Shared performance monitor in a multiprocessor system
Abstract
A performance monitoring unit (PMU) and method for monitoring performance of events occurring in a multiprocessor system. The multiprocessor system comprises a plurality of processor devices units, each processor device for generating signals representing occurrences of events in the processor device, and, a single shared counter resource for performance monitoring. The performance monitor unit is shared by all processor cores in the multiprocessor system. The PMU is further programmed to monitor event signals issued from non-processor devices.
- Inventors:
- Issue Date:
- Research Org.:
- International Business Machines Corp., Armonk, NY (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1164662
- Patent Number(s):
- 8904392
- Application Number:
- 13/484,797
- Assignee:
- International Business Machines Corporation (Armonk, NY)
- Patent Classifications (CPCs):
-
G - PHYSICS G06 - COMPUTING G06F - ELECTRIC DIGITAL DATA PROCESSING
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02D - CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THIR OWN ENERGY USE
- DOE Contract Number:
- B548850
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2012 May 31
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 97 MATHEMATICS AND COMPUTING
Citation Formats
Chiu, George, Gara, Alan G, and Salapura, Valentina. Shared performance monitor in a multiprocessor system. United States: N. p., 2014.
Web.
Chiu, George, Gara, Alan G, & Salapura, Valentina. Shared performance monitor in a multiprocessor system. United States.
Chiu, George, Gara, Alan G, and Salapura, Valentina. Tue .
"Shared performance monitor in a multiprocessor system". United States. https://www.osti.gov/servlets/purl/1164662.
@article{osti_1164662,
title = {Shared performance monitor in a multiprocessor system},
author = {Chiu, George and Gara, Alan G and Salapura, Valentina},
abstractNote = {A performance monitoring unit (PMU) and method for monitoring performance of events occurring in a multiprocessor system. The multiprocessor system comprises a plurality of processor devices units, each processor device for generating signals representing occurrences of events in the processor device, and, a single shared counter resource for performance monitoring. The performance monitor unit is shared by all processor cores in the multiprocessor system. The PMU is further programmed to monitor event signals issued from non-processor devices.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2014},
month = {12}
}
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