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2017-07-23 - 06:54

Dates and Events:

Breaking News:

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?


2014-11-18 00:00

Linux real-time: New stable release available -

but next one depends on more support from industrial users



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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