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Title: Insertion of coherence requests for debugging a multiprocessor

Abstract

A method and system are disclosed to insert coherence events in a multiprocessor computer system, and to present those coherence events to the processors of the multiprocessor computer system for analysis and debugging purposes. The coherence events are inserted in the computer system by adding one or more special insert registers. By writing into the insert registers, coherence events are inserted in the multiprocessor system as if they were generated by the normal coherence protocol. Once these coherence events are processed, the processing of coherence events can continue in the normal operation mode.

Inventors:
 [1];  [2]
  1. Ridgefield, CT
  2. Chappaqua, NY
Publication Date:
Research Org.:
International Business Machines Corporation (Armonk, NY)
Sponsoring Org.:
USDOE
OSTI Identifier:
1015192
Patent Number(s):
7,669,012
Application Number:
11/768,547
Assignee:
International Business Machines Corporation (Armonk, NY)
DOE Contract Number:  
B554331
Resource Type:
Patent
Country of Publication:
United States
Language:
English

Citation Formats

Blumrich, Matthias A, and Salapura, Valentina. Insertion of coherence requests for debugging a multiprocessor. United States: N. p., 2010. Web.
Blumrich, Matthias A, & Salapura, Valentina. Insertion of coherence requests for debugging a multiprocessor. United States.
Blumrich, Matthias A, and Salapura, Valentina. Tue . "Insertion of coherence requests for debugging a multiprocessor". United States. https://www.osti.gov/servlets/purl/1015192.
@article{osti_1015192,
title = {Insertion of coherence requests for debugging a multiprocessor},
author = {Blumrich, Matthias A and Salapura, Valentina},
abstractNote = {A method and system are disclosed to insert coherence events in a multiprocessor computer system, and to present those coherence events to the processors of the multiprocessor computer system for analysis and debugging purposes. The coherence events are inserted in the computer system by adding one or more special insert registers. By writing into the insert registers, coherence events are inserted in the multiprocessor system as if they were generated by the normal coherence protocol. Once these coherence events are processed, the processing of coherence events can continue in the normal operation mode.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2010},
month = {2}
}

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