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Wed, 5 Aug 2026 00:57:37 -0700 From: Zhi Wang To: , CC: , , , , , , , , , , , , , , , , , , , , , , , , , , Zhi Wang Subject: [PATCH 0/3] gpu: nova-core: add formatted trace events Date: Wed, 5 Aug 2026 10:57:20 +0300 Message-ID: X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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: BL02EPF0001A103:EE_|DM4PR12MB8572:EE_ X-MS-Office365-Filtering-Correlation-Id: ba216d12-96c4-423c-dad4-08def2c7456f X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700016|23010399003|1800799024|82310400026|376014|7416014|13003099007|10067099003|56012099006|11063799006|3023799007|18002099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.118.232;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge1.nvidia.com;CAT:NONE;SFS:(13230040)(36860700016)(23010399003)(1800799024)(82310400026)(376014)(7416014)(13003099007)(10067099003)(56012099006)(11063799006)(3023799007)(18002099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: LFbulY3yB2nd9Oy01trdPSeVv2O1ZJz42+6ofOc75DXkFJhUyEy6cvU6eSXU0HsMWeEKk6vc0XFpEUZDAbSoRxmORQ0aClvVAzyTg/g4tJbEg6wrKv3lZE6wFmCfn+xE+xRZCoTg+uN+H+wwFY0Db7vNxslLkD3YznZfJIySbal6gZAsUVp5gpuCkyjxxAhGLwA9HcudsuDNgb7SqUSDec8rsn3kQNNeZgNOY4BSdL1o19Ha1TKp+n3KyRBN7eH0IVZk201G4aRgI/0Uf2nqICvaxmK9j/RRuPo+7LggoFlD+peD+qfZEF2eWs8ti4zUxBpZLfS5DwjnjJuDuzQLF50fHntVjhb3s7JxQvBcLCxRsDe7Rci2f1VhIl38OyKRmGdwzPhVJi3wtu0zbuIJ+FUKKuyNPjBO/+9ibCOE26/8Ja0nXMc/4NWyaSfcJ4AF X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Aug 2026 07:58:00.8624 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ba216d12-96c4-423c-dad4-08def2c7456f X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.232];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BL02EPF0001A103.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB8572 Tracking driver and firmware activity is useful for debugging and bug reports, e.g. GSP and FSP message sends and receives, vGPU states, lifecycle events[1]. Trace events provide a low-overhead interface for frequent diagnostics and allow each component stream to be enabled independently. This series adds a shared formatted event class and independent events for general driver, FSP, GSP and vGPU messages. It replaces selected dev_dbg!() calls with their corresponding trace events and adds FSP NVDM send and receive records with the message type and length. Use the module selector to enable the events before nova-core probes. With tracefs mounted at /sys/kernel/tracing, run: cd /sys/kernel/tracing echo 'nova_core:*:mod:nova_core' > set_event echo 1 > tracing_on insmod /path/to/nova-core.ko cat trace [1] https://github.com/zhiwang-nvidia/nova-core/tree/zhi/nova-gpu-wip-nova-gsp-20260803 Zhi Wang (3): gpu: nova-core: add formatted tracing gpu: nova-core: trace driver probe and firmware messages gpu: nova-core: trace vGPU state drivers/gpu/Makefile | 4 +- drivers/gpu/nova-core/driver.rs | 7 +- drivers/gpu/nova-core/fsp.rs | 16 ++- drivers/gpu/nova-core/gsp/cmdq.rs | 11 ++- drivers/gpu/nova-core/nova_core.rs | 1 + drivers/gpu/nova-core/trace.c | 5 + drivers/gpu/nova-core/trace.h | 52 ++++++++++ drivers/gpu/nova-core/trace.rs | 151 +++++++++++++++++++++++++++++ drivers/gpu/nova-core/vgpu.rs | 5 +- rust/bindings/bindings_helper.h | 4 + 10 files changed, 245 insertions(+), 11 deletions(-) create mode 100644 drivers/gpu/nova-core/trace.c create mode 100644 drivers/gpu/nova-core/trace.h create mode 100644 drivers/gpu/nova-core/trace.rs base-commit: 44e7e7f7cffb10a93bb88e7cb59b7b8b3e2deb1c -- 2.53.0