diff options
Diffstat (limited to 'kernel/sched_clock.c')
| -rw-r--r-- | kernel/sched_clock.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/kernel/sched_clock.c b/kernel/sched_clock.c index ce05271219a..e383bc7df6d 100644 --- a/kernel/sched_clock.c +++ b/kernel/sched_clock.c @@ -40,7 +40,7 @@ struct sched_clock_data { */ raw_spinlock_t lock; - unsigned long prev_jiffies; + unsigned long tick_jiffies; u64 prev_raw; u64 tick_raw; u64 tick_gtod; @@ -71,7 +71,7 @@ void sched_clock_init(void) struct sched_clock_data *scd = cpu_sdc(cpu); scd->lock = (raw_spinlock_t)__RAW_SPIN_LOCK_UNLOCKED; - scd->prev_jiffies = now_jiffies; + scd->tick_jiffies = now_jiffies; scd->prev_raw = 0; scd->tick_raw = 0; scd->tick_gtod = ktime_now; @@ -90,7 +90,7 @@ void sched_clock_init(void) static void __update_sched_clock(struct sched_clock_data *scd, u64 now) { unsigned long now_jiffies = jiffies; - long delta_jiffies = now_jiffies - scd->prev_jiffies; + long delta_jiffies = now_jiffies - scd->tick_jiffies; u64 clock = scd->clock; u64 min_clock, max_clock; s64 delta = now - scd->prev_raw; @@ -119,7 +119,6 @@ static void __update_sched_clock(struct sched_clock_data *scd, u64 now) clock = min_clock; scd->prev_raw = now; - scd->prev_jiffies = now_jiffies; scd->clock = clock; } @@ -179,6 +178,7 @@ u64 sched_clock_cpu(int cpu) void sched_clock_tick(void) { struct sched_clock_data *scd = this_scd(); + unsigned long now_jiffies = jiffies; u64 now, now_gtod; if (unlikely(!sched_clock_running)) @@ -196,6 +196,7 @@ void sched_clock_tick(void) * already observe 1 new jiffy; adding a new tick_gtod to that would * increase the clock 2 jiffies. */ + scd->tick_jiffies = now_jiffies; scd->tick_raw = now; scd->tick_gtod = now_gtod; __raw_spin_unlock(&scd->lock); |