162306a36Sopenharmony_ciWhat: /sys/bus/event_source/devices/dmar*/format 262306a36Sopenharmony_ciDate: Jan 2023 362306a36Sopenharmony_ciKernelVersion: 6.3 462306a36Sopenharmony_ciContact: Kan Liang <kan.liang@linux.intel.com> 562306a36Sopenharmony_ciDescription: Read-only. Attribute group to describe the magic bits 662306a36Sopenharmony_ci that go into perf_event_attr.config, 762306a36Sopenharmony_ci perf_event_attr.config1 or perf_event_attr.config2 for 862306a36Sopenharmony_ci the IOMMU pmu. (See also 962306a36Sopenharmony_ci ABI/testing/sysfs-bus-event_source-devices-format). 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci Each attribute in this group defines a bit range in 1262306a36Sopenharmony_ci perf_event_attr.config, perf_event_attr.config1, 1362306a36Sopenharmony_ci or perf_event_attr.config2. All supported attributes 1462306a36Sopenharmony_ci are listed below (See the VT-d Spec 4.0 for possible 1562306a36Sopenharmony_ci attribute values):: 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_ci event = "config:0-27" - event ID 1862306a36Sopenharmony_ci event_group = "config:28-31" - event group ID 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_ci filter_requester_en = "config1:0" - Enable Requester ID filter 2162306a36Sopenharmony_ci filter_domain_en = "config1:1" - Enable Domain ID filter 2262306a36Sopenharmony_ci filter_pasid_en = "config1:2" - Enable PASID filter 2362306a36Sopenharmony_ci filter_ats_en = "config1:3" - Enable Address Type filter 2462306a36Sopenharmony_ci filter_page_table_en= "config1:4" - Enable Page Table Level filter 2562306a36Sopenharmony_ci filter_requester_id = "config1:16-31" - Requester ID filter 2662306a36Sopenharmony_ci filter_domain = "config1:32-47" - Domain ID filter 2762306a36Sopenharmony_ci filter_pasid = "config2:0-21" - PASID filter 2862306a36Sopenharmony_ci filter_ats = "config2:24-28" - Address Type filter 2962306a36Sopenharmony_ci filter_page_table = "config2:32-36" - Page Table Level filter 3062306a36Sopenharmony_ci 3162306a36Sopenharmony_ciWhat: /sys/bus/event_source/devices/dmar*/cpumask 3262306a36Sopenharmony_ciDate: Jan 2023 3362306a36Sopenharmony_ciKernelVersion: 6.3 3462306a36Sopenharmony_ciContact: Kan Liang <kan.liang@linux.intel.com> 3562306a36Sopenharmony_ciDescription: Read-only. This file always returns the CPU to which the 3662306a36Sopenharmony_ci IOMMU pmu is bound for access to all IOMMU pmu performance 3762306a36Sopenharmony_ci monitoring events. 38