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System and method for performance monitoring and reconfiguring computer system with hardware monitor

  • US 7,577,770 B2
  • Filed: 06/29/2007
  • Issued: 08/18/2009
  • Est. Priority Date: 09/15/2006
  • Status: Expired due to Fees
First Claim
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1. A computer system comprising:

  • at least one CPU; and

    a controller for connecting the CPU to a memory and to an I/O interface,wherein the controller includes;

    a response time measuring unit for receiving a request to access the memory and measuring a response time taken to respond to the memory access request;

    a frequency counting unit for measuring an issue count of the memory access request;

    a measurement result storing unit for storing a measurement result associating the response time with the corresponding issue count; and

    a measurement result control unit for outputting the measurement result from the measurement result storing unit when receiving a request to read the measurement result,wherein the measurement result control unit is connected to a management terminal which sends a measurement result read request, and, upon receiving the read request, sends the measurement result to the management terminal.

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