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

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.
Authors:
;
Publication Date:
OSTI Identifier:
1187936
Report Number(s):
9,069,891
12/684,190
DOE Contract Number:
B554331
Resource Type:
Patent
Resource Relation:
Patent File Date: 2010 Jan 08
Research Org:
International Business Machines Corporation, Armonk, NY (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
97 MATHEMATICS AND COMPUTING