[Intel-gfx] [Intel-gfx 1/1] drm/i915/guc: Don't update engine busyness stats too frequently

[Teres Alexis, Alan Previn]

> > > Not updating the driver state in park will not negatively impact 
> > > accuracy in some scenarios? That needs to balanced against the 
> > > questions whether or not there are real world scenarios impacted by 
> > > the update cost or it is just for IGT.
> > 
If i understand it correctly (how its calculated), no. not capturing on every park/unpark
does not mean less accuracy. Umesh mentioned to verify that with igt at perf-pmu@accuracy
tests