Re: [Xen-devel] Xen optimization

[Julien Grall <julien.grall@xxxxxxx>]

Hi Milan,

On 10/25/18 11:09 AM, Milan Boberic wrote:
> Hi,
> > On Wed, Oct 24, 2018 at 2:24 AM Stefano Stabellini 
> > <stefano.stabellini@xxxxxxxxxx> wrote:
> > It is good that there are no physical interrupts interrupting the cpu.
> > serrors=panic makes the context switch faster. I guess there are not
> > enough context switches to make a measurable difference.
> Yes, when I did:
> grep ctxt /proc/2153/status
> I got:
> voluntary_ctxt_switches:        5
> nonvoluntary_ctxt_switches:     3
>
> > I don't have any other things to suggest right now. You should be able
> > to measure an overall 2.5us IRQ latency (if the interrupt rate is not
> > too high).
> This bare-metal application is the most suspicious, indeed. Still
> waiting answer on Xilinx forum.
Sorry if it was already asked. Can you provide your .config for your 
test? Do you have DEBUG enabled?
Cheers,

--
Julien Grall

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