Realtime Check Scripts

This is a collection of scripts for diagnosing real-time Linux environments. Tested for kernel version 5.10.

Requirements

Before running the scripts, be sure the following packages are installed in the system:

• bash
• gnu coreutils or equivalent (eg. busybox or toybox)
• sed
• grep
• gzip (to read /proc/config.gz if present)
• procps

rtsyscheck

This script checks if the system is configured correctly for RT. It does not require any special parameter.

rtps

Simple ps-like program to list RT applications.

Syntax: rtps [-k] [-f|-r|-b|-i|-d]

        -k      also show kernel threads

    Scheduling Selection
        -f      only show FIFO processes
        -r      only show Round-Robin processes
        -b      only show Bulk processes
        -i      only show Idle processes
        -d      only show Deadline processes

rtproc

Prints information about a list of processes

Syntax: rtproc -p pid1[,pid2,pid3...]
        rtproc programname