From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 130ABECD996 for ; Thu, 5 Feb 2026 18:39:44 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vo4Fu-00043o-MQ; Thu, 05 Feb 2026 13:39:06 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vo4Ft-00043Y-Fo for qemu-devel@nongnu.org; Thu, 05 Feb 2026 13:39:05 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vo4Fr-0005GI-CD for qemu-devel@nongnu.org; Thu, 05 Feb 2026 13:39:05 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1770316741; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=QJbCOgn1gwItCY5Xqtv2HXYdZVDu/lNsWi84EQRKO34=; b=g5Xr2Fk98uJz8Jzj8naOid2QkPkKHY+0QFMS3mLnpRuDfGghXWzCcZj6cP+kvNfZPpLS+e 7OgB6AWUmGetqT9/SNN46MajQ76LprXmW8zJWOLYRieOJfzyc0bH19wOCnDquKKiAlHzd3 FBXGHZ4ng7RwT3vRalsdVDGEByOJF/0= Received: from mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-638-OxFaV4RBPouRc3_AfZ6n1A-1; Thu, 05 Feb 2026 13:38:58 -0500 X-MC-Unique: OxFaV4RBPouRc3_AfZ6n1A-1 X-Mimecast-MFC-AGG-ID: OxFaV4RBPouRc3_AfZ6n1A_1770316737 Received: from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.111]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id EA5C218005B7; Thu, 5 Feb 2026 18:38:56 +0000 (UTC) Received: from localhost (unknown [10.2.17.36]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 099B918003F6; Thu, 5 Feb 2026 18:38:55 +0000 (UTC) Date: Thu, 5 Feb 2026 13:38:49 -0500 From: Stefan Hajnoczi To: Pierrick Bouvier Cc: "Michael S. Tsirkin" , qemu-devel@nongnu.org, Philippe =?iso-8859-1?Q?Mathieu-Daud=E9?= , qemu-ppc@nongnu.org, Stefano Garzarella , Nicholas Piggin , Harsh Prateek Bora Subject: Re: [PATCH v4 0/9] single-binary: hw/virtio Message-ID: <20260205183849.GA50663@fedora> References: <20260203205637.3109749-1-pierrick.bouvier@linaro.org> <571ef1d1-88f1-4f4c-9800-00f114a85e02@linaro.org> <20260205014101-mutt-send-email-mst@kernel.org> <59bea9ee-d874-446e-9ec3-b14449d856e4@linaro.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="nEMX2TA+MfMLYiOA" Content-Disposition: inline In-Reply-To: <59bea9ee-d874-446e-9ec3-b14449d856e4@linaro.org> X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 Received-SPF: pass client-ip=170.10.133.124; envelope-from=stefanha@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org --nEMX2TA+MfMLYiOA Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Feb 05, 2026 at 09:17:03AM -0800, Pierrick Bouvier wrote: > On 2/4/26 10:43 PM, Michael S. Tsirkin wrote: > > On Wed, Feb 04, 2026 at 09:27:10PM -0800, Pierrick Bouvier wrote: > > > On 2/3/26 12:56 PM, Pierrick Bouvier wrote: > > > > This series eliminates target specifics in hw/virtio and replace th= em with > > > > runtime functions where needed. > > > >=20 > > > > Performance has been measured with this automated fio benchmark, wi= th > > > > original instructions from Stefan [1]. > > > >=20 > > > > $ git clone https://github.com/pbo-linaro/qemu-linux-stack -b x86_6= 4_io_benchmark > > > > $ cd qemu-linux-stack > > > > $ ./build.sh > > > > $ ./run.sh /path/to/qemu-system-x86_64 > > > >=20 > > > > [1] https://lore.kernel.org/qemu-devel/20260202185233.GC405548@fedo= ra/ > > > >=20 > > > > Results are on 20 runs and expressed in kIOPS: > > > > reference: mean=3D239.2 std_dev=3D3.48 > > > > with_series: mean=3D238.5 std_dev=3D3.46 > > > >=20 > > > > Performance is on par, and within standard deviation. > > > >=20 > > >=20 > > > Does it look better to you Michael? > > >=20 > > > Regards, > > > Pierrick > >=20 > >=20 > > better for sure. is there a reason you dropped stefanha > > from CC? he suggested these tests... > >=20 >=20 > I didn't to that intentionally, it seems like he was not added by default > from the file set when I posted v4. >=20 > Stefan, please see cover letter above and let us know if that sounds > acceptable to you. Yes, the results you posted look fine. Thanks! Stefan --nEMX2TA+MfMLYiOA Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEhpWov9P5fNqsNXdanKSrs4Grc8gFAmmE47kACgkQnKSrs4Gr c8h28ggAowOUbqYf6pbKmjC/xhrs1jy0L2YrRuwgIR3w495den743PLUDWXFa0DU 93/OsP6qXClwzNVNTjUeWiXqnRxF7Y9PUTAXlhu5RIouk/GxmJThGzTt7GajXNjn PGWW5lB15kQGlIhQWckFQvRNVtS+AQPouE+LJCsNwhy/RMULG5TQpyIWmSQRFaz+ Zi6Jj4FutH8vY0dG0qD6/sYPJyqRHguKoUgV1ck0DpAxwqZDmhTy68vn0U5bkDKz hSPEQ2DQiAflrbxp4karMRsZN9/JpGilWYheHpy8oER5zvvD7IpPbszBMYn2bULB e3DO7QOZegWLR2yO3oWEHopxU2zIYg== =24BD -----END PGP SIGNATURE----- --nEMX2TA+MfMLYiOA--