perf_breakdown: Discard last few seconds of experiments

Even if we round down to a multiple of 5, we are still including a large part of the shutdown phase. Remove this.

analyze/perf_breakdown.sh

@@ -37,7 +37,7 @@ EXP_END="$(echo "$PERF_HEADERS" | grep "# time of last sample :" | rev | cut -d'
 
 printf 'Experiment: %d - %d\n' $EXP_START $EXP_END | tee breakdown.txt
 
-MEASURE_END=$((EXP_END - (EXP_END - EXP_START) % 5))
+MEASURE_END=$((EXP_END - (EXP_END - EXP_START) % 5 - 5))
 MEASURE_START=$((MEASURE_END - 10))
 
 printf 'Measurement Interval: %d - %d\n' $MEASURE_START $MEASURE_END | tee -a breakdown.txt