From: Eric Blake <eblake@redhat.com>
To: Liang Li <liang.z.li@intel.com>, qemu-devel@nongnu.org
Cc: quintela@redhat.com, armbru@redhat.com, lcapitulino@redhat.com,
Yang Zhang <yang.z.zhang@intel.com>,
amit.shah@redhat.com, dgilbert@redhat.com
Subject: Re: [Qemu-devel] [v7 12/14] migration: Use an array instead of 3 parameters
Date: Tue, 14 Apr 2015 06:03:48 -0600 [thread overview]
Message-ID: <552D0224.7060001@redhat.com> (raw)
In-Reply-To: <1428474011-30797-13-git-send-email-liang.z.li@intel.com>
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On 04/08/2015 12:20 AM, Liang Li wrote:
> Put the three parameters related to multiple thread (de)compression
> into an int array, and use an enum type to index the parameter.
>
> Signed-off-by: Liang Li <liang.z.li@intel.com>
> Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
> ---
> include/migration/migration.h | 4 +---
> migration/migration.c | 31 +++++++++++++++++++------------
> qapi-schema.json | 23 +++++++++++++++++++++++
> 3 files changed, 43 insertions(+), 15 deletions(-)
>
> +++ b/qapi-schema.json
> @@ -569,6 +569,29 @@
> ##
> { 'command': 'query-migrate-capabilities', 'returns': ['MigrationCapabilityStatus']}
>
> +# @MigrationParameter
> +#
> +# Migration parameters enumeration
> +#
> +# @compress-level: Set the compression level to be used in live migration,
> +# the compression level is an integer between 0 and 9, where 0 means
> +# no compression, 1 means the best compression speed, and 9 means best
> +# compression ratio which will consume more CPU.
> +#
> +# @compress-threads: Set compression thread count to be used in live migration,
> +# the compression thread count is an integer between 1 and 255.
> +#
> +# @decompress-threads: Set decompression thread count to be used in live
> +# migration, the decompression thread count is an integer between 1
> +# and 255. Usually, decompression is at least 4 times as fast as
> +# compression, so set the decompress-threads to the number about 1/4
> +# of compress-threads is adequate.
s/so set/so setting/
> +#
> +# Since: 2.3
2.4
Maintainer can fix if a respin is not needed.
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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next prev parent reply other threads:[~2015-04-14 12:03 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-08 6:19 [Qemu-devel] [PATCH v7 0/14] migration: Add a new feature to do live migration Liang Li
2015-04-08 6:19 ` [Qemu-devel] [v7 01/14] docs: Add a doc about multiple thread compression Liang Li
2015-04-08 6:19 ` [Qemu-devel] [v7 02/14] migration: Add the framework of multi-thread compression Liang Li
2015-04-08 6:20 ` [Qemu-devel] [v7 03/14] migration: Add the framework of multi-thread decompression Liang Li
2015-04-08 6:20 ` [Qemu-devel] [v7 04/14] qemu-file: Add compression functions to QEMUFile Liang Li
2015-04-08 6:20 ` [Qemu-devel] [v7 05/14] arch_init: Alloc and free data struct for compression Liang Li
2015-04-08 6:20 ` [Qemu-devel] [v7 06/14] arch_init: Add and free data struct for decompression Liang Li
2015-04-08 6:20 ` [Qemu-devel] [v7 07/14] migration: Split save_zero_page from ram_save_page Liang Li
2015-04-08 6:20 ` [Qemu-devel] [v7 08/14] migration: Add the core code of multi-thread compression Liang Li
2015-04-08 11:14 ` Juan Quintela
2015-04-08 6:20 ` [Qemu-devel] [v7 09/14] migration: Make compression co-work with xbzrle Liang Li
2015-04-08 11:26 ` Juan Quintela
2015-04-08 13:52 ` Li, Liang Z
2015-04-08 6:20 ` [Qemu-devel] [v7 10/14] migration: Add the core code for decompression Liang Li
2015-04-08 11:34 ` Juan Quintela
2015-04-08 14:00 ` Li, Liang Z
2015-04-08 14:48 ` Juan Quintela
2015-04-08 6:20 ` [Qemu-devel] [v7 11/14] migration: Add interface to control compression Liang Li
2015-04-08 11:34 ` Juan Quintela
2015-04-14 12:00 ` Eric Blake
2015-04-08 6:20 ` [Qemu-devel] [v7 12/14] migration: Use an array instead of 3 parameters Liang Li
2015-04-08 11:37 ` Juan Quintela
2015-04-14 12:01 ` Eric Blake
2015-04-14 12:03 ` Eric Blake [this message]
2015-04-15 8:13 ` Juan Quintela
2015-04-15 8:35 ` Li, Liang Z
2015-04-08 6:20 ` [Qemu-devel] [v7 13/14] migration: Add qmp commands to set and query parameters Liang Li
2015-04-08 11:39 ` Juan Quintela
2015-04-14 2:07 ` Li, Liang Z
2015-04-14 9:24 ` Juan Quintela
2015-04-14 12:09 ` Eric Blake
2015-04-14 12:16 ` Eric Blake
2015-04-08 6:20 ` [Qemu-devel] [v7 14/14] migration: Add hmp interface " Liang Li
2015-04-14 12:20 ` Eric Blake
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