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

From: Anthony Liguori
Subject: Re: [Qemu-devel] [ANNOUNCE] qemu-test: a set of tests scripts for QEMU
Date: Thu, 29 Dec 2011 11:16:33 -0600
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20110922 Lightning/1.0b2 Thunderbird/3.1.15

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?

qemu-jeos has a kernel build environment for the target so it is also possible to build userspace C programs and/or kernel modules so you could also write guest tests in C.

So it may actually be reasonable to write a special virtio-test kernel module actually.


Anthony Liguori

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