kdump(1) on OpenBSD
The text b19710d488c3, as OpenBSD 4.9, OpenBSD 4.8, OpenBSD 4.7, OpenBSD 4.6, OpenBSD 4.5, OpenBSD 4.4, OpenBSD 4.3, OpenBSD 4.2 shipped it.
display kernel trace data
Flags it lists
-
-R -
-T -
-X -
-d -
-e -
-f -
-l -
-m -
-n -
-p -
-t -
-x