From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36687) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WJNB7-000368-Gh for qemu-devel@nongnu.org; Fri, 28 Feb 2014 08:08:42 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WJNB2-0001EY-Ej for qemu-devel@nongnu.org; Fri, 28 Feb 2014 08:08:37 -0500 Received: from mx1.redhat.com ([209.132.183.28]:53833) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WJNB2-0001EM-5g for qemu-devel@nongnu.org; Fri, 28 Feb 2014 08:08:32 -0500 Message-ID: <53108A3F.5020801@redhat.com> Date: Fri, 28 Feb 2014 06:08:15 -0700 From: Eric Blake MIME-Version: 1.0 References: <33183CC9F5247A488A2544077AF19020815D225E@SZXEMA503-MBS.china.huawei.com> In-Reply-To: <33183CC9F5247A488A2544077AF19020815D225E@SZXEMA503-MBS.china.huawei.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="0tmmXaU338vX8PiQHMbHCWj4DMAnvpPKo" Subject: Re: [Qemu-devel] [PATCH 0/7] migration: Optimization the xbzrle and fix two corruption issues List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Gonglei (Arei)" , "qemu-devel@nongnu.org" Cc: Peter Maydell , Juan Quintela , "pl@kamp.de" , "owasserm@redhat.com" , "aliguori@amazon.com" , "chenliang (T)" , "pbonzini@redhat.com" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --0tmmXaU338vX8PiQHMbHCWj4DMAnvpPKo Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 02/27/2014 09:05 PM, Gonglei (Arei) wrote: > a. Optimization the xbzrle remarkable decrease the cache misses. > The efficiency of compress increases more than fifty times. > Before the patch set, the cache almost totally miss when the=20 > number of cache item less than the dirty page number. Now the > hot pages in the cache will not be replaced by other pages.=20 >=20 > b. Reducing the data copy >=20 > c. Fix two corruption issues. >=20 > ChenLiang (7): > Fix one XBZRLE corruption issues > migration: Add counters of updating the dirty bitmap. > XBZRLE: optimize XBZRLE to decrease the cache missing > XBZRLE: rebuild the cache_is_cached function > migration: Fix the migrate auto converge process > migraion: optimiztion xbzrle by reducing data copy > migraion: delete death code Your series did not come through properly threaded, which makes it harder to review. All of the patches are lacking an In-Reply-To: header pointing back to this cover letter. 'git send-email' is able to send threaded series; please investigate why it didn't work for you this time around. --=20 Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org --0tmmXaU338vX8PiQHMbHCWj4DMAnvpPKo Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: Public key at http://people.redhat.com/eblake/eblake.gpg Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBCAAGBQJTEIo/AAoJEKeha0olJ0NqerYIAJfMaOGjTqKGD1NLoF7e8BNb A3wBX30RPY2jkpa1+hE8ugTwdJ4xxf89P+pMsyoTWouiaOdMlaJ8DxTo9IMaEaIJ CTShKsc1DRNJnRcL3wjCPovIcC0yqVH+twropck+Tir/FsEjIC2Q1jo9qRvayPYD 5FiTUXi75RMRDoPffxKl4HFRKt/wDXHIUg8Ck6/hlOwVFxkSC2dSX20BYWS4ocrl MzJojQW6YRbONFvW83T9sB73+jeDsiFcgyoovCiRpwcS/lo+4+iNKOrcO3J2EVU4 ww/bFkmnQAjcNowPmAFVkohMvj0pOECXkcKtixKQ/F+vTsphNyB73o78o/MesaA= =87Ct -----END PGP SIGNATURE----- --0tmmXaU338vX8PiQHMbHCWj4DMAnvpPKo--