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Performance monitor synchronization in a multiprocessor system

  • US 6,480,966 B1
  • Filed: 12/07/1999
  • Issued: 11/12/2002
  • Est. Priority Date: 12/07/1999
  • Status: Expired due to Fees
First Claim
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1. A method of synchronizing performance monitors in the multiprocessor system including a lead processor and at least one slave processor, comprising:

  • informing the slave processor that a synchronization signal is forthcoming;

    waiting for an acknowledgment indicating the slave processor is ready to receive the synchronization signal;

    responsive to the slave processor'"'"'s acknowledgment, sending the synchronization signal to the slave processor; and

    setting the lead processor'"'"'s performance monitors when the synchronization signal is sent and setting the slave processor'"'"'s performance monitors when the synchronization signal is received by the slave processor.

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