public static ProcessLookup <JitCapProcess> Collect(JitCapCollector collector)
{
TraceEventDispatcher source = collector.Source;
ProcessLookup <JitCapProcess> perProc = new ProcessLookup <JitCapProcess>();
source.Kernel.PerfInfoSample += delegate(SampledProfileTraceData data)
{
JitCapProcess stats = perProc[data];
if (stats != null)
{
stats.ProcessCpuTimeMsec++;
string name = stats.GetSampledMethodName(collector, data);
stats.UpdateMethodCounts(name);
}
};
source.Process();
return(perProc);
}
private string GetSampledMethodName(JitCapCollector collector, SampledProfileTraceData data)
{
TraceCodeAddress ca = collector.GetManagedMethodOnStack(data);
if (ca == null)
{
return(null);
}
if (String.IsNullOrEmpty(ca.ModuleName))
{
return(null);
}
// Lookup symbols, if not already looked up.
if (!SymbolsLookedUp.Contains(ca.ModuleName))
{
try
{
collector.EtlDataFile.SetFilterProcess(data.ProcessID);
collector.EtlDataFile.LookupSymbolsForModule(ca.ModuleName);
}
catch (Exception)
{
return(null);
}
SymbolsLookedUp.Add(ca.ModuleName);
}
if (ca.Method == null)
{
SymbolsMissing.Add(ca.ModuleName);
return(null);
}
return(ca.ModuleName + "!" + ca.Method.FullMethodName);
}
