| 1 | #!/bin/bash -exu |
| 2 | # |
| 3 | # Copyright (C) 2018 - Jonathan Rajotte-Julien <jonathan.rajotte-julien@efficios.com> |
| 4 | # |
| 5 | # This program is free software: you can redistribute it and/or modify |
| 6 | # it under the terms of the GNU General Public License as published by |
| 7 | # the Free Software Foundation, either version 3 of the License, or |
| 8 | # (at your option) any later version. |
| 9 | # |
| 10 | # This program is distributed in the hope that it will be useful, |
| 11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | # GNU General Public License for more details. |
| 14 | # |
| 15 | # You should have received a copy of the GNU General Public License |
| 16 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 17 | |
| 18 | PGREP=pgrep |
| 19 | pids="" |
| 20 | dependencies="" |
| 21 | file_list=$(mktemp) |
| 22 | ret=0 |
| 23 | |
| 24 | lttng_processes="$("$PGREP" -l 'lttng|gen-ust-.+')" || true |
| 25 | if [ ! -z "$lttng_processes" ]; then |
| 26 | |
| 27 | pids="$(cut -d ' ' -f 1 <<< "$lttng_processes" | tr '\n' ' ')" |
| 28 | echo "The following LTTng processes were detected running on the system and will be aborted:" |
| 29 | echo "$lttng_processes" |
| 30 | |
| 31 | # Stop the processes to make sure everything is frozen |
| 32 | kill -SIGSTOP $pids |
| 33 | |
| 34 | # Get dependencies for coredump analysis |
| 35 | # Use /proc/$PID/exe and ldd to get all shared libs necessary |
| 36 | array=(${pids}) |
| 37 | # Add the /proc/ prefix using parameter expansion |
| 38 | array=("${array[@]/#/\/proc\/}") |
| 39 | # Add the /exe suffix using parameter expansion |
| 40 | array=("${array[@]/%/\/exe}") |
| 41 | dependencies=$(ldd "${array[@]}" | grep -v "not found") |
| 42 | dependencies=$(awk '/=>/{print$(NF-1)}' <<< "$dependencies" | sort | uniq) |
| 43 | |
| 44 | kill -SIGABRT $pids |
| 45 | kill -SIGCONT $pids |
| 46 | ret=1 |
| 47 | fi |
| 48 | |
| 49 | core_files=$(find "/tmp" -name "core\.[0-9]*" -type f 2>/dev/null) || true |
| 50 | if [ ! -z "$core_files" ]; then |
| 51 | echo "$core_files" >> "$file_list" |
| 52 | echo "$dependencies" >> "$file_list" |
| 53 | |
| 54 | # Make sure the coredump is finished using fuser |
| 55 | for core in $core_files; do |
| 56 | while fuser "$core"; do |
| 57 | sleep 1 |
| 58 | done |
| 59 | done |
| 60 | |
| 61 | tar cfzh "${WORKSPACE}/build/core.tar.gz" -T "$file_list" |
| 62 | rm -rf $core_files |
| 63 | ret=1 |
| 64 | fi |
| 65 | |
| 66 | rm -rf "$file_list" |
| 67 | exit $ret |