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Title: Shared performance monitor in a multiprocessor system

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.
Authors:
; ;
Publication Date:
OSTI Identifier:
1164662
Report Number(s):
8,904,392
13/484,797
DOE Contract Number:
B548850
Resource Type:
Patent
Resource Relation:
Patent File Date: 2012 May 31
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