[RFC/RFT] calloutng

Luigi Rizzo rizzo at iet.unipi.it
Tue Jan 8 11:16:57 UTC 2013


On Tue, Jan 08, 2013 at 12:55:27PM +0200, Alexander Motin wrote:
> On 06.01.2013 18:20, Luigi Rizzo wrote:
...
> > I think that for the time being it would be useful to run at least
> > one set of tests with kern.timecounter.alloweddeviation=0 so we can
> > tell how close we get to the required timeouts
> 
> May be just to be sure, because it should not significantly affect
> results of the 1us tests, as 5% of 1us is much less then numbers we see
> there.

to clarify - i don't mind if we are 50-100us (absolute error) off the
requested timeout for short intervals, but i want to be sure
that this error can be achieved also for large requests.

cheers
luigi


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