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- What: /sys/bus/event_source/devices/dsa*/format
- Date: April 2021
- KernelVersion: 5.13
- Contact: Tom Zanussi <[email protected]>
- Description: Read-only. Attribute group to describe the magic bits
- that go into perf_event_attr.config or
- perf_event_attr.config1 for the IDXD DSA pmu. (See also
- ABI/testing/sysfs-bus-event_source-devices-format).
- Each attribute in this group defines a bit range in
- perf_event_attr.config or perf_event_attr.config1.
- All supported attributes are listed below (See the
- IDXD DSA Spec for possible attribute values)::
- event_category = "config:0-3" - event category
- event = "config:4-31" - event ID
- filter_wq = "config1:0-31" - workqueue filter
- filter_tc = "config1:32-39" - traffic class filter
- filter_pgsz = "config1:40-43" - page size filter
- filter_sz = "config1:44-51" - transfer size filter
- filter_eng = "config1:52-59" - engine filter
- What: /sys/bus/event_source/devices/dsa*/cpumask
- Date: April 2021
- KernelVersion: 5.13
- Contact: Tom Zanussi <[email protected]>
- Description: Read-only. This file always returns the cpu to which the
- IDXD DSA pmu is bound for access to all dsa pmu
- performance monitoring events.
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