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Wed, 04 Dec 2019 14:25:44 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Eric Joyner Date: Wed, 4 Dec 2019 14:25:08 -0800 Message-ID: Subject: Re: kernel module code coverage To: Alan Somers Cc: Matthew Macy , Michael Tuexen , "slavash@freebsd.org" , current X-Rspamd-Queue-Id: 47Stj53mgmz4R2n X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=MT4FmgOK; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of ricera10@gmail.com designates 2607:f8b0:4864:20::d44 as permitted sender) smtp.mailfrom=ricera10@gmail.com X-Spamd-Result: default: False [-2.00 / 15.00]; TO_DN_EQ_ADDR_SOME(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; FREEMAIL_FROM(0.00)[gmail.com]; URI_COUNT_ODD(1.00)[9]; RCPT_COUNT_FIVE(0.00)[5]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; FROM_EQ_ENVFROM(0.00)[]; IP_SCORE(0.00)[ip: (2.21), ipnet: 2607:f8b0::/32(-2.23), asn: 15169(-1.93), country: US(-0.05)]; MIME_TRACE(0.00)[0:+,1:+,2:~]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; DWL_DNSWL_NONE(0.00)[gmail.com.dwl.dnswl.org : 127.0.5.0]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-0.998,0]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; NEURAL_HAM_LONG(-1.00)[-0.999,0]; TAGGED_RCPT(0.00)[]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; IP_SCORE_FREEMAIL(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[4.4.d.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0]; RCVD_COUNT_TWO(0.00)[2]; FREEMAIL_CC(0.00)[gmail.com]; RCVD_TLS_ALL(0.00)[] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 04 Dec 2019 22:25:46 -0000 I'm reviving an ancient thread, but is Bullseye truly dropping FreeBSD support? Do you have a link to something that shows that? I still see a FreeBSD tarball in their download archive page for the newest version of their tool, which seems to be 8.16.5. - Eric On Thu, Aug 8, 2019 at 12:08 PM Alan Somers wrote: > 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 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 wrote: > > > > > > On Thu, Aug 8, 2019 at 7:42 AM Michael Tuexen > wrote: > > > > > > > > > > > > > > > > > On 8. Aug 2019, at 14:24, Slava Shwartsman > 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" > _______________________________________________ > 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" >