On 4/26/19 6:24 PM, Alyssa Rosenzweig wrote:
We start by building a container in Docker that contains a suitable
rootfs and kernel for the DUT, deqp and all dependencies for building
Mesa itself.
Out of curiosity, what's the performance impact of this? If there are no
changes to the kernel or to deqp (but mesa had a commit somewhere in
Panfrost space), do we have to rebuild the former two? Does ccache maybe
pick that up? I'm trying to get a sense for how long it takes between
pushing a commit and getting a CI answer, and maybe if that can be
shortened.
A typical run takes around 20 mins and the time spent besides running the
tests themselves is a small part.
https://gitlab.freedesktop.org/tomeu/mesa/pipelines/33402
We use Docker to cache as much as possible, and then use ccache when
building Mesa. Depending on which runner is assigned, we may find a
useful ccache dir, or not.
the expectations that are stored
in git.
Might it be better to track this outside so we don't pollute mesa with
changes to that largely autogenerated file? Or I guess that's
problematic since then we lose branch information / etc.
Well, this is information about the code, so I think it makes sense to
store it alongside it. It really needs to be kept in sync so we can know
what code changes broke the expectations.
But as Eric mentioned, we should probably store only failures, which will
(hopefully :)) reduce with time.
Any code that changes the expectations (hopefully tests are
fixed) needs to also update the expectations file.
Is there an automated way to do this based on the results of LAVA/CI?
Well, a diff will be produced after a failed run. One should be able to
just add that diff to the commit that fixed stuff and submit that for
code review.
+ git clone --depth 1 https://github.com/KhronosGroup/VK-GL-CTS.git .
&& \
Is this the right repo? I recall getting deqp source from Google's
servers (Chromium git). I suppose it's the same.
Will checkout a release tag as per Eric's comment.
+ git clone --depth 1 https://gitlab.freedesktop.org/tomeu/mesa.git -b panfrost-ci .
&& \
Uhhhh
Oops :)
+# To prevent memory leaks from slowing throughput, restart everything between
batches
*blush*
It's only once every 5k tests, so it may not be that bad :)
Thanks,
Tomeu
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