Real-Time System: Tools & Kernel patches for patching the Rasbian kernel with RT-Preempt or Xenomai v3.0.7.

You can find additional information reading these posts:

• #Raspberry Pi: Real Time System - Preempt-RT Patching Tutorial for Kernel 4.14.y
• #Raspberry Pi: The N-queens Problem! (benchmark) Preempt-RT vs. Standard Kernel!
• #Rapberry Pi: Preempt-RT Kernel Performance on Rasbperry PI 3 Model B+
• #Raspberry Pi 4B: Preempt-RT Kernel 4.19.y - Performance Test (coming soon)

• #Raspberry Pi: Real Time System - Xenomai Patching Tutorial for Kernel 4.14.y

• the folder preempt-rt includes the Preempt-RT patched kernels:
  • kernel_4_14_21-rt17-v7+
  • kernel_4_14_27-rt21-v7+
  • kernel_4_14_52-rt34-v7+
  • kernel_4_14_74-rt44-v7+
  • kernel_4_19_59-rt23-v7l+
• the folder xenomai/v3.0.7 includes the patched kernel:
  • kernel_4_14_37-v7+

If you don't want to, you don't need to compile the kernel again: You can donwload these patches and deploy them. More info:

• #Raspberry Pi: Real Time System - Preempt-RT Patching Tutorial for Kernel 4.14.y
• #Raspberry Pi: Real Time System - Xenomai Patching Tutorial for Kernel 4.14.y

Patches included in patches-backup are backup copies from:

• usb-dwc_otg-fix
• patch-4.14.20-rt17.patch.gz