int idle_inject_start()

in idle_inject.c [196:215]

• 15 lines of code
• 3 McCabe index (conditional complexity)

int idle_inject_start(struct idle_inject_device *ii_dev)
{
	unsigned int idle_duration_us = READ_ONCE(ii_dev->idle_duration_us);
	unsigned int run_duration_us = READ_ONCE(ii_dev->run_duration_us);

	if (!idle_duration_us || !run_duration_us)
		return -EINVAL;

	pr_debug("Starting injecting idle cycles on CPUs '%*pbl'\n",
		 cpumask_pr_args(to_cpumask(ii_dev->cpumask)));

	idle_inject_wakeup(ii_dev);

	hrtimer_start(&ii_dev->timer,
		      ns_to_ktime((idle_duration_us + run_duration_us) *
				  NSEC_PER_USEC),
		      HRTIMER_MODE_REL);

	return 0;
}