diff options
Diffstat (limited to 'include/kunit')
| -rw-r--r-- | include/kunit/run-in-irq-context.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/include/kunit/run-in-irq-context.h b/include/kunit/run-in-irq-context.h index bfe60d6cf28d..3802b6fb218e 100644 --- a/include/kunit/run-in-irq-context.h +++ b/include/kunit/run-in-irq-context.h @@ -38,11 +38,13 @@ static enum hrtimer_restart kunit_irq_test_timer_func(struct hrtimer *timer) softirq_calls = atomic_read(&state->softirq_func_calls); /* - * If the timer is firing too often for the softirq or task to ever have - * a chance to run, increase the timer interval. This is needed on very - * slow systems. + * If the hrtimer is running much faster than the bh_work or the task, + * then it is firing too fast and might be starving those contexts as + * well as the actual system timer tick. Increase the interval. */ - if (hardirq_calls >= 20 && (softirq_calls == 0 || task_calls == 0)) + if (hardirq_calls >= 20 && + (hardirq_calls / 2 > softirq_calls || + hardirq_calls / 2 > task_calls)) state->interval = ktime_add_ns(state->interval, 250); if (!state->func(state->test_specific_state)) |