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Re: [Qemu-devel] [PATCH v12 11/13] Add XBZRLE to ram_save_block and ram_
From: |
Eric Blake |
Subject: |
Re: [Qemu-devel] [PATCH v12 11/13] Add XBZRLE to ram_save_block and ram_save_live |
Date: |
Tue, 19 Jun 2012 12:50:44 -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:
> In the outgoing migration check to see if the page is cached and
> changed than send compressed page by using save_xbrle_page function.
> In the incoming migration check to see if RAM_SAVE_FLAG_XBRLE is set
> and decompress the page (by using load_xbrle function).
>
> Signed-off-by: Benoit Hudzia <address@hidden>
> Signed-off-by: Petter Svard <address@hidden>
> Signed-off-by: Aidan Shribman <address@hidden>
> Signed-off-by: Orit Wasserman <address@hidden>
> +
> + /* Stage 1 cache the page and exit.
> + Stage 2 check to see if page is cached , if not cache the page.
s/ ,/,/
> + } else if (migrate_use_xbzrle() && stage != 3) {
> + /* In stage 1 we only cache the pages before sending them
> + from the cache (uncompressed).
> + We doen't use compression for stage 3.
s/doen't/don't/
--
Eric Blake address@hidden +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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- Re: [Qemu-devel] [PATCH v12 03/13] Add XBZRLE documentation, (continued)
- [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
- Re: [Qemu-devel] [PATCH v12 11/13] Add XBZRLE to ram_save_block and ram_save_live,
Eric Blake <=
- [Qemu-devel] [PATCH v12 13/13] Add XBZRLE statistics, Orit Wasserman, 2012/06/19
- [Qemu-devel] [PATCH v12 12/13] Add set_cachesize command, Orit Wasserman, 2012/06/19
- [Qemu-devel] [PATCH v12 09/13] Add migration_end function, Orit Wasserman, 2012/06/19
- [Qemu-devel] [PATCH v12 08/13] Change ram_save_block to return -1 if there are no more changes, Orit Wasserman, 2012/06/19
- [Qemu-devel] [PATCH v12 10/13] Add xbzrle_encode_buffer and xbzrle_decode_buffer functions, Orit Wasserman, 2012/06/19