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

[Andrii Anisov <andrii.anisov@xxxxxxxxx>]

Hello Juergen,

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.
--
Sincerely,
Andrii Anisov.

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