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

[Anthony Liguori <anthony@codemonkey.ws>]

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

>