Date: Thu, 8 Aug 2019 13:07:54 -0600 From: Alan Somers <asomers@freebsd.org> To: Matthew Macy <mat.macy@gmail.com> Cc: Michael Tuexen <tuexen@freebsd.org>, "slavash@freebsd.org" <slavash@freebsd.org>, current <current@freebsd.org> Subject: Re: kernel module code coverage Message-ID: <CAOtMX2iVHHTn_Fnj9wVjatmv3EQeOb9oVSLRHNZUhX9Tr3Dh-Q@mail.gmail.com> In-Reply-To: <CAPrugNpm%2Bsm9XhrY-65B8dcqORdMw_s7R8yw6xFWSooYTk7GNw@mail.gmail.com> References: <b233b3e5-e2ac-8dce-5552-43bac9f8a5cc@FreeBSD.org> <C839BCA7-1FA9-4E0F-B03F-59B8E5FA6FFF@freebsd.org> <CAOtMX2iv%2B_Q6kbOqUmcjpafoym0Yx9OU9p3LKt_mpYf7eEzrNw@mail.gmail.com> <CAPrugNpm%2Bsm9XhrY-65B8dcqORdMw_s7R8yw6xFWSooYTk7GNw@mail.gmail.com>
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Read the bug report. I can't even load modules when I build with GCOV. On Thu, Aug 8, 2019 at 1:04 PM Matthew Macy <mat.macy@gmail.com> wrote: > > The whole point of adding gcov support was for integrating with the > ZoL CI framework which does coverage. So it very much does work with > modules. Not sure where that comes from. > -M > > On Thu, Aug 8, 2019 at 6:52 AM Alan Somers <asomers@freebsd.org> wrote: > > > > On Thu, Aug 8, 2019 at 7:42 AM Michael Tuexen <tuexen@freebsd.org> wrote: > > > > > > > > > > > > > On 8. Aug 2019, at 14:24, Slava Shwartsman <slavash@FreeBSD.org> wrote: > > > > > > > > Apparently, Bullseye are dropping support for FreeBSD. > > > > > > > > We are looking for an alternative for kernel module run time analysis. > > > > Mostly interested in code coverage (for now). > > > > > > > > Any suggestions that work for you? > > > Have you looked into /dev/kcov. This is used by SYZKALLER for getting > > > coverage information from the kernel. > > > > > > Best regards > > > Michael > > > > > > > > > > > > Slava > > > > That's part of Matt Macy's gcov project, right?. However, while it > > works for the kernel itself, it doesn't work for modules. > > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=239194 > > -Alan > > _______________________________________________ > > freebsd-current@freebsd.org mailing list > > https://lists.freebsd.org/mailman/listinfo/freebsd-current > > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
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