HP XP P9000 Performance Advisor Software v5.5 User Guide (T1789-96337, Februrary 2013)

3. Based on your requirement, select the Collection Period as One Time or Recurring.
If you select the Collection Period as One Time, proceed to step 4.
If you select the Collection Period as Recurring, the following schedule options are enabled:
152 Managing the HP XP P9000 Performance Advisor database