# Copyright (C) 2009 Benjamin Poirier
+# Copyright (C) 2010 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-DEBUGFSROOT=$(grep ^debugfs /proc/mounts | head -n 1 | awk '{print $2}')
+DEBUGFSROOT=$(awk '{if ($3 == "debugfs") print $2}' /proc/mounts | head -n 1)
MARKERSROOT=${DEBUGFSROOT}/ltt/markers
+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"
+EXTRAMODULES="lockdep-trace net-extended-trace"
usage () {
echo "Usage: $0 [OPTION]..." > /dev/stderr
echo "" > /dev/stderr
}
+if [ "$(id -u)" != "0" ]; then
+ echo "Error: This script needs to be run as root." > /dev/stderr
+ exit 1;
+fi
+
if [ ! "${DEBUGFSROOT}" ]; then
echo "Error: debugfs not mounted" > /dev/stderr
exit 1;
fi
echo 0 > ${marker}
done
+
+#Unload the kernel modules
+for i in ${EXTRAMODULES}; do
+ rmmod $i 2> /dev/null
+done
+for i in ${DEFAULTMODULES}; do
+ rmmod $i
+done
+