On 08/01/2012 12:01 PM, Juan Quintela wrote: > From: Orit Wasserman <[email protected]> > > Signed-off-by: Benoit Hudzia <[email protected]> > Signed-off-by: Petter Svard <[email protected]> > Signed-off-by: Aidan Shribman <[email protected]> > Signed-off-by: Orit Wasserman <[email protected]> > Signed-off-by: Juan Quintela <[email protected]> > --- > arch_init.c | 28 ++++++++++++++++++++++++++++ > hmp.c | 13 +++++++++++++ > migration.c | 17 +++++++++++++++++ > migration.h | 4 ++++ > qapi-schema.json | 28 +++++++++++++++++++++++++++- > qmp-commands.hx | 36 +++++++++++++++++++++++++++++++++++- > 6 files changed, 124 insertions(+), 2 deletions(-) >
> ##
> +# @XBZRLECacheStats
> +#
> +# Detailed XBZRLE migration cache statistics
> +#
> +# @cache-size: XBZRLE cache size
> +#
> +# @xbzrle-bytes: amount of bytes already transferred to the target VM
> +#
> +# @xbzrle-pages: amount of pages transferred to the target VM
> +#
> +# @xbzrle-cache-miss: @optional, number of cache miss
> +#
> +# @xbzrle-overflow: number of overflows
> +#
> +# Since: 1.2
> +##
> +{ 'type': 'XBZRLECacheStats',
> + 'data': {'cache-size': 'int', 'xbzrle-bytes': 'int', 'xbzrle-pages': 'int',
> + 'xbzrle-cache-miss': 'int', 'xbzrle-overflow': 'int' } }
Given that this struct already has xbzrle in the name, do all the fields
need to repeat that information?
> +++ b/qmp-commands.hx
> @@ -2128,7 +2128,17 @@ The main json-object contains the following:
> - "transferred": amount transferred (json-int)
> - "remaining": amount remaining (json-int)
> - "total": total (json-int)
> -
> +- "xbzrle-cache": only present if XBZRLE is active.
> + It is a json-object with the following XBZRLE information:
> + - "cache-size": XBZRLE cache size
> + - "xbzrle-bytes": total XBZRLE bytes transferred, only present if
> + status is "active" or "completed"
> + - "xbzrle-pages": number of XBZRLE compressed pages, only present if
> + status is "active" or "completed"
> + - "cache-miss": number of cache misses, only present if
s/cache-miss/xbzrle-cache-miss/ (unless you heed my earlier complaint,
then s/xbzrle-bytes/bytes/ instead)
> + status is "active" or "completed"
> + - "overflow": number of XBZRLE overflows, only present if
s/overflow/xbzrle-overflow/
> + status is "active" or "completed"
Given that the overall 'xbzrle-cache' struct is already documented as
present when XBZRLE is active, do you need to also document that the
subfields are present when active or completed?
> Examples:
>
> 1. Before the first migration
> @@ -2196,6 +2206,30 @@ Examples:
> }
> }
>
> +6. Migration is being performed and XBZRLE is active:
> +
> +-> { "execute": "query-migrate" }
> +<- {
> + "return":{
> + "status":"active",
> + "capabilities" : [ { "capability": "xbzrle", "state" : true } ],
> + "ram":{
> + "total":1057024,
> + "remaining":1053304,
> + "transferred":3720,
> + "duplicate": 10,
> + "normal" : 3333
Inconsistent spacing around these ':'.
> + },
> + "cache":{
s/cache/xbzrle-cache/
> + "cache-size": 1024
s/ 1024/1024,/
> + "xbzrle-transferred":20971520,
> + "xbzrle-pages":2444343,
> + "xbzrle-cache-miss":2244,
> + "xbzrle-overflow":34434
and if you take my earlier comments, these lines would change too.
--
Eric Blake [email protected] +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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