Re: [Qemu-devel] Anyone seeing huge slowdown launching qemu with Linux 2.6.35?

[Richard W.M. Jones]

On Tue, Aug 03, 2010 at 05:38:25PM +0300, Avi Kivity wrote:
> The time will only continue to grow as you add features and as the
> distro bloats naturally.
> 
> Much better to create it once and only update it if some dependent
> file changes (basically the current on-the-fly code + save a list of
> file timestamps).

This applies to both cases, the initrd could also be saved, so:

> >Total saving: 115ms.
> 
> 815 ms by my arithmetic.

no, not true, 115ms.

> You also save 3*N-2*P memory where N is the size of your initrd and
> P is the actual amount used by the guest.

Can you explain this?

> Loading a file into memory is plenty fast if you use the standard
> interfaces.  -kernel -initrd is a specialized interface.

Why bother with any command line options at all?  After all, they keep
changing and causing problems for qemu's users ...  Apparently we're
all doing stuff "wrong", in ways that are never explained by the
developers.

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming blog: http://rwmj.wordpress.com
Fedora now supports 80 OCaml packages (the OPEN alternative to F#)
http://cocan.org/getting_started_with_ocaml_on_red_hat_and_fedora