1QA output created by 223 2 3=== Create partially sparse image, then add dirty bitmaps === 4 5Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=4194304 6wrote 2097152/2097152 bytes at offset 1048576 72 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) 8Testing: 9QMP_VERSION 10{"return": {}} 11{"return": {}} 12{"return": {}} 13{"return": {}} 14{"return": {}} 15{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false, "reason": "host-qmp-quit"}} 16 17 18=== Write part of the file under active bitmap === 19 20wrote 512/512 bytes at offset 512 21512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) 22wrote 2097152/2097152 bytes at offset 2097152 232 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) 24 25=== End dirty bitmaps, and start serving image over NBD === 26 27{"execute":"qmp_capabilities"} 28{"return": {}} 29{"execute":"blockdev-add", "arguments":{"driver":"IMGFMT", "node-name":"n", "file":{"driver":"file", "filename":"TEST_DIR/t.IMGFMT"}}} 30{"return": {}} 31{"execute":"block-dirty-bitmap-disable", "arguments":{"node":"n", "name":"b"}} 32{"return": {}} 33 34=== Set up NBD with normal access === 35 36{"execute":"nbd-server-add", "arguments":{"device":"n"}} 37{"error": {"class": "GenericError", "desc": "NBD server not running"}} 38{"execute":"nbd-server-start", "arguments":{"addr":{"type":"unix", "data":{"path":"SOCK_DIR/nbd"}}}} 39{"return": {}} 40{"execute":"nbd-server-start", "arguments":{"addr":{"type":"unix", "data":{"path":"SOCK_DIR/nbd1"}}}} 41{"error": {"class": "GenericError", "desc": "NBD server already running"}} 42exports available: 0 43{"execute":"nbd-server-add", "arguments":{"device":"n", "bitmap":"b"}} 44{"return": {}} 45{"execute":"nbd-server-add", "arguments":{"device":"nosuch"}} 46{"error": {"class": "GenericError", "desc": "Cannot find device=nosuch nor node_name=nosuch"}} 47{"execute":"nbd-server-add", "arguments":{"device":"n"}} 48{"error": {"class": "GenericError", "desc": "Block export id 'n' is already in use"}} 49{"execute":"nbd-server-add", "arguments":{"device":"n", "name":"n2", "bitmap":"b2"}} 50{"error": {"class": "GenericError", "desc": "Enabled bitmap 'b2' incompatible with readonly export"}} 51{"execute":"nbd-server-add", "arguments":{"device":"n", "name":"n2", "bitmap":"b3"}} 52{"error": {"class": "GenericError", "desc": "Bitmap 'b3' is not found"}} 53{"execute":"nbd-server-add", "arguments":{"device":"n", "name":"n2", "writable":true, "description":"some text", "bitmap":"b2"}} 54{"return": {}} 55exports available: 2 56 export: 'n' 57 size: 4194304 58 flags: 0x58f ( readonly flush fua df multi cache ) 59 min block: 1 60 opt block: 4096 61 max block: 33554432 62 available meta contexts: 2 63 base:allocation 64 qemu:dirty-bitmap:b 65 export: 'n2' 66 description: some text 67 size: 4194304 68 flags: 0xced ( flush fua trim zeroes df cache fast-zero ) 69 min block: 1 70 opt block: 4096 71 max block: 33554432 72 available meta contexts: 2 73 base:allocation 74 qemu:dirty-bitmap:b2 75 76=== Contrast normal status to large granularity dirty-bitmap === 77 78read 512/512 bytes at offset 512 79512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) 80read 524288/524288 bytes at offset 524288 81512 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) 82read 1048576/1048576 bytes at offset 1048576 831 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) 84read 2097152/2097152 bytes at offset 2097152 852 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) 86[{ "start": 0, "length": 4096, "depth": 0, "zero": false, "data": true, "offset": OFFSET}, 87{ "start": 4096, "length": 1044480, "depth": 0, "zero": true, "data": false, "offset": OFFSET}, 88{ "start": 1048576, "length": 3145728, "depth": 0, "zero": false, "data": true, "offset": OFFSET}] 89[{ "start": 0, "length": 65536, "depth": 0, "zero": false, "data": false}, 90{ "start": 65536, "length": 2031616, "depth": 0, "zero": false, "data": true, "offset": OFFSET}, 91{ "start": 2097152, "length": 2097152, "depth": 0, "zero": false, "data": false}] 92 93=== Contrast to small granularity dirty-bitmap === 94 95[{ "start": 0, "length": 512, "depth": 0, "zero": false, "data": true, "offset": OFFSET}, 96{ "start": 512, "length": 512, "depth": 0, "zero": false, "data": false}, 97{ "start": 1024, "length": 2096128, "depth": 0, "zero": false, "data": true, "offset": OFFSET}, 98{ "start": 2097152, "length": 2097152, "depth": 0, "zero": false, "data": false}] 99 100=== End qemu NBD server === 101 102{"execute":"nbd-server-remove", "arguments":{"name":"n"}} 103{"return": {}} 104{"execute":"nbd-server-remove", "arguments":{"name":"n2"}} 105{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_EXPORT_DELETED", "data": {"id": "n"}} 106{"return": {}} 107{"execute":"nbd-server-remove", "arguments":{"name":"n2"}} 108{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_EXPORT_DELETED", "data": {"id": "n2"}} 109{"error": {"class": "GenericError", "desc": "Export 'n2' is not found"}} 110{"execute":"nbd-server-stop"} 111{"return": {}} 112{"execute":"nbd-server-stop"} 113{"error": {"class": "GenericError", "desc": "NBD server not running"}} 114 115=== Set up NBD with iothread access === 116 117{"execute":"x-blockdev-set-iothread", "arguments":{"node-name":"n", "iothread":"io0"}} 118{"return": {}} 119{"execute":"nbd-server-add", "arguments":{"device":"n"}} 120{"error": {"class": "GenericError", "desc": "NBD server not running"}} 121{"execute":"nbd-server-start", "arguments":{"addr":{"type":"unix", "data":{"path":"SOCK_DIR/nbd"}}}} 122{"return": {}} 123{"execute":"nbd-server-start", "arguments":{"addr":{"type":"unix", "data":{"path":"SOCK_DIR/nbd1"}}}} 124{"error": {"class": "GenericError", "desc": "NBD server already running"}} 125exports available: 0 126{"execute":"nbd-server-add", "arguments":{"device":"n", "bitmap":"b"}} 127{"return": {}} 128{"execute":"nbd-server-add", "arguments":{"device":"nosuch"}} 129{"error": {"class": "GenericError", "desc": "Cannot find device=nosuch nor node_name=nosuch"}} 130{"execute":"nbd-server-add", "arguments":{"device":"n"}} 131{"error": {"class": "GenericError", "desc": "Block export id 'n' is already in use"}} 132{"execute":"nbd-server-add", "arguments":{"device":"n", "name":"n2", "bitmap":"b2"}} 133{"error": {"class": "GenericError", "desc": "Enabled bitmap 'b2' incompatible with readonly export"}} 134{"execute":"nbd-server-add", "arguments":{"device":"n", "name":"n2", "bitmap":"b3"}} 135{"error": {"class": "GenericError", "desc": "Bitmap 'b3' is not found"}} 136{"execute":"nbd-server-add", "arguments":{"device":"n", "name":"n2", "writable":true, "description":"some text", "bitmap":"b2"}} 137{"return": {}} 138exports available: 2 139 export: 'n' 140 size: 4194304 141 flags: 0x58f ( readonly flush fua df multi cache ) 142 min block: 1 143 opt block: 4096 144 max block: 33554432 145 available meta contexts: 2 146 base:allocation 147 qemu:dirty-bitmap:b 148 export: 'n2' 149 description: some text 150 size: 4194304 151 flags: 0xced ( flush fua trim zeroes df cache fast-zero ) 152 min block: 1 153 opt block: 4096 154 max block: 33554432 155 available meta contexts: 2 156 base:allocation 157 qemu:dirty-bitmap:b2 158 159=== Contrast normal status to large granularity dirty-bitmap === 160 161read 512/512 bytes at offset 512 162512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) 163read 524288/524288 bytes at offset 524288 164512 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) 165read 1048576/1048576 bytes at offset 1048576 1661 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) 167read 2097152/2097152 bytes at offset 2097152 1682 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) 169[{ "start": 0, "length": 4096, "depth": 0, "zero": false, "data": true, "offset": OFFSET}, 170{ "start": 4096, "length": 1044480, "depth": 0, "zero": true, "data": false, "offset": OFFSET}, 171{ "start": 1048576, "length": 3145728, "depth": 0, "zero": false, "data": true, "offset": OFFSET}] 172[{ "start": 0, "length": 65536, "depth": 0, "zero": false, "data": false}, 173{ "start": 65536, "length": 2031616, "depth": 0, "zero": false, "data": true, "offset": OFFSET}, 174{ "start": 2097152, "length": 2097152, "depth": 0, "zero": false, "data": false}] 175 176=== Contrast to small granularity dirty-bitmap === 177 178[{ "start": 0, "length": 512, "depth": 0, "zero": false, "data": true, "offset": OFFSET}, 179{ "start": 512, "length": 512, "depth": 0, "zero": false, "data": false}, 180{ "start": 1024, "length": 2096128, "depth": 0, "zero": false, "data": true, "offset": OFFSET}, 181{ "start": 2097152, "length": 2097152, "depth": 0, "zero": false, "data": false}] 182 183=== End qemu NBD server === 184 185{"execute":"nbd-server-remove", "arguments":{"name":"n"}} 186{"return": {}} 187{"execute":"nbd-server-remove", "arguments":{"name":"n2"}} 188{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_EXPORT_DELETED", "data": {"id": "n"}} 189{"return": {}} 190{"execute":"nbd-server-remove", "arguments":{"name":"n2"}} 191{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_EXPORT_DELETED", "data": {"id": "n2"}} 192{"error": {"class": "GenericError", "desc": "Export 'n2' is not found"}} 193{"execute":"nbd-server-stop"} 194{"return": {}} 195{"execute":"nbd-server-stop"} 196{"error": {"class": "GenericError", "desc": "NBD server not running"}} 197{"execute":"quit"} 198{"return": {}} 199{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false, "reason": "host-qmp-quit"}} 200 201=== Use qemu-nbd as server === 202 203[{ "start": 0, "length": 65536, "depth": 0, "zero": false, "data": false}, 204{ "start": 65536, "length": 2031616, "depth": 0, "zero": false, "data": true, "offset": OFFSET}, 205{ "start": 2097152, "length": 2097152, "depth": 0, "zero": false, "data": false}] 206[{ "start": 0, "length": 512, "depth": 0, "zero": false, "data": true, "offset": OFFSET}, 207{ "start": 512, "length": 512, "depth": 0, "zero": false, "data": false}, 208{ "start": 1024, "length": 11321, "depth": 0, "zero": false, "data": true, "offset": OFFSET}] 209[{ "start": 12345, "length": 2084807, "depth": 0, "zero": false, "data": true, "offset": OFFSET}, 210{ "start": 2097152, "length": 2097152, "depth": 0, "zero": false, "data": false}] 211*** done 212