---
name: "rtkitctl"
section: "8"
platform: "linux"
package: "rtkit"
version: "0.14-2"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/rtkitctl"
---

# rtkitctl(8)

Realtime Policy and Watchdog daemon control

## NAME

rtkitctl - Realtime Policy and Watchdog daemon control

## SYNOPSIS

**rtkitctl** \[*options*\]

## DESCRIPTION

**RealtimeKit** is a D-Bus system service that changes the scheduling policy of user processes/threads to SCHED\_RR (i.e. realtime scheduling mode) on request. It is intended to be used as a secure mechanism to allow real-time scheduling to be used by normal user processes.

## OPTIONS

- **-h, --help**

  Show a summary of options.

- **--version**

  Show version.

- **--reset-known**

  Reset real-time status of known threads.

- **--reset-all**

  Reset real-time status of all threads.

- **--suspend**

  Temporarily reset real-time status of known threads.

- **--resume**

  Restore real-time status of known threads temporarily reset by suspend.

- **--start**

  Start RealtimeKit if it is not running already.

- **-k, --exit**

  Terminate running RealtimeKit daemon.

## AUTHOR

RealtimeKit was written by Lennart Poettering \<lennart@poettering.net\>.
