readStopTimeout is a configuration parameter to specify the timeout period in milliseconds that the profile will wait to receive an acknowledgment from the reader after commanding the reader to stop reading.
tagReadingSubCycleLength is a configuration parameter to specify the period length in milliseconds for each sub cycle, for "auto" mode, it is the timeout value.
tagReadingSubCycleNum is a configuration parameter to specify the number of the sub cycles in each reading cycle, it is only applicable when "tagReadingSubCycleMode" is not "null".
The value stored at "shortest" key of the benchmark map is the shortest time in milliseconds that the inventory profile takes to generate a tag report.