/*
* Returns:
* 1 if disabled
* 0 if enabled
* -1 if idlestate is not available
* -2 if disabling is not supported by the kernel
*/
int sysfs_is_idlestate_disabled(unsigned int cpu,
unsigned int idlestate)
{
if (sysfs_get_idlestate_count(cpu) <= idlestate)
return -1;
if (!sysfs_idlestate_file_exists(cpu, idlestate,
idlestate_value_files[IDLESTATE_DISABLE]))
return -2;
return sysfs_idlestate_get_one_value(cpu, idlestate, IDLESTATE_DISABLE);
}
unsigned long long sysfs_get_idlestate_time(unsigned int cpu,
unsigned int idlestate)
{
return sysfs_idlestate_get_one_value(cpu, idlestate, IDLESTATE_TIME);
}
unsigned long sysfs_get_idlestate_usage(unsigned int cpu,
unsigned int idlestate)
{
return sysfs_idlestate_get_one_value(cpu, idlestate, IDLESTATE_USAGE);
}
unsigned long sysfs_get_idlestate_latency(unsigned int cpu,
unsigned int idlestate)
{
return sysfs_idlestate_get_one_value(cpu, idlestate, IDLESTATE_LATENCY);
}