public static bool TryGetCounterPayload(this TraceEvent traceEvent, CounterFilter filter, out ICounterPayload payload)
{
payload = null;
if ("EventCounters".Equals(traceEvent.EventName))
{
IDictionary <string, object> payloadVal = (IDictionary <string, object>)(traceEvent.PayloadValue(0));
IDictionary <string, object> payloadFields = (IDictionary <string, object>)(payloadVal["Payload"]);
//Make sure we are part of the requested series. If multiple clients request metrics, all of them get the metrics.
string series = payloadFields["Series"].ToString();
string counterName = payloadFields["Name"].ToString();
//CONSIDER
//Concurrent counter sessions do not each get a separate interval. Instead the payload
//for _all_ the counters changes the Series to be the lowest specified interval, on a per provider basis.
//Currently the CounterFilter will remove any data whose Series doesn't match the requested interval.
if (!filter.IsIncluded(traceEvent.ProviderName, counterName, GetInterval(series)))
{
return(false);
}
float intervalSec = (float)payloadFields["IntervalSec"];
string displayName = payloadFields["DisplayName"].ToString();
string displayUnits = payloadFields["DisplayUnits"].ToString();
double value = 0;
CounterType counterType = CounterType.Metric;
if (payloadFields["CounterType"].Equals("Mean"))
{
value = (double)payloadFields["Mean"];
}
else if (payloadFields["CounterType"].Equals("Sum"))
{
counterType = CounterType.Rate;
value = (double)payloadFields["Increment"];
if (string.IsNullOrEmpty(displayUnits))
{
displayUnits = "count";
}
//TODO Should we make these /sec like the dotnet-counters tool?
}
// Note that dimensional data such as pod and namespace are automatically added in prometheus and azure monitor scenarios.
// We no longer added it here.
payload = new CounterPayload(
traceEvent.TimeStamp,
traceEvent.ProviderName,
counterName, displayName,
displayUnits,
value,
counterType,
intervalSec);
return(true);
}
return(false);
}
private void HandleEventCounters(EventPipeEventSource source)
{
ExecuteCounterLoggerAction((metricLogger) => metricLogger.PipelineStarted());
source.Dynamic.All += traceEvent =>
{
try
{
// Metrics
if (traceEvent.EventName.Equals("EventCounters"))
{
IDictionary <string, object> payloadVal = (IDictionary <string, object>)(traceEvent.PayloadValue(0));
IDictionary <string, object> payloadFields = (IDictionary <string, object>)(payloadVal["Payload"]);
//Make sure we are part of the requested series. If multiple clients request metrics, all of them get the metrics.
string series = payloadFields["Series"].ToString();
if (GetInterval(series) != _metricIntervalSeconds * 1000)
{
return;
}
string counterName = payloadFields["Name"].ToString();
if (!_counterFilter.IsIncluded(traceEvent.ProviderName, counterName))
{
return;
}
float intervalSec = (float)payloadFields["IntervalSec"];
string displayName = payloadFields["DisplayName"].ToString();
string displayUnits = payloadFields["DisplayUnits"].ToString();
double value = 0;
CounterType counterType = CounterType.Metric;
if (payloadFields["CounterType"].Equals("Mean"))
{
value = (double)payloadFields["Mean"];
}
else if (payloadFields["CounterType"].Equals("Sum"))
{
counterType = CounterType.Rate;
value = (double)payloadFields["Increment"];
if (string.IsNullOrEmpty(displayUnits))
{
displayUnits = "count";
}
//TODO Should we make these /sec like the dotnet-counters tool?
}
// Note that dimensional data such as pod and namespace are automatically added in prometheus and azure monitor scenarios.
// We no longer added it here.
var counterPayload = new CounterPayload(traceEvent.TimeStamp,
traceEvent.ProviderName,
counterName, displayName,
displayUnits,
value,
counterType,
intervalSec);
ExecuteCounterLoggerAction((metricLogger) => metricLogger.Log(counterPayload));
}
}
catch (Exception)
{
}
};
}
protected override async Task OnEventSourceAvailable(EventPipeEventSource eventSource, Func <Task> stopSessionAsync, CancellationToken token)
{
ExecuteCounterLoggerAction((metricLogger) => metricLogger.PipelineStarted());
eventSource.Dynamic.All += traceEvent =>
{
try
{
// Metrics
if (traceEvent.EventName.Equals("EventCounters"))
{
IDictionary <string, object> payloadVal = (IDictionary <string, object>)(traceEvent.PayloadValue(0));
IDictionary <string, object> payloadFields = (IDictionary <string, object>)(payloadVal["Payload"]);
//Make sure we are part of the requested series. If multiple clients request metrics, all of them get the metrics.
string series = payloadFields["Series"].ToString();
if (GetInterval(series) != CounterIntervalSeconds * 1000)
{
return;
}
string counterName = payloadFields["Name"].ToString();
if (!_filter.IsIncluded(traceEvent.ProviderName, counterName))
{
return;
}
float intervalSec = (float)payloadFields["IntervalSec"];
string displayName = payloadFields["DisplayName"].ToString();
string displayUnits = payloadFields["DisplayUnits"].ToString();
double value = 0;
CounterType counterType = CounterType.Metric;
if (payloadFields["CounterType"].Equals("Mean"))
{
value = (double)payloadFields["Mean"];
}
else if (payloadFields["CounterType"].Equals("Sum"))
{
counterType = CounterType.Rate;
value = (double)payloadFields["Increment"];
if (string.IsNullOrEmpty(displayUnits))
{
displayUnits = "count";
}
//TODO Should we make these /sec like the dotnet-counters tool?
}
// Note that dimensional data such as pod and namespace are automatically added in prometheus and azure monitor scenarios.
// We no longer added it here.
var counterPayload = new CounterPayload(traceEvent.TimeStamp,
traceEvent.ProviderName,
counterName, displayName,
displayUnits,
value,
counterType,
intervalSec);
ExecuteCounterLoggerAction((metricLogger) => metricLogger.Log(counterPayload));
}
}
catch (Exception)
{
}
};
using var sourceCompletedTaskSource = new EventTaskSource <Action>(
taskComplete => taskComplete,
handler => eventSource.Completed += handler,
handler => eventSource.Completed -= handler,
token);
await sourceCompletedTaskSource.Task;
ExecuteCounterLoggerAction((metricLogger) => metricLogger.PipelineStopped());
}