Initial commit (code only without large binaries)

EdgeAPI/internal/utils/testutils/memory.go

@@ -0,0 +1,51 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package testutils
+
+import (
+	"fmt"
+	timeutil "github.com/iwind/TeaGo/utils/time"
+	"runtime"
+	"testing"
+	"time"
+)
+
+func StartMemoryStatsGC(t *testing.T) {
+	var ticker = time.NewTicker(1 * time.Second)
+	go func() {
+		var stat = &runtime.MemStats{}
+		var lastHeapInUse uint64
+
+		for range ticker.C {
+			runtime.ReadMemStats(stat)
+			if stat.HeapInuse == lastHeapInUse {
+				return
+			}
+			lastHeapInUse = stat.HeapInuse
+
+			var before = time.Now()
+			runtime.GC()
+			var cost = time.Since(before).Seconds()
+
+			t.Log(timeutil.Format("H:i:s"), "HeapInuse:", fmt.Sprintf("%.2fM", float64(stat.HeapInuse)/1024/1024), "NumGC:", stat.NumGC, "Cost:", fmt.Sprintf("%.4f", cost*1000), "ms")
+		}
+	}()
+}
+
+func StartMemoryStats(t *testing.T) {
+	var ticker = time.NewTicker(1 * time.Second)
+	go func() {
+		var stat = &runtime.MemStats{}
+		var lastHeapInUse uint64
+
+		for range ticker.C {
+			runtime.ReadMemStats(stat)
+			if stat.HeapInuse == lastHeapInUse {
+				return
+			}
+			lastHeapInUse = stat.HeapInuse
+
+			t.Log(timeutil.Format("H:i:s"), "HeapInuse:", fmt.Sprintf("%.2fM", float64(stat.HeapInuse)/1024/1024), "NumGC:", stat.NumGC)
+		}
+	}()
+}