Re: [Xen-devel] [PATCH 1/4] xen/arm: gic: Ensure we have an ISB between ack and do_IRQ()

[Julien Grall <julien.grall@xxxxxxx>]

Hi Andrii,

On 12/3/18 2:36 PM, Andrii Anisov wrote:
> On 03.12.18 15:53, Juergen Gross wrote:
> > On 03/12/2018 14:46, Andre Przywara wrote:
> > > I think PERFCOUNTER is your friend.
> > CONFIG_LOCK_PROFILE and xen-lockprof on tools side?
> >
> > Not sure it is still working, though. Its about 9 years since I wrote
> > and used it.
> It does work. I've used it recently for this theme.
> But it gave me unclear results, I did not match them with what I got 
> from xentrace and rough lauterbach traces.
Can you expand it? What are the differences between the 3?

Cheers,

--
Julien Grall

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