Real time measurement of I/O interrupt delay times by hypervisor for hot spot analysis

Real time measurement of I/O interrupt delay times by hypervisor for hot spot analysis

A method includes determining a reference I/O service time of an I/O operation on a server and measuring, with a processor of the server running a hypervisor configured to manage a plurality of logical partitions (LPARs), each LPAR running one of a plurality of instances of an operating system (O/S)...

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Hauptverfasser: YUDENFRIEND HARRY M, GASSERT FRANCIS, OAKES KENNETH J
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator YUDENFRIEND HARRY M
GASSERT FRANCIS
OAKES KENNETH J
description A method includes determining a reference I/O service time of an I/O operation on a server and measuring, with a processor of the server running a hypervisor configured to manage a plurality of logical partitions (LPARs), each LPAR running one of a plurality of instances of an operating system (O/S), an actual I/O service time of the I/O operation. The method also includes determining, by the processor, a delay time of virtualization on the server based on the reference I/O service time and the actual I/O service time.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title Real time measurement of I/O interrupt delay times by hypervisor for hot spot analysis
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