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:
Jan. 13, 2015
Filed:
Dec. 16, 2011
Ryan D. Bedwell, Kyle, TX (US);
Elizabeth M. Cooper, Los Gatos, CA (US);
Eric M. Rentschler, Steamboat Springs, CO (US);
Ryan D. Bedwell, Kyle, TX (US);
Elizabeth M. Cooper, Los Gatos, CA (US);
Eric M. Rentschler, Steamboat Springs, CO (US);
Advanced Micro Devices, Inc., Sunnyvale, CA (US);
Abstract
An apparatus, processor, and method for synchronizing trace data. A processor includes multiple cores, and each core operates at a different local clock frequency. A global clock is distributed to each core, and a timestamp is generated using the global clock and the local clock. The timestamp and a local clock saturation value are included in each trace entry, and the local clock saturation value is equal to the ratio between the local clock and the global clock. The trace entries from separate cores are time-correlated in a post-processing phase based on the timestamp and local clock saturation values.