While shortening a trace processing time duration of checking a target program, the target program is simply checked in a high speed. When historical data acquired by executing this target program is supplied, the historical data is converted into trace packet data. The trace packet data is temporarily...http://www.google.de/patents/US6321290?utm_source=gb-gplus-sharePatent US6321290 - Program checking method, program checking apparatus, and computer-readable recording medium for recording target program checking program capable of reducing tracing interrupt time