rt-migrate-test - real-time task migration program
rt-migrate-test [-ceh] [-p prio] [-r time] [-s time] [-m
time] [-l loops] [nr_tasks]
Test real-time multiprocessor scheduling of tasks to ensure the
highest priority tasks are running on all available CPUs
This program follows the usual GNU command line syntax, with long
options starting with two dashes ('--').
- In the summary of options, a value
in brackets (), indicates a default value
-
- -D,
--duration=TIME
- Specify a length for the test run.
Append 'm', 'h', or 'd' to specify minutes, hours or days.
- -p, --prio=prio
- base priority to start RT tasks with (2)
- -r,
--run-time=time
- Run time (ms) to busy loop the threads (20)
- -s,
--sleep-time=time
- Sleep time (ms) between intervals (100)
- -m, --maxerr=time
- Max allowed error (microsecs)
- -l --loops=loops
- Number of iterations to run (50)
- -e
- Use equal prio for #CPU-1 tasks (requires > 2 CPUS)
- -c, --check
- Stop if lower prio task is quicker than higher (off)
- -h, --help
- Display usage
- [nr-tasks]
- number of tasks to run (number of cpus + 1)