chore: use time.Now() instead of timex.Time() because go optimized it (#1860)

core/timex/relativetime.go

@@ -15,8 +15,3 @@ func Now() time.Duration {
 func Since(d time.Duration) time.Duration {
 	return time.Since(initTime) - d
 }
-
-// Time returns current time, the same as time.Now().
-func Time() time.Time {
-	return initTime.Add(Now())
-}

core/timex/relativetime_test.go

@@ -15,11 +15,18 @@ func TestRelativeTime(t *testing.T) {
 	assert.True(t, Since(now) > 0)
 }
 
-func TestRelativeTime_Time(t *testing.T) {
-	diff := time.Until(Time())
-	if diff > 0 {
-		assert.True(t, diff < time.Second)
-	} else {
-		assert.True(t, -diff < time.Second)
+func BenchmarkTimeSince(b *testing.B) {
+	b.ReportAllocs()
+
+	for i := 0; i < b.N; i++ {
+		_ = time.Since(time.Now())
+	}
+}
+
+func BenchmarkTimexSince(b *testing.B) {
+	b.ReportAllocs()
+
+	for i := 0; i < b.N; i++ {
+		_ = Since(Now())
 	}
 }

core/timex/ticker.go

@@ -67,7 +67,7 @@ func (ft *fakeTicker) Stop() {
 }
 
 func (ft *fakeTicker) Tick() {
-	ft.c <- Time()
+	ft.c <- time.Now()
 }
 
 func (ft *fakeTicker) Wait(d time.Duration) error {