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Fix HWPMC interrupt handling in Counting Mode
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Authored by mw_semihalf.com on May 25 2017, 3:31 PM.

Details

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

Diff Detail

Repository
rS FreeBSD src repository - subversion
Lint
Automatic diff as part of commit; lint not applicable.
Unit
Automatic diff as part of commit; unit tests not applicable.

Event Timeline

The 0xff should probably a #define somewhere but that's unrelated. I think we've done something similar for the timer code in the past; not sure in which review or tree that ended up.

Replace magic number with macro, as pointed by @bz

This revision was automatically updated to reflect the committed changes.