Re: hexagon: check-tcg rebuilding up to date image

[Alex Bennée]

Fabiano Rosas <farosas@suse.de> writes:

> Matheus Tavares Bernardino <quic_mathbern@quicinc.com> writes:
>
>> Hi,
>>
>> We noticed that local `make check-tcg` is rebuilding the docker image
>> for qemu-hexagon at every run, whereas previously it would say "Image is
>> up to date" and move on.
>>
>> This was changed at 0b1a649047 (tests/docker: use direct RUNC call to
>> build containers, 2023-02-28), where we started to no longer use
>> docker.py and its image_matches_dockerfile() to skip image builds.
>>
>> Is this new behavior by design? Or perhaps do we have some local
>> docker misconfiguration that is not correctly using caches?
>
> Hi,
>
> We started relying on docker for the cache. Are you using docker or
> podman? There should be a RUNC variable in config-host.mak that you can
> check.
>
> And for the record, which version of either podman or docker?
>
>
> Alex, 
>
> I think we might need to add DOCKER_BUILDKIT=1 $(RUNC) ... to properly
> make use of caching with docker. As for podman, I'm seeing conflicting
> information on the web as to whether it even supports caching.

As opposed to --build-arg BUILDKIT_INLINE_CACHE=1 or both?


-- 
Alex Bennée
Virtualisation Tech Lead @ Linaro