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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.
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