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- What: /sys/hypervisor/guest_type
- Date: June 2017
- KernelVersion: 4.13
- Contact: [email protected]
- 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 <[email protected]>
- 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 <[email protected]>
- 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: [email protected]
- 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.
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