You can use the following parameters with the command:
yesterday: To display the report of the 10 worst-performing signaling groups of yesterday.
yesterday: To display the report of the 10 worst-performing signaling groups of today.
current-hour: To display the report of the 10 worst-performing signaling groups of the current hour.
last-hour: To display the report of the 10 worst-performing signaling groups of the recently completed hour.
schedule: To print the report at a scheduled time.