Shared performance monitor in a multiprocessor system

Chiu, George; Gara, Alan G; Salapura, Valentina

Shared performance monitor in a multiprocessor system

Patent · 02 December 2014

OSTI ID:1164662

Chiu, George; Gara, Alan G; Salapura, Valentina

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.

Research Organization:: International Business Machines Corporation, Armonk, NY (United States)

Sponsoring Organization:: USDOE

Assignee:: International Business Machines Corporation (Armonk, NY)

Patent Number(s):: 8,904,392

Application Number:: 13/484,797

OSTI ID:: 1164662

Country of Publication:: United States

Language:: English

References (8)

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