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Title: Hardware enabled performance counters with support for operating system context switching

Abstract

A device for supporting hardware enabled performance counters with support for context switching include a plurality of performance counters operable to collect information associated with one or more computer system related activities, a first register operable to store a memory address, a second register operable to store a mode indication, and a state machine operable to read the second register and cause the plurality of performance counters to copy the information to memory area indicated by the memory address based on the mode indication.

Inventors:
;
Issue Date:
Research Org.:
International Business Machines Corp., Armonk, NY (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1187936
Patent Number(s):
9069891
Application Number:
12/684,190
Assignee:
International Business Machines Corporation (Armonk, NY)
Patent Classifications (CPCs):
G - PHYSICS G06 - COMPUTING G06F - ELECTRIC DIGITAL DATA PROCESSING
DOE Contract Number:  
B554331
Resource Type:
Patent
Resource Relation:
Patent File Date: 2010 Jan 08
Country of Publication:
United States
Language:
English
Subject:
97 MATHEMATICS AND COMPUTING

Citation Formats

Salapura, Valentina, and Wisniewski, Robert W. Hardware enabled performance counters with support for operating system context switching. United States: N. p., 2015. Web.
Salapura, Valentina, & Wisniewski, Robert W. Hardware enabled performance counters with support for operating system context switching. United States.
Salapura, Valentina, and Wisniewski, Robert W. Tue . "Hardware enabled performance counters with support for operating system context switching". United States. https://www.osti.gov/servlets/purl/1187936.
@article{osti_1187936,
title = {Hardware enabled performance counters with support for operating system context switching},
author = {Salapura, Valentina and Wisniewski, Robert W.},
abstractNote = {A device for supporting hardware enabled performance counters with support for context switching include a plurality of performance counters operable to collect information associated with one or more computer system related activities, a first register operable to store a memory address, a second register operable to store a mode indication, and a state machine operable to read the second register and cause the plurality of performance counters to copy the information to memory area indicated by the memory address based on the mode indication.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2015},
month = {6}
}

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