From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39661) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W15f0-0008Af-W9 for qemu-devel@nongnu.org; Wed, 08 Jan 2014 21:47:55 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1W15ew-0005yh-0d for qemu-devel@nongnu.org; Wed, 08 Jan 2014 21:47:54 -0500 Received: from mail-ob0-x236.google.com ([2607:f8b0:4003:c01::236]:54783) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W15ev-0005yT-OV for qemu-devel@nongnu.org; Wed, 08 Jan 2014 21:47:49 -0500 Received: by mail-ob0-f182.google.com with SMTP id wn1so680186obc.41 for ; Wed, 08 Jan 2014 18:47:48 -0800 (PST) MIME-Version: 1.0 In-Reply-To: References: <20140108044407.GG30570@stefanha-thinkpad.redhat.com> Date: Thu, 9 Jan 2014 10:47:48 +0800 Message-ID: From: Stefan Hajnoczi Content-Type: text/plain; charset=ISO-8859-1 Subject: Re: [Qemu-devel] [Qemu-discuss] qemu vm big network latency when met heavy io List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Alan Ye Cc: qemu-devel On Thu, Jan 9, 2014 at 10:15 AM, Alan Ye wrote: > Yes. Okay, thanks for clarifying. Please try jitterd to confirm that network latency is the problem rather than a starved guest vCPU. Please keep qemu-devel@nongnu.org CCed so the discussion stays on the mailing list. Thanks, Stefan