Periodical interrupt storm when playing game with USB keyboard

[Adrian Chadd]

Hi

Yeah the timers eventually get coalesced unless someone's asking for a
ridciulously accurate timer value.

So is some driver asking for hyper-accurate callout timer that isn't
being coalesced? hps, is there any useful debugging to try and find
callouts that are requesting stupidly accurate timers? Maybe a dtrace
probe on the callout schedule entry point?



-adrian