[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH v12 03/13] Add XBZRLE documentation
From: |
Eric Blake |
Subject: |
Re: [Qemu-devel] [PATCH v12 03/13] Add XBZRLE documentation |
Date: |
Tue, 19 Jun 2012 10:46:31 -0600 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:13.0) Gecko/20120605 Thunderbird/13.0 |
On 06/19/2012 09:43 AM, Orit Wasserman wrote:
> Signed-off-by: Orit Wasserman <address@hidden>
> ---
> docs/xbzrle.txt | 115
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++
> 1 files changed, 115 insertions(+), 0 deletions(-)
> create mode 100644 docs/xbzrle.txt
>
> +Format
> +=======
> +
> +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 delta 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/
--
Eric Blake address@hidden +1-919-301-3266
Libvirt virtualization library http://libvirt.org
signature.asc
Description: OpenPGP digital signature
- [Qemu-devel] [PATCH v12 00/13] XBZRLE delta for live migration of large memory app, Orit Wasserman, 2012/06/19
- [Qemu-devel] [PATCH v12 01/13] Add MigrationParams structure, Orit Wasserman, 2012/06/19
- [Qemu-devel] [PATCH v12 03/13] Add XBZRLE documentation, Orit Wasserman, 2012/06/19
- Re: [Qemu-devel] [PATCH v12 03/13] Add XBZRLE documentation,
Eric Blake <=
- [Qemu-devel] [PATCH v12 02/13] Add migration capabilites, Orit Wasserman, 2012/06/19
- [Qemu-devel] [PATCH v12 05/13] Add uleb encoding/decoding functions, Orit Wasserman, 2012/06/19
- [Qemu-devel] [PATCH v12 04/13] Add cache handling functions, Orit Wasserman, 2012/06/19
- [Qemu-devel] [PATCH v12 06/13] Add save_block_hdr function, Orit Wasserman, 2012/06/19
- [Qemu-devel] [PATCH v12 07/13] Add debugging infrastructure, Orit Wasserman, 2012/06/19
- [Qemu-devel] [PATCH v12 11/13] Add XBZRLE to ram_save_block and ram_save_live, Orit Wasserman, 2012/06/19