diff options
| author | Kajol Jain <kjain@linux.ibm.com> | 2025-09-15 15:59:43 +0530 |
|---|---|---|
| committer | Madhavan Srinivasan <maddy@linux.ibm.com> | 2025-09-22 14:48:57 +0530 |
| commit | 6f2c65680c336a274b69b1fdcbfa2eeb8159bee8 (patch) | |
| tree | a4e94c838e5b36d378712598913e1320e8c5c72a | |
| parent | 4708fba19adee9ba14ef28af6face4ab043d9cd6 (diff) | |
docs: ABI: sysfs-bus-event_source-devices-vpa-dtl: Document sysfs event format entries for vpa_dtl pmu
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
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-event_source-devices-vpa-dtl | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-event_source-devices-vpa-dtl b/Documentation/ABI/testing/sysfs-bus-event_source-devices-vpa-dtl new file mode 100644 index 000000000000..7b7c789a5cf5 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-event_source-devices-vpa-dtl @@ -0,0 +1,25 @@ +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). |