C++ (Cpp) get_rq_info Examples

Example #1

File: cpu-tegra3.c Project: McSun/HTC-One-X-3.1

static int mp_decision(void)
{
	static bool first_call = true;
	int new_state = TEGRA_HP_IDLE;
	int nr_cpu_online;
	int index;
	unsigned int rq_depth;
	static cputime64_t total_time = 0;
	static cputime64_t last_time;
	cputime64_t current_time;
	cputime64_t this_time = 0;

	current_time = ktime_to_ms(ktime_get());
	if (first_call) {
		first_call = false;
	} else {
		this_time = current_time - last_time;
	}
	total_time += this_time;

	rq_depth = get_rq_info();
	nr_cpu_online = num_online_cpus();

	mutex_lock(&tegra3_mp_lock);
	if (nr_cpu_online) {
		index = (nr_cpu_online - 1) * 2;
		if ((nr_cpu_online < 4) && (rq_depth >= NwNs_Threshold[index])) {
			if (total_time >= TwTs_Threshold[index]) {
				new_state = TEGRA_HP_UP;
			}
		} else if (rq_depth <= NwNs_Threshold[index+1]) {
			if (total_time >= TwTs_Threshold[index+1] ) {
				new_state = TEGRA_HP_DOWN;
			}
		} else {
			total_time = 0;
		}
	} else {
		total_time = 0;
	}
	mutex_unlock(&tegra3_mp_lock);

	if (new_state != TEGRA_HP_IDLE) {
		total_time = 0;
	}

	last_time = ktime_to_ms(ktime_get());

	return new_state;
}

Example #2

File: rq_stats.c Project: niker/EliteKernel-Blade-Rebase

static void update_rq_stats_state(void)
{
	static bool first_call = true;
	unsigned int rq_depth;
	unsigned int nr_cpu_online;
	unsigned int max_cpus = tegra_cpq_max_cpus();
	unsigned int min_cpus = tegra_cpq_min_cpus();
	static cputime64_t total_time = 0;
	static cputime64_t last_time;
	cputime64_t current_time;
	cputime64_t this_time = 0;
	int index;
		
	if (rq_stats_state == DISABLED)
		return;

	current_time = ktime_to_ms(ktime_get());
	if (current_time <= start_delay){
		rq_stats_state = IDLE;
		return;
	}

	if (first_call) {
		first_call = false;
	} else {
		this_time = current_time - last_time;
	}
	total_time += this_time;
	rq_depth = get_rq_info();
	nr_cpu_online = num_online_cpus();
	rq_stats_state = IDLE;

	if (nr_cpu_online) {
		index = (nr_cpu_online - 1) * 2;
		if ((nr_cpu_online < CONFIG_NR_CPUS) && (rq_depth >= NwNs_Threshold[index])) {
			if (total_time >= TwTs_Threshold[index]) {
            	if (nr_cpu_online < max_cpus){
#if DEBUG
            		pr_info(RQ_STATS_TAG "UP rq_depth=%d total_time=%lld NwNs_Threshold[index]=%d TwTs_Threshold[index]=%d nr_cpu_online=%d min_cpus=%d max_cpus=%d\n", rq_depth, total_time, NwNs_Threshold[index], TwTs_Threshold[index], nr_cpu_online, min_cpus, max_cpus);
#endif
                	rq_stats_state = UP;
                }

			}
		} else if (rq_depth <= NwNs_Threshold[index+1]) {
			if (total_time >= TwTs_Threshold[index+1] ) {
            	if ((nr_cpu_online > 1) && (nr_cpu_online > min_cpus)){
#if DEBUG
            		pr_info(RQ_STATS_TAG "DOWN rq_depth=%d total_time=%lld NwNs_Threshold[index+1]=%d TwTs_Threshold[index+1]=%d nr_cpu_online=%d min_cpus=%d max_cpus=%d\n", rq_depth, total_time, NwNs_Threshold[index+1], TwTs_Threshold[index+1], nr_cpu_online, min_cpus, max_cpus);
#endif
                   	rq_stats_state = DOWN;
                }
			}
		} else {
			rq_stats_state = IDLE;
			total_time = 0;
		}
	} else {
		total_time = 0;
	}

	if (rq_stats_state != IDLE) {
		total_time = 0;
	}

	last_time = ktime_to_ms(ktime_get());
}