diff options
| -rw-r--r-- | kernel/torture.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/kernel/torture.c b/kernel/torture.c index 1061492f14bd..be09377af6bc 100644 --- a/kernel/torture.c +++ b/kernel/torture.c @@ -602,8 +602,11 @@ static int stutter_gap; */ bool stutter_wait(const char *title) { - int spt; + ktime_t delay; + unsigned int i = 0; + int oldnice; bool ret = false; + int spt; cond_resched_tasks_rcu_qs(); spt = READ_ONCE(stutter_pause_test); @@ -612,8 +615,17 @@ bool stutter_wait(const char *title) if (spt == 1) { schedule_timeout_interruptible(1); } else if (spt == 2) { - while (READ_ONCE(stutter_pause_test)) + oldnice = task_nice(current); + set_user_nice(current, MAX_NICE); + while (READ_ONCE(stutter_pause_test)) { + if (!(i++ & 0xffff)) { + set_current_state(TASK_INTERRUPTIBLE); + delay = 10 * NSEC_PER_USEC; + schedule_hrtimeout(&delay, HRTIMER_MODE_REL); + } cond_resched(); + } + set_user_nice(current, oldnice); } else { schedule_timeout_interruptible(round_jiffies_relative(HZ)); } |