public override async Task <ResponseMessage> SendAsync(
RequestMessage request,
CancellationToken cancellationToken)
{
ResponseMessage responseMessage = await base.SendAsync(request, cancellationToken);
// Record the diagnostics on the response to get the CPU of when the request was executing
SystemUsageHistory systemUsageHistory = DiagnosticsHandlerHelper.Instance.GetDiagnosticsSystemHistory();
if (systemUsageHistory != null)
{
request.Trace.AddDatum(
"System Info",
new CpuHistoryTraceDatum(systemUsageHistory));
}
return(responseMessage);
}
/// <summary>
/// Record System Usage and update passed system Info collection. Right now, it collects following metrics
/// 1) CPU Usage
/// 2) Memory Remaining
/// 3) Available Threads
///
/// </summary>
/// <param name="systemUsageHistory"></param>
/// <param name="systemInfoCollection"></param>
/// <param name="isDirectConnectionMode"></param>
internal static void RecordSystemUsage(
SystemUsageHistory systemUsageHistory,
List <SystemInfo> systemInfoCollection,
bool isDirectConnectionMode)
{
if (systemUsageHistory.Values == null)
{
return;
}
DefaultTrace.TraceInformation("System Usage recorded by telemetry is : {0}", systemUsageHistory);
systemInfoCollection.Add(TelemetrySystemUsage.GetCpuInfo(systemUsageHistory.Values));
systemInfoCollection.Add(TelemetrySystemUsage.GetMemoryRemainingInfo(systemUsageHistory.Values));
systemInfoCollection.Add(TelemetrySystemUsage.GetAvailableThreadsInfo(systemUsageHistory.Values));
systemInfoCollection.Add(TelemetrySystemUsage.GetThreadWaitIntervalInMs(systemUsageHistory.Values));
systemInfoCollection.Add(TelemetrySystemUsage.GetThreadStarvationSignalCount(systemUsageHistory.Values));
if (isDirectConnectionMode)
{
systemInfoCollection.Add(TelemetrySystemUsage.GetTcpConnectionCount(systemUsageHistory.Values));
}
}
