Quoting Michał Winiarski (2017-10-26 11:52:31) > On Thu, Oct 26, 2017 at 08:31:27AM +0100, Chris Wilson wrote: > > For measuring the cost of preemption, inject a low priority spinner > > between the two measurements; the difference between the preemption and > > the normal dispatch includes both the cost of the spinner dispatch and > > of preempting it. Close enough for us to estimate the cost of > > preemption, though we don't measure the cost of preemption on the local > > ring! > > And as expected, we're seeing more delay with GuC, probably from worker > scheduling delay (~2ms on my SKL if I'm reading the results correctly). > > Reviewed-by: Michał Winiarski <michal.winiarski@xxxxxxxxx> And I forgot to copy'n'paste the r-b before pushing. The inquisition will be calling shortly. I was going to say, no reason to hold back on pushing this, as this is a benchmark for our informational purposes only. One day, it shall be moved to benchmarks/ -Chris _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
