Volt VMM (Neutron Stardust): source-available under AGPSL v5.0
KVM-based microVMM for the Volt platform: - Sub-second VM boot times - Minimal memory footprint - Landlock LSM + seccomp security - Virtio device support - Custom kernel management Copyright (c) Armored Gates LLC. All rights reserved. Licensed under AGPSL v5.0
This commit is contained in:
Karl Clinger
173
benchmarks/pps.sh
Executable file
173
benchmarks/pps.sh
Executable file
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#!/bin/bash
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# Volt Network Benchmark - Packets Per Second Tests
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# Tests small packet performance (best indicator of CPU overhead)
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set -e
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# Parse arguments
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SERVER_IP="${1:?Usage: $0 <server-ip> [backend-name] [duration]}"
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BACKEND="${2:-unknown}"
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DURATION="${3:-30}"
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# Setup results directory
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TIMESTAMP=$(date +%Y-%m-%d_%H%M%S)
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RESULTS_DIR="${SCRIPT_DIR}/results/${BACKEND}/${TIMESTAMP}"
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mkdir -p "$RESULTS_DIR"
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echo "=== Volt PPS Benchmark ==="
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echo "Server: $SERVER_IP"
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echo "Backend: $BACKEND"
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echo "Duration: ${DURATION}s per test"
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echo "Results: $RESULTS_DIR"
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echo ""
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echo "Note: Small packet tests show virtualization overhead best"
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echo ""
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# Function to format large numbers
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format_number() {
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local num="$1"
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if [ -z "$num" ] || [ "$num" = "N/A" ]; then
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echo "N/A"
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elif (( $(echo "$num >= 1000000" | bc -l 2>/dev/null || echo 0) )); then
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printf "%.2fM" $(echo "$num / 1000000" | bc -l)
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elif (( $(echo "$num >= 1000" | bc -l 2>/dev/null || echo 0) )); then
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printf "%.2fK" $(echo "$num / 1000" | bc -l)
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else
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printf "%.0f" "$num"
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fi
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}
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# UDP Small Packet Tests with iperf3
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echo "--- UDP Small Packet Tests (iperf3) ---"
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echo ""
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for pkt_size in 64 128 256 512; do
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echo "[$(date +%H:%M:%S)] Testing ${pkt_size}-byte UDP packets..."
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output_file="${RESULTS_DIR}/udp-${pkt_size}byte.json"
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# -l sets UDP payload size, actual packet = payload + 28 (IP+UDP headers)
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# -b 0 = unlimited bandwidth (find max PPS)
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if iperf3 -c "$SERVER_IP" -u -l "$pkt_size" -b 0 -t "$DURATION" -J > "$output_file" 2>&1; then
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if command -v jq &> /dev/null && [ -f "$output_file" ]; then
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packets=$(jq -r '.end.sum.packets // 0' "$output_file" 2>/dev/null)
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pps=$(echo "scale=0; $packets / $DURATION" | bc 2>/dev/null || echo "N/A")
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bps=$(jq -r '.end.sum.bits_per_second // 0' "$output_file" 2>/dev/null)
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mbps=$(echo "scale=2; $bps / 1000000" | bc 2>/dev/null || echo "N/A")
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loss=$(jq -r '.end.sum.lost_percent // 0' "$output_file" 2>/dev/null)
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printf " %4d bytes: %12s pps (%s Mbps, loss: %.2f%%)\n" \
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"$pkt_size" "$(format_number $pps)" "$mbps" "$loss"
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else
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echo " ${pkt_size} bytes: Complete (see JSON)"
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fi
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else
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echo " ${pkt_size} bytes: FAILED"
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fi
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sleep 2
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done
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echo ""
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# TCP Request/Response with netperf (best for measuring transaction rate)
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echo "--- TCP Transaction Tests (netperf) ---"
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echo ""
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if command -v netperf &> /dev/null; then
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# TCP_RR - Request/Response (simulates real application traffic)
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echo "[$(date +%H:%M:%S)] Running TCP_RR (request/response)..."
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output_file="${RESULTS_DIR}/tcp-rr.txt"
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if netperf -H "$SERVER_IP" -l "$DURATION" -t TCP_RR > "$output_file" 2>&1; then
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# Extract transactions per second
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tps=$(tail -1 "$output_file" | awk '{print $NF}')
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echo " TCP_RR: $(format_number $tps) trans/sec"
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echo "TCP_RR_TPS=$tps" > "${RESULTS_DIR}/tcp-rr.env"
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else
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echo " TCP_RR: FAILED (is netserver running?)"
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fi
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sleep 2
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# TCP_CRR - Connect/Request/Response (includes connection setup overhead)
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echo "[$(date +%H:%M:%S)] Running TCP_CRR (connect/request/response)..."
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output_file="${RESULTS_DIR}/tcp-crr.txt"
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if netperf -H "$SERVER_IP" -l "$DURATION" -t TCP_CRR > "$output_file" 2>&1; then
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tps=$(tail -1 "$output_file" | awk '{print $NF}')
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echo " TCP_CRR: $(format_number $tps) trans/sec"
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echo "TCP_CRR_TPS=$tps" > "${RESULTS_DIR}/tcp-crr.env"
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else
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echo " TCP_CRR: FAILED"
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fi
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sleep 2
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# UDP_RR - UDP Request/Response
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echo "[$(date +%H:%M:%S)] Running UDP_RR (request/response)..."
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output_file="${RESULTS_DIR}/udp-rr.txt"
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if netperf -H "$SERVER_IP" -l "$DURATION" -t UDP_RR > "$output_file" 2>&1; then
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tps=$(tail -1 "$output_file" | awk '{print $NF}')
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echo " UDP_RR: $(format_number $tps) trans/sec"
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echo "UDP_RR_TPS=$tps" > "${RESULTS_DIR}/udp-rr.env"
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else
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echo " UDP_RR: FAILED"
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fi
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else
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echo "netperf not installed - skipping transaction tests"
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echo "Run ./setup.sh to install"
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fi
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echo ""
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# Generate summary
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echo "=== PPS Summary ==="
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SUMMARY_FILE="${RESULTS_DIR}/pps-summary.txt"
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{
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echo "Volt PPS Benchmark Results"
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echo "================================"
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echo "Backend: $BACKEND"
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echo "Server: $SERVER_IP"
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echo "Date: $(date)"
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echo "Duration: ${DURATION}s per test"
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echo ""
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echo "UDP Packet Rates:"
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echo "-----------------"
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for pkt_size in 64 128 256 512; do
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json_file="${RESULTS_DIR}/udp-${pkt_size}byte.json"
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if [ -f "$json_file" ] && command -v jq &> /dev/null; then
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packets=$(jq -r '.end.sum.packets // 0' "$json_file" 2>/dev/null)
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pps=$(echo "scale=0; $packets / $DURATION" | bc 2>/dev/null || echo "N/A")
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loss=$(jq -r '.end.sum.lost_percent // 0' "$json_file" 2>/dev/null)
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printf " %4d bytes: %12s pps (loss: %.2f%%)\n" "$pkt_size" "$(format_number $pps)" "$loss"
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fi
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done
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echo ""
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echo "Transaction Rates:"
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echo "------------------"
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for test in tcp-rr tcp-crr udp-rr; do
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env_file="${RESULTS_DIR}/${test}.env"
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if [ -f "$env_file" ]; then
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source "$env_file"
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case "$test" in
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tcp-rr) val="$TCP_RR_TPS" ;;
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tcp-crr) val="$TCP_CRR_TPS" ;;
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udp-rr) val="$UDP_RR_TPS" ;;
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esac
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printf " %-10s %12s trans/sec\n" "${test}:" "$(format_number $val)"
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fi
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done
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} | tee "$SUMMARY_FILE"
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echo ""
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echo "Full results saved to: $RESULTS_DIR"
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echo ""
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echo "Key Insight: 64-byte PPS shows raw packet processing overhead."
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echo "Higher PPS = lower virtualization overhead = better performance."
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