linux-kernel - Re: [Qemu-devel] [PATCH] KVM: Add wrapper script around QEMU to test kernels

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Message-ID: <CAOJsxLEMdmWH06Dd+g4SkuG8H9iGwdBMSQYthMYtF9eyC2p9Ew@mail.gmail.com>
Date:	Mon, 7 Nov 2011 14:29:45 +0200
From:	Pekka Enberg <penberg@...nel.org>
To:	Avi Kivity <avi@...hat.com>
Cc:	Sasha Levin <levinsasha928@...il.com>,
	Gerd Hoffmann <kraxel@...hat.com>,
	"kvm@...r.kernel.org list" <kvm@...r.kernel.org>,
	qemu-devel Developers <qemu-devel@...gnu.org>,
	"linux-kernel@...r.kernel.org List" <linux-kernel@...r.kernel.org>,
	Alexander Graf <agraf@...e.de>,
	Blue Swirl <blauwirbel@...il.com>,
	Américo Wang <xiyou.wangcong@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [Qemu-devel] [PATCH] KVM: Add wrapper script around QEMU to test kernels

Hi Avi,

On Mon, Nov 7, 2011 at 2:26 PM, Avi Kivity <avi@...hat.com> wrote:
>> tools/power was merged in just 2 versions ago, do you think that
>> merging that was a mistake?
>
> Things like tools/power may make sense, most of the code is tied to the
> kernel interfaces.  tools/kvm is 20k lines and is likely to be 40k+
> lines or more before it is generally usable.  The proportion of the code
> that talks to the kernel is quite small.

So what do you think about perf then? The amount of code that talks to
the kernel is much smaller than that of the KVM tool.

                        Pekka
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