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. 10, 2015
Filed:
Feb. 11, 2014
Red Hat Israel, Ltd., Raanana, IL;
Red Hat Israel, Ltd., Raanana, IL;
Abstract
Implementations provide for tracking memory accesses to optimize processor task placement is disclosed. A method includes creating a page table (PT) hierarchy associated with a thread, wherein the PT hierarchy comprises identifying information of memory pages and access bits corresponding to each of the memory pages, setting the respective access bit of one or more of the memory pages accessed by the thread while the thread is executing, collecting access bit information from the PT hierarchy associated with the thread, wherein the access bit information comprises the set access bits in the PT hierarchy, determining, in view of the collected access bit information, memory access statistics for the thread, and utilizing, during runtime of the thread, the memory access statistics for the thread in a determination of whether to migrate the thread to another processing device during the runtime of the thread.