The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 04, 2008
Filed:
Dec. 29, 2000
Stavros Kalafatis, Portland, OR (US);
Micheal D. Cranford, Hillsboro, OR (US);
Scott D. “dion” Rodgers, Hillsboro, OR (US);
Brinkley Sprunt, Lewisburg, PA (US);
Stavros Kalafatis, Portland, OR (US);
Micheal D. Cranford, Hillsboro, OR (US);
Scott D. “Dion” Rodgers, Hillsboro, OR (US);
Brinkley Sprunt, Lewisburg, PA (US);
Intel Corporation, Santa Clara, CA (US);
Abstract
A method and apparatus for monitoring the performance characteristics of a multithreaded processor executing instructions from two or more threads simultaneously. Event detectors detect the occurrence of specific processor events during the execution of instructions from threads of a multithreaded processor. Specialized event select control registers are programmed to control the selection, masking and qualifying of events to be monitored. Events are qualified according to their thread ID and thread current privilege level (CPL). Each event that is qualified is counted by one of several programmable event counters that keep track of all processor events being monitored. The contents of the event counters can then be accessed and sampled via a program instruction.