Re: Arm GCC buildbot workers

[Christophe Lyon <christophe.lyon@arm.com>]

Hi Mark,


On 8/11/22 22:39, Mark Wielaard wrote:
> Hi Christophe,
>
> On Thu, Aug 11, 2022 at 09:54:35AM +0200, Christophe Lyon wrote:
>> I'd like to start 2 more workers, for GCC: one for armhf, one for arm64.
>> They will be running ubuntu-22.04, 20 CPUs each.
>>
>> So:
>> ncpus:20
>> maxcpus:20
>> max_builds:1
>>
>> I'd like them to run "gcc_full", which should take ~2h according to my
>> experiments.
>
> Cool. I did add a "gcc-full" build for x86_64 last week to use one of
> the workers that has 12 or 16 cores. It takes ~50 to ~140 minutes
> depending on which worker it picks and the other load on the machine.
>
> When a build takes this long you cannot really test each commit
> separately. 12 patches and you have a whole day of building. So you
> either only build periodically, or you collapse the pending build
> requests. The existing gcc-full builders collapse the builds. So I'll
> suggest these new builders do too, but let me know if you rather have
> them try a build only periodically (say every 8 hours?)
>
>> Looking at https://builder.sourceware.org/buildbot/#/workers, I suspect
>> there may be at least a naming problem since the other workers have
>> "generic names" (I mean we already have similar workers, dedicated to gdb).
>>
>> BTW, I'm wondering whether it was a mistake to have our other workers
>> named armXX-ubuntu-YY, since the other ones are named distro-arch?
>
> Naming isn't 100% consistent, and it doesn't really matter much for
> worker names. It does matter a little for the builder names, sadly
> those also aren't fully consistent. But as long as we are somewhat
> consitent in the tag names hopefully people can still sort interesting
> builds together.
>
> Renaming the workers would mean changing them on both sides, so lets
> stick with the original names for now. Then we can name these the
> other way around:
>
> ubuntu22_04-arm64
> ubuntu22_04-armhf
>
> See the attached patch.

Thanks, LGTM, the 2 new workers are now running.

Thanks!

Christophe

>
> Cheers,
>
> Mark
IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you.