[Ksummit-discuss] kselftest - What's in 3.17 and plans for 3.18 and beyond

[Aneesh Kumar K.V]

Grant Likely <grant.likely at secretlab.ca> writes:

> On Tue, 12 Aug 2014 01:13:07 +0900, Masami Hiramatsu <masami.hiramatsu.pt at hitachi.com> wrote:
>> (2014/08/11 23:11), Shuah Khan wrote:
>> >> (2014/08/07 23:36), Shuah Khan wrote:> As a first step towards a larger goal to enable developer
>> >>> friendly kernel testing framework, a new make target is
>> >>> planned for 3.17. In addition, 3.17 includes work done to
>> >>> fix tools/testing/sefltests to run without failures.
>> >>>
>> >>> Short summary of work done so far for 3.17:
>> >>>
>> >>> - fix compile errors and warnings in various tests
>> >>> - fix run-time errors when tests aren't run as root
>> >>> - enhance and improve cpu and memory hot-plug tests
>> >>>     to run in limited scope mode by default. A new make
>> >>>     target to select full-scope testing. Prior to this
>> >>>     change, cpu and memory hot-plug tests hung trying to
>> >>>     hot-plug all but cpu0 and a large portion of the memory.
>> >>> - add a new kselftest target to run existing selftests
>> >>>     to start with.
>> >>
>> >> Instead of running the selftests, can we build the testcases and
>> >> install it as a tool? I think running tests on the tree is not a
>> >> good idea...
>> > 
>> > One of the goals is to leverage developer tests that we already have.
>> > When a developer makes a kernel change and wants to see if that change
>> > lead to any regression, having the ability to buidl and run selftests on 
>> > the newly installed kernel withe the same source tree is very useful.
>> > That is the reason behind adding this new target.
>> 
>> I see, for that purpose, installing testcase may not fit.
>> BTW, how would it cover cross-build?
>
> I'm interested in this as well. I'm working on a tool that crossbuilds a
> very simple busybox rootfs and boots in QEMU for as many architectures
> as possible. I want to make it easy to sanity test all the major
> architectures. Right now it does little more than boot to a login
> prompt, but I'd like to get the kselftests into it also.
>

I am interested in this as well, I will reach Chicago only on 18th
afternoon (due to flight availability issues). I have been using
https://github.com/autotest/autotest-client-tests for running sanity
tests on different kernel versions. It can be driven with sandboxed setup
using https://github.com/autotest/virt-test

-aneesh