projects / ltt-control.git / blame
| Commit | Line | Data |
|---|---|---|
| 045880fb BP |
1 | #!/bin/bash |
| 2 | # Copyright (C) 2009 Benjamin Poirier | |
| 3 | ||
| 4 | # This program is free software; you can redistribute it and/or modify | |
| 5 | # it under the terms of the GNU General Public License as published by | |
| 6 | # the Free Software Foundation; either version 2 of the License, or | |
| 7 | # (at your option) any later version. | |
| 8 | ||
| 9 | # This program is distributed in the hope that it will be useful, | |
| 10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 | # GNU General Public License for more details. | |
| 13 | ||
| 14 | # You should have received a copy of the GNU General Public License along | |
| 15 | # with this program; if not, write to the Free Software Foundation, Inc., | |
| 16 | # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 17 | ||
| 80bb2806 | 18 | DEBUGFSROOT=$(grep ^debugfs /proc/mounts | head -1 | awk '{print $2}') |
| 19 | MARKERSROOT=${DEBUGFSROOT}/ltt/markers | |
| 024405bd | 20 | |
| 045880fb BP |
21 | usage () { |
| 22 | echo "Usage: $0 [OPTION]..." > /dev/stderr | |
| 23 | echo "Disconnect lttng markers" > /dev/stderr | |
| 24 | echo "" > /dev/stderr | |
| 25 | echo "Options:" > /dev/stderr | |
| 26 | printf "\t-q Quiet mode, suppress output\n" > /dev/stderr | |
| 27 | printf "\t-h Print this help\n" > /dev/stderr | |
| 28 | echo "" > /dev/stderr | |
| 29 | } | |
| 30 | ||
| 31 | if [ ! "$DEBUGFSROOT" ]; then | |
| 32 | echo "Error: debugfs not mounted" > /dev/stderr | |
| 33 | exit 1; | |
| 34 | fi | |
| 35 | ||
| 36 | if [ ! -d "$MARKERSROOT" ]; then | |
| 37 | echo "Error: LTT trace controller not found (did you compile and load LTTng?)" > /dev/stderr | |
| 38 | exit 1; | |
| 39 | fi | |
| 40 | ||
| 41 | while getopts "qh" options; do | |
| 42 | case $options in | |
| 43 | q) QUIET="0";; | |
| 44 | h) usage; | |
| 45 | exit 0;; | |
| 46 | \?) usage; | |
| 47 | exit 1;; | |
| 80bb2806 | 48 | esac |
| 024405bd | 49 | done |
| 045880fb BP |
50 | shift $(($OPTIND - 1)) |
| 51 | ||
| 52 | while read -r -d $'\0' marker; do | |
| 53 | grep "^1$" "$marker" -q | |
| 54 | if [ $? -ne 0 ]; then | |
| 55 | continue | |
| 56 | fi | |
| 57 | if [ ! $QUIET ]; then | |
| 58 | echo "Disconnecting ${marker%/enable}" | |
| 59 | fi | |
| 60 | echo 0 > $marker | |
| 61 | done < <(eval "find '$MARKERSROOT' -name metadata -prune -o -name enable -print0") |