diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/time/tick-sched.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index 6368929f9..dd34b75f0 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -436,7 +436,7 @@ update_ts_time_stats(int cpu, struct tick_sched *ts, ktime_t now, u64 *last_upda { ktime_t delta; - if (ts->idle_active) { + if (ts->idle_active && cpu_online(cpu)) { delta = ktime_sub(now, ts->idle_entrytime); if (nr_iowait_cpu(cpu) > 0) ts->iowait_sleeptime = ktime_add(ts->iowait_sleeptime, delta); @@ -504,7 +504,7 @@ u64 get_cpu_idle_time_us(int cpu, u64 *last_update_time) update_ts_time_stats(cpu, ts, now, last_update_time); idle = ts->idle_sleeptime; } else { - if (ts->idle_active && !nr_iowait_cpu(cpu)) { + if (ts->idle_active && !nr_iowait_cpu(cpu) && cpu_online(cpu)) { ktime_t delta = ktime_sub(now, ts->idle_entrytime); idle = ktime_add(ts->idle_sleeptime, delta); @@ -545,7 +545,7 @@ u64 get_cpu_iowait_time_us(int cpu, u64 *last_update_time) update_ts_time_stats(cpu, ts, now, last_update_time); iowait = ts->iowait_sleeptime; } else { - if (ts->idle_active && nr_iowait_cpu(cpu) > 0) { + if (ts->idle_active && nr_iowait_cpu(cpu) > 0 && cpu_online(cpu)) { ktime_t delta = ktime_sub(now, ts->idle_entrytime); iowait = ktime_add(ts->iowait_sleeptime, delta); |