X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=lttctl%2Fltt-disarmall.sh;h=56dc3a0b1e48644caae856da3849b4a9061ed7c1;hb=efd72b5d61b85de373b987aa768de315419d4a83;hp=2473b815bf4c2a713b8ef71300717c5878a4edd9;hpb=5e1fd42a8d1bbbe1e1283e4c652994ff738dd6a7;p=ltt-control.git

diff --git a/lttctl/ltt-disarmall.sh b/lttctl/ltt-disarmall.sh
index 2473b81..56dc3a0 100755
--- a/lttctl/ltt-disarmall.sh
+++ b/lttctl/ltt-disarmall.sh
@@ -1,38 +1,61 @@
-#excluding core markers (already connected)
-#excluding locking markers (high traffic)
+# Copyright (C) 2009 Benjamin Poirier
+# Copyright (C) 2010 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 
-DEBUGFSROOT=$(grep ^debugfs /proc/mounts | head -1 | awk '{print $2}')
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+DEBUGFSROOT=$(awk '{if ($3 == "debugfs") print $2}' /proc/mounts | head -n 1)
 MARKERSROOT=${DEBUGFSROOT}/ltt/markers
 
-echo Disconnecting all markers
-
-for c in ${MARKERSROOT}/*; do
-	case ${c} in
-	${MARKERSROOT}/metadata)
-		;;
-	${MARKERSROOT}/locking)
-		;;
-	${MARKERSROOT}/lockdep)
-		;;
-	*)
-		for m in ${c}/*; do
-			echo Disconnecting ${m}
-			echo 0 > ${m}/enable
-		done
-		;;
+usage () {
+	echo "Usage: $0 [OPTION]..." > /dev/stderr
+	echo "Disconnect lttng markers" > /dev/stderr
+	echo "" > /dev/stderr
+	echo "Options:" > /dev/stderr
+	printf "\t-q           Quiet mode, suppress output\n" > /dev/stderr
+	printf "\t-h           Print this help\n" > /dev/stderr
+	echo "" > /dev/stderr
+}
+
+if [ ! "${DEBUGFSROOT}" ]; then
+	echo "Error: debugfs not mounted" > /dev/stderr
+	exit 1;
+fi
+
+if [ ! -d "${MARKERSROOT}" ]; then
+	echo "Error: LTT trace controller not found (did you compile and load LTTng?)" > /dev/stderr
+	exit 1;
+fi
+
+while getopts "qh" options; do
+	case ${options} in
+		q) QUIET="0";;
+		h) usage;
+			exit 0;;
+		\?) usage;
+			exit 1;;
 	esac
 done
+shift $((${OPTIND} - 1))
 
-## Markers starting with "tap_" are considered high-speed.
-#echo Disconnecting high-rate markers to tap
-#MARKERS=`cat /proc/ltt|grep -v %k|awk '{print $2 " " $4}'|sort -u |grep ^tap`
-#
-##Uncomment the following to also stop recording lockdep events.
-##MARKERS=`cat /proc/ltt|grep -v %k|awk '{print $2}'|sort -u|grep -e ^tap_ -e ^lockdep`
-#
-#IFS=${N}
-#for a in $MARKERS; do
-#	echo Disconnecting $a
-#
-#	echo "disconnect $a ltt_tap_marker" > /proc/ltt
-#done
+(eval "find '${MARKERSROOT}' -name metadata -prune -o -name enable -print") | while read -r marker; do
+	grep "^1$" "${marker}" -q
+	if [ $? -ne 0 ]; then
+		continue
+	fi
+	if [ ! ${QUIET} ]; then
+		echo "Disconnecting ${marker%/enable}"
+	fi
+	echo 0 > ${marker}
+done