DEADLINE_TEST(8)

📦
version 2.11 · 2 versions
, in arch rolling, centos-stream 10, centos-stream 9, fedora 43, fedora 44, nixos 26.05, nixpkgs unstable, opensuse-leap 16.0, ubuntu resolute, ubuntu stonking

✨ DEADLINE_TEST(8) ✨

okay so bestie, welcome to the System Manager's Manual page for deadline_test 💅 yes it's section 8, yes it's a big deal, and yes I'm about to make you obsessed with the deadline scheduler. buckle up 🎀

🌸 NAME 🌸

deadline_test — High resolution test program 🦋

💖 DESCRIPTION 💖

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

like. it's literally the vibe-check tool for deadline tasks. that's the whole point of it. periodt.

🌈 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>) 🫶 like, it's giving lazy-girl convenience, and honestly? valid.
  • -c CPUSET — Comma/hyphen separated list of CPUs to run deadline tasks on 💜
  • -h — Show this help menu 🌸 a little "hi bestie here's what I do"
  • -i INTV — The shortest deadline for the tasks ⏰ the tightest deadline in the whole squad, no cap
  • -p PERCENT — The percent of bandwidth to use (1-90%) 🔥 note that range, she's strict
  • -P PERCENT — The percent of runtime for execution completion (default 100%) ✨
  • -r PRIO — Add an RT task with given prio to stress system 😭 it's here to cause problems on purpose (for science)
  • -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> 🫶

💜 SEE ALSO 💜

hmm, there aren't any SEE ALSO refs on this one bestie — she's a standalone icon, iykyk 💅

and one last thing, the legal crumbs because we respect them: <red>SPDX-License-Identifier: GPL-2.0-only</red> — protect the license, always 🎀

this page was living its best life under the System Manager's Manual banner on November 1, 2018, and it's still serving DEADLINE_TEST(8) energy to this very day 🌟 mwah, go schedule something iconic 💖

📦 where this page comes from