private static void PrintRuntimeGCEvents(string file)
{
var source = new EventPipeEventSource(file);
// https://devblogs.microsoft.com/dotnet/glad-part-2/
source.NeedLoadedDotNetRuntimes();
source.AddCallbackOnProcessStart(proc =>
{
proc.AddCallbackOnDotNetRuntimeLoad(runtime =>
{
runtime.GCEnd += RuntimeOnGCEnd;
});
});
//source.Clr.All += (TraceEvent obj) => { Console.WriteLine(obj.EventName); };
try
{
source.Process();
}
// NOTE: This exception does not currently exist. It is something that needs to be added to TraceEvent.
catch (Exception e)
{
Console.WriteLine("Error encountered while processing events");
Console.WriteLine(e.ToString());
}
}
public void Start()
{
Task.Run(() => {
try {
var client = new DiagnosticsClient(_pid);
_session = client.StartEventPipeSession(_providers, false);
using var source = new EventPipeEventSource(_session.EventStream);
source.NeedLoadedDotNetRuntimes();
source.AddCallbackOnProcessStart(proc => {
if (proc.ProcessID != _pid)
{
return;
}
proc.AddCallbackOnDotNetRuntimeLoad(runtime => {
runtime.GCEnd += (process, gc) => {
var key = $"gen-{gc.Generation}-gc-collection-count";
_collectedStats.TryGetValue(key, out var collected);
_collectedStats[key] = ++collected;
};
});
});
source.Dynamic.All += obj => {
if (obj.EventName.Equals("EventCounters"))
{
var payload = (IDictionary <string, object>)obj.PayloadValue(0);
var pairs = (IDictionary <string, object>)(payload["Payload"]);
var name = string.Intern(pairs["Name"].ToString());
var counterType = pairs["CounterType"];
if (counterType.Equals("Sum"))
{
_collectedStats[name] = double.Parse(pairs["Increment"].ToString());
}
if (counterType.Equals("Mean"))
{
_collectedStats[name] = double.Parse(pairs["Mean"].ToString());
}
}
};
source.Process();
} catch (ObjectDisposedException) {
// ignore exception on shutdown
} catch (Exception exception) {
Log.Warning(exception, "Error encountered while processing events");
}
});
}
static void PrintRuntimeGCEvents(int processId)
{
var providers = new List <EventPipeProvider>()
{
new EventPipeProvider("Microsoft-Windows-DotNETRuntime",
EventLevel.Informational, (long)ClrTraceEventParser.Keywords.GC)
};
var client = new DiagnosticsClient(processId);
using (var session = client.StartEventPipeSession(providers, false))
{
var source = new EventPipeEventSource(session.EventStream);
// https://devblogs.microsoft.com/dotnet/glad-part-2/
source.NeedLoadedDotNetRuntimes();
source.AddCallbackOnProcessStart(proc =>
{
proc.AddCallbackOnDotNetRuntimeLoad(runtime =>
{
runtime.GCEnd += RuntimeOnGCEnd;
});
});
source.Clr.All += (TraceEvent obj) => { Console.WriteLine(obj.EventName); };
try
{
source.Process();
}
// NOTE: This exception does not currently exist. It is something that needs to be added to TraceEvent.
catch (Exception e)
{
Console.WriteLine("Error encountered while processing events");
Console.WriteLine(e.ToString());
}
}
}