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