To automatically select a software asset necessary for the shift of a computer system by storing the execution state of a task program into an execution log file.
The execution state of a task program is stored into an execution log file 110 by a log information collection processing part 104 of a program in a computer system, and a creation processing part 105 of a program management DB creates a program management DB 113 for clarifying a relationship among an execution format program name and an object program name and a source program name. An analysis processing part 106 of the software asset analyzes a software asset by using the execution file 110 and the program management DB 113, and outputs the information of the program used by the actual task system to an analysis result file 115.
KOBAYASHI TSUTOMU
TAWARA TAKANORI
