GNU bug report logs - #36117
qemu-binfmt with non-native chroot

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Message #38 received at 36117 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
Cc: Vagrant Cascadian <vagrant <at> debian.org>, 36117 <at> debbugs.gnu.org
Subject: Re: [PATCH 3/4] gnu: qemu: Add a static output.
Date: Thu, 25 Feb 2021 15:50:23 +0100

Hi,

Maxim Cournoyer <maxim.cournoyer <at> gmail.com> skribis:

> I've just ran two builds; the current qemu we have, and the one with
> the static output added:
>
> /gnu/store/aqkr351pph30za9v6bmd8gzpq5gbgz0c-qemu-5.1.0-doc
> /gnu/store/apxxj92gncx901z71kq0gwg48n2cils6-qemu-5.1.0
>
> real    6m56.816s
> user    0m13.733s
> sys     0m0.677s
>
> /gnu/store/4bfj6zxl0yd2i3206v4rkwiv2nwyryxb-qemu-5.1.0-doc
> /gnu/store/7w04gv6m92n40dainn4s6xr3l20r90xw-qemu-5.1.0
> /gnu/store/wqh2dyskzkl4vjn6harclyl317h4vfaf-qemu-5.1.0-static
>
> real    7m39.197s
> user    0m15.035s
> sys     0m0.841s
>
> That's about a 10% increase in build time, which is reasonable IMO.

Yes, sounds good.

> In the future we should definitely split our QEMU package into
> per-architecture variants as well as user vs system emulation, similar
> to what Debian does.  A near 755.8 MiB package is cumbersome and I'm
> doubtful most of its users make use of the 35 architectures it boasts at
> a time :-).

Agreed!

Thanks,
Ludo’.

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