1 # perf bash and zsh completion
2 # SPDX-License-Identifier: GPL-2.0
3
4 # Taken from git.git's completion script.
5 __my_reassemble_comp_words_by_ref()
6 {
7 local exclude i j first
8 # Which word separators to exclude?
9 exclude="${1//[^$COMP_WORDBREAKS]}"
10 cword_=$COMP_CWORD
11 if [ -z "$exclude" ]; then
12 words_=("${COMP_WORDS[@]}")
13 return
14 fi
15 # List of word completion separators h
16 # re-assemble words to complete.
17 for ((i=0, j=0; i < ${#COMP_WORDS[@]};
18 # Append each nonempty word co
19 # word separator characters to
20 first=t
21 while
22 [ $i -gt 0 ] &&
23 [ -n "${COMP_WORDS[$i]
24 # word consists of exc
25 [ "${COMP_WORDS[$i]//[
26 do
27 # Attach to the previo
28 # unless the previous
29 if [ $j -ge 2 ] && [ -
30 ((j--))
31 fi
32 first=
33 words_[$j]=${words_[j]
34 if [ $i = $COMP_CWORD
35 cword_=$j
36 fi
37 if (($i < ${#COMP_WORD
38 ((i++))
39 else
40 # Done.
41 return
42 fi
43 done
44 words_[$j]=${words_[j]}${COMP_
45 if [ $i = $COMP_CWORD ]; then
46 cword_=$j
47 fi
48 done
49 }
50
51 # Define preload_get_comp_words_by_ref="false"
52 # __perf_get_comp_words_by_ref() is required i
53 preload_get_comp_words_by_ref="true"
54
55 if [ $preload_get_comp_words_by_ref = "true" ]
56 type _get_comp_words_by_ref &>/dev/nul
57 preload_get_comp_words_by_ref="false"
58 fi
59 [ $preload_get_comp_words_by_ref = "true" ] ||
60 __perf_get_comp_words_by_ref()
61 {
62 local exclude cur_ words_ cword_
63 if [ "$1" = "-n" ]; then
64 exclude=$2
65 shift 2
66 fi
67 __my_reassemble_comp_words_by_ref "$ex
68 cur_=${words_[cword_]}
69 while [ $# -gt 0 ]; do
70 case "$1" in
71 cur)
72 cur=$cur_
73 ;;
74 prev)
75 prev=${words_[$cword_-
76 ;;
77 words)
78 words=("${words_[@]}")
79 ;;
80 cword)
81 cword=$cword_
82 ;;
83 esac
84 shift
85 done
86 }
87
88 # Define preload__ltrim_colon_completions="fal
89 # __perf__ltrim_colon_completions() is require
90 preload__ltrim_colon_completions="true"
91
92 if [ $preload__ltrim_colon_completions = "true
93 type __ltrim_colon_completions &>/dev/
94 preload__ltrim_colon_completions="fals
95 fi
96 [ $preload__ltrim_colon_completions = "true" ]
97 __perf__ltrim_colon_completions()
98 {
99 if [[ "$1" == *:* && "$COMP_WORDBREAKS
100 # Remove colon-word prefix fro
101 local colon_word=${1%"${1##*:}
102 local i=${#COMPREPLY[*]}
103 while [[ $((--i)) -ge 0 ]]; do
104 COMPREPLY[$i]=${COMPRE
105 done
106 fi
107 }
108
109 __perfcomp ()
110 {
111 # Expansion of spaces to array is deli
112 # shellcheck disable=SC2207
113 COMPREPLY=( $( compgen -W "$1" -- "$2"
114 }
115
116 __perfcomp_colon ()
117 {
118 __perfcomp "$1" "$2"
119 if [ $preload__ltrim_colon_completions
120 __ltrim_colon_completions $cur
121 else
122 __perf__ltrim_colon_completion
123 fi
124 }
125
126 __perf_prev_skip_opts ()
127 {
128 local i cmd_ cmds_
129
130 let i=cword-1
131 cmds_=$($cmd $1 --list-cmds)
132 prev_skip_opts=""
133 while [ $i -ge 0 ]; do
134 if [[ ${words[i]} == "$1" ]];
135 return
136 fi
137 for cmd_ in $cmds_; do
138 if [[ ${words[i]} == "
139 prev_skip_opts
140 return
141 fi
142 done
143 ((i--))
144 done
145 }
146
147 __perf_main ()
148 {
149 local cmd
150
151 cmd=${words[0]}
152 COMPREPLY=()
153
154 # Skip options backward and find the l
155 __perf_prev_skip_opts
156 # List perf subcommands or long option
157 if [ -z $prev_skip_opts ]; then
158 if [[ $cur == --* ]]; then
159 cmds=$($cmd --list-opt
160 else
161 cmds=$($cmd --list-cmd
162 fi
163 __perfcomp "$cmds" "$cur"
164 # List possible events for -e option
165 elif [[ $prev == @("-e"|"--event") &&
166 $prev_skip_opts == @(record|st
167
168 local cur1=${COMP_WORDS[COMP_C
169 local raw_evts
170 local arr s tmp result cpu_evt
171
172 raw_evts=$($cmd list --raw-dum
173 # aarch64 doesn't have /sys/bu
174 if [[ `uname -m` != aarch64 ]]
175 cpu_evts=$(ls /sys/bus
176 fi
177
178 if [[ "$cur1" == */* && ${cur1
179 OLD_IFS="$IFS"
180 IFS=" "
181 # Expansion of spaces
182 # shellcheck disable=S
183 arr=($raw_evts)
184 IFS="$OLD_IFS"
185
186 for s in "${arr[@]}"
187 do
188 if [[ "$s" ==
189 tmp=${
190 result
191 else
192 result
193 fi
194 done
195
196 evts=${result}" "${cpu
197 else
198 evts=${raw_evts}" "${c
199 fi
200
201 if [[ "$cur1" == , ]]; then
202 __perfcomp_colon "$evt
203 else
204 __perfcomp_colon "$evt
205 fi
206 elif [[ $prev == @("--pfm-events") &&
207 $prev_skip_opts == @(record|st
208 local evts
209 evts=$($cmd list --raw-dump pf
210 __perfcomp "$evts" "$cur"
211 elif [[ $prev == @("-M"|"--metrics") &
212 $prev_skip_opts == @(stat) ]];
213 local metrics
214 metrics=$($cmd list --raw-dump
215 __perfcomp "$metrics" "$cur"
216 else
217 # List subcommands for perf co
218 if [[ $prev_skip_opts == @(kvm
219 |data|help|script|test
220 subcmds=$($cmd $prev_s
221 __perfcomp_colon "$sub
222 fi
223 # List long option names
224 if [[ $cur == --* ]]; then
225 subcmd=$prev_skip_opts
226 __perf_prev_skip_opts
227 subcmd=$subcmd" "$prev
228 opts=$($cmd $subcmd --
229 __perfcomp "$opts" "$c
230 fi
231 fi
232 }
233
234 if [[ -n ${ZSH_VERSION-} ]]; then
235 autoload -U +X compinit && compinit
236
237 __perfcomp ()
238 {
239 emulate -L zsh
240
241 local c IFS=$' \t\n'
242 local -a array
243
244 for c in ${=1}; do
245 case $c in
246 --*=*|*.) ;;
247 *) c="$c " ;;
248 esac
249 array[${#array[@]}+1]=
250 done
251
252 compset -P '*[=:]'
253 compadd -Q -S '' -a -- array &
254 }
255
256 __perfcomp_colon ()
257 {
258 emulate -L zsh
259
260 local cur_="${2-$cur}"
261 local c IFS=$' \t\n'
262 local -a array
263
264 if [[ "$cur_" == *:* ]]; then
265 local colon_word=${cur
266 fi
267
268 for c in ${=1}; do
269 case $c in
270 --*=*|*.) ;;
271 *) c="$c " ;;
272 esac
273 array[$#array+1]=${c#"
274 done
275
276 compset -P '*[=:]'
277 compadd -Q -S '' -a -- array &
278 }
279
280 _perf ()
281 {
282 local _ret=1 cur cword prev
283 cur=${words[CURRENT]}
284 prev=${words[CURRENT-1]}
285 let cword=CURRENT-1
286 emulate ksh -c __perf_main
287 let _ret && _default && _ret=0
288 # _ret is only assigned 0 or 1
289 # shellcheck disable=SC2152
290 return _ret
291 }
292
293 compdef _perf perf
294 return
295 fi
296
297 type perf &>/dev/null &&
298 _perf()
299 {
300 if [[ "$COMP_WORDBREAKS" != *,* ]]; th
301 COMP_WORDBREAKS="${COMP_WORDBR
302 export COMP_WORDBREAKS
303 fi
304
305 if [[ "$COMP_WORDBREAKS" == *:* ]]; th
306 COMP_WORDBREAKS="${COMP_WORDBR
307 export COMP_WORDBREAKS
308 fi
309
310 local cur words cword prev
311 if [ $preload_get_comp_words_by_ref =
312 _get_comp_words_by_ref -n =:,
313 else
314 __perf_get_comp_words_by_ref -
315 fi
316 __perf_main
317 } &&
318
319 complete -o bashdefault -o default -o nospace
320 || complete -o default -o nospace -F _
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