What: /sys/hypervisor/guest_type
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Date: June 2017
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KernelVersion: 4.13
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Contact: xen-devel@lists.xenproject.org
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Description: If running under Xen:
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Type of guest:
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"Xen": standard guest type on arm
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"HVM": fully virtualized guest (x86)
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"PV": paravirtualized guest (x86)
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"PVH": fully virtualized guest without legacy emulation (x86)
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What: /sys/hypervisor/pmu/pmu_mode
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Date: August 2015
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KernelVersion: 4.3
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Contact: Boris Ostrovsky <boris.ostrovsky@oracle.com>
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Description: If running under Xen:
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Describes mode that Xen's performance-monitoring unit (PMU)
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uses. Accepted values are
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"off" -- PMU is disabled
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"self" -- The guest can profile itself
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"hv" -- The guest can profile itself and, if it is
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privileged (e.g. dom0), the hypervisor
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"all" -- The guest can profile itself, the hypervisor
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and all other guests. Only available to
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privileged guests.
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What: /sys/hypervisor/pmu/pmu_features
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Date: August 2015
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KernelVersion: 4.3
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Contact: Boris Ostrovsky <boris.ostrovsky@oracle.com>
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Description: If running under Xen:
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Describes Xen PMU features (as an integer). A set bit indicates
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that the corresponding feature is enabled. See
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include/xen/interface/xenpmu.h for available features
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What: /sys/hypervisor/properties/buildid
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Date: June 2017
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KernelVersion: 4.13
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Contact: xen-devel@lists.xenproject.org
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Description: If running under Xen:
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Build id of the hypervisor, needed for hypervisor live patching.
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Might return "<denied>" in case of special security settings
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in the hypervisor.
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