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Diffstat (limited to 'Documentation/ABI/testing/sysfs-bus-event_source-devices-caps')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-event_source-devices-caps | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-event_source-devices-caps b/Documentation/ABI/testing/sysfs-bus-event_source-devices-caps new file mode 100644 index 000000000000..8757dcf41c08 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-event_source-devices-caps @@ -0,0 +1,18 @@ +What: /sys/bus/event_source/devices/<dev>/caps +Date: May 2022 +KernelVersion: 5.19 +Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org> +Description: + Attribute group to describe the capabilities exposed + for a particular pmu. Each attribute of this group can + expose information specific to a PMU, say pmu_name, so that + userspace can understand some of the feature which the + platform specific PMU supports. + + One of the example available capability in supported platform + like Intel is pmu_name, which exposes underlying CPU name known + to the PMU driver. + + Example output in powerpc: + grep . /sys/bus/event_source/devices/cpu/caps/* + /sys/bus/event_source/devices/cpu/caps/pmu_name:POWER9 |