| Boris Ostrovsky | 5f14154 | 2015-08-10 16:34:33 -0400 | [diff] [blame] | 1 | What: /sys/hypervisor/pmu/pmu_mode |
| 2 | Date: August 2015 |
| 3 | KernelVersion: 4.3 |
| 4 | Contact: Boris Ostrovsky <boris.ostrovsky@oracle.com> |
| 5 | Description: |
| 6 | Describes mode that Xen's performance-monitoring unit (PMU) |
| 7 | uses. Accepted values are |
| 8 | "off" -- PMU is disabled |
| 9 | "self" -- The guest can profile itself |
| 10 | "hv" -- The guest can profile itself and, if it is |
| 11 | privileged (e.g. dom0), the hypervisor |
| 12 | "all" -- The guest can profile itself, the hypervisor |
| 13 | and all other guests. Only available to |
| 14 | privileged guests. |
| 15 | |
| 16 | What: /sys/hypervisor/pmu/pmu_features |
| 17 | Date: August 2015 |
| 18 | KernelVersion: 4.3 |
| 19 | Contact: Boris Ostrovsky <boris.ostrovsky@oracle.com> |
| 20 | Description: |
| 21 | Describes Xen PMU features (as an integer). A set bit indicates |
| 22 | that the corresponding feature is enabled. See |
| 23 | include/xen/interface/xenpmu.h for available features |