Re: [Qemu-devel] [ANNOUNCE] qemu-test: a set of tests scripts for QEMU

[Anthony Liguori]

On 12/29/2011 11:08 AM, Avi Kivity wrote:
> On 12/29/2011 06:53 PM, Anthony Liguori wrote:
> > > In what way is your specifically configured kernel's TCP stack better
> > > than the random distro's kernel's?
> >
> >
> > I firmly believe that with qtest we'll end up eventually building a
> > libOS to make it easier to write qtest tests.
> >
> > Overtime, that libOS will become increasingly complex up until the
> > point where it approaches something that feels like an actual OS.
> > Effort spent developing libOS is a cost to building test cases.
> >
> > By using Linux and a minimal userspace as our libOS, we can avoid
> > spending a lot of time building a sophisticated libOS.  If we need
> > advanced libOS features, we just use qemu-test.  If it's just a matter
> > of poking some registers on a device along, we just use qtest.
>
> Would there be device-level tests in qemu-test?

What is a "device-level" test?

Take a look at:

http://git.qemu.org/?p=qemu-test.git;a=blob;f=scripts/bin/fingerprint;h=2d4202a826917b16856a2acb4617f623fdc4c0d3;hb=HEAD

It's reading BAR0 from any virtio devices to determine the guest features 
exposed.  Yes, it's written in sh :-)  It uses the BAR mappings that sysfs exposes.

Regards,

Anthony Liguori

>