diff options
Diffstat (limited to 'tracecmd/trace-cmd.bash')
| -rw-r--r-- | tracecmd/trace-cmd.bash | 345 |
1 files changed, 345 insertions, 0 deletions
diff --git a/tracecmd/trace-cmd.bash b/tracecmd/trace-cmd.bash new file mode 100644 index 00000000..66bd6f4b --- /dev/null +++ b/tracecmd/trace-cmd.bash @@ -0,0 +1,345 @@ +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 |