From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:46798) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Sh1Zl-00073N-Fp for qemu-devel@nongnu.org; Tue, 19 Jun 2012 12:46:51 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Sh1Zf-0008AK-99 for qemu-devel@nongnu.org; Tue, 19 Jun 2012 12:46:45 -0400 Received: from mx1.redhat.com ([209.132.183.28]:36284) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Sh1Zf-0008AA-0p for qemu-devel@nongnu.org; Tue, 19 Jun 2012 12:46:39 -0400 Message-ID: <4FE0ACE7.4020106@redhat.com> Date: Tue, 19 Jun 2012 10:46:31 -0600 From: Eric Blake MIME-Version: 1.0 References: <1340120601-24747-1-git-send-email-owasserm@redhat.com> <1340120601-24747-4-git-send-email-owasserm@redhat.com> In-Reply-To: <1340120601-24747-4-git-send-email-owasserm@redhat.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------enig68C3F1EC8F5139641DA13F07" Subject: Re: [Qemu-devel] [PATCH v12 03/13] Add XBZRLE documentation List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Orit Wasserman Cc: peter.maydell@linaro.org, aliguori@us.ibm.com, quintela@redhat.com, stefanha@gmail.com, qemu-devel@nongnu.org, mdroth@linux.vnet.ibm.com, blauwirbel@gmail.com, avi@redhat.com, pbonzini@redhat.com, chegu_vinod@hp.com This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig68C3F1EC8F5139641DA13F07 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 06/19/2012 09:43 AM, Orit Wasserman wrote: > Signed-off-by: Orit Wasserman > --- > docs/xbzrle.txt | 115 +++++++++++++++++++++++++++++++++++++++++++++++= ++++++++ > 1 files changed, 115 insertions(+), 0 deletions(-) > create mode 100644 docs/xbzrle.txt >=20 > +Format > +=3D=3D=3D=3D=3D=3D=3D > + > +The compression format preforms a XOR between the previous and current= content > +of the page, where zero represents an unchanged value. > +The page data delta is represented by zero and non zero runs. > +A zero run is represented by it's length (in bytes). s/it's/its/ (it's always means "it is"; the possessive form has no apostrophe) > +A non zero run is represented by it's length (in bytes) and the data. s/it's/its/ > +cache-miss: the number of cache misses to date - high cache-miss rate > +indicates that the cache size is set too low. > +overflow: the number of overflows in the decoding which where the delt= a could > +not be compressed. This can happen if the changes in the pages are too= large > +or there are many short changes for example change every second byte (= half a s/changes for example change/changes; for example, changing/ --=20 Eric Blake eblake@redhat.com +1-919-301-3266 Libvirt virtualization library http://libvirt.org --------------enig68C3F1EC8F5139641DA13F07 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) Comment: Public key at http://people.redhat.com/eblake/eblake.gpg Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iQEcBAEBCAAGBQJP4KznAAoJEKeha0olJ0NqvPMH/RwNcOSl1k0WjsppcYVfVEzw n4NABq3RlQO1c0xFO2RCleZlmFnbuSknO8EsXpqE/y9J2vMLjd/ilEJOKccD15nl 2yrAt/uEFwbbIeRqyGI7aXDVDA58SUwLa9G7aPI1DGM6iswIUMpPIauSCEp8hsN7 lUhSWIc40pL3Yj5q0EJs42Vj2YVLgZD0zANDYvpfM7e6JC/sHAUcHG1UuBeh6sSP KgLcRXbgONPdBBDcU+VWhOf7l2hK1HOUJm8cy0Xjr53QcY0mkvOESQAAN4sU/oF4 jileZCx/4v+g2zYOw7YTbE5v/1vtcX+mYFkWTde7LQ4or0NFF+MDTlzYxNEiHhQ= =Rqkx -----END PGP SIGNATURE----- --------------enig68C3F1EC8F5139641DA13F07--