ad0a02b834
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>
43 lines
1.5 KiB
Text
43 lines
1.5 KiB
Text
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.
|