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

["James Harper" <james.harper@xxxxxxxxxxxxxxxx>]

> On Wed, Jan 7, 2009 at 1:42 AM, James Harper
> <james.harper@xxxxxxxxxxxxxxxx> wrote:
> > 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.
> 
> Are you running -unstable, or 3.3?
> 
> Between 3.2 and 3.3, the mmio value got un-traced (with the re-working
> of the emulation infrastructure), and I didn't catch it in time.  It
> should work in -unstable from cs 18749.

I am using 3.3-testing.

Thanks for the offer of sending you the trace, but I'm a lot more
comfortable parsing it since sending the original email.

I think I'll actually add a custom trace record for lapic stuff so that
I can get exactly what I want. I can post the patch to the list if you
think it might be useful, but I'm guessing it will only be filling a
pretty specific niche...

James

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