} else if startTime > 0 {
		m.Set(processStartTimeSeconds, float64(startTime))
	}
}

func loadProcIOMetrics(ctx context.Context, io procfs.ProcIO, m MetricValues) {
	if io.RChar > 0 {
		m.Set(processIORCharBytes, float64(io.RChar))
	}

	if io.ReadBytes > 0 {
		m.Set(processIOReadBytes, float64(io.ReadBytes))
	}

	if io.WChar > 0 {
		m.Set(processIOWCharBytes, float64(io.WChar))
	}

          "expr": "rate(minio_node_io_rchar_bytes{job=~\"$scrape_jobs\"}[$__rate_interval])",
          "format": "time_series",
          "instant": false,
          "interval": "",
          "legendFormat": "Node RChar [{{server}}]",
          "refId": "A"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "exemplar": true,

| `minio_system_process_io_rchar_bytes`              | Total bytes read by the process from the underlying storage system including cache, /proc/[pid]/io rchar. <br><br>Type: counter       | `server` |

| `minio_node_io_rchar_bytes`                | Total bytes read by the process from the underlying storage system including cache, /proc/[pid]/io rchar.       |
| `minio_node_io_read_bytes`                 | Total bytes read by the process from the underlying storage system, /proc/[pid]/io read_bytes.                  |

				MetricV2{
					Description: getMinioProcessIOWriteBytesMD(),
					Value:       float64(io.WriteBytes),
				})
		}

		if io.RChar > 0 {
			metrics = append(metrics,
				MetricV2{
					Description: getMinioProcessIOReadCachedBytesMD(),
					Value:       float64(io.RChar),
				})
		}

		if io.WChar > 0 {
			metrics = append(metrics,
				MetricV2{