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Sun, 8 May 2022 17:28:32 -0700 From: Besar Wicaksono To: , , CC: , , , , , , , , , , Besar Wicaksono Subject: [PATCH 0/2] perf: ARM CoreSight PMU support Date: Sun, 8 May 2022 19:28:08 -0500 Message-ID: <20220509002810.12412-1-bwicaksono@nvidia.com> X-Mailer: git-send-email 2.17.1 X-NVConfidentiality: public MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 9f322b7b-3bd4-412b-e87a-08da3152da27 X-MS-TrafficTypeDiagnostic: MW3PR12MB4507:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:12.22.5.234; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add driver support for ARM CoreSight PMU device and event attributes for NVIDIA implementation. The code is based on ARM Coresight PMU architecture and ACPI ARM Performance Monitoring Unit table (APMT) specification below: * ARM Coresight PMU: https://developer.arm.com/documentation/ihi0091/latest * APMT: https://developer.arm.com/documentation/den0117/latest Notes: * There is a concern on the naming of the PMU device. Currently the driver is probing "arm-coresight-pmu" device, however the APMT spec supports different kinds of CoreSight PMU based implementation. So it is open for discussion if the name can stay or a "generic" name is required. Please see the following thread: http://lists.infradead.org/pipermail/linux-arm-kernel/2022-May/740485.html Besar Wicaksono (2): perf: coresight_pmu: Add support for ARM CoreSight PMU driver perf: coresight_pmu: Add support for NVIDIA SCF and MCF attribute arch/arm64/configs/defconfig | 1 + drivers/perf/Kconfig | 2 + drivers/perf/Makefile | 1 + drivers/perf/coresight_pmu/Kconfig | 10 + drivers/perf/coresight_pmu/Makefile | 7 + .../perf/coresight_pmu/arm_coresight_pmu.c | 1317 +++++++++++++++++ .../perf/coresight_pmu/arm_coresight_pmu.h | 147 ++ .../coresight_pmu/arm_coresight_pmu_nvidia.c | 300 ++++ .../coresight_pmu/arm_coresight_pmu_nvidia.h | 17 + 9 files changed, 1802 insertions(+) create mode 100644 drivers/perf/coresight_pmu/Kconfig create mode 100644 drivers/perf/coresight_pmu/Makefile create mode 100644 drivers/perf/coresight_pmu/arm_coresight_pmu.c create mode 100644 drivers/perf/coresight_pmu/arm_coresight_pmu.h create mode 100644 drivers/perf/coresight_pmu/arm_coresight_pmu_nvidia.c create mode 100644 drivers/perf/coresight_pmu/arm_coresight_pmu_nvidia.h -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel