NI PXI Linux Support Plan
Jason Hobbs
Senior Group Manager, NI Systems Software R&D
February 2016
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Agenda
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NI Linux Investment Summary
NI Linux Distribution Support
NI PXI Hardware Support Plan
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NI is standardizing on Linux across product lines
NI has invested ~100 man-years to date in NI Linux Real-Time
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NI Linux Investment Summary
Released
cRIO
(Linux RT)
Planned
cDAQ,
Controller for FlexRIO,
Compact Vision
sbRIO
(Linux RT)
(Linux RT)
PXI
(Linux RT and Desktop)
Linux
2013
2014
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2015
2016
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2017 - 2018
NI Linux Investment Summary
NI is investing in Linux
• NI has invested ~100 man-years to date in Linux RT and is continuing to invest
• NI is a Linux Foundation silver member
• NI is a primary contributor to Linux RT Collaborative Project to push RT patch into mainline
• NI is contributing source code to Linux RT patch; presented at Embedded Linux Conference
NI is committed to and investing for Linux RT to be our only RTOS
• 2013: cRIO platform released with Linux RT; only RTOS for new controllers is Linux RT
• 2014: cDAQ platform released with Linux RT; only RTOS for new controllers is Linux RT
• 2017-2018: PXI platform planned to release with Linux RT
NI plans to leverage Linux RT PXI investment to support Linux desktop
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NI Linux Real-Time Goals
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Enjoy the flexibility of Linux, with the determinism and reliability of a
real-time operating system
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Leverage the vast ecosystem of tools and IP
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Desktop UI, Peripherals, System Administration, Real-Time scheduler
Networking, Configuration Management, Simulation, Monitoring, etc.
Reuse C/C++ code in and alongside LabVIEW Real-Time built applications
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FPGA Interface C API, System Configuration C API
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What is NI Linux Real-Time?
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Custom distribution, built using OpenEmbedded (based on Ångström distribution)
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Supports x64 and ARM architectures
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PREEMPT_RT patchset applied for determinism without sacrificing full capabilities of
Linux.
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Long-term support initiative patches applied to ensure stability and peripheral support
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Tuned for NI hardware (e.g., network drivers), ensuring no major latency regressions
on NI HW when upgrading kernel and packages
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Security-Enhanced Linux (SELinux) mandatory access control package support
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NI Linux RT FAQ: https://decibel.ni.com/content/docs/DOC-35053
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NI PXI Linux Support – Current State
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Active support
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NI-RIO (FlexRIO, R Series)
NI-VISA
NI-488.2 (GPIB)
Serial
LabVIEW
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Prior versions available
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NI-DAQmx
NI-Scope
NI-Fgen
NI-DMM
NI PXI Linux Support – Future State
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Provide a supported and evolving platform of NI hardware and drivers for
Linux RT and Desktop Linux
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Annual release
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New hardware support for supported drivers
New driver features and fixes
Supported Linux distros
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NI Linux RT
Red Hat Enterprise
OpenSUSE
Scientific Linux >> CentOS
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NI PXI Driver Support Plan
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Phased released
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Most drivers will be available at initial release
Additional drivers will be supported in subsequent releases
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64-bit support only (user and kernel)
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Support hardware expected to be generally available at release
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Annual assessment of new drivers and hardware to support
Please contact Jason Hobbs for early access and a full list of
supported devices
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Summary
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NI is investing in Linux and working toward supporting the PXI platform
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NI will support Linux RT and Desktop on PXI in phased releases
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We are engaging lead users for early access and feedback
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Contact Jason Hobbs for more details
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