internal void CreateFileScanOperation(AMFilter_FileScanArgsTraceData data)
{
// If we can't get the process or thread index, bail.
ProcessIndex processIndex = data.Process().ProcessIndex;
if (processIndex == ProcessIndex.Invalid)
{
return;
}
ThreadIndex threadIndex = data.Thread().ThreadIndex;
if (threadIndex == ThreadIndex.Invalid)
{
return;
}
// Get the process container.
Dictionary <ThreadIndex, FileScanOperation> processContainer = GetOrCreateProcessContainer(processIndex);
// Create a new file scan operation.
// This happens when the scan is requested inside the user process.
FileScanOperation scan = new FileScanOperation()
{
File = data.FileName,
Reason = data.Reason,
RequestorStack = _stackSource.GetCallStack(data.CallStackIndex(), data)
};
processContainer[threadIndex] = scan;
}
internal void StopScan(StreamscanrequestStartArgs_V1TraceData data)
{
// Get the requesting user process based on the PID logged inside the engine.
TraceProcess process = _traceLog.Processes.GetProcess(data.PID, data.TimeStampRelativeMSec);
ProcessIndex processIndex = process.ProcessIndex;
if (processIndex == ProcessIndex.Invalid)
{
return;
}
// Get the file scan operation.
Dictionary <ThreadIndex, FileScanOperation> processContainer = GetOrCreateProcessContainer(processIndex);
FileScanOperation operation = processContainer.Values.Where(s => s.File.Equals(data.Path, System.StringComparison.OrdinalIgnoreCase)).FirstOrDefault();
if (operation != null)
{
operation.StopTimeRelativeMSec = data.TimeStampRelativeMSec;
// Create the stack.
StackSourceFrameIndex fileNodeIndex = _stackSource.Interner.FrameIntern($"File ({operation.File})");
StackSourceFrameIndex reasonNodeIndex = _stackSource.Interner.FrameIntern($"Reason ({(operation.Reason != null ? operation.Reason : "Unknown")})");
StackSourceFrameIndex resultNodeIndex = _stackSource.Interner.FrameIntern($"Scan Result ({operation.Result})");
_sample.StackIndex = _stackSource.Interner.CallStackIntern(resultNodeIndex, operation.RequestorStack);
_sample.StackIndex = _stackSource.Interner.CallStackIntern(reasonNodeIndex, _sample.StackIndex);
_sample.StackIndex = _stackSource.Interner.CallStackIntern(fileNodeIndex, _sample.StackIndex);
_sample.Metric = (float)(operation.StopTimeRelativeMSec - operation.StartTimeRelativeMSec);
_sample.TimeRelativeMSec = operation.StartTimeRelativeMSec;
_stackSource.AddSample(_sample);
}
}
internal void MarkSkipped(SkippedfileArgsTraceData data)
{
FileScanOperation inProcessOperation = _engineThreadToScanMap[(int)data.Thread().ThreadIndex];
if (inProcessOperation != null)
{
inProcessOperation.Result = FileScanResult.Skipped;
}
}
internal void StartScan(StreamscanrequestStartArgs_V1TraceData data)
{
// Get the requesting user process based on the PID logged inside the engine.
TraceProcess process = _traceLog.Processes.GetProcess(data.PID, data.TimeStampRelativeMSec);
ProcessIndex processIndex = process.ProcessIndex;
if (processIndex == ProcessIndex.Invalid)
{
return;
}
// Get the file scan operation.
Dictionary <ThreadIndex, FileScanOperation> processContainer = GetOrCreateProcessContainer(processIndex);
FileScanOperation operation = processContainer.Values.Where(s => s.File.Equals(data.Path, System.StringComparison.OrdinalIgnoreCase)).FirstOrDefault();
if (operation != null)
{
operation.StartTimeRelativeMSec = data.TimeStampRelativeMSec;
_engineThreadToScanMap[(int)data.Thread().ThreadIndex] = operation;
}
}
