[Xen-devel] RE: xentrace and MSR_READ/MSR_WRITE

["Jayaraman, Bhaskar" <Bhaskar.Jayaraman@xxxxxxx>]

Reducing --poll-sleep intervals should help but I'm not sure whether it'll 
solve your problem.

Bhaskar.

-----Original Message-----
From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx 
[mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of James Harper
Sent: Wednesday, January 07, 2009 1:13 PM
To: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-devel] xentrace and MSR_READ/MSR_WRITE

I am trying to learn some more about the way windows does TPR writes,
and tried xentrace for the first time.

I did 'xentrace --time-interval=5 xentrace.out' to capture some data,
and then ran it through 'xentrace_format' using the supplied example
defs file. I can see some PF_XEN entries with virt=0xFFFE0080 (address
of TPR), but I want to know the value being written, which I don't think
is there.

I'm also only seeing a handful of those records - I have 4 Windows
domains running on this test machine so there should be plenty of
'action' in those 5 seconds.

Can anyone suggest anything?

Thanks

James

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