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045880fb BP |
1 | # Copyright (C) 2009 Benjamin Poirier |
2 | ||
3 | # This program is free software; you can redistribute it and/or modify | |
4 | # it under the terms of the GNU General Public License as published by | |
5 | # the Free Software Foundation; either version 2 of the License, or | |
6 | # (at your option) any later version. | |
7 | ||
8 | # This program is distributed in the hope that it will be useful, | |
9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | # GNU General Public License for more details. | |
12 | ||
13 | # You should have received a copy of the GNU General Public License along | |
14 | # with this program; if not, write to the Free Software Foundation, Inc., | |
15 | # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
16 | ||
7ce719c0 | 17 | DEBUGFSROOT=$(grep ^debugfs /proc/mounts | head -n 1 | awk '{print $2}') |
80bb2806 | 18 | MARKERSROOT=${DEBUGFSROOT}/ltt/markers |
024405bd | 19 | |
045880fb BP |
20 | usage () { |
21 | echo "Usage: $0 [OPTION]..." > /dev/stderr | |
22 | echo "Disconnect lttng markers" > /dev/stderr | |
23 | echo "" > /dev/stderr | |
24 | echo "Options:" > /dev/stderr | |
25 | printf "\t-q Quiet mode, suppress output\n" > /dev/stderr | |
26 | printf "\t-h Print this help\n" > /dev/stderr | |
27 | echo "" > /dev/stderr | |
28 | } | |
29 | ||
fde9c319 | 30 | if [ ! "${DEBUGFSROOT}" ]; then |
045880fb BP |
31 | echo "Error: debugfs not mounted" > /dev/stderr |
32 | exit 1; | |
33 | fi | |
34 | ||
fde9c319 | 35 | if [ ! -d "${MARKERSROOT}" ]; then |
045880fb BP |
36 | echo "Error: LTT trace controller not found (did you compile and load LTTng?)" > /dev/stderr |
37 | exit 1; | |
38 | fi | |
39 | ||
40 | while getopts "qh" options; do | |
fde9c319 | 41 | case ${options} in |
045880fb BP |
42 | q) QUIET="0";; |
43 | h) usage; | |
44 | exit 0;; | |
45 | \?) usage; | |
46 | exit 1;; | |
80bb2806 | 47 | esac |
024405bd | 48 | done |
fde9c319 | 49 | shift $((${OPTIND} - 1)) |
045880fb | 50 | |
6e8902bf | 51 | (eval "find '${MARKERSROOT}' -name metadata -prune -o -name enable -print") | while read -r marker; do |
fde9c319 | 52 | grep "^1$" "${marker}" -q |
045880fb BP |
53 | if [ $? -ne 0 ]; then |
54 | continue | |
55 | fi | |
fde9c319 | 56 | if [ ! ${QUIET} ]; then |
045880fb BP |
57 | echo "Disconnecting ${marker%/enable}" |
58 | fi | |
fde9c319 | 59 | echo 0 > ${marker} |
d7a3410b | 60 | done |