diff --git a/metrics.go b/metrics.go
index f08298b..fd694b7 100644
--- a/metrics.go
+++ b/metrics.go
@@ -200,4 +200,28 @@ var (
 		},
 		nil,
 	)
+	metricDeviceSelfTestLogCount = prometheus.NewDesc(
+		"smartctl_device_self_test_log_count",
+		"Device SMART self test log count",
+		[]string{
+			"device",
+			"model_family",
+			"model_name",
+			"serial_number",
+			"self_test_log_type",
+		},
+		nil,
+	)
+	metricDeviceSelfTestLogErrorCount = prometheus.NewDesc(
+		"smartctl_device_self_test_log_error_count",
+		"Device SMART self test log error count",
+		[]string{
+			"device",
+			"model_family",
+			"model_name",
+			"serial_number",
+			"self_test_log_type",
+		},
+		nil,
+	)
 )
diff --git a/smartctl.go b/smartctl.go
index 0958cf7..d8aab2d 100644
--- a/smartctl.go
+++ b/smartctl.go
@@ -53,6 +53,7 @@ func (smart *SMARTctl) Collect() {
 	smart.mineDeviceStatistics()
 	smart.mineDeviceStatus()
 	smart.mineDeviceErrorLog()
+	smart.mineDeviceSelfTestLog()
 }
 
 func (smart *SMARTctl) mineExitStatus() {
@@ -328,3 +329,28 @@ func (smart *SMARTctl) mineDeviceErrorLog() {
 		)
 	}
 }
+
+func (smart *SMARTctl) mineDeviceSelfTestLog() {
+	for logType, status := range smart.json.Get("ata_smart_self_test_log").Map() {
+		smart.ch <- prometheus.MustNewConstMetric(
+			metricDeviceSelfTestLogCount,
+			prometheus.GaugeValue,
+			status.Get("count").Float(),
+			smart.device.device,
+			smart.device.family,
+			smart.device.model,
+			smart.device.serial,
+			logType,
+		)
+		smart.ch <- prometheus.MustNewConstMetric(
+			metricDeviceSelfTestLogErrorCount,
+			prometheus.GaugeValue,
+			status.Get("error_count_total").Float(),
+			smart.device.device,
+			smart.device.family,
+			smart.device.model,
+			smart.device.serial,
+			logType,
+		)
+	}
+}