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:
May. 13, 2014
Filed:
Jul. 28, 2011
Applicants:
Hyun-joo Ahn, Suwon-si, KR;
Jae-hoon Jeong, Yongin-si, KR;
Sung-hwan Hyun, Yongin-si, KR;
Inventors:
Assignee:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus and method for tracing memory access information of a user program while ensuring a normal operation of the user program. An access permission about a memory region may be set to trace the memory access information. An instruction of the user program encounters a page fault according to the set access permission. If the page fault occurs, memory access information is stored based on the page fault, and apparatus executes an instruction causing the page fault while in a supervisor mode.