diff options
| -rw-r--r-- | kernel/sched.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 6150cd70f44..2d23450e761 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -68,13 +68,6 @@ unsigned long long __attribute__((weak)) sched_clock(void) } /* - * CPU frequency is/was unstable - start new by setting prev_clock_raw: - */ -void sched_clock_unstable_event(void) -{ -} - -/* * Convert user-nice values [ -20 ... 0 ... 19 ] * to static priority [ MAX_RT_PRIO..MAX_PRIO-1 ], * and back. @@ -630,6 +623,20 @@ static inline struct rq *this_rq_lock(void) } /* + * CPU frequency is/was unstable - start new by setting prev_clock_raw: + */ +void sched_clock_unstable_event(void) +{ + unsigned long flags; + struct rq *rq; + + rq = task_rq_lock(current, &flags); + rq->prev_clock_raw = sched_clock(); + rq->clock_unstable_events++; + task_rq_unlock(rq, &flags); +} + +/* * resched_task - mark a task 'to be rescheduled now'. * * On UP this means the setting of the need_resched flag, on SMP it |