Re: [Xen-devel] performance counters

[Keir Fraser <keir@xxxxxxxxxxxxx>]

On 16/3/07 08:17, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote:

>> It has the added benefit of avoiding cacheline bouncing.
>> 
>> It just needs someone to implement this improvement. ;-)
> 
> I'll take care of this, but it may take me a few days to get to it. But I
> also think there's no need for rush here.

Indeed. The counters aren't even compiled by default. It may be, however,
that per-cpu non-atomic counters are cheap enough to enable all the time.
We'll have to see.

 -- Keir


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