Re: [Qemu-devel] Large sized guest taking for ever to boot...

2012-06-13 Thread Avi Kivity
On 06/13/2012 10:12 AM, Gleb Natapov wrote: >> >> I tried that and didn't make any difference...i.e. the RHEL6.3 RC1 >> guest booted in about ~1 min. >> > Thank you. So this means that ticket spinlock is not to blame for the > slow down compared ti RHEL kernel. > > Where 3.4.1 spends most of the

Re: [Qemu-devel] Large sized guest taking for ever to boot...

2012-06-13 Thread Gleb Natapov
On Tue, Jun 12, 2012 at 11:44:07AM -0700, Chegu Vinod wrote: > On 6/12/2012 8:39 AM, Gleb Natapov wrote: > >On Tue, Jun 12, 2012 at 08:33:59AM -0700, Chegu Vinod wrote: > >>I rebuilt the 3.4.1 kernel in the guest from scratch and retried my > >>experiments and measured > >>the boot times... > >> >

Re: [Qemu-devel] Large sized guest taking for ever to boot...

2012-06-12 Thread Chegu Vinod
On 6/12/2012 8:39 AM, Gleb Natapov wrote: On Tue, Jun 12, 2012 at 08:33:59AM -0700, Chegu Vinod wrote: I rebuilt the 3.4.1 kernel in the guest from scratch and retried my experiments and measured the boot times... a) Host : RHEL6.3 RC1 + qemu-kvm (that came with it)& Guest : RHEL6.3 RC1: ~1

Re: [Qemu-devel] Large sized guest taking for ever to boot...

2012-06-12 Thread Gleb Natapov
On Tue, Jun 12, 2012 at 08:33:59AM -0700, Chegu Vinod wrote: > I rebuilt the 3.4.1 kernel in the guest from scratch and retried my > experiments and measured > the boot times... > > a) Host : RHEL6.3 RC1 + qemu-kvm (that came with it) & Guest : > RHEL6.3 RC1: ~1 min > > b) Host :3.4.1 + qemu-k

Re: [Qemu-devel] Large sized guest taking for ever to boot...

2012-06-12 Thread Chegu Vinod
On 6/8/2012 11:37 AM, Jan Kiszka wrote: On 2012-06-08 20:20, Chegu Vinod wrote: On 6/8/2012 11:08 AM, Jan Kiszka wrote: [CC'ing qemu as this discusses its code base] On 2012-06-08 19:57, Chegu Vinod wrote: On 6/8/2012 10:42 AM, Alex Williamson wrote: On Fri, 2012-06-08 at 10:10 -0700, Chegu

Re: [Qemu-devel] Large sized guest taking for ever to boot...

2012-06-10 Thread Chegu Vinod
On 6/10/2012 2:30 AM, Gleb Natapov wrote: On Fri, Jun 08, 2012 at 11:20:53AM -0700, Chegu Vinod wrote: On 6/8/2012 11:08 AM, Jan Kiszka wrote: BTW, another data point ...if I try to boot a the RHEL6.3 kernel in the guest (with the latest qemu.git and the 3.4.1 on the host) it boots just fine...

Re: [Qemu-devel] Large sized guest taking for ever to boot...

2012-06-10 Thread Gleb Natapov
On Fri, Jun 08, 2012 at 11:20:53AM -0700, Chegu Vinod wrote: > On 6/8/2012 11:08 AM, Jan Kiszka wrote: > BTW, another data point ...if I try to boot a the RHEL6.3 kernel in > the guest (with the latest qemu.git and the 3.4.1 on the host) it > boots just fine > > So something to do with the 3.

Re: [Qemu-devel] Large sized guest taking for ever to boot...

2012-06-08 Thread Jan Kiszka
On 2012-06-08 20:20, Chegu Vinod wrote: > On 6/8/2012 11:08 AM, Jan Kiszka wrote: >> [CC'ing qemu as this discusses its code base] >> >> On 2012-06-08 19:57, Chegu Vinod wrote: >>> On 6/8/2012 10:42 AM, Alex Williamson wrote: On Fri, 2012-06-08 at 10:10 -0700, Chegu Vinod wrote: > On 6/8/2

Re: [Qemu-devel] Large sized guest taking for ever to boot...

2012-06-08 Thread Chegu Vinod
On 6/8/2012 11:08 AM, Jan Kiszka wrote: [CC'ing qemu as this discusses its code base] On 2012-06-08 19:57, Chegu Vinod wrote: On 6/8/2012 10:42 AM, Alex Williamson wrote: On Fri, 2012-06-08 at 10:10 -0700, Chegu Vinod wrote: On 6/8/2012 9:46 AM, Alex Williamson wrote: On Fri, 2012-06-08 at 1

Re: [Qemu-devel] Large sized guest taking for ever to boot...

2012-06-08 Thread Jan Kiszka
[CC'ing qemu as this discusses its code base] On 2012-06-08 19:57, Chegu Vinod wrote: > On 6/8/2012 10:42 AM, Alex Williamson wrote: >> On Fri, 2012-06-08 at 10:10 -0700, Chegu Vinod wrote: >>> On 6/8/2012 9:46 AM, Alex Williamson wrote: On Fri, 2012-06-08 at 16:29 +, Chegu Vinod wrote: >