?= =?us-ascii?Q?YgkgbZ1N9Io8bBj1Xiq7ogFJbQFWrP3vI1obo8NKqYE3Iba95px4qF+vjMta?= =?us-ascii?Q?l/v0pXcRbamSJaRRTro1wL6jPpoSWOD02sO3?= X-Forefront-Antispam-Report: CIP:216.228.117.161;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge2.nvidia.com;CAT:NONE;SFS:(13230040)(82310400026)(36860700013)(1800799024)(376014);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Sep 2025 00:21:02.6270 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 16ebe464-9f06-4704-e24b-08ddfa37145a X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BL02EPF00021F6A.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA5PPF7F0CA3746 Content-Type: text/plain; charset="utf-8" Implementer may need to reset a filter config when stopping a counter, thus adding a callback for this. Signed-off-by: Besar Wicaksono --- drivers/perf/arm_cspmu/arm_cspmu.c | 4 ++++ drivers/perf/arm_cspmu/arm_cspmu.h | 4 +++- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/perf/arm_cspmu/arm_cspmu.c b/drivers/perf/arm_cspmu/ar= m_cspmu.c index 75b2d80f783e..43770c8ecd14 100644 --- a/drivers/perf/arm_cspmu/arm_cspmu.c +++ b/drivers/perf/arm_cspmu/arm_cspmu.c @@ -815,6 +815,10 @@ static void arm_cspmu_stop(struct perf_event *event, i= nt pmu_flags) return; =20 arm_cspmu_disable_counter(cspmu, hwc->idx); + + if (cspmu->impl.ops.reset_ev_filter) + cspmu->impl.ops.reset_ev_filter(cspmu, event); + arm_cspmu_event_update(event); =20 hwc->state |=3D PERF_HES_STOPPED | PERF_HES_UPTODATE; diff --git a/drivers/perf/arm_cspmu/arm_cspmu.h b/drivers/perf/arm_cspmu/ar= m_cspmu.h index 9c5f11f98acd..21d7e6e2f2da 100644 --- a/drivers/perf/arm_cspmu/arm_cspmu.h +++ b/drivers/perf/arm_cspmu/arm_cspmu.h @@ -153,11 +153,13 @@ struct arm_cspmu_impl_ops { bool (*is_cycle_counter_event)(const struct perf_event *event); /* Decode event type/id from configs */ u32 (*event_type)(const struct perf_event *event); - /* Set event filters */ + /* Set/reset event filters */ void (*set_cc_filter)(struct arm_cspmu *cspmu, const struct perf_event *event); void (*set_ev_filter)(struct arm_cspmu *cspmu, const struct perf_event *event); + void (*reset_ev_filter)(struct arm_cspmu *cspmu, + const struct perf_event *event); /* Implementation specific event validation */ int (*validate_event)(struct arm_cspmu *cspmu, struct perf_event *event); --=20 2.50.1