a computer program product for a performance analysis program embodied on a computer - readable medium and comprising code that , when executed , causes a computer to perform the following steps . the first step is executing a measurement start routine which starts a performance analysis . the second step is executing a measurement end routine which ends said performance analysis . the three step is executing a first time measurement command placed on at least one of before and after a first call statement which calls said measurement start routine . the fourth step is executing a second time measurement command placed on at least one of before and after a second call statement which calls said measurement end routine .