[PATCH v2 00/43] labgrid: Provide an integration with Labgrid

[Tom Rini]

On Fri, Jun 21, 2024 at 01:51:21PM -0600, Simon Glass wrote:

> Labgrid provides access to a hardware lab in an automated way. It is
> possible to boot U-Boot on boards in the lab without physically touching
> them. It relies on relays, USB UARTs and SD muxes, among other things.
> 
> By way of background, about 4 years ago I wrong a thing called Labman[1]
> which allowed my lab of about 30 devices to be operated remotely, using
> tbot for the console and build integration. While it worked OK and I
> used it for many bisects, I didn't take it any further.
> 
> It turns out that there was already an existing program, called Labgrid,
> which I did not know about at time (thank you Tom for telling me). It is
> more rounded than Labman and has a number of advantages:
> 
> - does not need udev rules, mostly
> - has several existing users who rely on it
> - supports multiple machines exporting their devices
> 
> It lacks a 'lab check' feature and a few other things, but these can be
> remedied.
> 
> On and off over the past several weeks I have been experimenting with
> Labgrid. I have managed to create an initial U-Boot integration (this
> series) by adding various features to Labgrid[2] and the U-Boot test
> hooks.
> 
> I hope that this might inspire others to set up boards and run tests
> automatically, rather than relying on infrequent, manual test. Perhaps
> it may even be possible to have a number of labs available.
> 
> Included in the integration are a number of simple scripts which make it
> easy to connect to boards and run tests:
> 
> ub-int <target>
>     Build and boot on a target, starting an interactive session
> 
> ub-cli <target>
>     Build and boot on a target, ensure U-Boot starts and provide an interactive
>     session from there
> 
> ub-smoke <target>
>     Smoke test U-Boot to check that it boots to a prompt on a target
> 
> ub-bisect
>     Bisect a git tree to locate a failure on a particular target
> 
> ub-pyt <target> <testspec>
>     Run U-Boot pytests on a target
> 
> Some of these help to provide the same tbot[4] workflow which I have
> relied on for several years, albeit much simpler versions.
> 
> The goal here is to create some sort of script which can collect
> patches from the mailing list, apply them and test them on a selection
> of boards. I suspect that script already exists, so please let me know
> what you suggest.
> 
> I hope you find this interesting and take a look!

Can you please split this up in to 3-4 series so that they can be
reviewed and merged? Thanks.

-- 
Tom
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