/usr/share/bash-completion/completions/ionice is in util-linux 2.31.1-0.4ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 | _ionice_module()
{
local cur prev OPTS
COMPREPLY=()
cur="${COMP_WORDS[COMP_CWORD]}"
prev="${COMP_WORDS[COMP_CWORD-1]}"
case $prev in
'-c'|'--class')
COMPREPLY=( $(compgen -W "{0..3} none realtime best-effort idle" -- $cur) )
return 0
;;
'-n'|'--classdata')
COMPREPLY=( $(compgen -W "{0..7}" -- $cur) )
return 0
;;
'-P'|'--pgid')
local PGID
PGID="$(awk '{print $5}' /proc/*/stat 2>/dev/null | sort -u)"
COMPREPLY=( $(compgen -W "$PGID" -- $cur) )
return 0
;;
'-p'|'--pid')
local PIDS
PIDS=$(for I in /proc/[0-9]*; do echo ${I##"/proc/"}; done)
COMPREPLY=( $(compgen -W "$PIDS" -- $cur) )
return 0
;;
'-u'|'--uid')
local UIDS
UIDS="$(stat --format='%u' /proc/[0-9]* | sort -u)"
COMPREPLY=( $(compgen -W "$UIDS" -- $cur) )
return 0
;;
'-h'|'--help'|'-V'|'--version')
return 0
;;
esac
case $cur in
-*)
OPTS="--class --classdata --pid --pgid --ignore --uid --version --help"
COMPREPLY=( $(compgen -W "${OPTS[*]}" -- $cur) )
return 0
;;
esac
local IFS=$'\n'
compopt -o filenames
COMPREPLY=( $(compgen -f -- $cur) )
return 0
}
complete -F _ionice_module ionice
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