Enhancing MINIX 3 Input/Output performance using a virtual machine approach

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MINIX 3 is an open-source operating system designed to be highly reliable, flexible, and secure. The kernel is extremely small and user processes, specialized servers and device drivers run as user-mode insulated processes. These features, the tiny amount of kernel code, and other aspects greatly e...

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Detalles Bibliográficos
Autores principales: Pessolani, Pablo Andrés, González, César Daniel
Formato: Objeto de conferencia
Lenguaje:Español
Publicado: 2010
Materias:
Ciencias Informáticas
sistema operativo
System architectures
microkernel
input/output
device drivers
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/19342
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-19342
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Español
topic Ciencias Informáticas
sistema operativo
System architectures
microkernel
input/output
device drivers
spellingShingle Ciencias Informáticas
sistema operativo
System architectures
microkernel
input/output
device drivers
Pessolani, Pablo Andrés
González, César Daniel
Enhancing MINIX 3 Input/Output performance using a virtual machine approach
topic_facet Ciencias Informáticas
sistema operativo
System architectures
microkernel
input/output
device drivers
description MINIX 3 is an open-source operating system designed to be highly reliable, flexible, and secure. The kernel is extremely small and user processes, specialized servers and device drivers run as user-mode insulated processes. These features, the tiny amount of kernel code, and other aspects greatly enhance system reliability. The drawbacks of running device drivers in usermode are the performance penalties on input/output ports access, kernel data structures access, interrupt indirect management, memory copy operations, etc. As MINIX 3 is based on the message transfer paradigm, device drivers must request those operations to the System Task (a special kernel representative process) sending request messages and waiting for reply messages increasing the system overhead. This article proposes a direct call mechanism using a Virtual Machine (VM) approach that keeps system reliability running device drivers in user-mode but avoiding the message transfer, queuing, de-queuing and scheduling overhead.
format Objeto de conferencia
Objeto de conferencia
author Pessolani, Pablo Andrés
González, César Daniel
author_facet Pessolani, Pablo Andrés
González, César Daniel
author_sort Pessolani, Pablo Andrés
title Enhancing MINIX 3 Input/Output performance using a virtual machine approach
title_short Enhancing MINIX 3 Input/Output performance using a virtual machine approach
title_full Enhancing MINIX 3 Input/Output performance using a virtual machine approach
title_fullStr Enhancing MINIX 3 Input/Output performance using a virtual machine approach
title_full_unstemmed Enhancing MINIX 3 Input/Output performance using a virtual machine approach
title_sort enhancing minix 3 input/output performance using a virtual machine approach
publishDate 2010
url http://sedici.unlp.edu.ar/handle/10915/19342
work_keys_str_mv AT pessolanipabloandres enhancingminix3inputoutputperformanceusingavirtualmachineapproach
AT gonzalezcesardaniel enhancingminix3inputoutputperformanceusingavirtualmachineapproach
bdutipo_str Repositorios
_version_ 1764820464300982272

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