Reconstruct the structure of go

cmd/status/metrics_process.go

@@ -0,0 +1,51 @@
+package main
+
+import (
+	"context"
+	"runtime"
+	"strconv"
+	"strings"
+	"time"
+)
+
+func collectTopProcesses() []ProcessInfo {
+	if runtime.GOOS != "darwin" {
+		return nil
+	}
+	ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
+	defer cancel()
+
+	// Use ps to get top processes by CPU
+	out, err := runCmd(ctx, "ps", "-Aceo", "pcpu,pmem,comm", "-r")
+	if err != nil {
+		return nil
+	}
+
+	lines := strings.Split(strings.TrimSpace(out), "\n")
+	var procs []ProcessInfo
+	for i, line := range lines {
+		if i == 0 { // skip header
+			continue
+		}
+		if i > 5 { // top 5
+			break
+		}
+		fields := strings.Fields(line)
+		if len(fields) < 3 {
+			continue
+		}
+		cpuVal, _ := strconv.ParseFloat(fields[0], 64)
+		memVal, _ := strconv.ParseFloat(fields[1], 64)
+		name := fields[len(fields)-1]
+		// Get just the process name without path
+		if idx := strings.LastIndex(name, "/"); idx >= 0 {
+			name = name[idx+1:]
+		}
+		procs = append(procs, ProcessInfo{
+			Name:   name,
+			CPU:    cpuVal,
+			Memory: memVal,
+		})
+	}
+	return procs
+}