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