kdump(1) on OpenBSD
The text cd31d3dd8a9f, as OpenBSD 6.4, OpenBSD 6.3, OpenBSD 6.2, OpenBSD 6.1, OpenBSD 6.0 shipped it.
display kernel trace data
Flags it lists
-
-H -
-R -
-T -
-TR -
-X -
-d -
-f -
-l -
-m -
-n -
-p -
-t -
-x