---
name: "deadline_test"
section: "8"
platform: "linux"
package: "rt-tests"
version: "2.11-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/deadline_test"
---

# deadline\_test(8)

High resolution test program

\# SPDX-License-Identifier: GPL-2.0-only

## NAME

deadline\_test - High resolution test program

## DESCRIPTION

This program is used to test the deadline scheduler (SCHED\_DEADLINE tasks)

## SYNOPSIS

**deadline\_test** \[ -hb \] \[ -c CPUSET \] \[ -i INTV \] \[ -p PERCENT \] \[ -P PERCENT \] \[ -r PRIO \]  \[ -s STEP \] \[ -t NUM \]

## OPTIONS

- **-b**

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

- **-c CPUSET**

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

- **-h**

  Show this help menu\

- **-i INTV**

  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%)\

- **-r PRIO**

  Add an RT task with given prio to stress system\

- **-s STEP**

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

- **-t NUM**

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

## AUTHOR

Deadline test was written by Steven Rostedt \<rostedt@goodmis.org\>

This manual page was written by John Kacur \<jkacur@redhat.com\>