| 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 | |
| 18 | DEBUGFSROOT=$(grep ^debugfs /proc/mounts | head -1 | awk '{print $2}') |
| 19 | MARKERSROOT=${DEBUGFSROOT}/ltt/markers |
| 20 | |
| 21 | usage () { |
| 22 | echo "Usage: $0 [OPTION]..." > /dev/stderr |
| 23 | echo "Connect lttng markers" > /dev/stderr |
| 24 | echo "" > /dev/stderr |
| 25 | echo "Options:" > /dev/stderr |
| 26 | printf "\t-l Also activate locking markers (high traffic)\n" > /dev/stderr |
| 27 | printf "\t-n Also activate detailed network markers (large size)\n" > /dev/stderr |
| 28 | echo "" > /dev/stderr |
| 29 | printf "\t-q Quiet mode, suppress output\n" > /dev/stderr |
| 30 | printf "\t-h Print this help\n" > /dev/stderr |
| 31 | echo "" > /dev/stderr |
| 32 | } |
| 33 | |
| 34 | if [ ! "$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 | h) usage; |
| 50 | exit 0;; |
| 51 | \?) usage; |
| 52 | exit 1;; |
| 53 | esac |
| 54 | done |
| 55 | shift $(($OPTIND - 1)) |
| 56 | |
| 57 | |
| 58 | if [ ! $LOCKING ]; then |
| 59 | TESTS="${TESTS} -name lockdep -prune -o -name locking -prune -o" |
| 60 | fi |
| 61 | |
| 62 | if [ ! $NETWORK ]; then |
| 63 | TESTS="${TESTS} -path '*/net/*_extended' -prune -o" |
| 64 | fi |
| 65 | |
| 66 | while read -r -d $'\0' marker; do |
| 67 | if [ ! $QUIET ]; then |
| 68 | echo "Connecting ${marker%/enable}" |
| 69 | fi |
| 70 | echo 1 > $marker |
| 71 | done < <(eval "find '$MARKERSROOT' $TESTS -name metadata -prune -o -name enable -print0") |