[kvm-unit-tests PATCH v8 03/35] migration: Add a migrate_skip command

[Nicholas Piggin]

On Tue Apr 9, 2024 at 1:59 AM AEST, Nico Boehr wrote:
> Quoting Nicholas Piggin (2024-04-05 10:35:04)
> [...]
> > diff --git a/scripts/arch-run.bash b/scripts/arch-run.bash
> > index 39419d4e2..4a1aab48d 100644
> > --- a/scripts/arch-run.bash
> > +++ b/scripts/arch-run.bash
> [...]
> > @@ -179,8 +189,11 @@ run_migration ()
> >                 # Wait for test exit or further migration messages.
> >                 if ! seen_migrate_msg ${src_out} ;  then
> >                         sleep 0.1
> > -               else
> > +               elif grep -q "Now migrate the VM" < ${src_out} ; then
> >                         do_migration || return $?
> > +               elif [ $skip_migration -eq 0 ] && grep -q "Skipped VM migration" < ${src_out} ; then
> > +                       echo > ${src_infifo} # Resume src and carry on.
> > +                       break;
>
> If I understand the code correctly, this simply makes the test PASS when
> migration is skipped, am I wrong?

This just gets the harness past the wait-for-migration phase, it
otherwise should not change behaviour.

> If so, can we set ret=77 here so we get a nice SKIP?

The harness _should_ still scan the status value printed by the
test case when it exits. Is it not working as expected? We
certainly should be able to make it SKIP.

Thanks,
Nick