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-rw-r--r--tools/perf/perf-completion.sh94
1 files changed, 73 insertions, 21 deletions
diff --git a/tools/perf/perf-completion.sh b/tools/perf/perf-completion.sh
index 33569847fdcc..3ba80b2359cc 100644
--- a/tools/perf/perf-completion.sh
+++ b/tools/perf/perf-completion.sh
@@ -47,8 +47,16 @@ __my_reassemble_comp_words_by_ref()
done
}
-type _get_comp_words_by_ref &>/dev/null ||
-_get_comp_words_by_ref()
+# Define preload_get_comp_words_by_ref="false", if the function
+# __perf_get_comp_words_by_ref() is required instead.
+preload_get_comp_words_by_ref="true"
+
+if [ $preload_get_comp_words_by_ref = "true" ]; then
+ type _get_comp_words_by_ref &>/dev/null ||
+ preload_get_comp_words_by_ref="false"
+fi
+[ $preload_get_comp_words_by_ref = "true" ] ||
+__perf_get_comp_words_by_ref()
{
local exclude cur_ words_ cword_
if [ "$1" = "-n" ]; then
@@ -76,8 +84,16 @@ _get_comp_words_by_ref()
done
}
-type __ltrim_colon_completions &>/dev/null ||
-__ltrim_colon_completions()
+# Define preload__ltrim_colon_completions="false", if the function
+# __perf__ltrim_colon_completions() is required instead.
+preload__ltrim_colon_completions="true"
+
+if [ $preload__ltrim_colon_completions = "true" ]; then
+ type __ltrim_colon_completions &>/dev/null ||
+ preload__ltrim_colon_completions="false"
+fi
+[ $preload__ltrim_colon_completions = "true" ] ||
+__perf__ltrim_colon_completions()
{
if [[ "$1" == *:* && "$COMP_WORDBREAKS" == *:* ]]; then
# Remove colon-word prefix from COMPREPLY items
@@ -97,7 +113,32 @@ __perfcomp ()
__perfcomp_colon ()
{
__perfcomp "$1" "$2"
- __ltrim_colon_completions $cur
+ if [ $preload__ltrim_colon_completions = "true" ]; then
+ __ltrim_colon_completions $cur
+ else
+ __perf__ltrim_colon_completions $cur
+ fi
+}
+
+__perf_prev_skip_opts ()
+{
+ local i cmd_ cmds_
+
+ let i=cword-1
+ cmds_=$($cmd $1 --list-cmds)
+ prev_skip_opts=()
+ while [ $i -ge 0 ]; do
+ if [[ ${words[i]} == $1 ]]; then
+ return
+ fi
+ for cmd_ in $cmds_; do
+ if [[ ${words[i]} == $cmd_ ]]; then
+ prev_skip_opts=${words[i]}
+ return
+ fi
+ done
+ ((i--))
+ done
}
__perf_main ()
@@ -107,29 +148,36 @@ __perf_main ()
cmd=${words[0]}
COMPREPLY=()
+ # Skip options backward and find the last perf command
+ __perf_prev_skip_opts
# List perf subcommands or long options
- if [ $cword -eq 1 ]; then
+ if [ -z $prev_skip_opts ]; then
if [[ $cur == --* ]]; then
- __perfcomp '--help --version \
- --exec-path --html-path --paginate --no-pager \
- --perf-dir --work-tree --debugfs-dir' -- "$cur"
+ cmds=$($cmd --list-opts)
else
cmds=$($cmd --list-cmds)
- __perfcomp "$cmds" "$cur"
fi
+ __perfcomp "$cmds" "$cur"
# List possible events for -e option
- elif [[ $prev == "-e" && "${words[1]}" == @(record|stat|top) ]]; then
+ elif [[ $prev == @("-e"|"--event") &&
+ $prev_skip_opts == @(record|stat|top) ]]; then
evts=$($cmd list --raw-dump)
__perfcomp_colon "$evts" "$cur"
- # List subcommands for perf commands
- elif [[ $prev == @(kvm|kmem|mem|lock|sched) ]]; then
- subcmds=$($cmd $prev --list-cmds)
- __perfcomp_colon "$subcmds" "$cur"
- # List long option names
- elif [[ $cur == --* ]]; then
- subcmd=${words[1]}
- opts=$($cmd $subcmd --list-opts)
- __perfcomp "$opts" "$cur"
+ else
+ # List subcommands for perf commands
+ if [[ $prev_skip_opts == @(kvm|kmem|mem|lock|sched|
+ |data|help|script|test|timechart|trace) ]]; then
+ subcmds=$($cmd $prev_skip_opts --list-cmds)
+ __perfcomp_colon "$subcmds" "$cur"
+ fi
+ # List long option names
+ if [[ $cur == --* ]]; then
+ subcmd=$prev_skip_opts
+ __perf_prev_skip_opts $subcmd
+ subcmd=$subcmd" "$prev_skip_opts
+ opts=$($cmd $subcmd --list-opts)
+ __perfcomp "$opts" "$cur"
+ fi
fi
}
@@ -198,7 +246,11 @@ type perf &>/dev/null &&
_perf()
{
local cur words cword prev
- _get_comp_words_by_ref -n =: cur words cword prev
+ if [ $preload_get_comp_words_by_ref = "true" ]; then
+ _get_comp_words_by_ref -n =: cur words cword prev
+ else
+ __perf_get_comp_words_by_ref -n =: cur words cword prev
+ fi
__perf_main
} &&