tools/perf/bash_completion

   1 # perf completion
   2
   3 function_exists()
   4 {
   5         declare -F $1 > /dev/null
   6         return $?
   7 }
   8
   9 function_exists __ltrim_colon_completions ||
  10 __ltrim_colon_completions()
  11 {
  12         if [[ "$1" == *:* && "$COMP_WORDBREAKS" == *:* ]]; then
  13                 # Remove colon-word prefix from COMPREPLY items
  14                 local colon_word=${1%${1##*:}}
  15                 local i=${#COMPREPLY[*]}
  16                 while [[ $((--i)) -ge 0 ]]; do
  17                         COMPREPLY[$i]=${COMPREPLY[$i]#"$colon_word"}
  18                 done
  19         fi
  20 }
  21
  22 have perf &&
  23 _perf()
  24 {
  25         local cur prev cmd
  26
  27         COMPREPLY=()
  28         if function_exists _get_comp_words_by_ref; then
  29                 _get_comp_words_by_ref -n : cur prev
  30         else
  31                 cur=$(_get_cword :)
  32                 prev=${COMP_WORDS[COMP_CWORD-1]}
  33         fi
  34
  35         cmd=${COMP_WORDS[0]}
  36
  37         # List perf subcommands or long options
  38         if [ $COMP_CWORD -eq 1 ]; then
  39                 if [[ $cur == --* ]]; then
  40                         COMPREPLY=( $( compgen -W '--help --version \
  41                         --exec-path --html-path --paginate --no-pager \
  42                         --perf-dir --work-tree --debugfs-dir' -- "$cur" ) )
  43                 else
  44                         cmds=$($cmd --list-cmds)
  45                         COMPREPLY=( $( compgen -W '$cmds' -- "$cur" ) )
  46                 fi
  47         # List possible events for -e option
  48         elif [[ $prev == "-e" && "${COMP_WORDS[1]}" == @(record|stat|top) ]]; then
  49                 evts=$($cmd list --raw-dump)
  50                 COMPREPLY=( $( compgen -W '$evts' -- "$cur" ) )
  51                 __ltrim_colon_completions $cur
  52         # List long option names
  53         elif [[ $cur == --* ]];  then
  54                 subcmd=${COMP_WORDS[1]}
  55                 opts=$($cmd $subcmd --list-opts)
  56                 COMPREPLY=( $( compgen -W '$opts' -- "$cur" ) )
  57         # Fall down to list regular files
  58         else
  59                 _filedir
  60         fi
  61 } &&
  62 complete -F _perf perf