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. 30, 2021
Filed:
May. 06, 2019
Applicant:
Renesas Electronics Corporation, Tokyo, JP;
Inventor:
Yasuhiro Sugita, Tokyo, JP;
Assignee:
RENESAS ELECTRONICS CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/455 (2018.01); G06F 7/48 (2006.01); G06F 9/48 (2006.01); G06F 9/30 (2018.01);
U.S. Cl.
CPC ...
G06F 9/45558 (2013.01); G06F 7/48 (2013.01); G06F 9/3001 (2013.01); G06F 9/4812 (2013.01);
Abstract
A data processing device that can monitor properly the state of the interrupt processing of a virtual machine is provided. The data processing device according to an aspect of the present disclosure includes an arithmetic unit that executes multiple virtual machines, respectively, and an interrupt controller that instructs execution of the interrupt processing to the arithmetic unit with the virtual machine information to specify at least one of the multiple virtual machines. The interrupt controller includes a counter to count the number of interrupts for each virtual machine based on the virtual machine information.