func updateWithMemStats(platform boshplatform.Platform, hb boshmbus.Heartbeat) (updatedHb boshmbus.Heartbeat) { updatedHb = hb memStats, err := platform.GetMemStats() if err != nil { return } percent := float64(memStats.Used) / float64(memStats.Total) * 100 kb := memStats.Used / 1024 updatedHb.Vitals.UsedMem = boshmbus.MemStats{ Percent: fmt.Sprintf("%.0f", percent), Kb: fmt.Sprintf("%d", kb), } return }