Commit 4ae0b32e authored by Kajol Jain's avatar Kajol Jain Committed by Michael Ellerman
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docs: ABI: sysfs-bus-event_source-devices-vpa-pmu: Document sysfs event format entries for vpa_pmu



Details are added for the vpa_pmu event and format
attributes in the ABI documentation.

Signed-off-by: default avatarKajol Jain <kjain@linux.ibm.com>
Co-developed-by: default avatarMadhavan Srinivasan <maddy@linux.ibm.com>
Signed-off-by: default avatarMadhavan Srinivasan <maddy@linux.ibm.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://patch.msgid.link/20241118114114.208964-2-kjain@linux.ibm.com
parent 176cda06
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What:           /sys/bus/event_source/devices/vpa_pmu/format
Date:           November 2024
Contact:        Linux on PowerPC Developer List <linuxppc-dev@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:0-31" - event ID

		For example::

		  l1_to_l2_lat = "event=0x1"

What:           /sys/bus/event_source/devices/vpa_pmu/events
Date:           November 2024
Contact:        Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org>
Description:	Read-only. Attribute group to describe performance monitoring
                events for the Virtual Processor Area events. Each attribute
		in this group describes a single performance monitoring event
		supported by vpa_pmu. The name of the file is the name of
		the event (See ABI/testing/sysfs-bus-event_source-devices-events).