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linux-yocto/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_gpci
Cody P Schafer ad0a02b834 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>
2014-03-24 09:48:33 +11:00

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What: /sys/bus/event_source/devices/hv_gpci/interface/collect_privileged Date: February 2014 Contact: Cody P Schafer cody@linux.vnet.ibm.com Description: '0' if the hypervisor is configured to forbid access to event counters being accumulated by other guests and to physical domain event counters. '1' if that access is allowed.

What: /sys/bus/event_source/devices/hv_gpci/interface/ga Date: February 2014 Contact: Cody P Schafer cody@linux.vnet.ibm.com Description: 0 or 1. Indicates whether we have access to "GA" events (listed in arch/powerpc/perf/hv-gpci.h).

What: /sys/bus/event_source/devices/hv_gpci/interface/expanded Date: February 2014 Contact: Cody P Schafer cody@linux.vnet.ibm.com Description: 0 or 1. Indicates whether we have access to "EXPANDED" events (listed in arch/powerpc/perf/hv-gpci.h).

What: /sys/bus/event_source/devices/hv_gpci/interface/lab Date: February 2014 Contact: Cody P Schafer cody@linux.vnet.ibm.com Description: 0 or 1. Indicates whether we have access to "LAB" events (listed in arch/powerpc/perf/hv-gpci.h).

What: /sys/bus/event_source/devices/hv_gpci/interface/version Date: February 2014 Contact: Cody P Schafer cody@linux.vnet.ibm.com Description: A number indicating the version of the gpci interface that the hypervisor reports supporting.

What: /sys/bus/event_source/devices/hv_gpci/interface/kernel_version Date: February 2014 Contact: Cody P Schafer cody@linux.vnet.ibm.com Description: A number indicating the latest version of the gpci interface that the kernel is aware of.