kdump(1) on OpenBSD
The text e6fdff7258d3, as OpenBSD 5.8, OpenBSD 5.7 shipped it.
display kernel trace data
Flags it lists
-
-H -
-R -
-T -
-X -
-d -
-e -
-f -
-l -
-m -
-n -
-p -
-t -
-x