Also wait in OpenTelemetry, add null writer label

frameworks/OpenTelemetry/benchmark.sh

@@ -80,6 +80,7 @@ function runOpenTelemetryZipkin {
         --recursion-depth $RECURSION_DEPTH \
         ${MOREPARAMS} &> ${RESULTS_DIR}/output_"$i"_"$RECURSION_DEPTH"_$k.txt
     stopBackgroundProcess
+    sleep $SLEEP_TIME
 }
 
 function runOpenTelemetryJaeger {
@@ -96,6 +97,7 @@ function runOpenTelemetryJaeger {
 		--recursion-depth $RECURSION_DEPTH \
 		${MOREPARAMS} &> ${RESULTS_DIR}/output_"$i"_"$RECURSION_DEPTH"_$k.txt
 	stopBackgroundProcess
+	sleep $SLEEP_TIME
 }
 
 function runOpenTelemetryPrometheus {
@@ -112,6 +114,7 @@ function runOpenTelemetryPrometheus {
 		--recursion-depth $RECURSION_DEPTH \
 		${MOREPARAMS} &> ${RESULTS_DIR}/output_"$i"_"$RECURSION_DEPTH"_$k.txt
 	stopBackgroundProcess
+	sleep $SLEEP_TIME
 }
 
 JAVABIN=""

frameworks/inspectIT/benchmark.sh

@@ -61,8 +61,8 @@ function runInspectITZipkin {
         --recursion-depth ${RECURSION_DEPTH} \
         --force-terminate \
         ${MOREPARAMS} &> ${RESULTS_DIR}/output_"$i"_"$RECURSION_DEPTH"_$k.txt
-    sleep $SLEEP_TIME
     stopBackgroundProcess
+    sleep $SLEEP_TIME
 }
 
 function runInspectITPrometheus {
@@ -80,8 +80,8 @@ function runInspectITPrometheus {
         --recursion-depth ${RECURSION_DEPTH} \
         --force-terminate \
         ${MOREPARAMS} &> ${RESULTS_DIR}/output_"$i"_"$RECURSION_DEPTH"_$k.txt
-    sleep $SLEEP_TIME
     stopBackgroundProcess
+    sleep $SLEEP_TIME
 }
 
 function cleanup {

frameworks/inspectIT/labels.sh

 TITLE[0]="No instrumentation"
 TITLE[1]="Deactivated processing"
-TITLE[2]="Zipkin"
-TITLE[3]="Prometheus"
+TITLE[2]="Null writer"
+TITLE[3]="Zipkin"
+TITLE[4]="Prometheus"