mv tools files to tools repo

tools/tm-bench/bench_test.go

@@ -0,0 +1,18 @@
+package main
+
+import (
+	"testing"
+	"time"
+)
+
+func BenchmarkTimingPerTx(b *testing.B) {
+	startTime := time.Now()
+	endTime := startTime.Add(time.Second)
+	for i := 0; i < b.N; i++ {
+		if i%20 == 0 {
+			if time.Now().After(endTime) {
+				continue
+			}
+		}
+	}
+}