0001 What: /sys/hypervisor/guest_type
0002 Date: June 2017
0003 KernelVersion: 4.13
0004 Contact: xen-devel@lists.xenproject.org
0005 Description: If running under Xen:
0006 Type of guest:
0007 "Xen": standard guest type on arm
0008 "HVM": fully virtualized guest (x86)
0009 "PV": paravirtualized guest (x86)
0010 "PVH": fully virtualized guest without legacy emulation (x86)
0011
0012 What: /sys/hypervisor/pmu/pmu_mode
0013 Date: August 2015
0014 KernelVersion: 4.3
0015 Contact: Boris Ostrovsky <boris.ostrovsky@oracle.com>
0016 Description: If running under Xen:
0017 Describes mode that Xen's performance-monitoring unit (PMU)
0018 uses. Accepted values are:
0019
0020 ====== ============================================
0021 "off" PMU is disabled
0022 "self" The guest can profile itself
0023 "hv" The guest can profile itself and, if it is
0024 privileged (e.g. dom0), the hypervisor
0025 "all" The guest can profile itself, the hypervisor
0026 and all other guests. Only available to
0027 privileged guests.
0028 ====== ============================================
0029
0030 What: /sys/hypervisor/pmu/pmu_features
0031 Date: August 2015
0032 KernelVersion: 4.3
0033 Contact: Boris Ostrovsky <boris.ostrovsky@oracle.com>
0034 Description: If running under Xen:
0035 Describes Xen PMU features (as an integer). A set bit indicates
0036 that the corresponding feature is enabled. See
0037 include/xen/interface/xenpmu.h for available features
0038
0039 What: /sys/hypervisor/properties/buildid
0040 Date: June 2017
0041 KernelVersion: 4.13
0042 Contact: xen-devel@lists.xenproject.org
0043 Description: If running under Xen:
0044 Build id of the hypervisor, needed for hypervisor live patching.
0045 Might return "<denied>" in case of special security settings
0046 in the hypervisor.
