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5f14154882
Set Xen's PMU mode via /sys/hypervisor/pmu/pmu_mode. Add XENPMU hypercall. Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: David Vrabel <david.vrabel@citrix.com>
23 lines
875 B
Text
23 lines
875 B
Text
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:
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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:
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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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