deadline_test - Man Page

High resolution test program


This program is used to test the deadline scheduler (SCHED_DEADLINE tasks)


deadline_test [ -hb ] [ -r prio ] [ -c cpulist ] [ -i interval ] [ -p percent ] [ -P percent ] [ -t threads ] [ -s step[us) ]



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Bind on the last cpu. (shortcut for -c <lastcpu>)

-r prio

Add an RT task with given prio to stress system

-c cpulist

Comma/hyphen separated list of CPUs to run deadline tasks on

-i interval

The shortest deadline for the tasks

-p percent

The percent of bandwidth to use (1-90%)

-P percent

The percent of runtime for execution completion
             (Default 100%)

-t threads

The number of threads to run as deadline (default 1)

-s step(us)

The amount to increase the deadline for each task (default 500us)


Deadline test was written by Steven Rostedt <>

This manual page was written by John Kacur <>


November 1, 2018