K 10
svn:author
V 3
zbb
K 8
svn:date
V 27
2017-06-13T18:51:23.957530Z
K 7
svn:log
V 339
Fix HWPMC interrupt handling in Counting Mode

Additionally:
 - Fix support for Cycle Counter (evsel == 0xFF)
 - Stop and mask interrupts from all counters on init and finish

Submitted by: Michal Mazur <mkm@semihalf.com>
Obtained from: Semihalf
Sponsored by: Stormshield, Netgate
Differential revision: https://reviews.freebsd.org/D10910

END