go/statusz: factor out load avg to separate file
diff --git a/go/statusz/load.go b/go/statusz/load.go
new file mode 100644
index 0000000..2af5381
--- /dev/null
+++ b/go/statusz/load.go
@@ -0,0 +1,14 @@
+package statusz
+
+import "github.com/shirou/gopsutil/load"
+
+import "fmt"
+
+func loadAverage() string {
+	loadstr := "unknown"
+	l, err := load.Avg()
+	if err == nil {
+		loadstr = fmt.Sprintf("%.2f %.2f %.2f", l.Load1, l.Load5, l.Load15)
+	}
+	return loadstr
+}