Re: [libvirt] Qemu/KVM is 3x slower under libvirt
* Reeted (reeted(a)shiftmail.org) wrote:
On 09/29/11 02:39, Chris Wright wrote:
>Can you help narrow down what is happening during the additional 12
>seconds in the guest? For example, does a quick simple boot to single
>user mode happen at the same boot speed w/ and w/out vhost_net?
Not tried (would probably be too short to measure effectively) but
I'd guess it would be the same as for multiuser, see also the FC6
sub-thread
>I'm guessing (hoping) that it's the network bring-up that is slow.
>Are you using dhcp to get an IP address? Does static IP have the same
>slow down?
It's all static IP.
And please see my previous post, 1 hour before yours, regarding
Fedora Core 6: the bring-up of eth0 in Fedora Core 6 is not
particularly faster or slower than the rest. This is an overall
system slowdown (I'd say either CPU or disk I/O) not related to the
network (apart from being triggered by vhost_net).
OK, I re-read it (pretty sure FC6 had the old dhclient, which is why
I wondered). That is odd. No ideas are springing to mind.
thanks,
-chris