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strace-many.sh
#!/bin/bash
SCRIPT_PATH="$0"
SCRIPT_NAME="$(basename $0)"
function __get_list() {
SEARCH_TERM="$1"
LIST=$(ps -ef | grep "${SEARCH_TERM}" | awk '{print $2}')
echo "${LIST}"
}
function __usage() {
cat <<EOF
${SCRIPT_NAME} {search-term} {strace args}...
search-term Anything that should show up in "$ ps -ef"
strace-args Any number of strace args (for example, '-f')
EOF
}
function __cleanup() {
OUTPUT_DIR="$1"
# Todo: Delete this automatically with like, read -p
# Also, need to name the process somehow. Random in /tmp/ isnt so awesome
cat <<EOF
WARNING: While you're all done tracking, we saved all that output to "${OUTPUT_DIR}" just in case we missed something
and needed to go and have a look. If you don't need it, clean it up with
rm -rf "${OUTPUT_DIR}"
EOF
}
# Uses sudo to escalate privileges if required
function __privesc() {
CMD_PRIVESC=""
if [[ $(id -u) != 0 ]]; then
CMD_PRIVESC="sudo "
fi
$CMD_PRIVESC $@
}
main() {
QUERY="$1"
STRACE_ARGS=${@:2}
if [[ -z "${QUERY}" ]]; then
__usage;
exit 1;
fi;
STRACE_PROCESSES=()
TMP_DIRECTORY=$(mktemp -d)
trap "for PID in ${STRACE_PROCESSES[@]}; do kill $PID; done; __cleanup '${TMP_DIRECTORY}'" SIGINT SIGTERM SIGKILL
for PROCESS in $(__get_list "${QUERY}"); do
__privesc strace -p $PROCESS ${STRACE_ARGS} 2> "${TMP_DIRECTORY}/${PROCESS}.strace" &
STRACE_PROCESSES+=($!)
done;
tail -f ${TMP_DIRECTORY}/*
}
main ${@:1}
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