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=-11.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 54CFBC433E0 for ; Mon, 8 Feb 2021 16:26:12 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 F115164E5D for ; Mon, 8 Feb 2021 16:26:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F115164E5D Authentication-Results: mail.kernel.org; dmarc=pass (p=none dis=none) header.from=xenproject.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from list by lists.xenproject.org with outflank-mailman.82958.153499 (Exim 4.92) (envelope-from ) id 1l99MQ-0004fW-PO; Mon, 08 Feb 2021 16:26:02 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 82958.153499; Mon, 08 Feb 2021 16:26:02 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1l99MQ-0004fP-L3; Mon, 08 Feb 2021 16:26:02 +0000 Received: by outflank-mailman (input) for mailman id 82958; Mon, 08 Feb 2021 16:26:00 +0000 Received: from mail.xenproject.org ([104.130.215.37]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1l99MO-0004fK-Lx for xen-devel@lists.xenproject.org; Mon, 08 Feb 2021 16:26:00 +0000 Received: from xenbits.xenproject.org ([104.239.192.120]) by mail.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1l99MO-0007w1-LB for xen-devel@lists.xenproject.org; Mon, 08 Feb 2021 16:26:00 +0000 Received: from iwj (helo=mariner.uk.xensource.com) by xenbits.xenproject.org with local-bsmtp (Exim 4.92) (envelope-from ) id 1l99MO-0008DC-K3 for xen-devel@lists.xenproject.org; Mon, 08 Feb 2021 16:26:00 +0000 Received: from iwj by mariner.uk.xensource.com with local (Exim 4.89) (envelope-from ) id 1l99MJ-0002yM-VU; Mon, 08 Feb 2021 16:25:56 +0000 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=xenproject.org; s=20200302mail; h=References:In-Reply-To:Subject:Cc:To:Date :Message-ID:Content-Transfer-Encoding:Content-Type:MIME-Version:From; bh=BeQIAPdWUoOefYkXdb494vmAilqs/09bNczhP+UUqWs=; b=TEB12VpwpuGD8qZkfiXHzQ1Goa ld4Ozu1mRFrvhzGWcQP28TJgamgeDobauRc9ZOsL4z8Blt+ZY96rm4V2vwB9i7QMUumpSetx7BVYK Zpof7AAQk4Xy5pO4DKbaHPlcUAQRCzxYEB03Y9aQbbTGFbLQ1ze82m1mneHf4q+BoNZc=; From: Ian Jackson MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <24609.26131.733756.369535@mariner.uk.xensource.com> Date: Mon, 8 Feb 2021 16:25:55 +0000 To: Olaf Hering , Andrew Cooper Cc: xen-devel@lists.xenproject.org, Wei Liu , Anthony PERARD Subject: Re: [PATCH v20210111 08/39] xl: fix description of migrate --debug In-Reply-To: <20210111174224.24714-9-olaf@aepfle.de> References: <20210111174224.24714-1-olaf@aepfle.de> <20210111174224.24714-9-olaf@aepfle.de> X-Mailer: VM 8.2.0b under 24.5.1 (i686-pc-linux-gnu) Olaf Hering writes ("[PATCH v20210111 08/39] xl: fix description of migrate --debug"): > xl migrate --debug used to track every pfn in every batch of pages. > But these times are gone. Adjust the help text to tell what --debug > is supposed to do today. ... > -Display huge (!) amount of debug information during the migration process. > +Verify transferred domU page data. All memory will be transferred one more > +time to the destination host while the domU is paused, and compared with > +the result of the inital transfer while the domU was still running. Andy, as our expert on migration, can you confirm whether this is accurate ? Docs (including usage message) so Release-Acked-by: Ian Jackson Thanks, Ian.