System and method for performance monitoring and...

Details System and method for performance monitoring and... System and method for performance monitoring and...

2007-06-29

2009-08-18

Peyton, Tammara (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Peripheral monitoring

C710S008000, C710S014000, C710S015000, C710S016000, C710S017000, C718S101000, C718S102000

Reexamination Certificate

active

07577770

ABSTRACT:
A judgment is made quickly about whether or not it is a memory or a chipset that is causing a performance bottleneck in an application program. A computer system of this invention includes at least one CPU, a controller that connects the CPU to a memory and to an I/O interface, in which the controller includes a response time measuring unit, which receives a request to access the memory and measures a response time taken to respond to the memory access request, a frequency counting unit, which measures an issue count of the memory access request, a measurement result storing unit, which stores a measurement result associating the response time with the corresponding issue count, and a measurement result control unit which outputs the measurement result stored in the measurement result storing unit when receiving a measurement result read request.

REFERENCES:
patent: 5872972 (1999-02-01), Boland et al.
patent: 6092180 (2000-07-01), Anderson et al.
“System Performance Tuning”, 2nded. Musumeci, Gian-Paolo D. and Loukides, Mike. O'Reilly Media, Inc., 2003.
“High Performance Client Server: A Guide to Building and Managing Robust Distributed Systems”, Loosely, Chris and Douglas, Frank. John Wiley & Sons Inc., 1998, (Japanese translation title: “256 Rules of Database Tuning”, Nikkei Business Publications, Inc., 1999).

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