IBM 440 - Manual (Page 184)

170 IBM ^ xSeries 440 Planning and Installation Guide
Figure 5-43 Process Control advanced controls
The options in this tab are as follows:
End process group when no processes in the group
This is useful to reset the counters for batch processes that are time limited.
Deselecting this option allows for accumulating usage statistics for billing
purposes. This can be accomplished using the Elapsed Time counter in the
Performance tool, as shown in Figure 5-44 on page 171.