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trace-cmd.bash
show_instances() { local cur="$1" local bufs=$(trace-cmd list -B) if [ "$bufs" == "No buffer instances defined" ]; then return 0 fi COMPREPLY=( $(compgen -W "${bufs}" -- "${cur}") ) return 0 } show_virt() { local cur="$1" if ! which virsh &>/dev/null; then return 1 fi local virt=`virsh list | awk '/^ *[0-9]/ { print $2 }'` COMPREPLY=( $(compgen -W "${virt}" -- "${cur}") ) return 0 } show_options() { local cur="$1" local options=$(trace-cmd list -o | sed -e 's/^\(no\)*\(.*\)/\2 no\2/') COMPREPLY=( $(compgen -W "${options}" -- "${cur}") ) return 0 } __show_files() { COMPREPLY=( $(compgen -f -- "$cur") ) if [ ${#COMPREPLY[@]} -gt 1 ]; then return 0; fi # directories get '/' instead of space DIRS=( $(compgen -d -- "$cur")) if [ ${#DIRS[@]} -eq 1 ]; then compopt -o nospace COMPREPLY="$DIRS/" return 0; fi return 0 } cmd_options() { local type="$1" local cur="$2" local cmds=$(trace-cmd $type -h 2>/dev/null|grep "^ *-" | \ sed -e 's/ *\(-[^ ]*\).*/\1/') COMPREPLY=( $(compgen -W "${cmds}" -- "${cur}") ) if [ ${#COMPREPLY[@]} -eq 0 ]; then __show_files "${cur}" fi } plugin_options() { local cur="$1" local opts=$(trace-cmd list -O | sed -ne 's/option://p') COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") ) } compression_param() { local opts=$(trace-cmd list -c | grep -v 'Supported' | cut -d "," -f1) opts+=" any none " COMPREPLY=( $(compgen -W "${opts}") ) } __trace_cmd_list_complete() { local prev=$1 local cur=$2 shift 2 local words=("$@") case "$prev" in list) local cmds=$(trace-cmd list -h |egrep "^ {10}-" | \ sed -e 's/.*\(-.\).*/\1/') COMPREPLY=( $(compgen -W "${cmds}" -- "${cur}") ) ;; *) size=${#words[@]} if [ $size -gt 3 ]; then if [ "$cur" == "-" ]; then let size=$size-3 else let size=$size-2 fi local w="${words[$size]}" if [ "$w" == "-e" ]; then local cmds=$(trace-cmd list -h |egrep "^ {12}-" | \ sed -e 's/.*\(-.\).*/\1/') COMPREPLY=( $(compgen -W "${cmds}" -- "${cur}") ) fi fi ;; esac } __trace_cmd_show_complete() { local prev=$1 local cur=$2 shift 2 local words=("$@") case "$prev" in -B) show_instances "$cur" ;; *) cmd_options show "$cur" ;; esac } __trace_cmd_extract_complete() { local prev=$1 local cur=$2 shift 2 local words=("$@") case "$prev" in extract) cmd_options "$prev" "$cur" ;; -B) show_instances "$cur" ;; *) __show_files ;; esac } __trace_cmd_record_complete() { local prev=$1 local cur=$2 shift 2 local words=("$@") case "$prev" in -e) local list=$(trace-cmd list -e "$cur") local prefix=${cur%%:*} if [ -z "$cur" -o "$cur" != "$prefix" ]; then COMPREPLY=( $(compgen -W "all ${list}" -- "${cur}") ) else local events=$(for e in $list; do echo ${e/*:/}; done | sort -u) local systems=$(for s in $list; do echo ${s/:*/:}; done | sort -u) COMPREPLY=( $(compgen -W "all ${events} ${systems}" -- "${cur}") ) fi # This is still to handle the "*:*" special case if [[ -n "$prefix" ]]; then local reply_n=${#COMPREPLY[*]} for (( i = 0; i < $reply_n; i++)); do COMPREPLY[$i]=${COMPREPLY[i]##${prefix}:} done fi ;; -p) local plugins=$(trace-cmd list -p) COMPREPLY=( $(compgen -W "${plugins}" -- "${cur}" ) ) ;; -l|-n|-g) # This is extremely slow still (may take >1sec). local funcs=$(trace-cmd list -f | sed 's/ .*//') COMPREPLY=( $(compgen -W "${funcs}" -- "${cur}") ) ;; -B) show_instances "$cur" ;; -O) show_options "$cur" ;; -A) if ! show_virt "$cur"; then cmd_options record "$cur" fi ;; --compression) compression_param ;; *) # stream start and profile do not show all options cmd_options record "$cur" ;; esac } __trace_cmd_report_complete() { local prev=$1 local cur=$2 shift 2 local words=("$@") case "$prev" in -O) plugin_options "$cur" ;; *) cmd_options report "$cur" ;; esac } __trace_cmd_dump_complete() { local prev=$1 local cur=$2 shift 2 local words=("$@") case "$prev" in -i) __show_files ;; *) cmd_options dump "$cur" ;; esac } __trace_cmd_convert_complete() { local prev=$1 local cur=$2 shift 2 local words=("$@") case "$prev" in -i) __show_files ;; -o) __show_files ;; --compression) compression_param ;; *) cmd_options convert "$cur" ;; esac } __show_command_options() { local command="$1" local prev="$2" local cur="$3" local cmds=( $(trace-cmd --help 2>/dev/null | \ grep " - " | sed 's/^ *//; s/ -.*//') ) for cmd in ${cmds[@]}; do if [ $cmd == "$command" ]; then local opts=$(trace-cmd $cmd -h 2>/dev/null|grep "^ *-" | \ sed -e 's/ *\(-[^ ]*\).*/\1/') if [ "$prev" == "-B" ]; then for opt in ${opts[@]}; do if [ "$opt" == "-B" ]; then show_instances "$cur" return 0 fi done fi COMPREPLY=( $(compgen -W "${opts}" -- "$cur")) break fi done if [ ${#COMPREPLY[@]} -eq 0 ]; then __show_files "${cur}" fi } _trace_cmd_complete() { local cur="" local prev="" local words=() # Not to use COMP_WORDS to avoid buggy behavior of Bash when # handling with words including ":", like: # # prev="${COMP_WORDS[COMP_CWORD-1]}" # cur="${COMP_WORDS[COMP_CWORD]}" # # Instead, we use _get_comp_words_by_ref() magic. _get_comp_words_by_ref -n : cur prev words if [ "$prev" == "trace-cmd" ]; then local cmds=$(trace-cmd --help 2>/dev/null | \ grep " - " | sed 's/^ *//; s/ -.*//') COMPREPLY=( $(compgen -W "${cmds}" -- "${cur}") ) return; fi local w="${words[1]}" case "$w" in list) __trace_cmd_list_complete "${prev}" "${cur}" ${words[@]} return 0 ;; show) __trace_cmd_show_complete "${prev}" "${cur}" ${words[@]} return 0 ;; extract) __trace_cmd_extract_complete "${prev}" "${cur}" ${words[@]} return 0 ;; record|stream|start|profile) __trace_cmd_record_complete "${prev}" "${cur}" ${words[@]} return 0 ;; report) __trace_cmd_report_complete "${prev}" "${cur}" ${words[@]} return 0 ;; dump) __trace_cmd_dump_complete "${prev}" "${cur}" ${words[@]} return 0 ;; convert) __trace_cmd_convert_complete "${prev}" "${cur}" ${words[@]} return 0 ;; *) __show_command_options "$w" "${prev}" "${cur}" ;; esac } complete -F _trace_cmd_complete trace-cmd
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