Intel IOMMU performance events
modulename: perfmon.ko
configname: CONFIG_INTEL_IOMMU_PERF_EVENTS
Linux Kernel Configuration
└─>Device Drivers
└─>IOMMU Hardware Support
└─>Intel IOMMU performance events
In linux kernel since version 6.3 (release Date: 2023-04-23)
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.
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.