sched: turn on the use of unstable events
make use of sched-clock-unstable events. Signed-off-by: Ingo Molnar <mingo@elte.hu>
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@ -67,13 +67,6 @@ unsigned long long __attribute__((weak)) sched_clock(void)
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return (unsigned long long)jiffies * (1000000000 / HZ);
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}
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/*
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* CPU frequency is/was unstable - start new by setting prev_clock_raw:
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*/
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void sched_clock_unstable_event(void)
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{
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}
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/*
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* Convert user-nice values [ -20 ... 0 ... 19 ]
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* to static priority [ MAX_RT_PRIO..MAX_PRIO-1 ],
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@ -629,6 +622,20 @@ static inline struct rq *this_rq_lock(void)
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return rq;
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}
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/*
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* CPU frequency is/was unstable - start new by setting prev_clock_raw:
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*/
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void sched_clock_unstable_event(void)
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{
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unsigned long flags;
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struct rq *rq;
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rq = task_rq_lock(current, &flags);
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rq->prev_clock_raw = sched_clock();
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rq->clock_unstable_events++;
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task_rq_unlock(rq, &flags);
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}
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/*
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* resched_task - mark a task 'to be rescheduled now'.
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*
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