C++ (Cpp) cpufreq_interactivex_calc_freq示例

示例#1

文件： cpufreq_interactivex.c 项目： bedwa/Infusion-GB

/* We use the same work function to sale up and down */
static void cpufreq_interactivex_freq_change_time_work(struct work_struct *work)
{
	unsigned int cpu;
	unsigned int newtarget;
	cpumask_t tmp_mask = work_cpumask;
	newtarget = FREQ_THRESHOLD;

	for_each_cpu(cpu, tmp_mask) {
	  if (!suspended) {
		if (target_freq == policy->max) {
			if (nr_running() == 1) {
				cpumask_clear_cpu(cpu, &work_cpumask);
				return;
			}
//			__cpufreq_driver_target(policy, target_freq, CPUFREQ_RELATION_H);
			__cpufreq_driver_target(policy, newtarget, CPUFREQ_RELATION_H);
		} else {
			target_freq = cpufreq_interactivex_calc_freq(cpu);
			__cpufreq_driver_target(policy, target_freq,
							CPUFREQ_RELATION_L);
		}
	  }
	  freq_change_time_in_idle = get_cpu_idle_time_us(cpu, &freq_change_time);
	  cpumask_clear_cpu(cpu, &work_cpumask);
	}


}

示例#2

文件： cpufreq_interactivex.c 项目： daspallab/rockchip-kernel-rk2918

/* We use the same work function to sale up and down */
static void cpufreq_interactivex_freq_change_time_work(struct work_struct *work)
{
unsigned int cpu;
cpumask_t tmp_mask = work_cpumask;

for_each_cpu(cpu, tmp_mask) {
if (!suspended && (target_freq >= freq_threshold || target_freq == policy->max) ) {
if (policy->cur < 400000) {
// avoid quick jump from lowest to highest
target_freq = resume_speed;
}
if (nr_running() == 1) {
cpumask_clear_cpu(cpu, &work_cpumask);
return;
}
__cpufreq_driver_target(policy, target_freq, CPUFREQ_RELATION_H);
} else {
if (!suspended) {
target_freq = cpufreq_interactivex_calc_freq(cpu);
__cpufreq_driver_target(policy, target_freq, CPUFREQ_RELATION_L);
} else { // special care when suspended
if (target_freq > suspendfreq) {
__cpufreq_driver_target(policy, suspendfreq, CPUFREQ_RELATION_H);
} else {
target_freq = cpufreq_interactivex_calc_freq(cpu);
if (target_freq < policy->cur)
__cpufreq_driver_target(policy, target_freq, CPUFREQ_RELATION_H);
}
}
}
freq_change_time_in_idle = get_cpu_idle_time_us(cpu, &freq_change_time);
cpumask_clear_cpu(cpu, &work_cpumask);
}


}