util: add TimeProfile

pkg/util/profile.go

@@ -0,0 +1,22 @@
+package util
+
+import "time"
+
+type TimeProfile struct {
+	StartTime, EndTime time.Time
+	Duration           time.Duration
+}
+
+func StartTimeProfile() TimeProfile {
+	return TimeProfile{StartTime: time.Now()}
+}
+
+func (p *TimeProfile) TilNow() time.Duration {
+	return time.Now().Sub(p.StartTime)
+}
+
+func (p *TimeProfile) Stop() time.Duration {
+	p.EndTime = time.Now()
+	p.Duration = p.EndTime.Sub(p.StartTime)
+	return p.Duration
+}