11-01-2013
Been doing that for days. We actually have MS engaged. As one would expect Windows operating systems don't suffer the same.
---------- Post updated at 12:18 AM ---------- Previous update was at 12:16 AM ----------
Care to elaborate on severe? Some might consider even 25 or 50% severe.
Note that we also see this performance degradation, in fact worse, using 5.0.7V native on Hyper-V. It is not limited to just the nested hypervisor scenario.
Thanks.
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LEARN ABOUT FREEBSD
hv_utils
HYPER-V(4) BSD Kernel Interfaces Manual HYPER-V(4)
NAME
hv_utils -- Hyper-V Utilities Driver
SYNOPSIS
To compile this driver into the kernel, place the following lines in the system kernel configuration file:
device hyperv
DESCRIPTION
The hv_utils driver provides time keeping, shutdown and heartbeat functionality for FreeBSD guest partitions running on Hyper-V. Hyper-V is
a hypervisor-based virtualization technology from Microsoft. The hv_utils driver is one of the core drivers required to be present in guest
partitions running on Hyper-V. This driver provides the following functionalities to guest partitions:
(a) Time Keeping: The clock inside the guest partition will remain accurate by synchronizing to the clock on the virtualization server via
Timesync service, and with the help of the pluggable time source device.
(b) Integrated shutdown: Guest partitions running FreeBSD can be shut down from Hyper-V Manager console by using the "Shut down" command.
(c) Heartbeat: This feature allows the virtualization server to detect whether the guest partition is running and responsive.
SEE ALSO
hv_ata_pci_disengage(4), hv_netvsc(4), hv_storvsc(4), hv_vmbus(4)
HISTORY
Support for hv_utils first appeared in FreeBSD 10.0. The driver was developed through a joint effort between Citrix Incorporated, Microsoft
Corporation, and Network Appliance Incorporated.
AUTHORS
FreeBSD support for hv_utils was first added by Microsoft BSD Integration Services Team <bsdic@microsoft.com>.
BSD
September 10, 2013 BSD