On 18 December 2013 19:21, Kevin Hilman <[email protected]> wrote: > Ah, I see. So you're basically asking why we can't evaluate whether to > turn off the tick more often, for example right after the workqueues are > done. I suppose Frederic may have some views on that, but there's > likely additional overhead from those checks as well as that workqueues > may not be the only thing keeping us out of NO_HZ.
I see that sched_switch is called at the end most of the times so an check there might be useful ? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
