コード例 #1
0
ファイル: cpuidle-info.c プロジェクト: CSCLOG/beaglebone
static void cpuidle_cpu_output(unsigned int cpu, int verbose)
{
	int idlestates, idlestate;
	char *tmp;

	printf(_ ("Analyzing CPU %d:\n"), cpu);

	idlestates = sysfs_get_idlestate_count(cpu);
	if (idlestates == 0) {
		printf(_("CPU %u: No idle states\n"), cpu);
		return;
	} else if (idlestates <= 0) {
		printf(_("CPU %u: Can't read idle state info\n"), cpu);
		return;
	}
	tmp = sysfs_get_idlestate_name(cpu, idlestates - 1);
	if (!tmp) {
		printf(_("Could not determine max idle state %u\n"),
		       idlestates - 1);
		return;
	}

	printf(_("Number of idle states: %d\n"), idlestates);

	printf(_("Available idle states:"));
	for (idlestate = 1; idlestate < idlestates; idlestate++) {
		tmp = sysfs_get_idlestate_name(cpu, idlestate);
		if (!tmp)
			continue;
		printf(" %s", tmp);
		free(tmp);
	}
	printf("\n");

	if (!verbose)
		return;

	for (idlestate = 1; idlestate < idlestates; idlestate++) {
		tmp = sysfs_get_idlestate_name(cpu, idlestate);
		if (!tmp)
			continue;
		printf("%s:\n", tmp);
		free(tmp);

		tmp = sysfs_get_idlestate_desc(cpu, idlestate);
		if (!tmp)
			continue;
		printf(_("Flags/Description: %s\n"), tmp);
		free(tmp);

		printf(_("Latency: %lu\n"),
		       sysfs_get_idlestate_latency(cpu, idlestate));
		printf(_("Usage: %lu\n"),
		       sysfs_get_idlestate_usage(cpu, idlestate));
		printf(_("Duration: %llu\n"),
		       sysfs_get_idlestate_time(cpu, idlestate));
	}
	printf("\n");
}
コード例 #2
0
static void cpuidle_cpu_output(unsigned int cpu, int verbose)
{
    int idlestates, idlestate;
    char *tmp;

    printf(_ ("Analyzing CPU %d:\n"), cpu);

    idlestates = sysfs_get_idlestate_count(cpu);
    if (idlestates < 1) {
        printf(_("CPU %u: No idle states\n"), cpu);
        return;
    }

    printf(_("Number of idle states: %d\n"), idlestates);
    printf(_("Available idle states:"));
    for (idlestate = 0; idlestate < idlestates; idlestate++) {
        tmp = sysfs_get_idlestate_name(cpu, idlestate);
        if (!tmp)
            continue;
        printf(" %s", tmp);
        free(tmp);
    }
    printf("\n");

    if (!verbose)
        return;

    for (idlestate = 0; idlestate < idlestates; idlestate++) {
        int disabled = sysfs_is_idlestate_disabled(cpu, idlestate);
        /* Disabled interface not supported on older kernels */
        if (disabled < 0)
            disabled = 0;
        tmp = sysfs_get_idlestate_name(cpu, idlestate);
        if (!tmp)
            continue;
        printf("%s%s:\n", tmp, (disabled) ? " (DISABLED) " : "");
        free(tmp);

        tmp = sysfs_get_idlestate_desc(cpu, idlestate);
        if (!tmp)
            continue;
        printf(_("Flags/Description: %s\n"), tmp);
        free(tmp);

        printf(_("Latency: %lu\n"),
               sysfs_get_idlestate_latency(cpu, idlestate));
        printf(_("Usage: %lu\n"),
               sysfs_get_idlestate_usage(cpu, idlestate));
        printf(_("Duration: %llu\n"),
               sysfs_get_idlestate_time(cpu, idlestate));
    }
    printf("\n");
}
コード例 #3
0
static struct cpuidle_monitor *cpuidle_register(void)
{
	int num;
	char *tmp;

	/*                                                  */
	cpuidle_sysfs_monitor.hw_states_num = sysfs_get_idlestate_count(0);

	if (cpuidle_sysfs_monitor.hw_states_num <= 0)
		return NULL;

	for (num = 0; num < cpuidle_sysfs_monitor.hw_states_num; num++) {
		tmp = sysfs_get_idlestate_name(0, num);
		if (tmp == NULL)
			continue;

		fix_up_intel_idle_driver_name(tmp, num);
		strncpy(cpuidle_cstates[num].name, tmp, CSTATE_NAME_LEN - 1);
		free(tmp);

		tmp = sysfs_get_idlestate_desc(0, num);
		if (tmp == NULL)
			continue;
		strncpy(cpuidle_cstates[num].desc, tmp,	CSTATE_DESC_LEN - 1);
		free(tmp);

		cpuidle_cstates[num].range = RANGE_THREAD;
		cpuidle_cstates[num].id = num;
		cpuidle_cstates[num].get_count_percent =
			cpuidle_get_count_percent;
	};

	/*                                  */
	previous_count = malloc(sizeof(long long *) * cpu_count);
	current_count = malloc(sizeof(long long *) * cpu_count);
	for (num = 0; num < cpu_count; num++) {
		previous_count[num] = malloc(sizeof(long long) *
					cpuidle_sysfs_monitor.hw_states_num);
		current_count[num] = malloc(sizeof(long long) *
					cpuidle_sysfs_monitor.hw_states_num);
	}

	cpuidle_sysfs_monitor.name_len = strlen(cpuidle_sysfs_monitor.name);
	return &cpuidle_sysfs_monitor;
}