X-Git-Url: https://git.lttng.org/?p=ltt-control.git;a=blobdiff_plain;f=lttctl%2Fltt-disarmall.sh;h=2b5704f4d6eebb003cc03e1904cb22178a056c5c;hp=d06950f37bbc2685cc0c2298f79a648e723fee68;hb=045880fb3602540472b3760832a73b431514bb7f;hpb=1606599b9904eca166d9c30268d79b9641245a82

diff --git a/lttctl/ltt-disarmall.sh b/lttctl/ltt-disarmall.sh
index d06950f..2b5704f 100755
--- a/lttctl/ltt-disarmall.sh
+++ b/lttctl/ltt-disarmall.sh
@@ -1,21 +1,61 @@
+#!/bin/bash
+# Copyright (C) 2009 Benjamin Poirier
+
+# 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=$(grep ^debugfs /proc/mounts | head -1 | awk '{print $2}')
 MARKERSROOT=${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))
+
+while read -r -d $'\0' marker; do
+	grep "^1$" "$marker" -q
+	if [ $? -ne 0 ]; then
+		continue
+	fi
+	if [ ! $QUIET ]; then
+		echo "Disconnecting ${marker%/enable}"
+	fi
+	echo 0 > $marker
+done < <(eval "find '$MARKERSROOT' -name metadata -prune -o -name enable -print0")