| What: /sys/hypervisor/guest_type |
| Date: June 2017 |
| KernelVersion: 4.13 |
| Contact: xen-devel@lists.xenproject.org |
| Description: If running under Xen: |
| Type of guest: |
| "Xen": standard guest type on arm |
| "HVM": fully virtualized guest (x86) |
| "PV": paravirtualized guest (x86) |
| "PVH": fully virtualized guest without legacy emulation (x86) |
| |
| What: /sys/hypervisor/pmu/pmu_mode |
| Date: August 2015 |
| KernelVersion: 4.3 |
| Contact: Boris Ostrovsky <boris.ostrovsky@oracle.com> |
| Description: If running under Xen: |
| 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: If running under Xen: |
| 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 |
| |
| What: /sys/hypervisor/properties/buildid |
| Date: June 2017 |
| KernelVersion: 4.13 |
| Contact: xen-devel@lists.xenproject.org |
| Description: If running under Xen: |
| Build id of the hypervisor, needed for hypervisor live patching. |
| Might return "<denied>" in case of special security settings |
| in the hypervisor. |
