On 28 Mar 2012, at 04:06, Paul Larson wrote:
> On Tue, Mar 27, 2012 at 9:26 PM, Michael Hope <michael.h...@linaro.org> wrote:
> Hi there. The GCC build time is approaching 24 hours and our five
> Panda boards can't keep up. Sounds like a good time to LAVAise the
> toolchain build process a bit more...
>
> Mike Hudson and I talked about doing a hybrid LAVA/cbuild as a first
> step where LAVA manages the boards and cbuild does the build. The
> idea is:
>
> * There's a image with the standard toolchain kernel, rootfs, build
> environment, and build scripts
> * The LAVA scheduler manages access to the boards
> * The LAVA dispatcher spins up the board and then invokes the cbuild
> scripts to build and test GCC
>
> This gives me a fixed environment and re-uses the existing build
> scripts. In the future these can be replaced with different LAVA
> components. There's a few details:
>
> * cbuild self updates on start so the image can stay fixed
> * Full results are pushed by cbuild to 'control'
> * The dispatcher records the top level log and an overall pass/fail
> * No other bundles are generated
>
> Most of this fits in with the existing LAVA features. There's a few
> additions like a 'run command' JSON action, passing the board name to
> the instance, and passing the job name as an argument. These seem OK.
>
> I'd like some of the boards to be fitted with fast USB flash drives
> for temporary storage. SD cards are slow and unreliable especially
> when GCC is involved.
>
> It just so happens that some of the panda boards already have usb drives
> attached, and have the tag usb-flash-drive so that jobs can be scheduled in
> such a way that you can basically say "just give me some panda with a usb
> flash drive". Right now, it's just a few, but the plan is to add the usb
> sticks to all boards soon. Dave, do we have them now and we're just planning
> to put this in as part of the move?
13 out of the 24 pandas have USB flash drives. I have some more and was
planning on completing the deployment on the move next week.
Dave
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