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2021-10-25 - 06:00

Dates and Events:

OSADL Articles:

2021-09-06 12:00

"OSADL Track" at EWC 2022: Call for Papers

All about legal and technical issues and solutions when using Open Source software in industry


2021-02-09 12:00

Open Source OPC UA PubSub over TSN project phase #3 launched

Letter of Intent with call for participation is now available


2016-11-12 12:00

Raspberry Pi and real-time Linux

Let's have a look at the OSADL QA Farm data


2016-09-17 12:00

Preemption latency of real-time Linux systems

How to measure it – and how to fix it, if it's too high?



OSADL Projects

OSADL Project: "Latest Stable" PREEMPT_RT realtime Linux kernel

  • Download kernel, unpack it, download patch, patch the kernel
cd /usr/src/kernels
wget https://www.kernel.org/pub/linux/kernel/v3.x/linux-3.12.33.tar.bz2
tar -jxf linux-3.12.33.tar.bz2
mv linux-3.12.33 linux-3.12.33-rt47
cd linux-3.12.33-rt47
wget https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patch-3.12.33-rt47.bz2
bzip2 -d patch-3.12.33-rt47.bz2
patch -p1 <patch-3.12.33-rt47
  • Configure the kernel, enable CONFIG_PREEMPT_RT

  • Compile, link and install the kernel
make
make modules_install install
  • Reboot and select the new kernel

More detailed instruction

HOWTO

How to enable real-time capabilities of the mainline kernel including hints how to check the real-time capabilities of the newly compiled kernel is further explained here.

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