Re: sched/rt: Pick up the throttled rt tasks in case no other non-rt tasks

2013-10-15 Thread Mike Galbraith
On Wed, 2013-10-16 at 23:43 +0800, Chuansheng Liu wrote: > Meet the case that on CPU2, there are just two tasks to be run, > one is one rt task A, another is idle task, but at this time, > and the rt_rq is throttled. > > CPU1 CPU2 >staying

sched/rt: Pick up the throttled rt tasks in case no other non-rt tasks

2013-10-15 Thread Chuansheng Liu
Meet the case that on CPU2, there are just two tasks to be run, one is one rt task A, another is idle task, but at this time, and the rt_rq is throttled. CPU1 CPU2 staying in idle task; waking up rt task A on target CPU 2;