static ssize_t show_bL_all_time_in_state(struct kobject *kobj,
		struct kobj_attribute *attr, char *buf)
{
	ssize_t len = 0;
	unsigned int cpu = 0;
	int i;
	struct cpufreq_stats *stat;

	stat = per_cpu(cpufreq_stats_table, cpu);
	if (!stat)
		return 0;

	cpufreq_stats_update(stat->cpu);
	for (i = 0; i < stat->state_num; i++) {
		len += sprintf(buf + len, "%u %llu\n", stat->freq_table[i],
			(unsigned long long)
			cputime64_to_clock_t(stat->time_in_state[i]));
	}

	if (!bL_freq_table) {
		pr_info("%s: bL_freq_table is null!\n", __func__);
		return len;
	}
	for (i = 0; i < bL_freq_table->table_size; i++) {
		len += sprintf(buf + len, "%u %llu\n", bL_freq_table->freq_table[i],
			(unsigned long long) cputime64_to_clock_t(bL_freq_table->time_in_state[i]));
	}

	return len;
}
Пример #2
0
static ssize_t show_overall_time_in_state(struct kobject *kobj,
						struct attribute *attr, char *buf)
{
	ssize_t len = 0;
	int i;
	unsigned long long cputime = 0;
	struct cpufreq_stats *stat = per_cpu(cpufreq_stats_table, 1);
	if (stat)
		cpufreq_stats_update(1);
	else
		stat = per_cpu(cpufreq_stats_table, 0);
	if (!stat)
		return 0;

	for (i = 0; i < stat->state_num; i++) {
		cputime = cputime64_to_clock_t(cpu0_time_in_state[i]);
		len += sprintf(buf + len, "%u %llu\n", stat->freq_table[i], cputime);
	}
	for (i = 0; i < stat->state_num; i++) {
		cputime = cputime64_to_clock_t(cpu1_time_in_state[i]);
		len += sprintf(buf + len, "%u %llu\n", stat->freq_table[i], cputime);
	}
#ifdef CONFIG_QUAD_CORES_SOC_STAT
	for (i = 0; i < stat->state_num; i++) {
		cputime = cputime64_to_clock_t(cpu2_time_in_state[i]);
		len += sprintf(buf + len, "%u %llu\n", stat->freq_table[i], cputime);
	}
	for (i = 0; i < stat->state_num; i++) {
		cputime = cputime64_to_clock_t(cpu3_time_in_state[i]);
		len += sprintf(buf + len, "%u %llu\n", stat->freq_table[i], cputime);
	}
#endif
	return len;
}
Пример #3
0
static void measure_cpu(void)
{
	int i;

	PDEBUG("cpu_probe: start.\n");

	for(i=0; i<num_online_cpus(); i++) {
		cpu_used[i] =
			cputime64_to_clock_t(kstat_cpu(i).cpustat.user) +
			cputime64_to_clock_t(kstat_cpu(i).cpustat.nice) +
			cputime64_to_clock_t(kstat_cpu(i).cpustat.system) +
			cputime64_to_clock_t(kstat_cpu(i).cpustat.iowait) +
			cputime64_to_clock_t(kstat_cpu(i).cpustat.irq) +
			cputime64_to_clock_t(kstat_cpu(i).cpustat.softirq) +
			cputime64_to_clock_t(kstat_cpu(i).cpustat.steal);
		cpu_total[i] = cpu_used[i] +
			cputime64_to_clock_t(kstat_cpu(i).cpustat.idle);

		//spin_lock( &(probe_data[i].lock) );
		probe_data[i].cpu_used = cpu_used[i] - cpu_used_prev[i];
		probe_data[i].cpu_total = cpu_total[i] - cpu_total_prev[i];
		//spin_unlock( &(probe_data[i].lock) );

		PDEBUG("measurements for CPU%d: used=%llu total=%llu\n",
			i, (unsigned long long)cpu_used[i],
			(unsigned long long)cpu_total[i]);

		cpu_used_prev[i] = cpu_used[i];
		cpu_total_prev[i] = cpu_total[i];
	}

	PDEBUG("cpu_probe: done\n.");
}
static void mod_sysstat_timer_handler(unsigned long data){
	int num_cpu;
	int i;
	struct sysinfo info;
	long cached, shmem;
	struct timespec tv;
	struct sysinfo_snapshot *new_ent;
	
	/* get info */
	si_meminfo(&info);
	((void (*)(struct sysinfo *))ADDR_SI_SWAPINFO)(&info);

	cached   = global_page_state(NR_FILE_PAGES) - ((unsigned long (*)())ADDR_TOTAL_SWAPCACHE_PAGES)() - info.bufferram;
	if(cached < 0)
		cached = 0;

	/* shared memory */
	shmem = global_page_state(NR_SHMEM);

	getnstimeofday(&tv);

	/* count cpu */
	num_cpu = 0;
	for_each_online_cpu(i)
		num_cpu++;

	new_ent = new_snapshot(num_cpu);
	if(new_ent == NULL){
		print_msg("Ooops! kmalloc() fail");
		mod_timer(&timer_mod_sysstat, get_jiffies_64() + (period_in_msecs*HZ)/1000);
		return;
	}
	
	new_ent->epoch_time = tv.tv_sec;
	new_ent->total_ram  = info.totalram;
	new_ent->free_ram   = info.freeram;
	new_ent->cached_ram = cached;
	new_ent->buffer_ram = info.bufferram;
	new_ent->total_swap = info.totalswap;
	new_ent->free_swap  = info.freeswap;
	new_ent->shared_ram = shmem;

	for(i = 0; i < num_cpu; i++){
		new_ent->cpuinfo_list[i].user = cputime64_to_clock_t(kcpustat_cpu(i).cpustat[CPUTIME_USER]);
		new_ent->cpuinfo_list[i].nice = cputime64_to_clock_t(kcpustat_cpu(i).cpustat[CPUTIME_NICE]);
		new_ent->cpuinfo_list[i].system = cputime64_to_clock_t(kcpustat_cpu(i).cpustat[CPUTIME_SYSTEM]);
		new_ent->cpuinfo_list[i].idle = cputime64_to_clock_t(((cputime64_t (*)())ADDR_GET_IDLE_TIME)(i));
		new_ent->cpuinfo_list[i].iowait = cputime64_to_clock_t(((cputime64_t (*)())ADDR_IOWAIT_TIME)(i));
		new_ent->cpuinfo_list[i].irq = cputime64_to_clock_t(kcpustat_cpu(i).cpustat[CPUTIME_IRQ]);
		new_ent->cpuinfo_list[i].softirq = cputime64_to_clock_t(kcpustat_cpu(i).cpustat[CPUTIME_SOFTIRQ]);
	}

	new_ent->next       = NULL;
	insert_sysinfo_snapshot(new_ent);
	mod_timer(&timer_mod_sysstat, get_jiffies_64() + (period_in_msecs*HZ)/1000);
}
static int hp_stats_show(struct seq_file *s, void *data)
{
    int i;
    u64 cur_jiffies = get_jiffies_64();

    mutex_lock(tegra3_cpu_lock);
    if (hp_state != TEGRA_HP_DISABLED) {
        for (i = 0; i <= CONFIG_NR_CPUS; i++) {
            bool was_up = (hp_stats[i].up_down_count & 0x1);
            hp_stats_update(i, was_up);
        }
    }
    mutex_unlock(tegra3_cpu_lock);

    seq_printf(s, "%-15s ", "cpu:");
    for (i = 0; i < CONFIG_NR_CPUS; i++) {
        seq_printf(s, "G%-9d ", i);
    }
    seq_printf(s, "LP\n");

    seq_printf(s, "%-15s ", "transitions:");
    for (i = 0; i <= CONFIG_NR_CPUS; i++) {
        seq_printf(s, "%-10u ", hp_stats[i].up_down_count);
    }
    seq_printf(s, "\n");

    seq_printf(s, "%-15s ", "time plugged:");
    for (i = 0; i <= CONFIG_NR_CPUS; i++) {
        seq_printf(s, "%-10llu ",
                   cputime64_to_clock_t(hp_stats[i].time_up_total));
    }
    seq_printf(s, "\n");

    seq_printf(s, "%-15s %llu\n", "time-stamp:",
               cputime64_to_clock_t(cur_jiffies));

    return 0;
}
Пример #6
0
static ssize_t show_time_in_state(struct cpufreq_policy *policy, char *buf)
{
	ssize_t len = 0;
	int i;
	struct cpufreq_stats *stat = per_cpu(cpufreq_stats_table, policy->cpu);
	if (!stat)
		return 0;
	cpufreq_stats_update(stat->cpu);
	for (i = 0; i < stat->state_num; i++) {
		len += sprintf(buf + len, "%u %llu\n", stat->freq_table[i],
			(unsigned long long)
			cputime64_to_clock_t(stat->time_in_state[i]));
	}
	return len;
}
static ssize_t show_all_time_in_state(struct kobject *kobj,
		struct kobj_attribute *attr, char *buf)
{
	ssize_t len = 0;
	unsigned int i, cpu, freq, index;
	struct all_cpufreq_stats *all_stat;
	struct cpufreq_policy *policy;

	len += scnprintf(buf + len, PAGE_SIZE - len, "freq\t\t");
	for_each_possible_cpu(cpu) {
		len += scnprintf(buf + len, PAGE_SIZE - len, "cpu%d\t\t", cpu);
		if (cpu_online(cpu))
			cpufreq_stats_update(cpu);
	}

	if (!all_freq_table)
		goto out;
	for (i = 0; i < all_freq_table->table_size; i++) {
		freq = all_freq_table->freq_table[i];
		len += scnprintf(buf + len, PAGE_SIZE - len, "\n%u\t\t", freq);
		for_each_possible_cpu(cpu) {
			policy = cpufreq_cpu_get(cpu);
			if (policy == NULL)
				continue;
			all_stat = per_cpu(all_cpufreq_stats, policy->cpu);
			index = get_index_all_cpufreq_stat(all_stat, freq);
			if (index != -1) {
				len += scnprintf(buf + len, PAGE_SIZE - len,
					"%llu\t\t", (unsigned long long)
					cputime64_to_clock_t(all_stat->time_in_state[index]));
			} else {
				len += scnprintf(buf + len, PAGE_SIZE - len,
						"N/A\t\t");
			}
			cpufreq_cpu_put(policy);
		}
	}

out:
	len += scnprintf(buf + len, PAGE_SIZE - len, "\n");
	return len;
}
Пример #8
0
static int show_stat(struct seq_file *p, void *v)
{
	int i, j;
	unsigned long jif;
	u64 user, nice, system, idle, iowait, irq, softirq, steal;
	u64 guest, guest_nice;
	u64 sum = 0;
	u64 sum_softirq = 0;
	unsigned int per_softirq_sums[NR_SOFTIRQS] = {0};
	struct timespec boottime;

	user = nice = system = idle = iowait =
		irq = softirq = steal = 0;
	guest = guest_nice = 0;
	getboottime(&boottime);
	jif = boottime.tv_sec;

	for_each_possible_cpu(i) {
		user += kcpustat_cpu(i).cpustat[CPUTIME_USER];
		nice += kcpustat_cpu(i).cpustat[CPUTIME_NICE];
		system += kcpustat_cpu(i).cpustat[CPUTIME_SYSTEM];
		idle += get_idle_time(i);
		iowait += get_iowait_time(i);
		irq += kcpustat_cpu(i).cpustat[CPUTIME_IRQ];
		softirq += kcpustat_cpu(i).cpustat[CPUTIME_SOFTIRQ];
		steal += kcpustat_cpu(i).cpustat[CPUTIME_STEAL];
		guest += kcpustat_cpu(i).cpustat[CPUTIME_GUEST];
		guest_nice += kcpustat_cpu(i).cpustat[CPUTIME_GUEST_NICE];
		sum += kstat_cpu_irqs_sum(i);
		sum += arch_irq_stat_cpu(i);

		for (j = 0; j < NR_SOFTIRQS; j++) {
			unsigned int softirq_stat = kstat_softirqs_cpu(j, i);

			per_softirq_sums[j] += softirq_stat;
			sum_softirq += softirq_stat;
		}
	}
	sum += arch_irq_stat();

	seq_puts(p, "cpu ");
	seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(user));
	seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(nice));
	seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(system));
	seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(idle));
	seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(iowait));
	seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(irq));
	seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(softirq));
	seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(steal));
	seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(guest));
	seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(guest_nice));
	seq_putc(p, '\n');

	for_each_online_cpu(i) {
		/* Copy values here to work around gcc-2.95.3, gcc-2.96 */
		user = kcpustat_cpu(i).cpustat[CPUTIME_USER];
		nice = kcpustat_cpu(i).cpustat[CPUTIME_NICE];
		system = kcpustat_cpu(i).cpustat[CPUTIME_SYSTEM];
		idle = get_idle_time(i);
		iowait = get_iowait_time(i);
		irq = kcpustat_cpu(i).cpustat[CPUTIME_IRQ];
		softirq = kcpustat_cpu(i).cpustat[CPUTIME_SOFTIRQ];
		steal = kcpustat_cpu(i).cpustat[CPUTIME_STEAL];
		guest = kcpustat_cpu(i).cpustat[CPUTIME_GUEST];
		guest_nice = kcpustat_cpu(i).cpustat[CPUTIME_GUEST_NICE];
		seq_printf(p, "cpu%d", i);
		seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(user));
		seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(nice));
		seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(system));
		seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(idle));
		seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(iowait));
		seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(irq));
		seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(softirq));
		seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(steal));
		seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(guest));
		seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(guest_nice));
		seq_putc(p, '\n');
	}
	seq_printf(p, "intr %llu", (unsigned long long)sum);

	/* sum again ? it could be updated? */
	for_each_irq_nr(j)
		seq_put_decimal_ull(p, ' ', kstat_irqs(j));

	seq_printf(p,
		"\nctxt %llu\n"
		"btime %lu\n"
		"processes %lu\n"
		"procs_running %lu\n"
		"procs_blocked %lu\n",
		nr_context_switches(),
		(unsigned long)jif,
		total_forks,
		nr_running(),
		nr_iowait());

	seq_printf(p, "softirq %llu", (unsigned long long)sum_softirq);

	for (i = 0; i < NR_SOFTIRQS; i++)
		seq_put_decimal_ull(p, ' ', per_softirq_sums[i]);
	seq_putc(p, '\n');

	return 0;
}
Пример #9
0
static int show_stat(struct seq_file *p, void *v)
{
	int i, j;
	unsigned long jif;
	cputime64_t user, nice, system, idle, iowait, irq, softirq, steal;
	cputime64_t guest, guest_nice;
	u64 sum = 0;
	u64 sum_softirq = 0;
	unsigned int per_softirq_sums[NR_SOFTIRQS] = {0};
	struct timespec boottime;

	user = nice = system = idle = iowait =
		irq = softirq = steal = cputime64_zero;
	guest = guest_nice = cputime64_zero;
	getboottime(&boottime);
	jif = boottime.tv_sec;

	for_each_possible_cpu(i) {
		user = cputime64_add(user, kstat_cpu(i).cpustat.user);
		nice = cputime64_add(nice, kstat_cpu(i).cpustat.nice);
		system = cputime64_add(system, kstat_cpu(i).cpustat.system);
		idle = cputime64_add(idle, kstat_cpu(i).cpustat.idle);
		idle = cputime64_add(idle, arch_idle_time(i));
		iowait = cputime64_add(iowait, kstat_cpu(i).cpustat.iowait);
		irq = cputime64_add(irq, kstat_cpu(i).cpustat.irq);
		softirq = cputime64_add(softirq, kstat_cpu(i).cpustat.softirq);
		steal = cputime64_add(steal, kstat_cpu(i).cpustat.steal);
		guest = cputime64_add(guest, kstat_cpu(i).cpustat.guest);
 		guest_nice = cputime64_add(guest_nice,
 			kstat_cpu(i).cpustat.guest_nice);
		sum += kstat_cpu_irqs_sum(i);
		sum += arch_irq_stat_cpu(i);

		for (j = 0; j < NR_SOFTIRQS; j++) {
			unsigned int softirq_stat = kstat_softirqs_cpu(j, i);

			per_softirq_sums[j] += softirq_stat;
			sum_softirq += softirq_stat;
		}
	}
	sum += arch_irq_stat();

	seq_printf(p, "cpu  %llu %llu %llu %llu %llu %llu %llu %llu %llu"
	"%llu\n",
		(unsigned long long)cputime64_to_clock_t(user),
		(unsigned long long)cputime64_to_clock_t(nice),
		(unsigned long long)cputime64_to_clock_t(system),
		(unsigned long long)cputime64_to_clock_t(idle),
		(unsigned long long)cputime64_to_clock_t(iowait),
		(unsigned long long)cputime64_to_clock_t(irq),
		(unsigned long long)cputime64_to_clock_t(softirq),
		(unsigned long long)cputime64_to_clock_t(steal),
		(unsigned long long)cputime64_to_clock_t(guest),
		(unsigned long long)cputime64_to_clock_t(guest_nice));
	for_each_online_cpu(i) {

		/* Copy values here to work around gcc-2.95.3, gcc-2.96 */
		user = kstat_cpu(i).cpustat.user;
		nice = kstat_cpu(i).cpustat.nice;
		system = kstat_cpu(i).cpustat.system;
		idle = kstat_cpu(i).cpustat.idle;
		idle = cputime64_add(idle, arch_idle_time(i));
		iowait = kstat_cpu(i).cpustat.iowait;
		irq = kstat_cpu(i).cpustat.irq;
		softirq = kstat_cpu(i).cpustat.softirq;
		steal = kstat_cpu(i).cpustat.steal;
		guest = kstat_cpu(i).cpustat.guest;
		guest_nice = kstat_cpu(i).cpustat.guest_nice;
		seq_printf(p,
			"cpu%d %llu %llu %llu %llu %llu %llu %llu %llu %llu"
			"%llu\n",
			i,
			(unsigned long long)cputime64_to_clock_t(user),
			(unsigned long long)cputime64_to_clock_t(nice),
			(unsigned long long)cputime64_to_clock_t(system),
			(unsigned long long)cputime64_to_clock_t(idle),
			(unsigned long long)cputime64_to_clock_t(iowait),
			(unsigned long long)cputime64_to_clock_t(irq),
			(unsigned long long)cputime64_to_clock_t(softirq),
			(unsigned long long)cputime64_to_clock_t(steal),
			(unsigned long long)cputime64_to_clock_t(guest),
			(unsigned long long)cputime64_to_clock_t(guest_nice));
	}
	seq_printf(p, "intr %llu", (unsigned long long)sum);

	/* sum again ? it could be updated? */
	for_each_irq_nr(j)
		seq_printf(p, " %u", kstat_irqs(j));

	seq_printf(p,
		"\nctxt %llu\n"
		"btime %lu\n"
		"processes %lu\n"
		"procs_running %lu\n"
		"procs_blocked %lu\n",
		nr_context_switches(),
		(unsigned long)jif,
		total_forks,
		nr_running(),
		nr_iowait());

	seq_printf(p, "softirq %llu", (unsigned long long)sum_softirq);

	for (i = 0; i < NR_SOFTIRQS; i++)
		seq_put_decimal_ull(p, ' ', per_softirq_sums[i]);
	seq_putc(p, '\n');

	return 0;
}
Пример #10
0
static int show_stat(struct seq_file *p, void *v)
{
	int i;
	unsigned long jif;
	cputime64_t user, nice, system, idle, iowait, irq, softirq, steal;
	u64 sum = 0;

	user = nice = system = idle = iowait =
		irq = softirq = steal = cputime64_zero;
	jif = - wall_to_monotonic.tv_sec;
	if (wall_to_monotonic.tv_nsec)
		--jif;

	for_each_cpu(i) {
		int j;

		user = cputime64_add(user, kstat_cpu(i).cpustat.user);
		nice = cputime64_add(nice, kstat_cpu(i).cpustat.nice);
		system = cputime64_add(system, kstat_cpu(i).cpustat.system);
		idle = cputime64_add(idle, kstat_cpu(i).cpustat.idle);
		iowait = cputime64_add(iowait, kstat_cpu(i).cpustat.iowait);
		irq = cputime64_add(irq, kstat_cpu(i).cpustat.irq);
		softirq = cputime64_add(softirq, kstat_cpu(i).cpustat.softirq);
		steal = cputime64_add(steal, kstat_cpu(i).cpustat.steal);
		for (j = 0 ; j < NR_IRQS ; j++)
			sum += kstat_cpu(i).irqs[j];
	}

	seq_printf(p, "cpu  %llu %llu %llu %llu %llu %llu %llu %llu\n",
		(unsigned long long)cputime64_to_clock_t(user),
		(unsigned long long)cputime64_to_clock_t(nice),
		(unsigned long long)cputime64_to_clock_t(system),
		(unsigned long long)cputime64_to_clock_t(idle),
		(unsigned long long)cputime64_to_clock_t(iowait),
		(unsigned long long)cputime64_to_clock_t(irq),
		(unsigned long long)cputime64_to_clock_t(softirq),
		(unsigned long long)cputime64_to_clock_t(steal));
	for_each_online_cpu(i) {

		/* Copy values here to work around gcc-2.95.3, gcc-2.96 */
		user = kstat_cpu(i).cpustat.user;
		nice = kstat_cpu(i).cpustat.nice;
		system = kstat_cpu(i).cpustat.system;
		idle = kstat_cpu(i).cpustat.idle;
		iowait = kstat_cpu(i).cpustat.iowait;
		irq = kstat_cpu(i).cpustat.irq;
		softirq = kstat_cpu(i).cpustat.softirq;
		steal = kstat_cpu(i).cpustat.steal;
		seq_printf(p, "cpu%d %llu %llu %llu %llu %llu %llu %llu %llu\n",
			i,
			(unsigned long long)cputime64_to_clock_t(user),
			(unsigned long long)cputime64_to_clock_t(nice),
			(unsigned long long)cputime64_to_clock_t(system),
			(unsigned long long)cputime64_to_clock_t(idle),
			(unsigned long long)cputime64_to_clock_t(iowait),
			(unsigned long long)cputime64_to_clock_t(irq),
			(unsigned long long)cputime64_to_clock_t(softirq),
			(unsigned long long)cputime64_to_clock_t(steal));
	}
	seq_printf(p, "intr %llu", (unsigned long long)sum);

#if !defined(CONFIG_PPC64) && !defined(CONFIG_ALPHA)
	for (i = 0; i < NR_IRQS; i++)
		seq_printf(p, " %u", kstat_irqs(i));
#endif

	seq_printf(p,
		"\nctxt %llu\n"
		"btime %lu\n"
		"processes %lu\n"
		"procs_running %lu\n"
		"procs_blocked %lu\n",
		nr_context_switches(),
		(unsigned long)jif,
		total_forks,
		nr_running(),
		nr_iowait());

	return 0;
}