IP Library › Granted Patent US 7,496,901
Granted Patent B2
US 7,496,901 · App. 10/874,617 · Granted Feb 24, 2009

Method for boundary trace with reproduction facility

Assignee: International Business Machines Corporation
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Quick Facts
Patent No.
US 7,496,901
App. No.
10/874,617
Granted
Feb 24, 2009
Kind
B2
Abstract

Disclosed herein is a data processing system-implemented method for investigating computer software. The data processing system-implemented method includes capturing tracing information at one or more boundary points of the computer software, and reproducing a behavior of the computer software at the boundary points based on the captured tracing information.

Claims (22)

1. A data processing system-implemented method for directing a data processing system to investigate computer software, the data processing system-implemented method comprising:

determining whether one or more boundary points of the computer software is one of a layer boundary point, a synchronous control boundary point, and an asynchronous control boundary point;

capturing tracing information at the one or more boundary points of the computer software in response to the determining;

reproducing a behavior of the computer software at the one or more boundary points based on the captured tracing information;

interpreting the captured tracing information to distinguish individually traced boundary points among the one or more boundary points;

in response to the determining that the one or more boundary points is the layer boundary point, defining the tracing information in response to zero or more arguments and a return code for each function defining the layer boundary point of said one or more boundary points; and

in response to the determining that the one or more boundary points is the synchronous boundary point or the asynchronous boundary point, defining the tracing information in response to at least one of data sent and data received across the synchronous control boundary point or the asynchronous control boundary point of said one or more boundary points.

2. The data processing system-implemented method of claim 1 further comprising adapting said computer software about said one or more boundary points, the adapted computer software being usable by a tracing mechanism.

3. The data processing system-implemented method of claim 1 further comprising: capturing state information describing a state of action of said computer software at each boundary point; and placing the captured state information in a data structure.

4. The data processing system-implemented method of claim 1 , wherein the reproducing the behavior of said computer software at the one or more boundary points occurs in response to tracing information captured for the one or more boundary points.

5. The data processing system-implemented method of claim 1 further comprising:

creating a representative pool of workers to represent boundary points in the trace information; and

submitting trace information for a boundary point to a respective worker to process the trace information.

6. The data processing system-implemented method of claim 5 further comprising defining one or more functions for facilitating the pool of workers to process the trace information.

7. A data processing system-implemented method for directing a data processing system to investigate computer software, the data processing system-implemented method comprising;

determining whether one or more boundary points of the computer software is one of a layer boundary point, a synchronous control boundary point, and an asynchronous control boundary point;

determining whether a reproduction facility is active or not;

capturing tracing information at one or more boundary points of the computer software in response to the determining whether the one or more boundary points of the computer software is one of a layer boundary point, a synchronous control boundary point, and an asynchronous control boundary point and in response to the determining that the reproduction facility is not active;

reproducing a behavior of the computer software at the one or more boundary points based on the captured tracing information, wherein the reproduction facility performs the reproducing of the behavior of the computer software;

interpreting the captured tracing information to distinguish individually traced boundary points among the one or more boundary points;

in response to the determining that the one or more boundary points is the layer boundary point, defining the tracing information in response to zero or more arguments and a return code for each function defining the layer boundary point of said one or more boundary points; and

in response to the determining that the one or more boundary points is the synchronous boundary point or the asynchronous boundary point, defining the tracing information in response to at least one of data sent and data received across the synchronous control boundary point or the asynchronous control boundary point of said one or more boundary points.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 23, 2004
From: BEGG, ROBERT ALAN; CHISLETT, MURRAY FREDERICK; GRANKIN, ALBERT; PARKIN, JOHN PAUL; VAN GENNIP, EDWARD; WILDING, MARK FRANCIS
To: INTERNATIONAL BUSINESS MACHINES CORPORATION
Reel/Frame 015389/0711 →
Continuity (1)
Related Publication 20050283676A1 · Dec 22, 2005