Messages in this thread | | | Date | Tue, 13 Jul 2004 23:10:09 +1000 | From | Nick Piggin <> | Subject | Re: preempt-timing-2.6.8-rc1 |
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William Lee Irwin III wrote: > William Lee Irwin III wrote: > >>>AFAICT this is nothing more than rounding up. > > > On Tue, Jul 13, 2004 at 10:57:54PM +1000, Nick Piggin wrote: > >>But you want to round down by definition of preempt_thresh, don't you? >>preempt_thresh = 1ms = 1000000us >>ie. warn me if the lock hold goes _to or above_ 1000000us > > > The semantics I implemented are warning for strictly above the > preempt_thresh. Whether those semantics are ideal is irrelevant; it's > faithful to those semantics.
You are right - I misread it, sorry.
> Given that people are asking for sub- > millisecond latencies, maybe I should increase the precision. >
Would soon be useful I think. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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