Re: [Xen-devel] [Xen-users] Re: Xen 4 TSC problems

[Mauro <mrsanna1@xxxxxxxxx>]

On 23 October 2012 13:50, Konrad Rzeszutek Wilk <konrad@xxxxxxxxxx> wrote:
> On Tue, Oct 23, 2012 at 09:50:13AM +0100, Jan Beulich wrote:
>> >>> On 23.10.12 at 10:40, Mauro <mrsanna1@xxxxxxxxx> wrote:
>> > On 23 October 2012 09:58, Jan Beulich <JBeulich@xxxxxxxx> wrote:
>> >>>>> On 23.10.12 at 09:18, Mauro <mrsanna1@xxxxxxxxx> wrote:
>> >>>>  A kernel run with no Xen underneath it.
>> >>>
>> >>> Here is:
>> >>>
>> >>> uname -a
>> >>> Linux xen-p02 2.6.32-5-amd64 #1 SMP Sun Sep 23 10:07:46 UTC 2012
>> >>> x86_64 GNU/Linux
>> >>
>> >> I'm sorry to say that, but 2.6.32 is nowhere close to "recent" (as
>> >> I had asked for).
>> >
>> > Sorry I'm using squeeze in production servers and I don't have a test
>> > machine on which install wheezy.
>>
>> And can't/don't want to install a self-built kernel?
>
> You could also boot one of those Live Image kernels. Like an Fedora or
> Ubuntu and just capture this. That way you don't over-write anything.

Ok, I'll try the live image.
Today I had another clock jump so cpuidle=0 doesn't work.
I'll stay using clocksource= pit and cpuidle =0 for a while to see if
they together work.
But...how to know what C states the kernel uses?

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