| 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 | |
| 17 | DEBUGFSROOT=$(grep ^debugfs /proc/mounts | head -1 | awk '{print $2}') |
| 18 | MARKERSROOT=${DEBUGFSROOT}/ltt/markers |
| 19 | |
| 20 | usage () { |
| 21 | echo "Usage: $0 [OPTION]..." > /dev/stderr |
| 22 | echo "Disconnect lttng markers" > /dev/stderr |
| 23 | echo "" > /dev/stderr |
| 24 | echo "Options:" > /dev/stderr |
| 25 | printf "\t-q Quiet mode, suppress output\n" > /dev/stderr |
| 26 | printf "\t-h Print this help\n" > /dev/stderr |
| 27 | echo "" > /dev/stderr |
| 28 | } |
| 29 | |
| 30 | if [ ! "${DEBUGFSROOT}" ]; then |
| 31 | echo "Error: debugfs not mounted" > /dev/stderr |
| 32 | exit 1; |
| 33 | fi |
| 34 | |
| 35 | if [ ! -d "${MARKERSROOT}" ]; then |
| 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 |
| 41 | case ${options} in |
| 42 | q) QUIET="0";; |
| 43 | h) usage; |
| 44 | exit 0;; |
| 45 | \?) usage; |
| 46 | exit 1;; |
| 47 | esac |
| 48 | done |
| 49 | shift $((${OPTIND} - 1)) |
| 50 | |
| 51 | (eval "find '${MARKERSROOT}' -name metadata -prune -o -name enable -print0") | while read -r -d $'\0' marker; do |
| 52 | grep "^1$" "${marker}" -q |
| 53 | if [ $? -ne 0 ]; then |
| 54 | continue |
| 55 | fi |
| 56 | if [ ! ${QUIET} ]; then |
| 57 | echo "Disconnecting ${marker%/enable}" |
| 58 | fi |
| 59 | echo 0 > ${marker} |
| 60 | done |