Questions tagged [rtos]

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Install rt-test(cyclictest) and meet some problems?

I want to measure the real-time performance of a old customized RedHat Linux (RTOS) with the rt-test tool suite, and the RT RedHat Linux is not registered with RHN, so I can not install the rt-test ...
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1answer
274 views

Running make -j$(nproc) or make modules -j$(nproc)

I am following this. To run make -j$(nproc) make modules -j$(nproc) I know that make is running jobs Are the jobs supposed to run for hours? (I got impatient and interrupted.) make -j$(nproc)
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0answers
141 views

Error in build while installing RTAI in Ubuntu 18.04

I am trying to install RTAI 5.0.1 on Ubuntu 18.04 LTS in Linux Kernel 4.1.18. I was following this tutorial. But unfortunately I am stuck in this part make -j `getconf _NPROCESSORS_ONLN` deb-pkg ...
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2answers
770 views

Is there an open source POSIX PSE51 compliant RTOS?

IEEE Std 1003.13-2003 defines a set of POSIX profiles for real-time systems. PSE51 is one of these profiles. I'm studying about PSE51 and I think it would be very helpful if I had access to an ...
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1answer
101 views

Do I need to learn a RTOS first or can I directly go for embedded Linux? [closed]

If I wanted to learn deeply and build a embedded Linux Operating systems would i benefit from knowing about RTOS or can I straight away go for embedded Linux.
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1answer
137 views

How to set thread priority in RTLinux?

How to set thread priority in RTLinux? Also, what is the range of priority levels; which is highest priority and which is lowest?
1
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1answer
1k views

RTOS in a virtual machine

Are there any opensource/free Unix like RTOS that can run a virtual machine like QNX Neutrino RTOS (http://www.qnx.com/products/evaluation/eval-target.html)?
1
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1answer
729 views

How to set up RTLinux on x64 laptop to behave realtime?

I have to set up RTLinux and run a real-time ST language interpreter. The official RTLinux has been abandoned and its official download site does not work. I decided to use community RT_PREEMPT patch. ...
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2answers
6k views

Compiling FreeRTOS on ubuntu

How could I compile the FreeRTOS Source Code and run it (possibly on qemu) on Ubuntu 11.04?
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3answers
14k views

Which Scheduling algorithm is used in Linux?

Recently in an interview I was asked about the Scheduling algorithm used by Linux Operating system. What is the algorithm used any why? Also, what algorithm is used in in real-time operating systems ...
14
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2answers
10k views

Advantages of using a RTOS such as QNX or VxWorks instead of Linux?

When developing a solution that requires a real-time operating system, what advantages would an operating system such an QNX or VxWorks have over Linux? Or to put it another way, since these ...