> On 8. Aug 2019, at 16:16, Slava Shwartsman <slav...@freebsd.org> wrote: > > > > On 08-Aug-19 16:52, Alan Somers wrote: >> On Thu, Aug 8, 2019 at 7:42 AM Michael Tuexen <tue...@freebsd.org> wrote: >>> >>> >>> >>>> On 8. Aug 2019, at 14:24, Slava Shwartsman <slav...@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. >>> > > Thanks. > Is there a man page for /dev/kcov? I don't think so. There was no man page in the commit which introduced the feature: https://svnweb.freebsd.org/base?view=revision&revision=342962
You might want to look at: https://github.com/google/syzkaller/blob/master/tools/kcovtrace/kcovtrace.c how to use it. Best regards Michael > >>> 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. > > In worst case, I can build my module into the kernel, right? > >> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=239194 >> -Alan > > > Slava _______________________________________________ freebsd-current@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
