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On Wed, 2004-12-15 at 09:40 +1100, Con Kolivas wrote: > Lee Revell writes: > > > On Mon, 2004-12-13 at 10:36 +1100, Con Kolivas wrote: > >> The performance benefit, if any, is often lost in noise during > >> benchmarks and when there, is less than 1%. > > > > I have measured 2.1-2.3% residency for the timer ISR on my 600Mhz VIA > > C3. And this is a desktop - you have many many embedded systems that > > are slower. For these systems the difference is very real. > > Could you explain residency and it's relevance to throughput please? I've > not heard this term before. > It means 2.1-2.3% of wallclock time is spent running the timer interrupt handler. IOW, it runs for 21-23 usecs, 1000x per second. Lee - 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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