Method and system for utilizing benign fault occurrence to measu

Details Method and system for utilizing benign fault occurrence to measu Method and system for utilizing benign fault occurrence to measu

1991-08-21

1994-04-05

Beausoliel, Jr., Robert W.

Excavating

371 19, G06F 1130, G06F 1100

Patent

active

053013123

ABSTRACT:
A method in a computer system for monitoring time intervals during which external interrupts are inhibited within the computer system in a selected program being run on the computer system. The method and apparatus of the present invention includes identifying a first plurality of instructions, capable of blocking external interrupts and identifying a second plurality of instructions, capable of unblocking external interrupts. After identifying these instructions, a unique benign fault is inserted proximate to selected ones of the first plurality of instructions and selected ones of the second plurality of instructions to produce a special version program. The special version program is then run in the computer system. Faults which occur during the running of the special version program and associated external interrupt-blocking times are monitored.

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Hedeman, III, Program to Count Microcode Instructions IBM Technical Disclosure Bulletin, vol. 16, No. 1, Jun. 1973.

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