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 ws5-mx01.kavi.com (ws5-mx01.kavi.com [34.193.7.191]) (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 BF835C76188 for ; Mon, 3 Apr 2023 17:39:45 +0000 (UTC) Received: from lists.oasis-open.org (oasis.ws5.connectedcommunity.org [10.110.1.242]) by ws5-mx01.kavi.com (Postfix) with ESMTP id 3678E4434F for ; Mon, 3 Apr 2023 17:39:45 +0000 (UTC) Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id 13BCC9863FA for ; Mon, 3 Apr 2023 17:39:45 +0000 (UTC) Received: from host09.ws5.connectedcommunity.org (host09.ws5.connectedcommunity.org [10.110.1.97]) by lists.oasis-open.org (Postfix) with QMQP id 031DC9863DE; Mon, 3 Apr 2023 17:39:45 +0000 (UTC) Mailing-List: contact virtio-dev-help@lists.oasis-open.org; run by ezmlm List-ID: Sender: Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id E545C9863E4 for ; Mon, 3 Apr 2023 17:39:44 +0000 (UTC) X-Virus-Scanned: amavisd-new at kavi.com X-MC-Unique: nCvcxRdaNkKYnhZpv3jm0Q-1 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680543579; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=dz5jn54HVTndGGYzV6ETMhEx9ExZSY/tpkge414DE0A=; b=2IiABvXZmJdkYEgRMO6XXiO7Dikl+Ejy7SyuabPfElKvHUwyPVIZBYJnJi2+N36J9x XqOgma3PTD+zh/fuubp5blgY4f5fRacqof0sn5Me2KVgnHMbrACD32zSFuwQ1b5GvvLp xOme2dqzBmQyPzEfQybvgF2CoGMoCiNgZEqkrSSZ7vu/w1N3gNOZKYVT/P0Nfm5LBQy3 lutibIAJh2Ra0S/pb8oiZPYs4C0kCh0SY2eMEVUbBViljpvJ+Ii44G1tAdqv9Jne4r63 T6o+Ohe/CQMxtHACypMdo7nkyGBd4uPPP75//TJBfgu4lm9ceLrLoMLPyDqvAJgnJLqk NMlA== X-Gm-Message-State: AAQBX9foDcYTALzGCWRaq7PgJ3tQyhvLEQxajq7UjNKrx36Csh9CDBUi c3rQrRXet36z8PDUjkOSKT9SbrGMuRmiebyOml64MWnICCOqcVNGrGr90hhd8tiGoE94CDRRRSF neQVq48BpzPAigq+Ie1EWFonDmtae X-Received: by 2002:a17:906:7817:b0:8ae:11ca:81de with SMTP id u23-20020a170906781700b008ae11ca81demr35929629ejm.34.1680543579103; Mon, 03 Apr 2023 10:39:39 -0700 (PDT) X-Google-Smtp-Source: AKy350ZN4kwSEQ1vAJaPwMAODdDN6shJlr7zjgt4Wvzv4YyX9laB1E3lQ0cIhFxpemIJGapacnm1AQ== X-Received: by 2002:a17:906:7817:b0:8ae:11ca:81de with SMTP id u23-20020a170906781700b008ae11ca81demr35929613ejm.34.1680543578866; Mon, 03 Apr 2023 10:39:38 -0700 (PDT) Date: Mon, 3 Apr 2023 13:39:33 -0400 From: "Michael S. Tsirkin" To: Parav Pandit Cc: "virtio-dev@lists.oasis-open.org" , "cohuck@redhat.com" , "virtio-comment@lists.oasis-open.org" , Shahaf Shuler Message-ID: <20230403133724-mutt-send-email-mst@kernel.org> References: <0dcd9907-4bb0-ef0d-678d-5bc8f0ded9ec@nvidia.com> <20230403105050-mutt-send-email-mst@kernel.org> <20230403110320-mutt-send-email-mst@kernel.org> <20230403111735-mutt-send-email-mst@kernel.org> <20230403113130-mutt-send-email-mst@kernel.org> <20230403132442-mutt-send-email-mst@kernel.org> MIME-Version: 1.0 In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Subject: [virtio-dev] Re: [PATCH 00/11] Introduce transitional mmr pci device On Mon, Apr 03, 2023 at 01:35:01PM -0400, Parav Pandit wrote: > > So something like a vq would be a step up. I would like to > > understand the performance angle though. What you describe > > is pretty bad. > > > Do you mean latency is bad or the description? I don't know. We need admin vq and transport vq to work. You describe latency numbers that make both unworkable. I am interested in fixing that somehow, since it's a blocker. -- MST --------------------------------------------------------------------- To unsubscribe, e-mail: virtio-dev-unsubscribe@lists.oasis-open.org For additional commands, e-mail: virtio-dev-help@lists.oasis-open.org