On Tue, 2011-06-21 at 00:16 -0700, Paul Turner wrote:> + now = sched_clock_cpu(smp_processor_id());> + cfs_b->runtime_expires = now + ktime_to_ns(cfs_b->period);> + if ((s64)(rq->clock - cfs_rq->runtime_expires) < 0)Is there a good reason to mix these two (related) time sources?