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 X-Spam-Level: X-Spam-Status: No, score=-2.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5E0AFC43331 for ; Tue, 31 Mar 2020 16:36:44 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1015B212CC for ; Tue, 31 Mar 2020 16:36:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Qz7RrxHx" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1015B212CC Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Cil43MCec5ijV02sG0vMWiAH/Lg+C2svgl4xM0+1848=; b=Qz7RrxHxRLVeJ8 2HDq2sDj7/eBGF4z+HZay+kIYF6WtFZpO6+qdXWsPRLKX4gCPndiZjWxsF5eBklmORN32NTLwPM8i ArNTIPP23t0IVnHqhb+qT/WMrDFswZ18UFkCJUt6TvkxC2NyuNFTX+dBg5lcpvmmBOS1Asn2RjNDy z26Cf6qGwQ5IJt9OK4NCra9DU/DxSeNQPwax6C1H/soddOaST/8G/pdL28oxW5MA8cYIDj3OhY4gI JDXJCP9NG+5pVq0pI3G8peGCNH+iC/W8ri+yJcGfMfhnzri2MKwnSaTXXvIafTvFJIV8/vv6ISCGP viXOG0OE6C7q/tjyGltw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jJJsX-00035S-9K; Tue, 31 Mar 2020 16:36:41 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jJJpd-0006Ow-Dq for linux-nvme@lists.infradead.org; Tue, 31 Mar 2020 16:33:44 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id E1C3168BFE; Tue, 31 Mar 2020 18:33:37 +0200 (CEST) Date: Tue, 31 Mar 2020 18:33:37 +0200 From: Christoph Hellwig To: Weiping Zhang Subject: Re: [PATCH v5 0/4] Add support Weighted Round Robin for blkcg and nvme Message-ID: <20200331163337.GA25020@lst.de> References: <20200204154200.GA5831@redsun51.ssa.fujisawa.hgst.com> <20200331143635.GS162390@mtj.duckdns.org> <20200331155139.GT162390@mtj.duckdns.org> <20200331155257.GA22994@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200331_093341_625713_11BD9DD3 X-CRM114-Status: UNSURE ( 7.12 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jens Axboe , Bart Van Assche , linux-nvme@lists.infradead.org, Ming Lei , linux-block@vger.kernel.org, Keith Busch , Minwoo Im , cgroups@vger.kernel.org, Tejun Heo , "Nadolski, Edmund" , Thomas Gleixner , Christoph Hellwig Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On Wed, Apr 01, 2020 at 12:31:17AM +0800, Weiping Zhang wrote: > Would you like to share more detail about why NVMe WRR is broken? Because it only weights command fetching. It says absolutely nothing about command execution. _______________________________________________ linux-nvme mailing list linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme