Instead of creating each attribute individually, use sysfs_create_group
to create all attributes for one core with a single call.
Signed-off-by: NGuenter Roeck <linux@roeck-us.net>
Reviewed-by: NJean Delvare <jdelvare@suse.de>
Tested-by: NJean Delvare <jdelvare@suse.de>