forked from luck/tmp_suning_uos_patched
sched: rt: account the cpu time during the tick
Realtime tasks would not account their runtime during ticks. Which would lead to: struct sched_param param = { .sched_priority = 10 }; pthread_setschedparam(pthread_self(), SCHED_FIFO, ¶m); while (1) ; Not showing up in top. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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@ -208,6 +208,8 @@ move_one_task_rt(struct rq *this_rq, int this_cpu, struct rq *busiest,
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static void task_tick_rt(struct rq *rq, struct task_struct *p)
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{
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update_curr_rt(rq);
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/*
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* RR tasks need a special form of timeslice management.
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* FIFO tasks have no timeslices.
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