Operation graph based event monitoring system

Details Operation graph based event monitoring system Operation graph based event monitoring system

2005-03-29

2005-03-29

Iqbal, Nadeem (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S037000, C714S045000, C717S133000

Reexamination Certificate

active

06874105

ABSTRACT:
A non-obtrusive activity monitor is proposed for advantageously monitoring and tracing disjunct, concurrent computer system operations in heavily queued computer systems. For each traced and pending computer system operation, the monitor uses a hardware implementation of an event triggered operation graph to trace the path of the computer system operation through the computer system. For each followed path, a unique signature is generated that significantly reduces the amount of trace data to be stored. In a preferred embodiment, the trace information is stored together with a time stamp for debugging and measuring queuing effects and timing behavior in a computer system.

REFERENCES:
patent: 5355484 (1994-10-01), Record et al.

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