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Details are added for the vpa_dtl pmu event and format attributes in the ABI documentation. Signed-off-by: Kajol Jain <kjain@linux.ibm.com> Tested-by: Tejas Manhas <tejas05@linux.ibm.com> Tested-by: Venkat Rao Bagalkote <venkat88@linux.ibm.com> Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com> Link: https://patch.msgid.link/20250915102947.26681-4-atrajeev@linux.ibm.com
26 lines
1.1 KiB
Plaintext
26 lines
1.1 KiB
Plaintext
What: /sys/bus/event_source/devices/vpa_dtl/format
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Date: February 2025
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Contact: Linux on PowerPC Developer List <linuxppc-dev at lists.ozlabs.org>
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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 for a particular pmu.
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(See ABI/testing/sysfs-bus-event_source-devices-format).
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Each attribute under this group defines a bit range of the
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perf_event_attr.config. Supported attribute are listed
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below::
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event = "config:0-7" - event ID
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For example::
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dtl_cede = "event=0x1"
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What: /sys/bus/event_source/devices/vpa_dtl/events
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Date: February 2025
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Contact: Linux on PowerPC Developer List <linuxppc-dev at lists.ozlabs.org>
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Description: (RO) Attribute group to describe performance monitoring events
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for the Virtual Processor Dispatch Trace Log. Each attribute in
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this group describes a single performance monitoring event
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supported by vpa_dtl pmu. The name of the file is the name of
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the event (See ABI/testing/sysfs-bus-event_source-devices-events).
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