Re: [Libguestfs] guestfish runs w/ a nested guest

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/