lttctl/ltt-armall.sh

   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 -n 1 | awk '{print $2}')
  18 MARKERSROOT=${DEBUGFSROOT}/ltt/markers
  19
  20 usage () {
  21         echo "Usage: $0 [OPTION]..." > /dev/stderr
  22         echo "Connect lttng markers" > /dev/stderr
  23         echo "" > /dev/stderr
  24         echo "Options:" > /dev/stderr
  25         printf "\t-l           Also activate locking markers (high traffic)\n" > /dev/stderr
  26         printf "\t-n           Also activate detailed network markers (large size)\n" > /dev/stderr
  27         printf "\t-i           Also activate input subsystem events (security implication: records keyboard inputs)\n" > /dev/stderr
  28         echo "" > /dev/stderr
  29         printf "\t-q           Quiet mode, suppress output\n" > /dev/stderr
  30         printf "\t-h           Print this help\n" > /dev/stderr
  31         echo "" > /dev/stderr
  32 }
  33
  34 if [ ! "${DEBUGFSROOT}" ]; then
  35         echo "Error: debugfs not mounted" > /dev/stderr
  36         exit 1;
  37 fi
  38
  39 if [ ! -d "${MARKERSROOT}" ]; then
  40         echo "Error: LTT trace controller not found (did you compile and load LTTng?)" > /dev/stderr
  41         exit 1;
  42 fi
  43
  44 while getopts "lnqh" options; do
  45         case ${options} in
  46                 l) LOCKING="0";;
  47                 n) NETWORK="0";;
  48                 q) QUIET="0";;
  49                 i) INPUT="0";;
  50                 h) usage;
  51                         exit 0;;
  52                 \?) usage;
  53                         exit 1;;
  54         esac
  55 done
  56 shift $((${OPTIND} - 1))
  57
  58
  59 if [ ! ${LOCKING} ]; then
  60         TESTS="${TESTS} -name lockdep -prune -o -name locking -prune -o"
  61 fi
  62
  63 if [ ! ${NETWORK} ]; then
  64         TESTS="${TESTS} -path '*/net/*_extended' -prune -o"
  65 fi
  66
  67 if [ ! ${INPUT} ]; then
  68         TESTS="${TESTS} -name input -prune -o"
  69 fi
  70
  71 (eval "find '${MARKERSROOT}' ${TESTS} -name metadata -prune -o -name enable -print") | while read -r marker; do
  72         if [ ! ${QUIET} ]; then
  73                 echo "Connecting ${marker%/enable}"
  74         fi
  75         echo 1 > ${marker}
  76 done