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| author |   Cody P Schafer <cody@linux.vnet.ibm.com> | 2014-03-14 16:00:44 +1100 |
|---|---|---|
| committer |   Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2014-03-24 09:48:33 +1100 |
| commit | ad0a02b834777f2e107bfd2f3fa240cd7335cc59 (patch) | |
| tree | 308f91b2091ff06dc0a19e0a0d405017755cbef1 /Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_24x7 | |
| parent | powerpc/perf: Add kconfig option for hypervisor provided counters (diff) | |
| download | wireguard-linux-ad0a02b834777f2e107bfd2f3fa240cd7335cc59.tar.xz wireguard-linux-ad0a02b834777f2e107bfd2f3fa240cd7335cc59.zip | |
powerpc/perf/hv_{gpci, 24x7}: Add documentation of device attributes
gpci and 24x7 expose some device specific attributes. Add some
documentation for them.
Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_24x7')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_24x7 | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_24x7 b/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_24x7 new file mode 100644 index 000000000000..e78ee798d7bd --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_24x7 @@ -0,0 +1,23 @@ +What: /sys/bus/event_source/devices/hv_24x7/interface/catalog +Date: February 2014 +Contact: Cody P Schafer <cody@linux.vnet.ibm.com> +Description: + Provides access to the binary "24x7 catalog" provided by the + hypervisor on POWER7 and 8 systems. This catalog lists events + avaliable from the powerpc "hv_24x7" pmu. Its format is + documented here: + https://raw.githubusercontent.com/jmesmon/catalog-24x7/master/hv-24x7-catalog.h + +What: /sys/bus/event_source/devices/hv_24x7/interface/catalog_length +Date: February 2014 +Contact: Cody P Schafer <cody@linux.vnet.ibm.com> +Description: + A number equal to the length in bytes of the catalog. This is + also extractable from the provided binary "catalog" sysfs entry. + +What: /sys/bus/event_source/devices/hv_24x7/interface/catalog_version +Date: February 2014 +Contact: Cody P Schafer <cody@linux.vnet.ibm.com> +Description: + Exposes the "version" field of the 24x7 catalog. This is also + extractable from the provided binary "catalog" sysfs entry. |