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Date: Tue, 17 Sep 2013 21:49:55 +0300
From: Gleb Natapov <gleb@redhat.com>
Message-ID: <20130917184954.GA5657@redhat.com>
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Subject: Re: [Qemu-devel] in_asm substitute for accel=kvm:tcg
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To: Andriy Gapon <avg@FreeBSD.org>
Cc: Andreas =?utf-8?Q?F=C3=A4rber?= <afaerber@suse.de>, qemu-devel@nongnu.org

On Tue, Sep 17, 2013 at 05:33:57PM +0300, Andriy Gapon wrote:
> on 17/09/2013 15:32 Andreas F=C3=A4rber said the following:
> > Hi,
> >=20
> > Am 17.09.2013 13:37, schrieb Andriy Gapon:
> >>
> >> It seems that when qemu is run with accel=3Dkvm:tcg then -d in_asm doe=
s not
> >> produce anything.  At least, with the qemu and kvm that I have access =
to.
> >=20
> > Are you saying that with accel=3Dkvm:tcg when falling back to TCG, -d
> > in_asm does not work?
>=20
> Yes, exactly. I see the same behavior with accel=3Dkvm:tcg and accel=3Dkv=
m:tcg.
> qemu version is 1.4.0.
>=20
> > For accel=3Dkvm it's expected not to produce any output since QEMU does
> > not process any Translation Blocks then.
> >=20
> >> Is there any way to obtain equivalent logging in such a configuration?
> >> A note: a host and a guest are both amd64 (x86_64).
> >=20
> > Under Linux, trace options for the kvm kernel module can be enabled via
> > the file system.
>=20
> I'll try to google for this.
>=20
http://www.linux-kvm.org/page/Tracing

--
			Gleb.