From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-f177.google.com (mail-wi0-f177.google.com [209.85.212.177]) by dpdk.org (Postfix) with ESMTP id 2B3A56A87 for ; Thu, 24 Sep 2015 21:59:58 +0200 (CEST) Received: by wiclk2 with SMTP id lk2so127886918wic.1 for ; Thu, 24 Sep 2015 12:59:58 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:organization :user-agent:in-reply-to:references:mime-version :content-transfer-encoding:content-type; bh=KXA/QaFQbl4B7/hyV6ZmxUmCFdCHFQBSgU6LstkrG98=; b=iD+nMQJ8+N9LN5p/izxTgHLHaxuu4H7aYWcB1zriOyVgI0EHUUZ8luUld9jxEjPcQa tZtQcYcQcUTqsGwy/HT+GLKdb52njSPm5uErqfXQ7WTk3zXMKdJCm/5ym/KipyDv0FpI 3jeBrdWRPdilXXp2P5OOUnDPNT3b9q6SLrCizF4Skj9KZNmeTdusrqcNZ7E/3kHzVc+E ogZ/LNXPjSVfZaGaTaNYKZt3sA8jHxNGW3BDu/gCkTlxPyZ56fT4qZ4UFxIfg5G3H9GJ N73VtHhSx9cqtt3bolc7fn1BFGLic+Nbio01We6NKF0sGfdrl6pPUUBnGnq6YjufU/Do UXjw== X-Gm-Message-State: ALoCoQkWx0A7anDCmQv9dFmpmeuJ/AEnLHVfLAtHKTTK3JcEHorpPrVSKAazPckuCzv8pmkrO31N X-Received: by 10.180.102.164 with SMTP id fp4mr12359569wib.2.1443124797953; Thu, 24 Sep 2015 12:59:57 -0700 (PDT) Received: from xps13.localnet (136-92-190-109.dsl.ovh.fr. [109.190.92.136]) by smtp.gmail.com with ESMTPSA id r4sm6943189wia.19.2015.09.24.12.59.56 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 24 Sep 2015 12:59:57 -0700 (PDT) From: Thomas Monjalon To: Huawei Xie Date: Thu, 24 Sep 2015 21:58:50 +0200 Message-ID: <1675372.Tx0nYd5Zsd@xps13> Organization: 6WIND User-Agent: KMail/4.14.10 (Linux/4.1.6-1-ARCH; KDE/4.14.11; x86_64; ; ) In-Reply-To: <1442823374-5233-1-git-send-email-huawei.xie@intel.com> References: <1442823374-5233-1-git-send-email-huawei.xie@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Cc: dev@dpdk.org Subject: Re: [dpdk-dev] [PATCH] vhost: vhost injects interrupts to guest for each packet X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 24 Sep 2015 19:59:58 -0000 Please reword the title (no need to re-send the patch), so that you describe what the patch do (batch interrupt). 2015-09-21 16:16, Huawei Xie: > In merge-able RX path, vhost injects interrupts to guest for each packet. > This should degrade performance a lot. > This patch fixes this issue by injecting one interrupt for a batch of packets.