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Title: Hardware/software based indirect time stamping methodology for proactive hardware/software event detection and control

Abstract

An improved method and apparatus for time stamping events occurring on a large scale distributed network uses a local counter associated with each processor of the distributed network. Each counter resets at the same time globally so that all events are recorded with respect to a particular time. The counter is stopped when a critical event is detected. The events are masked or filtered in an online or offline fashion to eliminate non-critical events from triggering a collection by the system monitor or service/host processor. The masking can be done dynamically through the use of an event history logger. The central system may poll the remote processor periodically to receive the accurate counter value from the local counter and device control register. Remedial action can be taken when conditional probability calculations performed on the historical information indicate that a critical event is about to occur.

Inventors:
; ; ;
Issue Date:
Research Org.:
International Business Machines Corp., Armonk, NY (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1531588
Patent Number(s):
7529979
Application Number:
10/735,412
Assignee:
International Business Machines Corporation (Armonk, NY)
Patent Classifications (CPCs):
G - PHYSICS G06 - COMPUTING G06F - ELECTRIC DIGITAL DATA PROCESSING
DOE Contract Number:  
B517552
Resource Type:
Patent
Resource Relation:
Patent File Date: 2003-12-12
Country of Publication:
United States
Language:
English

Citation Formats

Dombrowa, Marc B., Hoenicke, Dirk I., Sahoo, Ramendra K., and Sugavanam, Krishnan. Hardware/software based indirect time stamping methodology for proactive hardware/software event detection and control. United States: N. p., 2009. Web.
Dombrowa, Marc B., Hoenicke, Dirk I., Sahoo, Ramendra K., & Sugavanam, Krishnan. Hardware/software based indirect time stamping methodology for proactive hardware/software event detection and control. United States.
Dombrowa, Marc B., Hoenicke, Dirk I., Sahoo, Ramendra K., and Sugavanam, Krishnan. Tue . "Hardware/software based indirect time stamping methodology for proactive hardware/software event detection and control". United States. https://www.osti.gov/servlets/purl/1531588.
@article{osti_1531588,
title = {Hardware/software based indirect time stamping methodology for proactive hardware/software event detection and control},
author = {Dombrowa, Marc B. and Hoenicke, Dirk I. and Sahoo, Ramendra K. and Sugavanam, Krishnan},
abstractNote = {An improved method and apparatus for time stamping events occurring on a large scale distributed network uses a local counter associated with each processor of the distributed network. Each counter resets at the same time globally so that all events are recorded with respect to a particular time. The counter is stopped when a critical event is detected. The events are masked or filtered in an online or offline fashion to eliminate non-critical events from triggering a collection by the system monitor or service/host processor. The masking can be done dynamically through the use of an event history logger. The central system may poll the remote processor periodically to receive the accurate counter value from the local counter and device control register. Remedial action can be taken when conditional probability calculations performed on the historical information indicate that a critical event is about to occur.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2009},
month = {5}
}

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