{
.name = "dump-guest-memory",
- .args_type = "paging:b,protocol:s,begin:i?,end:i?",
- .params = "-p protocol [begin] [length]",
+ .args_type = "paging:b,protocol:s,begin:i?,end:i?,format:s?",
+ .params = "-p protocol [begin] [length] [format]",
.help = "dump guest memory to file",
.user_print = monitor_user_noop,
.mhandler.cmd_new = qmp_marshal_input_dump_guest_memory,
with length together (json-int)
- "length": the memory size, in bytes. It's optional, and should be specified
with begin together (json-int)
+- "format": the format of guest memory dump. It's optional, and can be
+ elf|kdump-zlib|kdump-lzo|kdump-snappy, but non-elf formats will
+ conflict with paging and filter, ie. begin and length (json-string)
Example:
(1) All boolean arguments default to false
+EQMP
+
+ {
+ .name = "query-dump-guest-memory-capability",
+ .args_type = "",
+ .mhandler.cmd_new = qmp_marshal_input_query_dump_guest_memory_capability,
+ },
+
+SQMP
+query-dump-guest-memory-capability
+----------
+
+Show available formats for 'dump-guest-memory'
+
+Example:
+
+-> { "execute": "query-dump-guest-memory-capability" }
+<- { "return": { "formats":
+ ["elf", "kdump-zlib", "kdump-lzo", "kdump-snappy"] }
+
EQMP
{
-> { "execute": "transaction",
"arguments": { "actions": [
- { 'type': 'blockdev-snapshot-sync', 'data' : { "device": "ide-hd0",
+ { "type": "blockdev-snapshot-sync", "data" : { "device": "ide-hd0",
"snapshot-file": "/some/place/my-image",
"format": "qcow2" } },
- { 'type': 'blockdev-snapshot-sync', 'data' : { "node-name": "myfile",
+ { "type": "blockdev-snapshot-sync", "data" : { "node-name": "myfile",
"snapshot-file": "/some/place/my-image2",
"snapshot-node-name": "node3432",
"mode": "existing",
"format": "qcow2" } },
- { 'type': 'blockdev-snapshot-sync', 'data' : { "device": "ide-hd1",
+ { "type": "blockdev-snapshot-sync", "data" : { "device": "ide-hd1",
"snapshot-file": "/some/place/my-image2",
"mode": "existing",
"format": "qcow2" } },
- { 'type': 'blockdev-snapshot-internal-sync', 'data' : {
+ { "type": "blockdev-snapshot-internal-sync", "data" : {
"device": "ide-hd2",
"name": "snapshot0" } } ] } }
<- { "return": {} }
- "iops_rd_max": read I/O operations max (json-int)
- "iops_wr_max": write I/O operations max (json-int)
- "iops_size": I/O size when limiting by iops (json-int)
+ - "detect_zeroes": detect and optimize zero writing (json-string)
+ - Possible values: "off", "on", "unmap"
- "image": the detail of the image, it is a json-object containing
the following:
- "filename": image file name (json-string)
"iops_rd_max": 0,
"iops_wr_max": 0,
"iops_size": 0,
+ "detect_zeroes": "on",
"image":{
"filename":"disks/test.qcow2",
"format":"qcow2",
.mhandler.cmd_new = qmp_marshal_input_query_cpus,
},
+SQMP
+query-iothreads
+---------------
+
+Returns a list of information about each iothread.
+
+Note this list excludes the QEMU main loop thread, which is not declared
+using the -object iothread command-line option. It is always the main thread
+of the process.
+
+Return a json-array. Each iothread is represented by a json-object, which contains:
+
+- "id": name of iothread (json-str)
+- "thread-id": ID of the underlying host thread (json-int)
+
+Example:
+
+-> { "execute": "query-iothreads" }
+<- {
+ "return":[
+ {
+ "id":"iothread0",
+ "thread-id":3134
+ },
+ {
+ "id":"iothread1",
+ "thread-id":3135
+ }
+ ]
+ }
+
+EQMP
+
+ {
+ .name = "query-iothreads",
+ .args_type = "",
+ .mhandler.cmd_new = qmp_marshal_input_query_iothreads,
+ },
+
SQMP
query-pci
---------
or 'size')
- "help": human readable description of the parameter
(json-string, optional)
+ - "default": default value string for the parameter
+ (json-string, optional)
Example:
The main json-object contains the following:
- "status": migration status (json-string)
- - Possible values: "active", "completed", "failed", "cancelled"
+ - Possible values: "setup", "active", "completed", "failed", "cancelled"
- "total-time": total amount of ms since migration started. If
migration has ended, it returns the total migration
time (json-int)
pages. This is just normal pages times size of one page,
but this way upper levels don't need to care about page
size (json-int)
+ - "dirty-sync-count": times that dirty ram was synchronized (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:
- "transferred": amount transferred in bytes (json-int)
- "bytes": number of bytes transferred for XBZRLE compressed pages
- "pages": number of XBZRLE compressed pages
- "cache-miss": number of XBRZRLE page cache misses
+ - "cache-miss-rate": rate of XBRZRLE page cache misses
- "overflow": number of times XBZRLE overflows. This means
that the XBZRLE encoding was bigger than just sent the
whole page, and then we sent the whole page instead (as as
"downtime":12345,
"duplicate":123,
"normal":123,
- "normal-bytes":123456
+ "normal-bytes":123456,
+ "dirty-sync-count":15
}
}
}
"expected-downtime":12345,
"duplicate":123,
"normal":123,
- "normal-bytes":123456
+ "normal-bytes":123456,
+ "dirty-sync-count":15
}
}
}
"expected-downtime":12345,
"duplicate":123,
"normal":123,
- "normal-bytes":123456
+ "normal-bytes":123456,
+ "dirty-sync-count":15
},
"disk":{
"total":20971520,
"expected-downtime":12345,
"duplicate":10,
"normal":3333,
- "normal-bytes":3412992
+ "normal-bytes":3412992,
+ "dirty-sync-count":15
},
"xbzrle-cache":{
"cache-size":67108864,
"bytes":20971520,
"pages":2444343,
"cache-miss":2244,
+ "cache-miss-rate":0.123,
"overflow":34434
}
}
- "promiscuous": promiscuous mode is enabled (json-bool)
- "multicast": multicast receive state (one of 'normal', 'none', 'all')
- "unicast": unicast receive state (one of 'normal', 'none', 'all')
+- "vlan": vlan receive state (one of 'normal', 'none', 'all') (Since 2.0)
- "broadcast-allowed": allow to receive broadcast (json-bool)
- "multicast-overflow": multicast table is overflowed (json-bool)
- "unicast-overflow": unicast table is overflowed (json-bool)
"name": "vnet0",
"main-mac": "52:54:00:12:34:56",
"unicast": "normal",
+ "vlan": "normal",
"vlan-table": [
4,
0
projects / mirror_qemu.git / blobdiff