diff options
Diffstat (limited to 'drivers/gator/gator_hrtimer_gator.c')
| -rw-r--r-- | drivers/gator/gator_hrtimer_gator.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/gator/gator_hrtimer_gator.c b/drivers/gator/gator_hrtimer_gator.c index 8c35d496dbb0..b0c947afe1e1 100644 --- a/drivers/gator/gator_hrtimer_gator.c +++ b/drivers/gator/gator_hrtimer_gator.c @@ -13,6 +13,7 @@ void (*callback)(void); DEFINE_PER_CPU(struct hrtimer, percpu_hrtimer); +DEFINE_PER_CPU(ktime_t, hrtimer_expire); DEFINE_PER_CPU(int, hrtimer_is_active); static ktime_t profiling_interval; static void gator_hrtimer_online(void); @@ -20,7 +21,9 @@ static void gator_hrtimer_offline(void); static enum hrtimer_restart gator_hrtimer_notify(struct hrtimer *hrtimer) { - hrtimer_forward_now(hrtimer, profiling_interval); + int cpu = get_logical_cpu(); + hrtimer_forward(hrtimer, per_cpu(hrtimer_expire, cpu), profiling_interval); + per_cpu(hrtimer_expire, cpu) = ktime_add(per_cpu(hrtimer_expire, cpu), profiling_interval); (*callback)(); return HRTIMER_RESTART; } @@ -34,12 +37,13 @@ static void gator_hrtimer_online(void) return; per_cpu(hrtimer_is_active, cpu) = 1; - hrtimer_init(hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); + hrtimer_init(hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS); hrtimer->function = gator_hrtimer_notify; #ifdef CONFIG_PREEMPT_RT_BASE hrtimer->irqsafe = 1; #endif - hrtimer_start(hrtimer, profiling_interval, HRTIMER_MODE_REL_PINNED); + per_cpu(hrtimer_expire, cpu) = ktime_add(hrtimer->base->get_time(), profiling_interval); + hrtimer_start(hrtimer, per_cpu(hrtimer_expire, cpu), HRTIMER_MODE_ABS_PINNED); } static void gator_hrtimer_offline(void) |