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lastdragon
2026-09-06 12:53:21 -06:00
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linux-7.2.3/Documentation/ABI/testing/sysfs-bus-event_source-devices-vpa-dtl
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What: /sys/bus/event_source/devices/vpa_dtl/format
Date: February 2025
Contact: Linux on PowerPC Developer List <linuxppc-dev at lists.ozlabs.org>
Description: Read-only. Attribute group to describe the magic bits
that go into perf_event_attr.config for a particular pmu.
(See ABI/testing/sysfs-bus-event_source-devices-format).
Each attribute under this group defines a bit range of the
perf_event_attr.config. Supported attribute are listed
below::
event = "config:0-7" - event ID
For example::
dtl_cede = "event=0x1"
What: /sys/bus/event_source/devices/vpa_dtl/events
Date: February 2025
Contact: Linux on PowerPC Developer List <linuxppc-dev at lists.ozlabs.org>
Description: (RO) Attribute group to describe performance monitoring events
for the Virtual Processor Dispatch Trace Log. Each attribute in
this group describes a single performance monitoring event
supported by vpa_dtl pmu. The name of the file is the name of
the event (See ABI/testing/sysfs-bus-event_source-devices-events).