feat(config,server,makefile): 新增 pprof 性能分析端点支持
- 新增 PprofConfig 配置结构，支持路径和 IP 访问控制 - 实现 PprofHandler 处理器，提供 CPU/heap/goroutine/block/mutex profile - Makefile 新增 build-perf、build-pgo、pgo-collect 目标 - 支持 PGO (Profile-Guided Optimization) 构建 Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
parent
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commit
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3
.gitignore
vendored
3
.gitignore
vendored
@ -61,4 +61,5 @@ lolly.yaml
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config.yaml
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lolly
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coverage.html
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html/
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html/
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default.pgo
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64
Makefile
64
Makefile
@ -10,7 +10,7 @@ GO_VERSION := $(shell go version | awk '{print $$3}')
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BUILD_PLATFORM := $(shell go env GOOS)/$(shell go env GOARCH)
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BUILD_DIR := bin
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# 生产构建标志
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# 生产构建标志（体积优化）
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LDFLAGS := -ldflags "-s -w \
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-X 'rua.plus/lolly/internal/app.Version=$(VERSION)' \
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-X 'rua.plus/lolly/internal/app.GitCommit=$(GIT_COMMIT)' \
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@ -19,6 +19,10 @@ LDFLAGS := -ldflags "-s -w \
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-X 'rua.plus/lolly/internal/app.GoVersion=$(GO_VERSION)' \
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-X 'rua.plus/lolly/internal/app.BuildPlatform=$(BUILD_PLATFORM)'"
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# 运行时性能优化标志
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PERF_GCFLAGS := -gcflags="-l=4"
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PERF_ASMFLAGS := -asmflags="-l=4"
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# Go 文件
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MAIN_PATH := main.go
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@ -37,13 +41,64 @@ build:
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@echo "Built: $(BUILD_DIR)/$(APP_NAME)"
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@echo "Version: $(VERSION) | Commit: $(GIT_COMMIT) | Platform: $(BUILD_PLATFORM)"
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# 生产构建（优化）
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# 生产构建（体积优化）
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build-prod:
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@echo "Building $(APP_NAME) for production..."
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@mkdir -p $(BUILD_DIR)
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go build $(LDFLAGS) -trimpath -o $(BUILD_DIR)/$(APP_NAME) $(MAIN_PATH)
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@echo "Production build complete: $(BUILD_DIR)/$(APP_NAME)"
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# 生产构建（最大运行时性能）
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build-perf:
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@echo "Building $(APP_NAME) with max runtime performance..."
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@mkdir -p $(BUILD_DIR)
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go build $(LDFLAGS) $(PERF_GCFLAGS) $(PERF_ASMFLAGS) -trimpath \
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-o $(BUILD_DIR)/$(APP_NAME) $(MAIN_PATH)
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@echo "Performance build complete: $(BUILD_DIR)/$(APP_NAME)"
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# PGO 构建（需先收集 profile）
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PGO_PROFILE ?= default.pgo
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build-pgo:
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@echo "Building $(APP_NAME) with PGO optimization..."
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@mkdir -p $(BUILD_DIR)
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if [ -f $(PGO_PROFILE) ]; then \
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go build $(LDFLAGS) $(PERF_GCFLAGS) $(PERF_ASMFLAGS) -trimpath \
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-pgo=$(PGO_PROFILE) -o $(BUILD_DIR)/$(APP_NAME) $(MAIN_PATH); \
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echo "PGO build complete using: $(PGO_PROFILE)"; \
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else \
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echo "PGO profile not found: $(PGO_PROFILE)"; \
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echo "Run 'make pgo-collect' first to generate profile"; \
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exit 1; \
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fi
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# 收集 PGO profile（运行代表性 workload）
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pgo-collect:
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@echo "=== PGO Profile Collection Guide ==="
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@echo ""
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@echo "Step 1: Enable pprof in your config file:"
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@echo " monitoring:"
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@echo " pprof:"
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@echo " enabled: true"
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@echo " path: /debug/pprof"
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@echo " allow: [\"127.0.0.1\"]"
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@echo ""
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@echo "Step 2: Build and run lolly with representative workload:"
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@echo " make build && ./bin/lolly -c configs/lolly.yaml"
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@echo ""
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@echo "Step 3: Collect CPU profile (run during peak load):"
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@echo " curl http://localhost:<port>/debug/pprof/profile?seconds=30 > $(PGO_PROFILE)"
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@echo ""
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@echo "Step 4: Build with PGO optimization:"
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@echo " make build-pgo"
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@echo ""
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@echo "Available pprof endpoints:"
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@echo " /debug/pprof - Index page"
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@echo " /debug/pprof/profile - CPU profile (add ?seconds=N)"
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@echo " /debug/pprof/heap - Memory profile"
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@echo " /debug/pprof/goroutine - Goroutine count"
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@echo ""
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@echo "Tip: Profile during real workload for best PGO results"
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# 跨平台构建
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build-linux:
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@echo "Building for Linux..."
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@ -225,7 +280,10 @@ help:
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@echo ""
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@echo "Build:"
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@echo " make build - Build for current platform"
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@echo " make build-prod - Production build (optimized)"
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@echo " make build-prod - Production build (size optimized)"
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@echo " make build-perf - Production build (max runtime performance)"
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@echo " make build-pgo - PGO build (needs profile, use PGO_PROFILE=path)"
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@echo " make pgo-collect - Guide for collecting PGO profile"
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@echo " make build-all - Build for all platforms"
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@echo " make build-linux - Build for Linux amd64"
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@echo " make build-darwin - Build for macOS (amd64 + arm64)"
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@ -1166,6 +1166,39 @@ type MonitoringConfig struct {
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// Status 状态端点配置
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// 服务健康状态检查端点
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Status StatusConfig `yaml:"status"`
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// Pprof pprof 性能分析端点配置
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// 用于收集 CPU、内存等性能数据，支持 PGO 优化
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Pprof PprofConfig `yaml:"pprof"`
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}
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// PprofConfig pprof 性能分析端点配置。
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//
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// 配置 pprof 端点用于收集运行时性能数据。
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// 收集的 profile 可用于 PGO (Profile-Guided Optimization) 构建。
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//
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// 注意事项：
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// - 生产环境仅在收集 profile 时启用，完成后关闭
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// - 建议严格限制访问 IP，防止性能数据泄露
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// - CPU profile 收集需要代表性 workload
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//
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// 使用示例：
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//
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// pprof:
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// enabled: true
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// path: "/debug/pprof"
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// allow: ["127.0.0.1"]
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type PprofConfig struct {
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// Enabled 是否启用 pprof 端点
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Enabled bool `yaml:"enabled"`
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// Path 端点路径前缀
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// 默认为 "/debug/pprof"
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Path string `yaml:"path"`
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// Allow 允许访问的 IP 列表
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// 可访问 pprof 端点的 IP 地址或 CIDR
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Allow []string `yaml:"allow"`
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}
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// StatusConfig 状态监控端点配置。
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@ -137,6 +137,11 @@ func DefaultConfig() *Config {
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Path: "/_status",
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Allow: []string{"127.0.0.1"},
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},
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Pprof: PprofConfig{
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Enabled: false,
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Path: "/debug/pprof",
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Allow: []string{"127.0.0.1"},
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},
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},
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HTTP3: HTTP3Config{
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Enabled: false,
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@ -438,6 +443,13 @@ func GenerateConfigYAML(cfg *Config) ([]byte, error) {
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for _, ip := range cfg.Monitoring.Status.Allow {
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fmt.Fprintf(&buf, " - \"%s\"\n", ip)
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}
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buf.WriteString(" pprof: # pprof 性能分析端点（用于 PGO 优化）\n")
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fmt.Fprintf(&buf, " enabled: %v # 是否启用（生产环境仅在收集 profile 时启用）\n", cfg.Monitoring.Pprof.Enabled)
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fmt.Fprintf(&buf, " path: \"%s\" # 端点路径前缀\n", cfg.Monitoring.Pprof.Path)
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buf.WriteString(" allow: # 允许访问的 IP\n")
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for _, ip := range cfg.Monitoring.Pprof.Allow {
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fmt.Fprintf(&buf, " - \"%s\"\n", ip)
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}
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return buf.Bytes(), nil
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}
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238
internal/server/pprof.go
Normal file
238
internal/server/pprof.go
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@ -0,0 +1,238 @@
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// Package server 提供 pprof 性能分析端点支持。
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//
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// 该文件为 fasthttp 服务器提供 pprof 端点，用于收集：
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// - CPU profile（用于 PGO 优化）
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// - 内存分配 profile
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// - Goroutine 分析
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// - 阻塞分析
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// - 锁竞争分析
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//
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// 注意事项：
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// - 仅在配置启用时生效
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// - 生产环境建议限制访问 IP
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// - CPU profile 收集需要代表性 workload
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//
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// 作者：xfy
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package server
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import (
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"bufio"
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"fmt"
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"net"
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"strconv"
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"time"
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"github.com/valyala/fasthttp"
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"rua.plus/lolly/internal/config"
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)
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// PprofHandler pprof 性能分析处理器。
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//
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// 封装 fasthttp 的 pprof handler，提供 IP 访问控制。
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type PprofHandler struct {
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// path 端点路径前缀
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path string
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// allowedIPs 允许访问的 IP 列表
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allowedIPs []net.IP
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// allowedNets 允许访问的 CIDR 网络
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allowedNets []*net.IPNet
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}
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// NewPprofHandler 创建 pprof 处理器。
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//
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// 根据配置创建 pprof 端点处理器，包括 IP 访问控制。
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//
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// 参数：
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// - cfg: pprof 配置对象
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//
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// 返回值：
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// - *PprofHandler: 创建的处理器实例
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// - error: 创建过程中遇到的错误，如 CIDR 解析失败
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func NewPprofHandler(cfg *config.PprofConfig) (*PprofHandler, error) {
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if !cfg.Enabled {
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return nil, nil
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}
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path := cfg.Path
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if path == "" {
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path = "/debug/pprof"
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}
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h := &PprofHandler{path: path}
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// 解析允许的 IP 列表
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for _, ipStr := range cfg.Allow {
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if ip := net.ParseIP(ipStr); ip != nil {
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h.allowedIPs = append(h.allowedIPs, ip)
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continue
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}
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// 尝试解析 CIDR
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_, net, err := net.ParseCIDR(ipStr)
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if err != nil {
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return nil, fmt.Errorf("解析 IP/CIDR 失败: %s: %w", ipStr, err)
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}
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h.allowedNets = append(h.allowedNets, net)
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}
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// 默认只允许 localhost
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if len(h.allowedIPs) == 0 && len(h.allowedNets) == 0 {
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h.allowedIPs = []net.IP{net.ParseIP("127.0.0.1"), net.ParseIP("::1")}
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}
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return h, nil
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}
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// Path 返回 pprof 端点路径。
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func (h *PprofHandler) Path() string {
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return h.path
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}
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// ServeHTTP 处理 pprof 请求。
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//
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// 根据 URL 路径选择对应的 profile 处理器，
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// 并检查客户端 IP 是否在允许列表中。
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func (h *PprofHandler) ServeHTTP(ctx *fasthttp.RequestCtx) {
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// IP 访问控制
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if !h.isAllowed(ctx) {
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ctx.SetStatusCode(fasthttp.StatusForbidden)
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ctx.SetBodyString("Forbidden")
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return
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}
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// 根据路径分发
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path := string(ctx.Path())
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subPath := path[len(h.path):]
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switch {
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case subPath == "" || subPath == "/":
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h.handleIndex(ctx)
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case subPath == "/profile":
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h.handleCPU(ctx)
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case subPath == "/heap":
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h.handleHeap(ctx)
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case subPath == "/goroutine":
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h.handleGoroutine(ctx)
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case subPath == "/block":
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h.handleBlock(ctx)
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case subPath == "/mutex":
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h.handleMutex(ctx)
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default:
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ctx.SetStatusCode(fasthttp.StatusNotFound)
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ctx.SetBodyString("Unknown profile: " + subPath)
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}
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}
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// isAllowed 检查客户端 IP 是否允许访问。
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func (h *PprofHandler) isAllowed(ctx *fasthttp.RequestCtx) bool {
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if len(h.allowedIPs) == 0 && len(h.allowedNets) == 0 {
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return true // 无限制
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}
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ipStr := ctx.RemoteIP().String()
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clientIP := net.ParseIP(ipStr)
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if clientIP == nil {
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return false
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}
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// 检查精确 IP
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for _, ip := range h.allowedIPs {
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if ip.Equal(clientIP) {
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return true
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}
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}
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// 检查 CIDR 网络
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for _, net := range h.allowedNets {
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if net.Contains(clientIP) {
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return true
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}
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}
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return false
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}
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// handleIndex 处理索引页面。
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func (h *PprofHandler) handleIndex(ctx *fasthttp.RequestCtx) {
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ctx.SetContentType("text/html; charset=utf-8")
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html := `<html>
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<head><title>Pprof Profiles</title></head>
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<body>
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<h1>Pprof Profiles</h1>
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<table>
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<tr><td><a href="%s/profile?seconds=30">CPU Profile (30s)</a></td><td>CPU profile for 30 seconds</td></tr>
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<tr><td><a href="%s/heap">Heap Profile</a></td><td>Memory allocation profile</td></tr>
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<tr><td><a href="%s/goroutine">Goroutine Profile</a></td><td>Goroutine stack traces</td></tr>
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<tr><td><a href="%s/block">Block Profile</a></td><td>Blocking profile</td></tr>
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<tr><td><a href="%s/mutex">Mutex Profile</a></td><td>Mutex contention profile</td></tr>
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</table>
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<p>Usage: curl %s/profile?seconds=30 > cpu.pgo</p>
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</body>
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</html>`
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ctx.SetBodyString(fmt.Sprintf(html, h.path, h.path, h.path, h.path, h.path, h.path))
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}
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// handleCPU 处理 CPU profile 请求。
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func (h *PprofHandler) handleCPU(ctx *fasthttp.RequestCtx) {
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// 获取采集时长
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seconds := 30
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if secStr := ctx.QueryArgs().Peek("seconds"); secStr != nil {
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if sec, err := strconv.Atoi(string(secStr)); err == nil && sec > 0 {
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seconds = sec
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}
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}
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ctx.SetContentType("application/octet-stream")
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ctx.SetBodyStreamWriter(func(w *bufio.Writer) {
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// 启动 CPU profile
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if err := startCPUProfile(wrapBufioWriter(w)); err != nil {
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w.WriteString("Error starting CPU profile: " + err.Error())
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w.Flush()
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return
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}
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// 等待采集完成
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time.Sleep(time.Duration(seconds) * time.Second)
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// 厉止 CPU profile
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stopCPUProfile()
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w.Flush()
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})
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}
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// handleHeap 处理内存 profile 请求。
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func (h *PprofHandler) handleHeap(ctx *fasthttp.RequestCtx) {
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ctx.SetContentType("application/octet-stream")
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ctx.SetBodyStreamWriter(func(w *bufio.Writer) {
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writeHeapProfile(wrapBufioWriter(w))
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w.Flush()
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})
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}
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// handleGoroutine 处理 Goroutine profile 请求。
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func (h *PprofHandler) handleGoroutine(ctx *fasthttp.RequestCtx) {
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ctx.SetContentType("application/octet-stream")
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ctx.SetBodyStreamWriter(func(w *bufio.Writer) {
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writeGoroutineProfile(wrapBufioWriter(w))
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w.Flush()
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})
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}
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// handleBlock 处理阻塞 profile 请求。
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func (h *PprofHandler) handleBlock(ctx *fasthttp.RequestCtx) {
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ctx.SetContentType("application/octet-stream")
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ctx.SetBodyStreamWriter(func(w *bufio.Writer) {
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writeBlockProfile(wrapBufioWriter(w))
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w.Flush()
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})
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}
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// handleMutex 处理锁竞争 profile 请求。
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func (h *PprofHandler) handleMutex(ctx *fasthttp.RequestCtx) {
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ctx.SetContentType("application/octet-stream")
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ctx.SetBodyStreamWriter(func(w *bufio.Writer) {
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writeMutexProfile(wrapBufioWriter(w))
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w.Flush()
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})
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}
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104
internal/server/pprof_impl.go
Normal file
104
internal/server/pprof_impl.go
Normal file
@ -0,0 +1,104 @@
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// Package server 提供 pprof 性能分析的底层实现。
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//
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// 该文件封装 runtime/pprof 的调用，为 fasthttp 提供流式输出支持。
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//
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// 作者：xfy
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package server
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import (
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"bufio"
|
||||
"io"
|
||||
"runtime"
|
||||
"runtime/pprof"
|
||||
"sync"
|
||||
)
|
||||
|
||||
var (
|
||||
cpuProfileMu sync.Mutex
|
||||
cpuProfileWriter io.Writer
|
||||
cpuProfileActive bool
|
||||
)
|
||||
|
||||
// startCPUProfile 启动 CPU profile 采集。
|
||||
//
|
||||
// 参数：
|
||||
// - w: 输出 writer
|
||||
//
|
||||
// 返回值：
|
||||
// - error: 启动失败时的错误
|
||||
func startCPUProfile(w io.Writer) error {
|
||||
cpuProfileMu.Lock()
|
||||
defer cpuProfileMu.Unlock()
|
||||
|
||||
if cpuProfileActive {
|
||||
return nil // 已在采集，忽略
|
||||
}
|
||||
|
||||
if err := pprof.StartCPUProfile(w); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
cpuProfileWriter = w
|
||||
cpuProfileActive = true
|
||||
return nil
|
||||
}
|
||||
|
||||
// stopCPUProfile 厉止 CPU profile 采集。
|
||||
func stopCPUProfile() {
|
||||
cpuProfileMu.Lock()
|
||||
defer cpuProfileMu.Unlock()
|
||||
|
||||
if cpuProfileActive {
|
||||
pprof.StopCPUProfile()
|
||||
cpuProfileActive = false
|
||||
cpuProfileWriter = nil
|
||||
}
|
||||
}
|
||||
|
||||
// writeHeapProfile 写入内存分配 profile。
|
||||
func writeHeapProfile(w io.Writer) {
|
||||
runtime.GC() // 先执行 GC，获取更准确的数据
|
||||
pprof.WriteHeapProfile(w)
|
||||
}
|
||||
|
||||
// writeGoroutineProfile 写入 Goroutine stack traces。
|
||||
func writeGoroutineProfile(w io.Writer) {
|
||||
p := pprof.Lookup("goroutine")
|
||||
if p != nil {
|
||||
p.WriteTo(w, 0)
|
||||
}
|
||||
}
|
||||
|
||||
// writeBlockProfile 写入阻塞 profile。
|
||||
func writeBlockProfile(w io.Writer) {
|
||||
p := pprof.Lookup("block")
|
||||
if p != nil {
|
||||
p.WriteTo(w, 0)
|
||||
}
|
||||
}
|
||||
|
||||
// writeMutexProfile 写入锁竞争 profile。
|
||||
func writeMutexProfile(w io.Writer) {
|
||||
p := pprof.Lookup("mutex")
|
||||
if p != nil {
|
||||
p.WriteTo(w, 0)
|
||||
}
|
||||
}
|
||||
|
||||
// bufioWriterAdapter 将 bufio.Writer 包装为 io.Writer，自动 Flush。
|
||||
type bufioWriterAdapter struct {
|
||||
w *bufio.Writer
|
||||
}
|
||||
|
||||
func (a *bufioWriterAdapter) Write(p []byte) (n int, err error) {
|
||||
n, err = a.w.Write(p)
|
||||
if err == nil {
|
||||
a.w.Flush()
|
||||
}
|
||||
return n, err
|
||||
}
|
||||
|
||||
// wrapBufioWriter 将 bufio.Writer 包装为 io.Writer。
|
||||
func wrapBufioWriter(w *bufio.Writer) io.Writer {
|
||||
return &bufioWriterAdapter{w: w}
|
||||
}
|
||||
@ -388,6 +388,17 @@ func (s *Server) startSingleMode() error {
|
||||
}
|
||||
}
|
||||
|
||||
// 注册 pprof 性能分析端点（如果配置）
|
||||
if s.config.Monitoring.Pprof.Enabled {
|
||||
pprofHandler, err := NewPprofHandler(&s.config.Monitoring.Pprof)
|
||||
if err != nil {
|
||||
logging.Error().Msg("创建 pprof 处理器失败: " + err.Error())
|
||||
} else {
|
||||
router.GET(pprofHandler.Path(), pprofHandler.ServeHTTP)
|
||||
router.GET(pprofHandler.Path()+"/{profile:*}", pprofHandler.ServeHTTP)
|
||||
}
|
||||
}
|
||||
|
||||
// 注册代理路由
|
||||
s.registerProxyRoutes(router, &s.config.Server)
|
||||
|
||||
@ -491,6 +502,17 @@ func (s *Server) startVHostMode() error {
|
||||
}
|
||||
}
|
||||
|
||||
// 注册 pprof 性能分析端点（如果配置）
|
||||
if s.config.Monitoring.Pprof.Enabled {
|
||||
pprofHandler, err := NewPprofHandler(&s.config.Monitoring.Pprof)
|
||||
if err != nil {
|
||||
logging.Error().Msg("创建 pprof 处理器失败: " + err.Error())
|
||||
} else {
|
||||
router.GET(pprofHandler.Path(), pprofHandler.ServeHTTP)
|
||||
router.GET(pprofHandler.Path()+"/{profile:*}", pprofHandler.ServeHTTP)
|
||||
}
|
||||
}
|
||||
|
||||
s.registerProxyRoutes(router, &s.config.Server)
|
||||
|
||||
// 静态文件
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user