public void AttributeSamplesToIP(ulong ip, long numSamples)
{
MemoryRegionInfo region = _memMap.GetInfo(ip);
if (region == null)
{
SamplesOutsideManagedCode += numSamples;
return;
}
if (region.NativeToILMap == null)
{
SamplesInManagedCodeWithoutAnyMappings += numSamples;
return;
}
if (!region.NativeToILMap.TryLookup(checked ((uint)(ip - region.StartAddress)), out IPMapping mapping))
{
SamplesInManagedCodeOutsideMappings += numSamples;
return;
}
if (mapping.InlineeMethod == null)
{
SamplesInUnknownInlinees += numSamples;
return;
}
PerMethodInfo pmi = GetOrCreateInfo(mapping.InlineeMethod);
if (pmi == null)
{
SamplesInManagedCodeWithoutIL += numSamples;
return;
}
if (pmi.Profile.TryAttributeSamples(mapping.ILOffset, 1))
{
TotalAttributedSamples += numSamples;
}
else
{
SamplesInManagedCodeOutsideFlowGraph += numSamples;
}
}
private PerMethodInfo GetOrCreateInfo(MethodDesc md)
{
if (!_methodInf.TryGetValue(md, out PerMethodInfo pmi))
{
MethodIL il =
md switch
{
EcmaMethod em => EcmaMethodIL.Create(em),
_ => new InstantiatedMethodIL(md, EcmaMethodIL.Create((EcmaMethod)md.GetTypicalMethodDefinition())),
};
if (il == null)
{
return(null);
}
_methodInf.Add(md, pmi = new PerMethodInfo());
pmi.IL = il;
pmi.FlowGraph = FlowGraph.Create(il);
pmi.Profile = new SampleProfile(pmi.IL, pmi.FlowGraph);
}
return(pmi);
}
