1 # Copyright (C) 2009 Benjamin Poirier
2 # Copyright (C) 2010 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
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.
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.
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.
18 DEBUGFSROOT
=$
(awk '{if ($3 == "debugfs") print $2}' /proc
/mounts |
head -n 1)
19 MARKERSROOT
=${DEBUGFSROOT}/ltt
/markers
20 DEFAULTMODULES
="ltt-trace-control ltt-marker-control ltt-kprobes ltt-userspace-event ltt-statedump ipc-trace kernel-trace mm-trace net-trace fs-trace jbd2-trace syscall-trace trap-trace block-trace rcu-trace ltt-relay ltt-tracer"
21 EXTRAMODULES
="lockdep-trace net-extended-trace"
24 echo "Usage: $0 [OPTION]..." > /dev
/stderr
25 echo "Disconnect lttng markers" > /dev
/stderr
27 echo "Options:" > /dev
/stderr
28 printf "\t-q Quiet mode, suppress output\n" > /dev
/stderr
29 printf "\t-h Print this help\n" > /dev
/stderr
33 if [ "$(id -u)" != "0" ]; then
34 echo "Error: This script needs to be run as root." > /dev
/stderr
38 if [ ! "${DEBUGFSROOT}" ]; then
39 echo "Error: debugfs not mounted" > /dev
/stderr
43 if [ ! -d "${MARKERSROOT}" ]; then
44 echo "Error: LTT trace controller not found (did you compile and load LTTng?)" > /dev
/stderr
48 while getopts "qh" options
; do
57 shift $
((${OPTIND} - 1))
59 (eval "find '${MARKERSROOT}' -name metadata -prune -o -name enable -print") |
while read -r marker
; do
60 grep "^1$" "${marker}" -q
64 if [ ! ${QUIET} ]; then
65 echo "Disconnecting ${marker%/enable}"
70 #Unload the kernel modules
71 for i
in ${EXTRAMODULES}; do
74 for i
in ${DEFAULTMODULES}; do
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