[Libguestfs] guestfish runs w/ a nested guest
Richard W.M. Jones
rjones at redhat.com
Thu May 16 15:42:34 UTC 2013
On Tue, May 14, 2013 at 06:14:11PM +0530, Kashyap Chamarthy wrote:
> To summarize:
>
> L0 (bare-metal):
> - guestfish run: ~ 3 seconds
>
> L1 (guest):
> - w/o nesting, guestfish run: ~ 52 seconds
> - w/ nesting, guestfish run: ~ 8 seconds (Almost 6 1/2 times speed improvement)
Or to put it another way, nested hardware virtualization is over twice
as slow as ordinary hardware virtualization :-)
However it's still a lot better than TCG, so this is good.
Rich.
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
virt-df lists disk usage of guests without needing to install any
software inside the virtual machine. Supports Linux and Windows.
http://people.redhat.com/~rjones/virt-df/
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