diff --git a/communication_techniques/parsing.sh b/communication_techniques/parsing.sh
index dc589aa..5ee954c 100755
--- a/communication_techniques/parsing.sh
+++ b/communication_techniques/parsing.sh
@@ -23,6 +23,44 @@ use_histo ()
 	return $?
 }
 
+contains_zero()
+{
+	local prod bench datFile lineNum commTechs nbCommTechs nbArg iMin iMax
+	prod="$1"
+	bench="$2"
+	datFile="$3"
+	lineNum="$4"
+
+	if use_histo "$prod" "$bench"
+	then
+		eval commTechs=\$${bench}List
+		# Count the number of spaces in the list + the line feed
+		nbCommTechs=$(echo $commTechs | sed -r "s/[^ ]//g" | wc -c)
+		iMin=$((lineNum + 4))
+		iMax=$((lineNum + 1 + nbCommTechs * 3))
+		for i in $(seq $iMin 3 $iMax)
+		do
+			if head -$i $datFile | tail -1 | grep "0\.00" > /dev/null
+			then
+				return 0
+			fi
+		done
+	else
+		iMin=$((lineNum + 9))
+		# Count the number of spaces in the list + the line feed
+		nbArg=$(echo $argTypeProdList | sed -r "s/[^ ]//g" | wc -c)
+		iMax=$((iMin + nbArg * 8 - 4))
+		for i in $(seq $iMin 4 $iMax)
+		do
+			if head -$i $datFile | tail -1 | grep "0\.00" > /dev/null
+			then
+				return 0
+			fi
+		done
+	fi
+	return 1
+}
+
 create_dat_header ()
 {
 	local prod bench metrique
@@ -270,7 +308,7 @@ create_gnuplot_file ()
 			esac
 			datFile=bench_$bench-prod_$prod-metrique_$metrique.dat
 			patternPlotFile="bench_$bench-prod_$prod-$metrique-$avg-$yscale" # Name without extension of plot and ps files
-			if [ $metrique != "total_time" -o $yscale != "logscale" ]
+			if [ $yscale != "logscale" ] || ! contains_zero "$prod" "$bench" "$datFile" "$lineNum"
 			then
 				create_gnuplot_header "$prod" "$bench" "$patternPlotFile.gnuplot"
 				create_gnuplot_body "$prod" "$bench" "$yscale" "$ylabel" "$lineNum" "$datFile" "$patternPlotFile"