On Thu, 2013-01-24 at 11:06 +0800, Alex Shi wrote: > > The cpu's utilization is to measure how busy is the cpu. > util = cpu_rq(cpu)->avg.runnable_avg_sum > / cpu_rq(cpu)->avg.runnable_avg_period; > > Since the util is no more than 1, we use its percentage value in later > caculations. And set the the FULL_UTIL as 100%. > > In later power aware scheduling, we are sensitive for how busy of the > cpu, not how much weight of its load. As to power consuming, it is more > related with cpu busy time, not the load weight.
I think we can make that argument in general; that is irrespective of the actual policy. We simply never had anything better to go with. So please clarify why you think this only applies to power aware scheduling. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
