| 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. |