+# Performance analysis
+perf_trials=2
+perf_interval=1
+if [ "$OS_ID" == "ubuntu" ] || [ "$OS_ID" = "debian" ] ; then
+ SYSSTAT_PATH="/var/log/sysstat"
+elif [ "$OS_ID" == "centos" ] ; then
+ if [ "$OS_VERSION_ID" = "7" ] ; then
+ SYSSTAT_PATH="/var/log/sa/sa02"
+ else
+ SYSSTAT_PATH="/var/log/sa"
+ fi
+fi
+echo "$long_line"
+echo "Virtual memory stat"
+vmstat ${perf_interval} ${perf_trials}
+echo "CPU time breakdowns per CPU"
+mpstat -P ALL ${perf_interval} ${perf_trials}
+echo "Per-process summary"
+pidstat ${perf_interval} ${perf_trials}
+echo "Block device stats"
+iostat -xz ${perf_interval} ${perf_trials}
+echo "Memory utilization"
+free -m
+echo "Network interface throughput"
+sar -n DEV -o ${SYSSTAT_PATH} ${perf_interval} ${perf_trials}
+echo "TCP metrics"
+sar -n TCP,ETCP -o ${SYSSTAT_PATH} ${perf_interval} ${perf_trials}
+
+# SW stack