From mboxrd@z Thu Jan 1 00:00:00 1970 From: Brendan Higgins Subject: Re: [PATCH v9 04/18] kunit: test: add kunit_stream a std::stream like logger Date: Mon, 12 Aug 2019 13:41:24 -0700 Message-ID: References: <20190716175021.9CA412173C@mail.kernel.org> <20190719000834.GA3228@google.com> <20190722200347.261D3218C9@mail.kernel.org> <20190722235411.06C1320840@mail.kernel.org> <20190724073125.xyzfywctrcvg6fmh@pathway.suse.cz> <20190726083148.d4gf57w2nt5k7t6n@pathway.suse.cz> <20190801211447.6D3D7206A2@mail.kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Stephen Boyd Cc: Petr Mladek , Jeff Dike , Kevin Hilman , Logan Gunthorpe , Michael Ellerman , Daniel Vetter , Amir Goldstein , Frank Rowand , Steven Rostedt , Kees Cook , David Rientjes , kunit-dev@googlegroups.com, Kieran Bingham , Peter Zijlstra , Randy Dunlap , Joel Stanley , Luis Chamberlain , Rob Herring , shuah , wfg@linux.intel.com, Greg KH , Julia Lawall List-Id: devicetree@vger.kernel.org On Thu, Aug 1, 2019 at 2:43 PM Brendan Higgins wrote: > > On Thu, Aug 1, 2019 at 2:14 PM Stephen Boyd wrote: > > > > Quoting Brendan Higgins (2019-08-01 11:59:57) > > > On Thu, Aug 1, 2019 at 11:55 AM Brendan Higgins > > > wrote: > > > > > > > > On Fri, Jul 26, 2019 at 1:31 AM Petr Mladek wrote: > > > > > > > > > To be honest I do not fully understand KUnit design. I am not > > > > > completely sure how the tested code is isolated from the running > > > > > system. Namely, I do not know if the tested code shares > > > > > the same locks with the system running the test. > > > > > > > > No worries, I don't expect printk to be the hang up in those cases. It > > > > sounds like KUnit has a long way to evolve before printk is going to > > > > be a limitation. > > > > > > So Stephen, what do you think? > > > > > > Do you want me to go forward with the new kunit_assert API wrapping > > > the string_stream as I have it now? Would you prefer to punt this to a > > > later patch? Or would you prefer something else? > > > > > > > I like the struct based approach. If anything, it can be adjusted to > > make the code throw some records into a spinlock later on and delay the > > formatting of the assertion if need be. > > That's a fair point. > > > Can you resend with that > > approach? I don't think I'll have any more comments after that. I sent a new revision, v12, that incorporates the kunit_assert stuff. Let me know what you think!