On Wed, Jul 30, 2014 at 11:21:28AM +0100, Peter Zijlstra wrote: > On Wed, Jul 30, 2014 at 11:13:31AM +0100, Morten Rasmussen wrote: > > It is a very real problem when user-space uses priorities extensively > > like Android does. Tasks related to audio run at very high priorities > > but only for a very short amount of time, but due the to priority > > scaling their load ends up being several times higher than tasks running > > all the time at normal priority. Hence task load is a very poor > > indicator of utilization. > > FWIW Android (which I think does this through binder) is utterly insane > in this regard. But yes, we have to live with it.
I agree that its use of priorities seems a bit extreme. I'm not trying to defend it in any way :-) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/