K 10
svn:author
V 7
glebius
K 8
svn:date
V 27
2019-09-25T18:26:31.642472Z
K 7
svn:log
V 404
Add debugging facility EPOCH_TRACE that checks that epochs entered are
properly nested and warns about recursive entrances.  Unlike with locks,
there is nothing fundamentally wrong with such use, the intent of tracer
is to help to review complex epoch-protected code paths, and we mean the
network stack here.

Reviewed by:	hselasky
Sponsored by:	Netflix
Pull Request:	https://reviews.freebsd.org/D21610

END