[PATCH 2/2] docs: ABI: sysfs-bus-event_source-devices-vpa-dtl: Document sysfs event format entries for vpa_dtl pmu
From: Kajol Jain <hidden>
Date: 2024-08-28 10:22:07
Also in:
linux-perf-users, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
Details are added for the vpa_dtl pmu event and format attributes in the ABI documentation. Signed-off-by: Kajol Jain <redacted> --- .../sysfs-bus-event_source-devices-vpa-dtl | 25 +++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-bus-event_source-devices-vpa-dtl
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..21459b7bb158
--- /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: August 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:0-7" - event ID + + For example:: + + dtl_cede = "event=0x1" + +What: /sys/bus/event_source/devices/vpa_dtl/events +Date: August 2024 +Contact: Linux on PowerPC Developer List <linuxppc-dev@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).
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2.43.5