[OpenAFS-devel] qemu arm slave for buildbot

[Chaz Chandler]

I stand corrected.  I was speaking from experiences this summer.  The =
parallel make issues appear to be resolved now, which is excellent=21

Jason, can you add -j3 to the make arguments for the IRIX buildslaves?  =
That should bring the compile time down to =7E21 minutes and the overall =
build time to under 30 min.
Thanks=21

> -----Original Message-----
> From: shadow=40gmail.com
> Sent: Tue, 2 Nov 2010 09:47:30 -0400
> To: clc31=40inbox.com
> Subject: Re: =5BOpenAFS-devel=5D qemu arm slave for buildbot
>=20
> what parallel build errors do you get?
>=20
> On Tue, Nov 2, 2010 at 9:21 AM, Chaz Chandler <clc31=40inbox.com> wrote:
>>>> I'm working with someone =C2=A0who is offering a qemu arm buildslave. =
The
>>>> build on the qemu arm hosts takes =7E3 hours. I'm hesitant to have all
>>>> of
>>>> the gerrit submissions take three hours to build. A daily build of the
>>>> git branches might be better in this case.
>>>=20
>>> I'm already finding the cycle time of the IRIX build slave hugely
>>> frustrating, and would be opposed to adding anything that lengthens
>>> that
>>> time further.
>>=20
>> I agree that this is frustrating. =C2=A0However, the IRIX build time =
could be
>> greatly reduced if parallel make worked properly; it can and does in
>> other open source projects, but I believe that we're running into issues
>> with Makefile assumptions about build order that don't necessarily hold
>> true for IRIX. =C2=A0It is a goal of mine to get this working, but I =
may need
>> some guidance along the way. =C2=A0Pointers welcome=21
>>=20
>> I might suggest that there are some types of source changes which may
>> not require the full tree to be rebuilt ... I'm thinking of
>> documentation changes in particular, but there may be other things in
>> there as well? =C2=A0In my view, the main advantage of the buildbot =
system is
>> to test the actual code on as many platforms as possible. =C2=A0If we =
were to
>> optimize around that, for instance by having build submissions to
>> documentation or WINNT subdirs, etc., go through different build
>> processes, would that be better? =C2=A0Do we need to test
>> windows-only-related changes on UNIX? =C2=A0Is buildbot configurable =
enough
>> to do this?
>>=20
>> Otherwise, a tiering system may be necessary, especially for very slow
>> platforms
>>=20
>> -Chaz
>>=20
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>>=20
>=20
>=20
>=20
> --
> Derrick

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