K 10
svn:author
V 3
mjg
K 8
svn:date
V 27
2020-02-03T22:26:00.401184Z
K 7
svn:log
V 204
ktrace: provide ktrstat_error

This eliminates a branch from its consumers trading it for an extra call
if ktrace is enabled for curthread. Given that this is almost never true,
the tradeoff is worth it.

END