Hi, On Mon, 16 Jul 2007, Ingo Molnar 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 (which I still think is a little too much). bye, Roman - 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/