Re: "make check-acceptance" takes way too long

["Daniel P. Berrangé" <berrange@redhat.com>]

On Mon, Aug 02, 2021 at 01:55:44PM +0100, Alex Bennée wrote:
> 
> Daniel P. Berrangé <berrange@redhat.com> writes:
> 
> > On Fri, Jul 30, 2021 at 04:12:27PM +0100, Peter Maydell wrote:
> >> "make check-acceptance" takes way way too long. I just did a run
> >> on an arm-and-aarch64-targets-only debug build and it took over
> >> half an hour, and this despite it skipping or cancelling 26 out
> >> of 58 tests!
> >> 
> >> I think that ~10 minutes runtime is reasonable. 30 is not;
> >> ideally no individual test would take more than a minute or so.
> >> 
> >> Output saying where the time went. The first two tests take
> >> more than 10 minutes *each*. I think a good start would be to find
> >> a way of testing what they're testing that is less heavyweight.
> >
> > While there is certainly value in testing with a real world "full" guest
> > OS, I think it is overkill as the default setup. I reckon we would get
> > 80-90% of the value, by making our own test image repo, containing minimal
> > kernel builds for each machine/target combo we need, together with a tiny
> > initrd containing busybox.
> 
> Also another minor wrinkle for this test is because we are booting via
> firmware we need a proper disk image with bootloader and the rest of it
> which involves more faff than a simple kernel+initrd (which is my goto
> format for the local zoo of testing images I have).

Ok, so that would require a bootloader build too, which is likely going
to be arch specific, so probably the most tedious part.


Regards,
Daniel
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