A method, computer program product, and computer system for receiving, by a processor, an initiation indication that a test is initiating on a computing device. The computer system includes a communication unit to receive power to perform communication with an external apparatus; and a controller to check whether at least one program to make the communication unit perform the communication is executing, and controls the communication unit to decrease consumption of power by the communication unit if the executing program is not a pre-set program. A total number of reference observations are recorded, which each relate to at least one defined observation time period and at least one defined observation route segment, within the analyzing time period and within the analyzing range.