diff options
Diffstat (limited to 'qmp-commands.hx')
| -rw-r--r-- | qmp-commands.hx | 159 |
1 files changed, 155 insertions, 4 deletions
diff --git a/qmp-commands.hx b/qmp-commands.hx index 521da1055f..527b9f7c24 100644 --- a/qmp-commands.hx +++ b/qmp-commands.hx @@ -520,6 +520,50 @@ Example: <- { "return": {} } EQMP +{ + .name = "migrate-set-cache-size", + .args_type = "value:o", + .mhandler.cmd_new = qmp_marshal_input_migrate_set_cache_size, + }, + +SQMP +migrate-set-cache-size +--------------------- + +Set cache size to be used by XBZRLE migration, the cache size will be rounded +down to the nearest power of 2 + +Arguments: + +- "value": cache size in bytes (json-int) + +Example: + +-> { "execute": "migrate-set-cache-size", "arguments": { "value": 536870912 } } +<- { "return": {} } + +EQMP + { + .name = "query-migrate-cache-size", + .args_type = "", + .mhandler.cmd_new = qmp_marshal_input_query_migrate_cache_size, + }, + +SQMP +query-migrate-cache-size +--------------------- + +Show cache size to be used by XBZRLE migration + +returns a json-object with the following information: +- "size" : json-int + +Example: + +-> { "execute": "query-migrate-cache-size" } +<- { "return": 67108864 } + +EQMP { .name = "migrate_set_speed", @@ -2078,12 +2122,24 @@ The main json-object contains the following: - "transferred": amount transferred (json-int) - "remaining": amount remaining (json-int) - "total": total (json-int) + - "total-time": total amount of ms since migration started. If + migration has ended, it returns the total migration time + (json-int) + - "duplicate": number of duplicated pages (json-int) + - "normal" : number of normal pages transferred (json-int) + - "normal-bytes" : number of normal bytes transferred (json-int) - "disk": only present if "status" is "active" and it is a block migration, it is a json-object with the following disk information (in bytes): - "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 + - "bytes": total XBZRLE bytes transferred + - "pages": number of XBZRLE compressed pages + - "cache-miss": number of cache misses + - "overflow": number of XBZRLE overflows Examples: 1. Before the first migration @@ -2094,7 +2150,19 @@ Examples: 2. Migration is done and has succeeded -> { "execute": "query-migrate" } -<- { "return": { "status": "completed" } } +<- { "return": { + "status": "completed", + "ram":{ + "transferred":123, + "remaining":123, + "total":246, + "total-time":12345, + "duplicate":123, + "normal":123, + "normal-bytes":123456 + } + } + } 3. Migration is done and has failed @@ -2110,7 +2178,11 @@ Examples: "ram":{ "transferred":123, "remaining":123, - "total":246 + "total":246, + "total-time":12345, + "duplicate":123, + "normal":123, + "normal-bytes":123456 } } } @@ -2124,7 +2196,11 @@ Examples: "ram":{ "total":1057024, "remaining":1053304, - "transferred":3720 + "transferred":3720, + "total-time":12345, + "duplicate":123, + "normal":123, + "normal-bytes":123456 }, "disk":{ "total":20971520, @@ -2134,6 +2210,32 @@ 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, + "total-time":12345, + "duplicate":10, + "normal":3333, + "normal-bytes":3412992 + }, + "xbzrle-cache":{ + "cache-size":67108864, + "bytes":20971520, + "pages":2444343, + "cache-miss":2244, + "overflow":34434 + } + } + } + EQMP { @@ -2143,6 +2245,55 @@ EQMP }, SQMP +migrate-set-capabilities +------- + +Enable/Disable migration capabilities + +- "xbzrle": xbzrle support + +Arguments: + +Example: + +-> { "execute": "migrate-set-capabilities" , "arguments": + { "capabilities": [ { "capability": "xbzrle", "state": true } ] } } + +EQMP + + { + .name = "migrate-set-capabilities", + .args_type = "capabilities:O", + .params = "capability:s,state:b", + .mhandler.cmd_new = qmp_marshal_input_migrate_set_capabilities, + }, +SQMP +query-migrate-capabilities +------- + +Query current migration capabilities + +- "capabilities": migration capabilities state + - "xbzrle" : XBZRLE state (json-bool) + +Arguments: + +Example: + +-> { "execute": "query-migrate-capabilities" } +<- { "return": { + "capabilities" : [ { "capability" : "xbzrle", "state" : false } ] + } + } +EQMP + + { + .name = "query-migrate-capabilities", + .args_type = "", + .mhandler.cmd_new = qmp_marshal_input_query_migrate_capabilities, + }, + +SQMP query-balloon ------------- |