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.

Date of Patent:
Jul. 26, 2016

Filed:

Jul. 07, 2014
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Jeremy R. Geddes, Raleigh, NC (US);

Hugh E. Hockett, Raleigh, NC (US);

Aaron J. Quirk, Cary, NC (US);

Kristin R. Whetstone, Raleigh, NC (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/00 (2006.01); G06F 9/54 (2006.01); G06F 9/48 (2006.01);
U.S. Cl.
CPC ...
G06F 9/542 (2013.01); G06F 9/4881 (2013.01);
Abstract

Detecting stalling of a software process in a computer system includes receiving identification of a task thread group executing in a work process executing on a computer system. The task thread group includes one or more threads and the receiving includes receiving identification of the one or more threads by a control process executing on a computer system. The detecting includes detecting whether there is a thread state change for the task thread group, marking the task as running responsive to detecting a thread state change for the task thread group, marking the task as stalled responsive to detecting an absence of a thread state change for at least a predefined amount of time, and marking the work process as stalled responsive detecting an absence of a predetermined signal from the work process for at least a predefined amount of time.


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