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0a028cf6 JR |
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' ' ')" | |
0a028cf6 JR |
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 |