AUTOMATED SWITCHING BETWEEN INTERRUPT CONTEXT I/O PROCESSING AND THREAD CONTEXT I/O PROCESSING

AUTOMATED SWITCHING BETWEEN INTERRUPT CONTEXT I/O PROCESSING AND THREAD CONTEXT I/O PROCESSING

Embodiments include method, systems and computer program products for switching between interrupt context input/output I/O processing versus thread context I/O processing. The method includes receiving, by a processor of a plurality of processors, an interrupt. A device driver for an I/O adapter det...

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Hauptverfasser: Collie, Chad, Phillips, Lloyd, Accapadi, Mathew, Ramagiri, Vani D, Pham, Teresa Hong, Kalavakolanu, Anil
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator Collie, Chad
Phillips, Lloyd
Accapadi, Mathew
Ramagiri, Vani D
Pham, Teresa Hong
Kalavakolanu, Anil
description Embodiments include method, systems and computer program products for switching between interrupt context input/output I/O processing versus thread context I/O processing. The method includes receiving, by a processor of a plurality of processors, an interrupt. A device driver for an I/O adapter determines that the dispatch latency for an associated kernel thread is greater than a first predetermined threshold. An adapter switches to an interrupt context mode. The adapter processes an I/O on the processor associated with the received interrupt to completion.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title AUTOMATED SWITCHING BETWEEN INTERRUPT CONTEXT I/O PROCESSING AND THREAD CONTEXT I/O PROCESSING
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