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Added additional smart attribute identification and a write amplification sensor for Sandforce based SSDs.

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This commit is contained in:
Michael Möller
2012-02-13 21:56:29 +00:00
parent b9edd942b0
commit 3f9d9da2f0
4 changed files with 63 additions and 26 deletions
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13
Hardware/HDD/AbstractHarddrive.cs
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@@ -183,6 +183,7 @@ namespace OpenHardwareMonitor.Hardware.HDD {
settings); settings);
sensors.Add(attribute, sensor); sensors.Add(attribute, sensor);
ActivateSensor(sensor);
sensorTypeAndChannels.Add(pair); sensorTypeAndChannels.Add(pair);
} }
} }
@@ -192,13 +193,7 @@ namespace OpenHardwareMonitor.Hardware.HDD {
get { return HardwareType.HDD; } get { return HardwareType.HDD; }
} }
public override ISensor[] Sensors { public virtual void UpdateAdditionalSensors(DriveAttributeValue[] values) {}
get {
Sensor[] array = new Sensor[sensors.Count];
sensors.Values.CopyTo(array, 0);
return array;
}
}
public override void Update() { public override void Update() {
if (count == 0) { if (count == 0) {
@@ -212,7 +207,9 @@ namespace OpenHardwareMonitor.Hardware.HDD {
sensor.Value = attribute.ConvertValue(value); sensor.Value = attribute.ConvertValue(value);
} }
} }
} }
UpdateAdditionalSensors(values);
} }
count++; count++;

60
Hardware/HDD/SSDSandforce.cs
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@@ -44,30 +44,58 @@ namespace OpenHardwareMonitor.Hardware.HDD {
private static readonly IEnumerable<SmartAttribute> smartAttributes = private static readonly IEnumerable<SmartAttribute> smartAttributes =
new List<SmartAttribute> { new List<SmartAttribute> {
new SmartAttribute(0x05, SmartNames.RetiredBlockCount), new SmartAttribute(0x01, SmartNames.RawReadErrorRate),
new SmartAttribute(0x05, SmartNames.RetiredBlockCount, RawToInt),
new SmartAttribute(0x09, SmartNames.PowerOnHours, RawToInt), new SmartAttribute(0x09, SmartNames.PowerOnHours, RawToInt),
new SmartAttribute(0x0C, SmartNames.PowerCycleCount, RawToInt), new SmartAttribute(0x0C, SmartNames.PowerCycleCount, RawToInt),
new SmartAttribute(0xAB, SmartNames.ProgramFailCount), new SmartAttribute(0xAB, SmartNames.ProgramFailCount, RawToInt),
new SmartAttribute(0xAC, SmartNames.EraseFailCount), new SmartAttribute(0xAC, SmartNames.EraseFailCount, RawToInt),
new SmartAttribute(0xAE, SmartNames.UnexpectedPowerLossCount), new SmartAttribute(0xAE, SmartNames.UnexpectedPowerLossCount, RawToInt),
new SmartAttribute(0xB1, SmartNames.WearRangeDelta), new SmartAttribute(0xB1, SmartNames.WearRangeDelta, RawToInt),
new SmartAttribute(0xB5, SmartNames.AlternativeProgramFailCount), new SmartAttribute(0xB5, SmartNames.AlternativeProgramFailCount, RawToInt),
new SmartAttribute(0xB6, SmartNames.AlternativeEraseFailCount), new SmartAttribute(0xB6, SmartNames.AlternativeEraseFailCount, RawToInt),
new SmartAttribute(0xBB, SmartNames.UncorrectableErrorCount, RawToInt),
new SmartAttribute(0xC2, SmartNames.Temperature,
(byte[] raw, byte value) => { return value; }),
new SmartAttribute(0xC3, SmartNames.UnrecoverableEcc), new SmartAttribute(0xC3, SmartNames.UnrecoverableEcc),
new SmartAttribute(0xC4, SmartNames.ReallocationEventCount), new SmartAttribute(0xC4, SmartNames.ReallocationEventCount, RawToInt),
new SmartAttribute(0xE7, SmartNames.RemainingLife, new SmartAttribute(0xE7, SmartNames.RemainingLife, null,
null, SensorType.Level, 0), SensorType.Level, 0),
new SmartAttribute(0xF1, SmartNames.HostWrites, new SmartAttribute(0xE9, SmartNames.ControllerWritesToNAND, RawToInt,
(byte[] r, byte v) => { return RawToInt(r, v); },
SensorType.Data, 0), SensorType.Data, 0),
new SmartAttribute(0xF2, SmartNames.HostReads, new SmartAttribute(0xEA, SmartNames.HostWritesToController, RawToInt,
(byte[] r, byte v) => { return RawToInt(r, v); }, SensorType.Data, 1),
SensorType.Data, 1) new SmartAttribute(0xF1, SmartNames.HostWrites, RawToInt,
SensorType.Data, 1),
new SmartAttribute(0xF2, SmartNames.HostReads, RawToInt,
SensorType.Data, 2)
}; };
private Sensor writeAmplification;
public SSDSandforce(ISmart smart, string name, string firmwareRevision, public SSDSandforce(ISmart smart, string name, string firmwareRevision,
int index, ISettings settings) int index, ISettings settings)
: base(smart, name, firmwareRevision, index, smartAttributes, settings) : base(smart, name, firmwareRevision, index, smartAttributes, settings)
{ } {
this.writeAmplification = new Sensor("Write Amplification", 1,
SensorType.Level, this, settings);
}
public override void UpdateAdditionalSensors(DriveAttributeValue[] values) {
float? controllerWritesToNAND = null;
float? hostWritesToController = null;
foreach (DriveAttributeValue value in values) {
if (value.Identifier == 0xE9)
controllerWritesToNAND = RawToInt(value.RawValue, value.AttrValue);
if (value.Identifier == 0xEA)
hostWritesToController = RawToInt(value.RawValue, value.AttrValue);
}
if (controllerWritesToNAND.HasValue && hostWritesToController.HasValue) {
writeAmplification.Value = 100 *
controllerWritesToNAND.Value / hostWritesToController.Value;
ActivateSensor(writeAmplification);
}
}
} }
} }

12
Hardware/HDD/SmartNames.cs
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@@ -493,5 +493,17 @@ namespace OpenHardwareMonitor.Hardware.HDD {
public static string ExceptionModeStatus { public static string ExceptionModeStatus {
get { return "Exception Mode Status"; } get { return "Exception Mode Status"; }
} }
public static string ControllerWritesToNAND {
get { return "Controller Writes to NAND"; }
}
public static string HostWritesToController {
get { return "Host Writes to Controller"; }
}
public static string RawReadErrorRate {
get { return "Raw Read Error Rate"; }
}
} }
} }

4
Properties/AssemblyVersion.cs
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@@ -37,5 +37,5 @@
using System.Reflection; using System.Reflection;
[assembly: AssemblyVersion("0.4.0.1")] [assembly: AssemblyVersion("0.4.0.2")]
[assembly: AssemblyInformationalVersion("0.4.0.1 Alpha")] [assembly: AssemblyInformationalVersion("0.4.0.2 Alpha")]