1 # perf bash and zsh completion
2 # SPDX-License-Identifier: GPL-2.0
4 # Taken from git.git's completion script.
5 __my_reassemble_comp_words_by_ref()
7 local exclude i j first
8 # Which word separators to exclude?
9 exclude="${1//[^$COMP_WORDBREAKS]}"
11 if [ -z "$exclude" ]; then
12 words_=("${COMP_WORDS[@]}")
15 # List of word completion separators has shrunk;
16 # re-assemble words to complete.
17 for ((i=0, j=0; i < ${#COMP_WORDS[@]}; i++, j++)); do
18 # Append each nonempty word consisting of just
19 # word separator characters to the current word.
23 [ -n "${COMP_WORDS[$i]}" ] &&
24 # word consists of excluded word separators
25 [ "${COMP_WORDS[$i]//[^$exclude]}" = "${COMP_WORDS[$i]}" ]
27 # Attach to the previous token,
28 # unless the previous token is the command name.
29 if [ $j -ge 2 ] && [ -n "$first" ]; then
33 words_[$j]=${words_[j]}${COMP_WORDS[i]}
34 if [ $i = $COMP_CWORD ]; then
37 if (($i < ${#COMP_WORDS[@]} - 1)); then
44 words_[$j]=${words_[j]}${COMP_WORDS[i]}
45 if [ $i = $COMP_CWORD ]; then
51 # Define preload_get_comp_words_by_ref="false", if the function
52 # __perf_get_comp_words_by_ref() is required instead.
53 preload_get_comp_words_by_ref="true"
55 if [ $preload_get_comp_words_by_ref = "true" ]; then
56 type _get_comp_words_by_ref &>/dev/null ||
57 preload_get_comp_words_by_ref="false"
59 [ $preload_get_comp_words_by_ref = "true" ] ||
60 __perf_get_comp_words_by_ref()
62 local exclude cur_ words_ cword_
63 if [ "$1" = "-n" ]; then
67 __my_reassemble_comp_words_by_ref "$exclude"
68 cur_=${words_[cword_]}
69 while [ $# -gt 0 ]; do
75 prev=${words_[$cword_-1]}
78 words=("${words_[@]}")
88 # Define preload__ltrim_colon_completions="false", if the function
89 # __perf__ltrim_colon_completions() is required instead.
90 preload__ltrim_colon_completions="true"
92 if [ $preload__ltrim_colon_completions = "true" ]; then
93 type __ltrim_colon_completions &>/dev/null ||
94 preload__ltrim_colon_completions="false"
96 [ $preload__ltrim_colon_completions = "true" ] ||
97 __perf__ltrim_colon_completions()
99 if [[ "$1" == *:* && "$COMP_WORDBREAKS" == *:* ]]; then
100 # Remove colon-word prefix from COMPREPLY items
101 local colon_word=${1%"${1##*:}"}
102 local i=${#COMPREPLY[*]}
103 while [[ $((--i)) -ge 0 ]]; do
104 COMPREPLY[$i]=${COMPREPLY[$i]#"$colon_word"}
111 COMPREPLY=( $( compgen -W "$1" -- "$2" ) )
117 if [ $preload__ltrim_colon_completions = "true" ]; then
118 __ltrim_colon_completions $cur
120 __perf__ltrim_colon_completions $cur
124 __perf_prev_skip_opts ()
129 cmds_=$($cmd $1 --list-cmds)
131 while [ $i -ge 0 ]; do
132 if [[ ${words[i]} == $1 ]]; then
135 for cmd_ in $cmds_; do
136 if [[ ${words[i]} == $cmd_ ]]; then
137 prev_skip_opts=${words[i]}
152 # Skip options backward and find the last perf command
153 __perf_prev_skip_opts
154 # List perf subcommands or long options
155 if [ -z $prev_skip_opts ]; then
156 if [[ $cur == --* ]]; then
157 cmds=$($cmd --list-opts)
159 cmds=$($cmd --list-cmds)
161 __perfcomp "$cmds" "$cur"
162 # List possible events for -e option
163 elif [[ $prev == @("-e"|"--event") &&
164 $prev_skip_opts == @(record|stat|top) ]]; then
165 evts=$($cmd list --raw-dump)
166 __perfcomp_colon "$evts" "$cur"
168 # List subcommands for perf commands
169 if [[ $prev_skip_opts == @(kvm|kmem|mem|lock|sched|
170 |data|help|script|test|timechart|trace) ]]; then
171 subcmds=$($cmd $prev_skip_opts --list-cmds)
172 __perfcomp_colon "$subcmds" "$cur"
174 # List long option names
175 if [[ $cur == --* ]]; then
176 subcmd=$prev_skip_opts
177 __perf_prev_skip_opts $subcmd
178 subcmd=$subcmd" "$prev_skip_opts
179 opts=$($cmd $subcmd --list-opts)
180 __perfcomp "$opts" "$cur"
185 if [[ -n ${ZSH_VERSION-} ]]; then
186 autoload -U +X compinit && compinit
200 array[${#array[@]}+1]="$c"
204 compadd -Q -S '' -a -- array && _ret=0
211 local cur_="${2-$cur}"
215 if [[ "$cur_" == *:* ]]; then
216 local colon_word=${cur_%"${cur_##*:}"}
224 array[$#array+1]=${c#"$colon_word"}
228 compadd -Q -S '' -a -- array && _ret=0
233 local _ret=1 cur cword prev
234 cur=${words[CURRENT]}
235 prev=${words[CURRENT-1]}
237 emulate ksh -c __perf_main
238 let _ret && _default && _ret=0
246 type perf &>/dev/null &&
249 local cur words cword prev
250 if [ $preload_get_comp_words_by_ref = "true" ]; then
251 _get_comp_words_by_ref -n =: cur words cword prev
253 __perf_get_comp_words_by_ref -n =: cur words cword prev
258 complete -o bashdefault -o default -o nospace -F _perf perf 2>/dev/null \
259 || complete -o default -o nospace -F _perf perf