/// <summary>
/// Construct a trace replay.
/// </summary>
/// <param name="fn">The filename of the trace to play back</param>
/// <exception cref="IOException">If anything is wrong with the file.</exception>
protected TraceProcessorBase(string fn)
{
FileName = fn;
MetaData = new TraceMeta();
MetaData.Load(fn);
// Don't mmap the file right away, do so lazily to avoid locking the file handle for updates in other parts of the UI.
}
