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 "Disconnect lttng markers" > /dev/stderr
- echo "" > /dev/stderr
- echo "Options:" > /dev/stderr
- printf "\t-q Quiet mode, suppress output\n" > /dev/stderr
- printf "\t-h Print this help\n" > /dev/stderr
- echo "" > /dev/stderr
+ echo "Usage: $0 [OPTION]..." 1>&2
+ echo "Disconnect lttng markers" 1>&2
+ echo "" 1>&2
+ echo "Options:" 1>&2
+ printf "\t-q Quiet mode, suppress output\n" 1>&2
+ printf "\t-h Print this help\n" 1>&2
+ echo "" 1>&2
}
+if [ "$(id -u)" != "0" ]; then
+ echo "Error: This script needs to be run as root." 1>&2
+ exit 1;
+fi
+
if [ ! "${DEBUGFSROOT}" ]; then
- echo "Error: debugfs not mounted" > /dev/stderr
+ echo "Error: debugfs not mounted" 1>&2
exit 1;
fi
if [ ! -d "${MARKERSROOT}" ]; then
- echo "Error: LTT trace controller not found (did you compile and load LTTng?)" > /dev/stderr
+ echo "Error: LTT trace controller not found (did you compile and load LTTng?)" 1>&2
exit 1;
fi
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
+