fix: nodata timeout check

plugin/debug/index.go

@@ -557,6 +557,12 @@ func (p *DebugPlugin) GetHeapGraph(ctx context.Context, empty *emptypb.Empty) (*
 	if err != nil {
 		return nil, err
 	}
+
+	// 清理不重要的函数，使图形更干净明了
+	if err := profile.RemoveUninteresting(); err != nil {
+		return nil, fmt.Errorf("could not remove uninteresting functions: %v", err)
+	}
+
 	// Generate dot graph.
 	dot, err := debug.GetDotGraph(profile)
 	if err != nil {

plugin/debug/pkg/index.go

@@ -9,7 +9,12 @@ import (
 )
 
 func GetDotGraph(profile *profile.Profile) (string, error) {
-	rpt := report.NewDefault(profile, report.Options{})
+	// 设置节点数量限制，使图形更简洁（类似官方 pprof）
+	options := report.Options{
+		NodeCount:    80,    // 限制最大节点数
+		NodeFraction: 0.005, // 过滤掉小于 0.5% 的节点
+	}
+	rpt := report.NewDefault(profile, options)
 	g, config := report.GetDOT(rpt)
 	dot := &bytes.Buffer{}
 	graph.ComposeDot(dot, g, &graph.DotAttributes{}, config)

plugin/debug/pkg/internal/graph/graph.go

@@ -166,9 +166,10 @@ func (i *NodeInfo) PrintableName() string {
 // NameComponents returns the components of the printable name to be used for a node.
 func (i *NodeInfo) NameComponents() []string {
 	var name []string
-	if i.Address != 0 {
-		name = append(name, fmt.Sprintf("%016x", i.Address))
-	}
+	// 注释掉内存地址显示，使图形更简洁
+	// if i.Address != 0 {
+	//	name = append(name, fmt.Sprintf("%016x", i.Address))
+	// }
 	if fun := i.Name; fun != "" {
 		name = append(name, fun)
 	}