sindricn
448 lines
12 KiB
Bash
448 lines
12 KiB
Bash
#!/bin/bash
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# s-hy2 性能监控脚本
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# 监控脚本执行性能和系统资源使用
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set -euo pipefail
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# 获取脚本目录
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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PROJECT_DIR="$(dirname "$SCRIPT_DIR")"
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# 加载性能工具
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if [[ -f "$SCRIPT_DIR/performance-utils.sh" ]]; then
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source "$SCRIPT_DIR/performance-utils.sh"
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fi
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# 性能监控配置
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MONITOR_LOG="$PROJECT_DIR/logs/performance.log"
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BENCHMARK_LOG="$PROJECT_DIR/logs/benchmark.log"
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# 创建日志目录
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mkdir -p "$(dirname "$MONITOR_LOG")"
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# 性能指标
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declare -g -A PERFORMANCE_METRICS=()
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declare -g -A FUNCTION_TIMINGS=()
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# ========== 性能测量函数 ==========
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# 开始计时
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start_timer() {
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local timer_name="$1"
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PERFORMANCE_METRICS["${timer_name}_start"]=$(date +%s.%N)
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}
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# 结束计时
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end_timer() {
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local timer_name="$1"
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local start_time="${PERFORMANCE_METRICS["${timer_name}_start"]:-}"
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if [[ -n "$start_time" ]]; then
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local end_time=$(date +%s.%N)
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local duration=$(echo "$end_time - $start_time" | bc -l 2>/dev/null || echo "0")
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PERFORMANCE_METRICS["${timer_name}_duration"]="$duration"
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echo "$duration"
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else
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echo "0"
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fi
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}
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# 记录函数执行时间
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time_function() {
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local function_name="$1"
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shift
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start_timer "$function_name"
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"$function_name" "$@"
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local result=$?
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local duration
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duration=$(end_timer "$function_name")
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FUNCTION_TIMINGS["$function_name"]="$duration"
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log_performance "函数 $function_name 执行时间: ${duration}秒"
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return $result
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}
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# 性能日志
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log_performance() {
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local message="$1"
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local timestamp=$(date '+%Y-%m-%d %H:%M:%S')
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echo "[$timestamp] $message" >> "$MONITOR_LOG"
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}
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# ========== 系统资源监控 ==========
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# 获取当前系统资源使用情况
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get_system_resources() {
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local cpu_usage memory_usage disk_usage load_avg
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# CPU使用率
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if command -v top >/dev/null 2>&1; then
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cpu_usage=$(top -bn1 | grep "Cpu(s)" | awk '{print $2}' | sed 's/%us,//' 2>/dev/null || echo "0")
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else
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cpu_usage="unknown"
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fi
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# 内存使用率
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if command -v free >/dev/null 2>&1; then
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memory_usage=$(free | awk '/^Mem:/ {printf "%.1f", $3/$2 * 100}' 2>/dev/null || echo "0")
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else
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memory_usage="unknown"
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fi
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# 磁盘使用率
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disk_usage=$(df / | awk 'NR==2 {print $5}' | sed 's/%//' 2>/dev/null || echo "0")
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# 系统负载
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if [[ -f /proc/loadavg ]]; then
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load_avg=$(cat /proc/loadavg | awk '{print $1}' 2>/dev/null || echo "0")
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else
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load_avg="unknown"
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fi
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cat << EOF
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{
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"cpu_usage": "$cpu_usage",
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"memory_usage": "$memory_usage",
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"disk_usage": "$disk_usage",
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"load_average": "$load_avg",
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"timestamp": "$(date +%s)"
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}
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EOF
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}
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# 监控脚本执行过程
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monitor_script_execution() {
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local script_name="$1"
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local script_path="$2"
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if [[ ! -f "$script_path" ]]; then
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log_performance "错误: 脚本不存在 - $script_path"
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return 1
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fi
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log_performance "开始监控脚本执行: $script_name"
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# 记录开始时的系统资源
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local start_resources
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start_resources=$(get_system_resources)
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# 执行脚本并计时
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start_timer "$script_name"
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local script_output exit_code
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script_output=$(timeout 300 bash "$script_path" 2>&1) || exit_code=$?
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exit_code=${exit_code:-0}
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local duration
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duration=$(end_timer "$script_name")
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# 记录结束时的系统资源
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local end_resources
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end_resources=$(get_system_resources)
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# 生成性能报告
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cat << EOF >> "$MONITOR_LOG"
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脚本执行报告:
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脚本名称: $script_name
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执行时间: ${duration}秒
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退出代码: $exit_code
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开始资源: $start_resources
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结束资源: $end_resources
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输出大小: $(echo "$script_output" | wc -c)字节
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EOF
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return $exit_code
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}
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# ========== 性能基准测试 ==========
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# 运行性能基准测试
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run_performance_benchmark() {
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local test_type="${1:-all}"
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log_performance "开始性能基准测试: $test_type"
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case "$test_type" in
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"disk")
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benchmark_disk_io
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;;
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"network")
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benchmark_network
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;;
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"scripts")
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benchmark_script_performance
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;;
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"all")
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benchmark_disk_io
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benchmark_network
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benchmark_script_performance
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;;
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*)
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log_performance "未知的基准测试类型: $test_type"
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return 1
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;;
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esac
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}
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# 磁盘IO基准测试
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benchmark_disk_io() {
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local test_file="/tmp/s-hy2-disk-test"
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local test_size="100M"
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log_performance "磁盘IO基准测试开始"
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# 写入测试
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start_timer "disk_write"
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if command -v dd >/dev/null 2>&1; then
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dd if=/dev/zero of="$test_file" bs=1M count=100 conv=fsync 2>/dev/null || true
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fi
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local write_time
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write_time=$(end_timer "disk_write")
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# 读取测试
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start_timer "disk_read"
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if [[ -f "$test_file" ]]; then
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dd if="$test_file" of=/dev/null bs=1M 2>/dev/null || true
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fi
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local read_time
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read_time=$(end_timer "disk_read")
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# 清理
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rm -f "$test_file" 2>/dev/null || true
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log_performance "磁盘IO测试结果: 写入=${write_time}秒, 读取=${read_time}秒"
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}
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# 网络基准测试
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benchmark_network() {
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log_performance "网络基准测试开始"
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# DNS解析测试
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start_timer "dns_resolve"
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if nslookup google.com >/dev/null 2>&1; then
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local dns_status="success"
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else
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local dns_status="failed"
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fi
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local dns_time
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dns_time=$(end_timer "dns_resolve")
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# 连接测试
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start_timer "network_connection"
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if timeout 5 bash -c 'echo >/dev/tcp/8.8.8.8/53' 2>/dev/null; then
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local conn_status="success"
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else
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local conn_status="failed"
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fi
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local conn_time
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conn_time=$(end_timer "network_connection")
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log_performance "网络测试结果: DNS解析=${dns_time}秒($dns_status), 连接测试=${conn_time}秒($conn_status)"
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}
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# 脚本性能基准测试
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benchmark_script_performance() {
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log_performance "脚本性能基准测试开始"
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local scripts_to_test=(
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"common.sh"
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"input-validation.sh"
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"config-loader.sh"
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)
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for script in "${scripts_to_test[@]}"; do
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local script_path="$SCRIPT_DIR/$script"
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if [[ -f "$script_path" ]]; then
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# 语法检查性能
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start_timer "syntax_check_$script"
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bash -n "$script_path" 2>/dev/null || true
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local syntax_time
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syntax_time=$(end_timer "syntax_check_$script")
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log_performance "脚本 $script 语法检查时间: ${syntax_time}秒"
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# 如果是库文件，测试加载时间
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if [[ "$script" == "common.sh" || "$script" == *.sh ]]; then
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start_timer "source_$script"
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(source "$script_path" 2>/dev/null || true) >/dev/null 2>&1
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local source_time
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source_time=$(end_timer "source_$script")
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log_performance "脚本 $script 加载时间: ${source_time}秒"
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fi
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fi
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done
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}
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# ========== 性能分析 ==========
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# 分析性能瓶颈
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analyze_performance_bottlenecks() {
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log_performance "开始性能瓶颈分析"
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# 分析函数执行时间
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if [[ ${#FUNCTION_TIMINGS[@]} -gt 0 ]]; then
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log_performance "函数执行时间分析:"
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# 排序并显示最慢的函数
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for func in "${!FUNCTION_TIMINGS[@]}"; do
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echo "${FUNCTION_TIMINGS[$func]} $func"
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done | sort -nr | head -10 | while read -r duration function; do
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log_performance " 慢函数: $function (${duration}秒)"
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done
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fi
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# 检查资源使用情况
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local current_resources
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current_resources=$(get_system_resources)
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log_performance "当前系统资源: $current_resources"
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# 建议优化措施
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suggest_optimizations
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}
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# 建议性能优化措施
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suggest_optimizations() {
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local suggestions=()
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# 检查CPU使用率
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local cpu_usage
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cpu_usage=$(get_system_resources | grep -o '"cpu_usage": "[^"]*"' | cut -d'"' -f4 | sed 's/%//')
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if [[ "$cpu_usage" != "unknown" && $(echo "$cpu_usage > 80" | bc -l 2>/dev/null) == "1" ]]; then
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suggestions+=("CPU使用率过高($cpu_usage%)，考虑减少并发操作")
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fi
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# 检查内存使用率
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local memory_usage
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memory_usage=$(get_system_resources | grep -o '"memory_usage": "[^"]*"' | cut -d'"' -f4)
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if [[ "$memory_usage" != "unknown" && $(echo "$memory_usage > 90" | bc -l 2>/dev/null) == "1" ]]; then
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suggestions+=("内存使用率过高($memory_usage%)，考虑优化内存使用")
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fi
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# 输出建议
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if [[ ${#suggestions[@]} -gt 0 ]]; then
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log_performance "性能优化建议:"
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for suggestion in "${suggestions[@]}"; do
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log_performance " - $suggestion"
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done
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else
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log_performance "系统性能正常，无特别优化建议"
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fi
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}
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# ========== 报告生成 ==========
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# 生成性能报告
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generate_performance_report() {
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local report_file="${1:-$PROJECT_DIR/logs/performance-report.html}"
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cat > "$report_file" << 'EOF'
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<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>s-hy2 性能监控报告</title>
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<style>
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body { font-family: Arial, sans-serif; margin: 20px; background: #f5f5f5; }
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.container { max-width: 1200px; margin: 0 auto; background: white; padding: 20px; border-radius: 8px; }
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.header { text-align: center; color: #333; }
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.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; margin: 20px 0; }
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.metric { background: #f8f9fa; padding: 15px; border-radius: 6px; border-left: 4px solid #007bff; }
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.metric-value { font-size: 1.5em; font-weight: bold; }
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.metric-label { color: #666; }
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.chart { margin: 20px 0; }
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pre { background: #f8f9fa; padding: 15px; border-radius: 4px; overflow-x: auto; }
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</style>
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</head>
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<body>
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<div class="container">
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<div class="header">
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<h1>📊 s-hy2 性能监控报告</h1>
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<p>生成时间: $(date)</p>
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</div>
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<div class="metrics">
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<div class="metric">
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<div class="metric-value">$(get_system_info_cached "cpu_count")</div>
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<div class="metric-label">CPU核心数</div>
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</div>
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<div class="metric">
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<div class="metric-value">$(get_system_info_cached "memory_total")MB</div>
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<div class="metric-label">总内存</div>
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</div>
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<div class="metric">
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<div class="metric-value">$(get_system_info_cached "disk_space")</div>
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<div class="metric-label">可用磁盘空间</div>
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</div>
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</div>
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<h2>📈 性能指标</h2>
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<pre>
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$(get_system_resources)
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</pre>
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<h2>🔧 性能建议</h2>
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<pre>
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$(suggest_optimizations 2>&1)
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</pre>
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<h2>📝 详细日志</h2>
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<pre>
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$(tail -50 "$MONITOR_LOG" 2>/dev/null || echo "暂无日志数据")
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</pre>
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</div>
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</body>
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</html>
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EOF
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log_performance "性能报告已生成: $report_file"
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}
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# ========== 主函数 ==========
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# 主监控函数
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main() {
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local action="${1:-monitor}"
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case "$action" in
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"monitor")
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log_performance "开始性能监控"
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analyze_performance_bottlenecks
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;;
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"benchmark")
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run_performance_benchmark "${2:-all}"
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;;
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"report")
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generate_performance_report "$2"
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;;
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"script")
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if [[ -n "${2:-}" ]]; then
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monitor_script_execution "$(basename "$2")" "$2"
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else
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echo "用法: $0 script <script_path>"
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return 1
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fi
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;;
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*)
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echo "用法: $0 {monitor|benchmark|report|script}"
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echo " monitor - 运行性能监控"
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echo " benchmark - 运行性能基准测试"
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echo " report - 生成性能报告"
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echo " script - 监控特定脚本执行"
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return 1
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;;
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esac
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}
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# 如果直接运行
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if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
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main "$@"
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fi |