vmstat(8) on OpenBSD
The text db7a7d146a34, as OpenBSD 4.1, OpenBSD 4.0, OpenBSD 3.9 shipped it.
report statistics about kernel activities
Flags it lists
-
-M -
-N -
-c -
-f -
-i -
-m -
-s -
-t -
-v -
-w -
-z