CONFIG_INTEL_IOMMU_PERF_EVENTS: Intel IOMMU performance events

General informations

The Linux kernel configuration item CONFIG_INTEL_IOMMU_PERF_EVENTS:

• prompt: Intel IOMMU performance events
• type: bool
• depends on: CONFIG_INTEL_IOMMU && CONFIG_PERF_EVENTS
• defined in drivers/iommu/intel/Kconfig
• found in Linux kernels: 6.3–6.8, 6.9-rc+HEAD

Help text

Selecting this option will enable the performance monitoring infrastructure in the Intel IOMMU. It collects information about key events occurring during operation of the remapping hardware, to aid performance tuning and debug. These are available on modern processors which support Intel VT-d 4.0 and later.

Hardware

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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