Teledyne LeCroy Detective - Users Manual - Manual (Page 32)

CATC CATC Detective User’s Manual Version 2.21
Page 29
Selecting “OK” in this dialog will subsequently display a listing of possible transaction errors
detected in the specified range of packets, such as:
When there are long lists of packets containing the same transaction error (as in the above
example), only the first 20 will be shown, followed by an ellipsis (...).
Note that it is not always possible to precisely determine the existence (or lack thereof) of
transaction errors, particularly in the presence of isochronous traffic; all suspect occurrences
should thus be interpreted as “potential” errors. The above example, for instance, is actually the
result of sampled isochronous traffic, and the reported “errors” are merely artifacts of the
isochronous data streams.
Transaction error summary data can be saved (with the “Save As...” button) for future use. See
“Saving Summaries as Text Files”, below.
4.6.5 Traffic Summary
Selecting this menu item brings up a dialog box enabling the specification of a range of packets
over which to accumulate traffic statistics (initialized to the complete set of packets in the file),
as with the Transaction Error Summary. Selecting “OK” then generates a summary of a variety of
traffic statistics for the currently selected file, including counts of packets, frames, empty frames,
transaction errors, and packet errors, plus listings of transactions (ordered by device) and control
transfers, such as the following: