* Roman Zippel <[email protected]> wrote: > > yes, the weight multiplier 1.25, but the actual difference in CPU > > utilization, when running two CPU intense tasks, is ~10%: > > > > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND > > 8246 mingo 20 0 1576 244 196 R 55 0.0 0:11.96 loop > > 8247 mingo 21 1 1576 244 196 R 45 0.0 0:10.52 loop > > > > so the first task 'wins' +10% CPU utilization (relative to the 50% > > it had before), the second task 'loses' -10% CPU utilization > > (relative to the 50% it had before). > > As soon as you add another loop the difference changes again, while > it's always correct to say it gets 25% more cpu time [...] yep, and i'll add the relative effect to the comment too. Ingo - 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/
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