diff options
Diffstat (limited to 'Documentation/ABI/testing/sysfs-hypervisor-pmu')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-hypervisor-pmu | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-hypervisor-pmu b/Documentation/ABI/testing/sysfs-hypervisor-pmu new file mode 100644 index 000000000000..224faa105e18 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-hypervisor-pmu @@ -0,0 +1,23 @@ +What: /sys/hypervisor/pmu/pmu_mode +Date: August 2015 +KernelVersion: 4.3 +Contact: Boris Ostrovsky <boris.ostrovsky@oracle.com> +Description: + Describes mode that Xen's performance-monitoring unit (PMU) + uses. Accepted values are + "off" -- PMU is disabled + "self" -- The guest can profile itself + "hv" -- The guest can profile itself and, if it is + privileged (e.g. dom0), the hypervisor + "all" -- The guest can profile itself, the hypervisor + and all other guests. Only available to + privileged guests. + +What: /sys/hypervisor/pmu/pmu_features +Date: August 2015 +KernelVersion: 4.3 +Contact: Boris Ostrovsky <boris.ostrovsky@oracle.com> +Description: + Describes Xen PMU features (as an integer). A set bit indicates + that the corresponding feature is enabled. See + include/xen/interface/xenpmu.h for available features |