| 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 |