Computer system bus performance monitoring

Details Computer system bus performance monitoring Computer system bus performance monitoring

1996-06-05

1998-10-06

Sheikh, Ayaz R.

395853, 395854, 395880, H01J 1300

Patent

active

058190538

ABSTRACT:
Performance of a bus in a computer system is monitored. A predetermined total period is counted, and usage of the bus for data transfers during the total period is measured. The bus is monitored for active cycles and a period is counted in which the active cycles are present during the total period. The bus is monitored for data transfer cycles and a period is counted in which the data transfer cycles are present during the total period. Bus efficiency is measured based on the active period and data transfer period. Read data usage on the bus is also measured. A first amount of data read by a first device is monitored, and a second amount of read data used by a second bus device is monitored. The read efficiency is determined based on the first and second amounts.

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