Fujitsu Corporation

Masayuki Kogure

Naoki Sueyasu

Satoki Shibayama

Susumu Takatsu

Katsumi Yazawa

A method of counting an actual usage time of each CPU in a computer system using a plurality of computers for distributed processing of jobs comprising first counting a CPU usage time used for each job, then counting a processing wait time in memory access of each CPU whenever executing each job, subtracting the processing wait time of each CPU from the CPU usage time for every job, and setting the thus calculated corrected CPU usage time as the actual CPU usage time. A job control system has a means for realizing this method and uses the CPU usage time and the corrected CPU usage time obtained by this means to control the jobs and charge the users.

CPU usage time counting method and job control system using this CPU usage time

A memory allocation system includes a unit for storing the information about the amount of memory required at the time of initializing each executable program in the control information of the file storing the program. The amount required is determined when the program is translated, assembled or compiled and linked. The memory allocation system also includes a unit for reading the information, indicating the amount of memory required at the time of initializing the program stored in the control information of the file, when loading of program is requested. Also included are a unit statically allocates memory commensurate with the amount of memory required at initialization and a unit for dynamically allocating memory when the previously allocated memory is insufficient for executing the program.

Growing community of inventors

Kawasaki, Japan

Masayuki Kogure