public void RegisterMetrics(MetricFactory metrics)
{
if (!_jitVerbose.Enabled && !_runtimeCounters.Enabled)
{
return;
}
if (_runtimeCounters.Enabled)
{
BytesJitted = metrics.CreateGauge("dotnet_jit_il_bytes", "Total bytes of IL compiled by the JIT compiler");
_runtimeCounters.Events.IlBytesJitted += e => BytesJitted.Set(e.Mean);
}
if (_jitVerbose.Enabled)
{
MethodsJittedTotal = metrics.CreateCounter("dotnet_jit_method_total", "Total number of methods compiled by the JIT compiler, broken down by compilation for dynamic code", DynamicLabel);
MethodsJittedSecondsTotal = metrics.CreateCounter("dotnet_jit_method_seconds_total", "Total number of seconds spent in the JIT compiler, broken down by compilation for dynamic code", DynamicLabel);
_jitVerbose.Events.CompilationComplete += e =>
{
MethodsJittedTotal.Labels(e.IsMethodDynamic.ToLabel()).Inc();
MethodsJittedSecondsTotal.Labels(e.IsMethodDynamic.ToLabel()).Inc(e.CompilationDuration.TotalSeconds);
};
CpuRatio = metrics.CreateGauge("dotnet_jit_cpu_ratio", "The amount of total CPU time consumed spent JIT'ing");
}
else
{
MethodsJittedTotal = metrics.CreateCounter("dotnet_jit_method_total", "Total number of methods compiled by the JIT compiler");
_runtimeCounters.Events.MethodsJittedCount += e => MethodsJittedTotal.Inc(e.Mean - MethodsJittedTotal.Value);
}
}
public void ProcessEvent(EventWrittenEventArgs e)
{
if (_eventPairTimer.TryGetEventPairDuration(e, out var duration))
{
// dynamic methods are of special interest to us- only a certain number of JIT'd dynamic methods
// will be cached. Frequent use of dynamic can cause methods to be evicted from the cache and re-JIT'd
var methodFlags = (uint)e.Payload[5];
var dynamicLabelValue = (methodFlags & 0x1) == 0x1 ? LabelValueTrue : LabelValueFalse;
MethodsJittedTotal.Labels(dynamicLabelValue).Inc();
MethodsJittedSecondsTotal.Labels(dynamicLabelValue).Inc(duration.TotalSeconds);
}
}
public void RegisterMetrics(MetricFactory metrics)
{
if (!_jitVerbose.Enabled)
{
return;
}
MethodsJittedTotal = metrics.CreateCounter("dotnet_jit_method_total", "Total number of methods compiled by the JIT compiler", DynamicLabel);
MethodsJittedSecondsTotal = metrics.CreateCounter("dotnet_jit_method_seconds_total", "Total number of seconds spent in the JIT compiler", DynamicLabel);
_jitVerbose.Events.CompilationComplete += e =>
{
MethodsJittedTotal.Labels(e.IsMethodDynamic.ToLabel()).Inc();
MethodsJittedSecondsTotal.Labels(e.IsMethodDynamic.ToLabel()).Inc(e.CompilationDuration.TotalSeconds);
};
CpuRatio = metrics.CreateGauge("dotnet_jit_cpu_ratio", "The amount of total CPU time consumed spent JIT'ing");
}