runtime/pprof.profileBuilder.start (field)

4 uses

	runtime/pprof (current package)
		proto.go#L32: 	start      time.Time
		proto.go#L261: 		start:     time.Now(),
		proto.go#L340: 	b.pb.int64Opt(tagProfile_TimeNanos, b.start.UnixNano())
		proto.go#L344: 		b.pb.int64Opt(tagProfile_DurationNanos, b.end.Sub(b.start).Nanoseconds())