ConfigureMetricsFlushInterval(
TimeSpan interval)
{
ManagementScope scope = new ManagementScope(@"root\virtualization\v2");
//
// Create an instance of the Msvm_MetricServiceSettingData class and set the specified
// metrics flush interval. Note that the TimeSpan must be converted to a DMTF time
// interval first.
//
string dmtfTimeInterval = ManagementDateTimeConverter.ToDmtfTimeInterval(interval);
string serviceSettingDataEmbedded;
using (ManagementClass serviceSettingDataClass = new ManagementClass(
"Msvm_MetricServiceSettingData"))
{
serviceSettingDataClass.Scope = scope;
using (ManagementObject serviceSettingData = serviceSettingDataClass.CreateInstance())
{
serviceSettingData["MetricsFlushInterval"] = dmtfTimeInterval;
serviceSettingDataEmbedded = serviceSettingData.GetText(TextFormat.WmiDtd20);
}
}
//
// Call the Msvm_MetricService::ModifyServiceSettings method. Note that the
// Msvm_MetricServiceSettingData instance must be passed as an embedded instance.
//
using (ManagementObject metricService = MetricUtilities.GetMetricService(scope))
{
using (ManagementBaseObject inParams =
metricService.GetMethodParameters("ModifyServiceSettings"))
{
inParams["SettingData"] = serviceSettingDataEmbedded;
using (ManagementBaseObject outParams =
metricService.InvokeMethod("ModifyServiceSettings", inParams, null))
{
WmiUtilities.ValidateOutput(outParams, scope);
Console.WriteLine(string.Format(CultureInfo.CurrentCulture,
"The MetricsFlushInterval was successfully configured to interval \"{0}\".",
interval.ToString()));
}
}
}
}
ControlMetrics(
string managedElementPath,
string metricDefinitionPath,
MetricOperation operation,
ManagementScope scope)
{
using (ManagementObject metricService = MetricUtilities.GetMetricService(scope))
{
using (ManagementBaseObject inParams =
metricService.GetMethodParameters("ControlMetrics"))
{
inParams["Subject"] = managedElementPath;
inParams["Definition"] = metricDefinitionPath;
inParams["MetricCollectionEnabled"] = (uint)operation;
using (ManagementBaseObject outParams =
metricService.InvokeMethod("ControlMetrics", inParams, null))
{
WmiUtilities.ValidateOutput(outParams, scope);
}
}
}
}