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