TCEREQUEST

Structure for TraceCreateEntry.
 * packet_size (ULONG):The size, in bytes, of this packet.
 * packet_revision_number (ULONG):A long integer value that indicates the revision level of the parameter packet.
 * major_event_code (ULONG):The major event code of the event to be logged (must be between 0 and 255).
 * minor_event_code (ULONG):The minor event code of the event to be logged (must be between 1 and 65535).
 * event_data_length (ULONG):The length of the data, in bytes, that is contained within the caller's event data buffer.
 * event_data (PVOID):The pointer to a buffer that contains the event data to be logged. The format of the data is specific to each tracepoint.