lttctl/ltt-armall.sh

   1 # Copyright (C) 2009 Benjamin Poirier
   2 # Copyright (C) 2010 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   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
  18 DEBUGFSROOT=$(awk '{if ($3 == "debugfs") print $2}' /proc/mounts | head -n 1)
  19 MARKERSROOT=${DEBUGFSROOT}/ltt/markers
  20
  21 usage () {
  22         echo "Usage: $0 [OPTION]..." > /dev/stderr
  23         echo "Connect lttng markers" > /dev/stderr
  24         echo "" > /dev/stderr
  25         echo "Options:" > /dev/stderr
  26         printf "\t-l           Also activate locking markers (high traffic)\n" > /dev/stderr
  27         printf "\t-n           Also activate detailed network markers (large size)\n" > /dev/stderr
  28         printf "\t-i           Also activate input subsystem events (security implication: records keyboard inputs)\n" > /dev/stderr
  29         echo "" > /dev/stderr
  30         printf "\t-q           Quiet mode, suppress output\n" > /dev/stderr
  31         printf "\t-h           Print this help\n" > /dev/stderr
  32         echo "" > /dev/stderr
  33 }
  34
  35 if [ ! "${DEBUGFSROOT}" ]; then
  36         echo "Error: debugfs not mounted" > /dev/stderr
  37         exit 1;
  38 fi
  39
  40 if [ ! -d "${MARKERSROOT}" ]; then
  41         echo "Error: LTT trace controller not found (did you compile and load LTTng?)" > /dev/stderr
  42         exit 1;
  43 fi
  44
  45 while getopts "lnqh" options; do
  46         case ${options} in
  47                 l) LOCKING="0";;
  48                 n) NETWORK="0";;
  49                 q) QUIET="0";;
  50                 i) INPUT="0";;
  51                 h) usage;
  52                         exit 0;;
  53                 \?) usage;
  54                         exit 1;;
  55         esac
  56 done
  57 shift $((${OPTIND} - 1))
  58
  59
  60 if [ ! ${LOCKING} ]; then
  61         TESTS="${TESTS} -name lockdep -prune -o -name locking -prune -o"
  62 fi
  63
  64 if [ ! ${NETWORK} ]; then
  65         TESTS="${TESTS} -path '*/net/*_extended' -prune -o"
  66 fi
  67
  68 if [ ! ${INPUT} ]; then
  69         TESTS="${TESTS} -name input -prune -o"
  70 fi
  71
  72 (eval "find '${MARKERSROOT}' ${TESTS} -name metadata -prune -o -name enable -print") | while read -r marker; do
  73         if [ ! ${QUIET} ]; then
  74                 echo "Connecting ${marker%/enable}"
  75         fi
  76         echo 1 > ${marker}
  77 done