The I/O Page Latch wait type category includes all the waits that are associated with non-I/O page latch bottlenecks, including the following:
- ASYNC_IO_COMPLETION
- IO_COMPLETION
- PAGEIOLATCH_DT
- PAGEIOLATCH_EX
- PAGEIOLATCH_KP
- PAGEIOLATCH_NL
- PAGEIOLATCH_SH
- PAGEIOLATCH_UP