Measuring utilization of processor shared by multiple system control programs
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United States of America Patent
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Dec 10, 1991
Grant Date -
N/A
app pub date -
Jun 10, 1988
filing date -
Jun 10, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a computer system wherein control of a processor is time multiplexed among more than one system control program, the utilization by a system control program of the processor during a predetermined time interval is determined by accumulating processor idle time for said system control program during said time interval, adjusting the processor idle time accumulated for said system control program by time periods wherein said system control program does not have control of the processor; and subtracting said real idle time from said interval time to obtain CPU busy time.
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