realtime

  1. A

    RT-linux interrupt service routine

    hi Iam using m_can.c driver for spi-to-can in RT-linux (5.15.52 kernel i applied 5.15.55 RT-linux patch). My can device has one watch dog interrupt configured. When this watch dog interrupt occurs every millisecond, the m_can_isr function is called. err = request_threaded_irq(dev->irq...
  2. D

    Debian 11 & cgroups v2 - How to move all realtime(RT) processes to "root cgroup"?

    I have a problem adding cpu controller since command gives error : sudo echo "+cpu" >> cgroup.subtree_control bash: cgroup.subtree_control: Access Denied. Therefore, I have found a solution is that I have to move all realtime(RT) processes to root cgroup as explained in cgroupv2 documents...
    • Deleted member 127267
    • Thread
    • cgroupsv2 realtime systemd
    • Replies: 0
    • Forum: Debian and derivatives
  3. T

    cyclictest problem with the --smi option

    Hello all, I have a problem that I have been working on for some time now, but unfortunately could not solve. I am working on a NUC6CAYH running Ubuntu 20.04.2 LTS. However, I have made the kernel real-time capable with the Preempt RT patch. uname -r -v -p -o deliver: 4.9.251-rt166...
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