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{ "id": 2197800, "url": "http://patchwork.ozlabs.org/api/1.0/covers/2197800/?format=api", "project": { "id": 21, "url": "http://patchwork.ozlabs.org/api/1.0/projects/21/?format=api", "name": "Linux Tegra Development", "link_name": "linux-tegra", "list_id": "linux-tegra.vger.kernel.org", "list_email": "linux-tegra@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null }, "msgid": "<20260218145809.1622856-1-bwicaksono@nvidia.com>", "date": "2026-02-18T14:58:01", "name": "[v2,0/8] perf: add NVIDIA Tegra410 Uncore PMU support", "submitter": { "id": 83903, "url": "http://patchwork.ozlabs.org/api/1.0/people/83903/?format=api", "name": "Besar Wicaksono", "email": "bwicaksono@nvidia.com" }, "series": [ { "id": 492565, "url": "http://patchwork.ozlabs.org/api/1.0/series/492565/?format=api", "date": "2026-02-18T14:58:01", "name": "perf: add NVIDIA Tegra410 Uncore PMU support", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/492565/mbox/" } ], "headers": { "Return-Path": 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"spf=pass (sender IP is 216.228.117.160)\n smtp.mailfrom=nvidia.com; dkim=none (message not signed)\n header.d=none;dmarc=pass action=none header.from=nvidia.com;", "Received-SPF": "Pass (protection.outlook.com: domain of nvidia.com designates\n 216.228.117.160 as permitted sender) receiver=protection.outlook.com;\n client-ip=216.228.117.160; helo=mail.nvidia.com; pr=C", "From": "Besar Wicaksono <bwicaksono@nvidia.com>", "To": "<will@kernel.org>, <suzuki.poulose@arm.com>, <robin.murphy@arm.com>,\n\t<ilkka@os.amperecomputing.com>", "CC": "<linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org>,\n\t<linux-tegra@vger.kernel.org>, <mark.rutland@arm.com>, <treding@nvidia.com>,\n\t<jonathanh@nvidia.com>, <vsethi@nvidia.com>, <rwiley@nvidia.com>,\n\t<sdonthineni@nvidia.com>, <skelley@nvidia.com>, <ywan@nvidia.com>,\n\t<mochs@nvidia.com>, <nirmoyd@nvidia.com>, Besar Wicaksono\n\t<bwicaksono@nvidia.com>", "Subject": "[PATCH v2 0/8] perf: add NVIDIA Tegra410 Uncore PMU support", "Date": "Wed, 18 Feb 2026 14:58:01 +0000", "Message-ID": "<20260218145809.1622856-1-bwicaksono@nvidia.com>", "X-Mailer": "git-send-email 2.43.0", "Precedence": "bulk", "X-Mailing-List": "linux-tegra@vger.kernel.org", "List-Id": "<linux-tegra.vger.kernel.org>", "List-Subscribe": "<mailto:linux-tegra+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-tegra+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-NV-OnPremToCloud": "ExternallySecured", "X-EOPAttributedMessage": "0", "X-MS-PublicTrafficType": "Email", "X-MS-TrafficTypeDiagnostic": "BL02EPF0001A101:EE_|DS0PR12MB8042:EE_", "X-MS-Office365-Filtering-Correlation-Id": "35b2c2fb-d320-4c1a-7b9a-08de6efe329a", "X-MS-Exchange-SenderADCheck": "1", "X-MS-Exchange-AntiSpam-Relay": "0", "X-Microsoft-Antispam": "\n\tBCL:0;ARA:13230040|1800799024|82310400026|36860700013|376014|13003099007;", "X-Microsoft-Antispam-Message-Info": "\n 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"X-Forefront-Antispam-Report": "\n\tCIP:216.228.117.160;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge1.nvidia.com;CAT:NONE;SFS:(13230040)(1800799024)(82310400026)(36860700013)(376014)(13003099007);DIR:OUT;SFP:1101;", "X-MS-Exchange-AntiSpam-MessageData-ChunkCount": "1", "X-MS-Exchange-AntiSpam-MessageData-0": "\n\tcc7sIq+/cfFinpI6rE/BQWFuBPhmLqgg0ZFn068X1zm/d8FaHRH39PrSnGIKCJWGhK9fR3OrXmgLiN0IaJxMJbramJeLGnFumBomxY/r2/7sgNKq04kNMO7OPfAnSAyF9NRb+J7d12V2dWUtoH+mXA1gH0u3iK/IHEz0AQHAQfk34F1bnBNpu4lA6soISOfZQ+LFn5Vy05SDeLAeyDmTvpp7R0XEmix9qumlShNE/nDb9C95ZfuAWXSWarXQBrVDEGtDbTqjIMQpn2twf/PJCkcinPRJ7AihLcFVU/EEMtNsYSJsEZf2j+RVYHHa4gMMkLIC/340D6cUeePxnD/6scLnQd3yuXzBmcWlMoyXGbQiQr4HBUIGriPZE303zTR0tunZrxJs6kAVs1DTPFJZHjJBuUR23B+/wWEFv+QYrpstp8hEFwlcCXB0l8YvVmXt", "X-OriginatorOrg": "Nvidia.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "18 Feb 2026 14:58:38.0934\n (UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n 35b2c2fb-d320-4c1a-7b9a-08de6efe329a", "X-MS-Exchange-CrossTenant-Id": "43083d15-7273-40c1-b7db-39efd9ccc17a", "X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp": "\n TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n\tBL02EPF0001A101.namprd05.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "DS0PR12MB8042" }, "content": "This series adds driver support for the following Uncore PMUs in\nNVIDIA Tegra410 SoC:\n - Unified Coherence Fabric (UCF)\n - PCIE\n - PCIE-TGT\n - CPU Memory (CMEM) Latency\n - NVLink-C2C\n - NV-CLink\n - NV-DLink\n\nChanges from v1:\n * Add more clarity on the commit message.\n * Fix build error reported by kernel test robot on PATCH 6/8.\n * It was missing ACPI dependency on Kconfig for the CPU Memory\n Latency PMU.\n * Apply code formatting suggestions from Ilkka.\n * Added Reviewed-by from Ilkka.\nThanks to Ilkka, Krzysztof, and Jon for the comments.\nv1: https://lore.kernel.org/all/20260126181155.2776097-1-bwicaksono@nvidia.com/T/#t\n\nThanks,\nBesar\n\nBesar Wicaksono (8):\n perf/arm_cspmu: nvidia: Rename doc to Tegra241\n perf/arm_cspmu: nvidia: Add Tegra410 UCF PMU\n perf/arm_cspmu: Add arm_cspmu_acpi_dev_get\n perf/arm_cspmu: nvidia: Add Tegra410 PCIE PMU\n perf/arm_cspmu: nvidia: Add Tegra410 PCIE-TGT PMU\n perf: add NVIDIA Tegra410 CPU Memory Latency PMU\n perf: add NVIDIA Tegra410 C2C PMU\n arm64: defconfig: Enable NVIDIA TEGRA410 PMU\n\n Documentation/admin-guide/perf/index.rst | 3 +-\n ...nvidia-pmu.rst => nvidia-tegra241-pmu.rst} | 8 +-\n .../admin-guide/perf/nvidia-tegra410-pmu.rst | 520 ++++++++\n arch/arm64/configs/defconfig | 2 +\n drivers/perf/Kconfig | 14 +\n drivers/perf/Makefile | 2 +\n drivers/perf/arm_cspmu/arm_cspmu.c | 22 +-\n drivers/perf/arm_cspmu/arm_cspmu.h | 17 +-\n drivers/perf/arm_cspmu/nvidia_cspmu.c | 624 +++++++++-\n drivers/perf/nvidia_t410_c2c_pmu.c | 1062 +++++++++++++++++\n drivers/perf/nvidia_t410_cmem_latency_pmu.c | 727 +++++++++++\n 11 files changed, 2988 insertions(+), 13 deletions(-)\n rename Documentation/admin-guide/perf/{nvidia-pmu.rst => nvidia-tegra241-pmu.rst} (98%)\n create mode 100644 Documentation/admin-guide/perf/nvidia-tegra410-pmu.rst\n create mode 100644 drivers/perf/nvidia_t410_c2c_pmu.c\n create mode 100644 drivers/perf/nvidia_t410_cmem_latency_pmu.c" }