Re: [PATCH] selftests/vm: enable running select groups of tests

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Thanks for the feedback.

Will rework and send v2.

Best,
Joel Savitz

On Wed, Jul 6, 2022 at 2:50 PM Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> On Wed, 6 Jul 2022 14:38:03 -0400 Nico Pache <npache@xxxxxxxxxx> wrote:
>
> > On Tue, Jul 5, 2022 at 4:35 PM Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
> > >
> > > On Tue,  5 Jul 2022 14:56:05 -0400 Joel Savitz <jsavitz@xxxxxxxxxx> wrote:
> > >
> > > > Add the ability to run one or more groups of vm tests (specified
> > > > by the environment variable TEST_ITEMS). Preserve existing default
> > > > behavior of running all tests when TEST_ITEMS is empty or "default".
> > >
> > Hi Andrew,
> >
> > > What is the reason for this?  What's the use case?
> >
> > The current design of vm selftests is all-or-none. We'd like to be
> > able to selectively run these tests (We settled for selective groups
> > of tests rather than individual tests).
> >
> > The main reason for doing this is our efforts to expand RedHats MM CI
> > testing. There are two use cases for these changes that relate to our
> > reasoning:
> > 1) Our current CI has overlapping tests between LTP and vm selftests,
> > so we'd like a way to prevent running the same test in two places.
> > 2) We'd like the ability to skip a test if it is determined to be
> > unstable or requires certain hardware requirements.
> >
> > By adding this functionality we are really expanding what we are able
> > to do with the stock vm-selftests.
>
> OK, please let's get this info into the changelog - it's the most
> important part.
>
> > > And why via the environment rather than via commandline args?
> > Just a design choice I suppose. I'm sure Joel would be willing to
> > implement it as a cmdline arg if you'd prefer that approach.
>
> I think that would be best.
>




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