X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=usttrace;h=94404dde6d56e0bba1ef9aee9f299d328ba9f361;hb=fc214788832b93d238449c2b7736a8425b7e5330;hp=dc159f2cdff33897876b9b793bc9474ccc6c5ab7;hpb=223f2e7ce070406f507856fa8f0de508d8a05ad3;p=ust.git

diff --git a/usttrace b/usttrace
index dc159f2..94404dd 100755
--- a/usttrace
+++ b/usttrace
@@ -56,9 +56,10 @@ function usage () {
 	echo "    -s    Use system-wide daemon instead of creating one for this session." 2>/dev/stderr
 	echo "    -S    Specify the subbuffer size." 2>/dev/stderr
 	echo "    -N    Specify the number of subbuffers." 2>/dev/stderr
+	echo "    -o    Output directory of the trace." 2>/dev/stderr
 }
 
-while getopts ":hlLmfsWS:N:" options; do
+while getopts ":hlLmfsWS:N:o:" options; do
 	case $options in
 		l) arg_preload_libust=1;;
 		L) arg_ld_std_ust=1;;
@@ -68,6 +69,7 @@ while getopts ":hlLmfsWS:N:" options; do
 		W) where=1;;
 		S) export UST_SUBBUF_SIZE=$OPTARG;;
 		N) export UST_SUBBUF_NUM=$OPTARG;;
+		o) OUTPUT_DIR=$OPTARG;;
 		h) usage;
 		   exit 0;;
 		\?) usage
@@ -100,9 +102,20 @@ then
 fi
 
 # Create directory for trace output
-DATESTRING="$(hostname)-$(date +%Y%m%d%H%M%S%N)"
-OUTDIR="$BASE_TRACE_DIR/$DATESTRING"
-mkdir -p "$OUTDIR"
+if [ -n "$OUTPUT_DIR" ]; then
+	OUTDIR=$OUTPUT_DIR
+else
+	DATESTRING="$(hostname)-$(date +%Y%m%d%H%M%S%N)"
+	OUTDIR="$BASE_TRACE_DIR/$DATESTRING"
+fi
+
+# Check if directory exist
+if [ ! -d "$OUTDIR" ]; then
+	mkdir -p $OUTDIR
+	if [ $? -eq 1 ]; then
+		exit 1
+	fi
+fi
 
 # Choose ustd socket path
 USTDSOCKPATH="/tmp/ustd-sock-$$"
@@ -132,27 +145,54 @@ fi
 
     if [ "$arg_preload_libust" = "1" ];
     then
-	if [ -n "${LIBUST_PATH%libust.so}" ] ; then
-	    export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:${LIBUST_PATH%libust.so}"
+	if [ -n "${LIBUST_PATH%libust.so}" ];
+	then
+		if [ -n "$LD_LIBRARY_PATH" ];
+		then
+			export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:${LIBUST_PATH%libust.so}"
+		else
+			export LD_LIBRARY_PATH="${LIBUST_PATH%libust.so}"
+		fi
+	fi
+	if [ -n "$LIBUST_PATH" ];
+	then
+		if [ -n "$LD_PRELOAD" ];
+		then
+			export LD_PRELOAD="$LD_PRELOAD:$LIBUST_PATH"
+		else
+			export LD_PRELOAD="$LIBUST_PATH"
+		fi
 	fi
-	export LD_PRELOAD="$LD_PRELOAD:$LIBUST_PATH"
     fi
 
-    if [ "$arg_ld_std_ust" = "1" ];
+    if [ "$arg_ld_std_ust" = "1" ] && [ -n "${LIBUST_PATH%libust.so}" ];
     then
-	if [ -n "$${LIBUST_PATH%libust.so}" ] ; then
-	    export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:${LIBUST_PATH%libust.so}"
+	if [ -n "$LD_LIBRARY_PATH" ];
+	then
+		export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:${LIBUST_PATH%libust.so}"
+	else
+		export LD_LIBRARY_PATH="${LIBUST_PATH%libust.so}"
 	fi
     fi
 
-    if [ "$arg_preload_malloc" = "1" ];
+    if [ "$arg_preload_malloc" = "1" ] && [ -n "$LIBMALLOCWRAP_PATH" ];
     then
-	export LD_PRELOAD="$LD_PRELOAD:$LIBMALLOCWRAP_PATH"
+	if [ -n "$LD_PRELOAD" ];
+	then
+		export LD_PRELOAD="$LD_PRELOAD:$LIBMALLOCWRAP_PATH"
+	else
+		export LD_PRELOAD="$LIBMALLOCWRAP_PATH"
+	fi
     fi
 
-    if [ "$arg_preload_fork" = "1" ];
+    if [ "$arg_preload_fork" = "1" ] && [ -n "$LIBINTERFORK_PATH" ];
     then
-	export LD_PRELOAD="$LD_PRELOAD:$LIBINTERFORK_PATH"
+	if [ -n "$LD_PRELOAD" ];
+	then
+		export LD_PRELOAD="$LD_PRELOAD:$LIBINTERFORK_PATH"
+	else
+		export LD_PRELOAD="$LIBINTERFORK_PATH"
+	fi
     fi
 
 # Execute the command