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From: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <5b0ff74a-08d6-558d-4c79-a93758e6302a@redhat.com>
Date: Wed, 23 Aug 2017 10:01:38 +0200
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Subject: Re: [Qemu-devel] make check speed
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To: Thomas Huth <thuth@redhat.com>, Cornelia Huck <cohuck@redhat.com>, David Gibson <david@gibson.dropbear.id.au>
Cc: Peter Maydell <peter.maydell@linaro.org>, Laurent Vivier <lvivier@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, Richard Henderson <richard.henderson@linaro.org>, QEMU Developers <qemu-devel@nongnu.org>

On 23/08/2017 09:49, Thomas Huth wrote:
> While we're at it: I'd like to have a "make check-fast", too. Sometimes
> the normal "make check" is already too slow, e.g. while developing new
> patches, I sometimes just want to do a very quick sanity test to see
> whether I broke some basic things or not, and only do the "make check"
> before I submit my patches.
> So we would get three stages:
> 
> - make check-fast => For very, very quick sanity tests only
> 
> - make check => E.g. has to be run before submitting patches
> 
> - make check-harder => might run a very long time, so best suited for
>                        nightly regression tests etc.?
> 
> Does that sound reasonable? And the crucial question: Who is going to
> implement the basic framework for this?

There's already make check-unit or make check-qtest-x86_64 depending on
what you're working on.

If you have a many-core machine, of course, there's no simpler solution
than throwing more CPUs at it. :)

Paolo