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
139
benchmarks/throughput.sh
Executable file
139
benchmarks/throughput.sh
Executable file
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#!/bin/bash
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# Volt Network Benchmark - Throughput Tests
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# Tests TCP/UDP throughput using iperf3
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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 Throughput 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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# Function to run iperf3 test
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run_iperf3() {
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local test_name="$1"
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local extra_args="$2"
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local output_file="${RESULTS_DIR}/${test_name}.json"
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echo "[$(date +%H:%M:%S)] Running: $test_name"
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if iperf3 -c "$SERVER_IP" -t "$DURATION" $extra_args -J > "$output_file" 2>&1; then
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# Extract key metrics
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if [ -f "$output_file" ] && command -v jq &> /dev/null; then
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local bps=$(jq -r '.end.sum_sent.bits_per_second // .end.sum.bits_per_second // 0' "$output_file" 2>/dev/null)
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local gbps=$(echo "scale=2; $bps / 1000000000" | bc 2>/dev/null || echo "N/A")
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echo " → ${gbps} Gbps"
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else
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echo " → Complete (see JSON for results)"
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fi
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else
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echo " → FAILED"
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return 1
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fi
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}
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# Verify connectivity
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echo "[$(date +%H:%M:%S)] Verifying connectivity to $SERVER_IP:5201..."
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if ! timeout 5 bash -c "echo > /dev/tcp/$SERVER_IP/5201" 2>/dev/null; then
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echo "ERROR: Cannot connect to iperf3 server at $SERVER_IP:5201"
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echo "Ensure iperf3 -s is running on the server"
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exit 1
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fi
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echo " → Connected"
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echo ""
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# Record system info
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echo "=== System Info ===" > "${RESULTS_DIR}/system-info.txt"
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echo "Date: $(date)" >> "${RESULTS_DIR}/system-info.txt"
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echo "Kernel: $(uname -r)" >> "${RESULTS_DIR}/system-info.txt"
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echo "Backend: $BACKEND" >> "${RESULTS_DIR}/system-info.txt"
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ip addr show 2>/dev/null | grep -E "inet |mtu" >> "${RESULTS_DIR}/system-info.txt" || true
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echo "" >> "${RESULTS_DIR}/system-info.txt"
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# TCP Tests
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echo "--- TCP Throughput Tests ---"
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echo ""
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# Single stream TCP
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run_iperf3 "tcp-single" ""
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# Wait between tests
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sleep 2
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# Multi-stream TCP (8 parallel)
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run_iperf3 "tcp-multi-8" "-P 8"
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sleep 2
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# Reverse direction (download)
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run_iperf3 "tcp-reverse" "-R"
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sleep 2
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# UDP Tests
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echo ""
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echo "--- UDP Throughput Tests ---"
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echo ""
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# UDP maximum bandwidth (let iperf3 find the limit)
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run_iperf3 "udp-max" "-u -b 0"
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sleep 2
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# UDP at specific rates for comparison
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for rate in 1G 5G 10G; do
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run_iperf3 "udp-${rate}" "-u -b ${rate}"
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sleep 2
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done
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# Generate summary
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echo ""
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echo "=== Summary ==="
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SUMMARY_FILE="${RESULTS_DIR}/throughput-summary.txt"
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{
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echo "Volt Throughput 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: ${DURATION}s per test"
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echo ""
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echo "Results:"
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echo "--------"
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for json_file in "${RESULTS_DIR}"/*.json; do
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if [ -f "$json_file" ] && command -v jq &> /dev/null; then
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test_name=$(basename "$json_file" .json)
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# Try to extract metrics based on test type
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if [[ "$test_name" == udp-* ]]; then
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bps=$(jq -r '.end.sum.bits_per_second // 0' "$json_file" 2>/dev/null)
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loss=$(jq -r '.end.sum.lost_percent // 0' "$json_file" 2>/dev/null)
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gbps=$(echo "scale=2; $bps / 1000000000" | bc 2>/dev/null || echo "N/A")
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printf "%-20s %8s Gbps (loss: %.2f%%)\n" "$test_name:" "$gbps" "$loss"
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else
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bps=$(jq -r '.end.sum_sent.bits_per_second // 0' "$json_file" 2>/dev/null)
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gbps=$(echo "scale=2; $bps / 1000000000" | bc 2>/dev/null || echo "N/A")
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printf "%-20s %8s Gbps\n" "$test_name:" "$gbps"
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fi
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fi
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done
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} | tee "$SUMMARY_FILE"
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echo ""
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echo "Full results saved to: $RESULTS_DIR"
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echo "JSON files available for detailed analysis"
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