kernel module code coverage

[Matthew Macy]

On Thu, Dec 5, 2019 at 8:38 AM Ed Maste <emaste at freebsd.org> wrote:
>
> > > Have you looked into /dev/kcov. This is used by SYZKALLER for getting
> > > coverage information from the kernel.
> > >
> > That's part of Matt Macy's gcov project, right?.
>
> No, /dev/kcov is independent of, and predates, Matt Macy's work. It
> provides broadly the same sort of information, but not using the same
> interface.

GCOV also depends on GCC - probably limiting its potential use cases
largely to vendor CI.