Re: kernel module code coverage

From: Matthew Macy <mmacy_at_freebsd.org>
Date: Thu, 5 Dec 2019 16:24:44 -0800
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.
Received on Thu Dec 05 2019 - 23:24:57 UTC

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