✎ soc:2010:cooldavid:notes:tcpoorxtest

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=== TCP out-of-order receive dstat test logs ===

The setup is same as [[.:benchmark|TCP Window Size and RX Csum Offload Benchmark]] except with following netem parameters bind to the server interface.

<code>
tc qdisc add dev eth0 root netem loss 0.3% 25% duplicate 1% delay 10ms reorder 25% 50%
</code>

Following test shows the result of this patch:
http://git.etherboot.org/?p=people/cooldavid/gpxe.git;a=commitdiff;h=78c30a86d60de1641595282a6333b3665c2cb091

== ''datat'' output on server before patch, with rxcso, 64k win ==
<code>
----total-cpu-usage---- -dsk/total- --net/eth0- ---paging-- ---system--
usr sys idl wai hiq siq| read  writ| recv  send|  in   out | int   csw
  2   0  98   0   0   0|   0     0 |6864B  154k|   0     0 |1187  1288
  2   0  98   0   0   0|   0     0 |5148B  115k|   0     0 |1072  1322
  1   0  99   0   0   0|   0   120k|  14k  328k|   0     0 |1274  1375
  1   0  99   0   0   0|   0     0 |  11k  245k|   0     0 |1157  1322
  1   1  98   0   0   0|   0     0 |  12k  273k|   0     0 |1265  1349
  1   0  99   0   0   0|   0     0 |6996B  157k|   0     0 |1074  1314
  1   1  98   0   0   0|   0     0 |7788B  174k|   0     0 |1166  1337
  1   0  98   0   0   0|   0     0 |5082B  114k|   0     0 |1082  1264
  1   0  98   0   0   0|   0     0 |8316B  186k|   0     0 |1192  1302
  1   0  99   0   0   0|   0     0 |8976B  201k|   0     0 |1171  1300
  1   1  98   0   0   0|   0     0 |  13k  288k|   0     0 |1247  1337
  1   0  98   0   0   0|   0     0 |  10k  235k|   0     0 |1201  1343
  1   1  98   0   0   0|   0     0 |6138B  138k|   0     0 |1170  1321
  2   0  98   0   0   0|   0     0 |5346B  120k|   0     0 |1142  1287
  2   1  98   0   0   0|   0     0 |7260B  163k|   0     0 |1227  1354
  2   0  98   0   0   0|   0     0 |8580B  192k|   0     0 |1238  1322
  2   0  98   0   0   0|   0     0 |9174B  206k|   0     0 |1214  1328
  2   0  98   0   0   0|   0   104k|6996B  157k|   0     0 |1181  1293
  2   0  97   0   0   0|   0     0 |7326B  164k|   0     0 |1203  1325
  1   0  98   0   0   0|   0     0 |3234B   72k|   0     0 |1068  1282
  2   0  98   0   0   0|   0     0 |  11k  248k|   0     0 |1322  1350
  1   0  98   0   0   0|   0     0 |7062B  158k|   0     0 |1118  1301
  2   0  98   0   0   0|   0     0 |7458B  166k|   0     0 |1185  1327
  2   0  98   0   0   0|   0     0 |9570B  213k|   0     0 |1210  1297
  2   0  98   0   0   0|   0     0 |7722B  173k|   0     0 |1221  1323
  1   0  98   0   0   0|   0     0 |7986B  179k|   0     0 |1163  1316
  2   1  98   0   0   0|   0     0 |9240B  207k|   0     0 |1230  1324
  2   0  98   0   0   0|   0    56k|3828B   86k|   0     0 |1074  1259
  2   0  98   0   0   0|   0     0 |8184B  183k|   0     0 |1181  1368
  2   0  97   0   0   0|   0     0 |  15k  347k|   0     0 |1337  1328
  1   0  98   0   0   0|   0     0 |9834B  220k|   0     0 |1274  1367
  2   0  98   0   0   0|   0     0 |8382B  188k|   0     0 |1160  1310
  2   0  98   0   0   0|   0   112k|  16k  371k|   0     0 |1436  1375
  2   0  98   0   0   0|   0     0 |  12k  275k|   0     0 |1228  1285
  1   0  98   0   0   0|   0     0 |  15k  339k|   0     0 |1314  1336
  2   0  98   0   0   0|   0     0 |  16k  361k|   0     0 |1330  1321
  2   0  98   0   0   0|   0     0 |  10k  234k|   0     0 |1243  1347
  1   1  98   0   0   0|   0     0 |2970B   67k|   0     0 | 984  1236
  1   0  98   0   0   0|   0     0 |6600B  148k|   0     0 |1156  1304
  2   0  98   0   0   0|   0     0 |3432B   77k|   0     0 |1053  1289
  2   0  98   0   0   0|   0     0 |  11k  260k|   0     0 |1309  1338
  2   0  98   0   0   0|   0     0 |8910B  200k|   0     0 |1212  1350
  2   0  98   0   0   0|   0     0 |  12k  268k|   0     0 |1275  1330
  2   0  97   0   0   0|   0     0 |8712B  195k|   0     0 |1160  1263
  1   0  98   0   0   0|   0    40k|  21k  479k|   0     0 |1486  1552
  1   0  98   0   0   0|   0     0 |  13k  288k|   0     0 |1225  1285
  2   0  98   0   0   0|   0     0 |  14k  330k|   0     0 |1333  1283
  2   0  98   0   0   0|   0     0 |7722B  173k|   0     0 |1124  1314
  1   1  98   0   0   0|   0     0 |  10k  237k|   0     0 |1191  1325
  2   0  98   0   0   0|   0     0 |  14k  321k|   0     0 |1226  1285
  2   0  98   0   0   0|   0    24k|6138B  138k|   0     0 |1198  1312
  1   0  98   0   0   0|   0     0 |  10k  232k|   0     0 |1167  1315
  1   0  98   0   0   0|   0     0 |6930B  155k|   0     0 |1134  1319
  2   1  97   0   0   0|8192B    0 |8646B  194k|   0     0 |1231  1339
  1   0  98   0   0   0|   0     0 |  13k  306k|   0     0 |1321  1320
  1   1  98   0   0   0|   0     0 |5082B  114k|   0     0 |1084  1307
  4   0  95   0   0   0|   0    88k|9834B  220k|   0     0 |1417  1366
  1   0  98   0   0   0|   0     0 |6600B  148k|   0     0 |1124  1311
  2   0  98   0   0   0|   0     0 |8910B  200k|   0     0 |1239  1348
  2   0  98   0   0   0|   0     0 |  10k  234k|   0     0 |1286  1409
  1   0  98   0   0   0|   0     0 |  11k  241k|   0     0 |1283  1348
  2   0  98   0   0   0|   0     0 |9834B  220k|   0     0 |1235  1340
  1   0  98   0   0   0|   0    88k|  14k  328k|   0     0 |1290  1321
  1   0  99   0   0   0|   0     0 |  16k  359k|   0     0 |1266  1325
  1   0  98   0   0   0|   0     0 |  13k  293k|   0     0 |1236  1279
  1   0  99   0   0   0|   0     0 |  11k  247k|   0     0 |1170  1283
  1   0  98   0   0   0|   0     0 |5676B  127k|   0     0 |1106  1317
  1   0  99   0   0   0|   0     0 |9570B  214k|   0     0 |1160  1298
  1   0  99   0   0   0|   0     0 |7656B  172k|   0     0 |1133  1339
  1   0  98   0   0   0|   0     0 |7194B  161k|   0     0 |1154  1303
  1   0  99   0   0   0|   0     0 |6864B  154k|   0     0 |1159  1341
  1   0  98   0   0   0|   0     0 |  16k  359k|   0     0 |1366  1405
  2   0  98   0   0   0|   0     0 |  11k  263k|   0     0 |1324  1369
  2   0  98   0   0   0|   0     0 |8250B  185k|   0     0 |1256  1390
  2   0  97   0   0   0|   0     0 |  11k  245k|   0     0 |1382  1369
  1   0  98   0   0   0|   0     0 |9570B  214k|   0     0 |1217  1362
  2   0  98   0   0   0|   0     0 |7722B  173k|   0     0 |1212  1330
  2   0  98   0   0   0|   0   184k|6270B  140k|   0     0 |1238  1322
  2   0  98   0   0   0|   0     0 |  12k  276k|   0     0 |1310  1331
  1   0  98   0   0   0|   0     0 |6996B  157k|   0     0 |1125  1309
  1   0  98   0   0   0|   0     0 |4554B  102k|   0     0 |1128  1299
  2   1  97   0   0   0|   0     0 |  14k  310k|   0     0 |1303  1336
  2   1  98   0   0   0|   0     0 |5940B  133k|   0     0 |1145  1316
  1   0  98   0   0   0|   0     0 |  13k  296k|   0     0 |1263  1346
  2   1  97   0   0   0|   0     0 |8778B  197k|   0     0 |1298  1361
  2   0  97   0   0   0|   0     0 |4092B   92k|   0     0 |1214  1336
  2   0  97   0   0   0|   0     0 |7458B  167k|   0     0 |1259  1349
  2   0  98   0   0   0|   0    56k|9438B  211k|   0     0 |1289  1328
  2   0  98   0   0   0|   0     0 |7326B  164k|   0     0 |1222  1353
  2   1  97   0   0   0|   0     0 |  10k  232k|   0     0 |1597  2734
  2   1  97   0   0   0|   0     0 |9372B  210k|   0     0 |1568  2169
  2   0  98   0   0   0|   0     0 |  10k  232k|   0     0 |1294  1385
  1   0  98   0   0   0|   0   160k|  12k  276k|   0     0 |1234  1323
  2   0  98   0   0   0|   0     0 |  15k  350k|   0     0 |1334  1333
  2   0  98   0   0   0|   0     0 |6930B  155k|   0     0 |1172  1356
  2   0  98   0   0   0|   0     0 |  10k  240k|   0     0 |1231  1288
  2   1  97   0   0   0|   0     0 |5082B  114k|   0     0 |1156  1323
  2   0  98   0   0   0|   0     0 |8316B  186k|   0     0 |1159  1307
  2   0  98   0   0   0|   0    48k|9042B  203k|   0     0 |1213  1339
  2   0  98   0   0   0|   0     0 |  10k  234k|   0     0 |1202  1304
  2   1  97   0   0   0|   0     0 |5874B  132k|   0     0 |1184  1339
  2   0  98   0   0   0|   0     0 |5676B  127k|   0     0 |1136  1324
  2   0  98   0   0   0|   0     0 |7788B  174k|   0     0 |1197  1316
....... cutted
</code>

== ''datat'' output on server after patched, with rxcso, 64k win ==
<code>
----total-cpu-usage---- -dsk/total- --net/eth0- ---paging-- ---system--
usr sys idl wai hiq siq| read  writ| recv  send|  in   out | int   csw
  2   1  97   0   0   0|   0     0 | 158k 3621k|   0     0 |3951  5610
  2   1  97   0   0   0|   0     0 | 288k 6596k|   0     0 |7099    14k
  3   1  95   0   0   1|   0     0 | 288k 6612k|   0     0 |7653    13k
  2   1  97   0   0   0|   0     0 | 290k 6658k|   0     0 |7464    13k
  3   1  94   1   0   1|   0  6400k| 287k 6590k|   0     0 |7527    11k
  3   1  95   0   0   0|   0     0 | 287k 6590k|   0     0 |7414    13k
  3   1  96   0   0   0|   0     0 | 291k 6673k|   0     0 |7250    13k
  2   1  97   0   0   1|   0     0 | 287k 6594k|   0     0 |7462    13k
  2   1  96   0   0   1|   0     0 | 288k 6599k|   0     0 |7379    14k
  2   1  96   0   0   1|   0     0 | 291k 6674k|   0     0 |7692    13k
  2   1  95   1   0   0|   0  9944k| 287k 6588k|   0     0 |7759    13k
  3   1  96   0   0   0|   0     0 | 288k 6599k|   0     0 |7546    14k
  2   1  96   0   0   1|   0     0 | 290k 6646k|   0     0 |7918    14k
  2   2  96   0   0   0|   0     0 | 287k 6591k|   0     0 |7799    13k
  2   1  96   0   0   1|   0     0 | 289k 6630k|   0     0 |8008    13k
  2   1  96   0   0   0|   0     0 | 290k 6641k|   0     0 |7917    12k
  2   1  95   1   0   0|   0   9.9M| 288k 6610k|   0     0 |7833    13k
  2   1  96   0   0   0|   0     0 | 287k 6591k|   0     0 |7401    13k
  2   1  96   0   0   0|   0     0 | 290k 6646k|   0     0 |7643    17k
  2   1  97   0   0   0|   0     0 | 287k 6593k|   0     0 |7346    14k
  2   1  96   0   0   0|   0     0 | 287k 6594k|   0     0 |7568    13k
  2   1  96   0   0   0|   0     0 | 290k 6643k|   0     0 |7557    14k
  2   1  94   1   0   0|   0  9944k| 288k 6602k|   0     0 |7620    13k
  2   1  96   0   0   1|   0     0 | 288k 6618k|   0     0 |7684    11k
  9   2  89   0   0   1|   0   160k| 290k 6646k|   0     0 |8222    15k
 11   1  86   0   0   1|   0     0 | 288k 6615k|   0     0 |8015    17k
  3   1  96   0   0   1|   0     0 | 288k 6600k|   0     0 |7735    14k
  2   1  96   0   0   0|   0     0 | 290k 6643k|   0     0 |7764    13k
  2   1  95   1   0   0|   0  9944k| 289k 6624k|   0     0 |7797    14k
  2   1  96   0   0   0|   0     0 | 288k 6602k|   0     0 |7818    13k
  2   1  96   0   0   1|   0     0 | 289k 6639k|   0     0 |7538    12k
  3   1  96   0   0   0|   0     0 | 289k 6622k|   0     0 |7679    12k
  2   1  96   0   0   1|   0     0 | 287k 6594k|   0     0 |7717    13k
  2   1  96   0   0   0|   0     0 | 290k 6646k|   0     0 |7829    13k
  2   2  95   1   0   1|   0   9.9M| 289k 6631k|   0     0 |7817    12k
  3   1  96   0   0   0|   0     0 | 286k 6568k|   0     0 |7462    15k
  2   1  96   0   0   0|   0     0 | 290k 6647k|   0     0 |7642    13k
  2   1  97   0   0   0|   0     0 | 289k 6636k|   0     0 |7438    12k
  2   1  96   0   0   0|   0     0 | 288k 6605k|   0     0 |7512    12k
  2   1  97   0   0   0|   0     0 | 289k 6628k|   0     0 |7858    12k
  2   1  95   2   0   0|   0  9824k| 290k 6641k|   0     0 |8045    13k
  2   1  96   0   0   0|   0     0 | 288k 6612k|   0     0 |8012    13k
  3   1  96   0   0   1|   0     0 | 288k 6602k|   0     0 |8187    14k
  2   1  96   0   0   1|   0     0 | 289k 6633k|   0     0 |8090    14k
  3   1  96   0   0   1|   0   112k| 288k 6609k|   0     0 |7856    12k
  2   1  96   0   0   0|   0     0 | 288k 6616k|   0     0 |7756    12k
  2   1  96   0   0   0|   0   9.9M| 290k 6646k|   0     0 |7723    14k
  2   1  96   0   0   0|   0     0 | 288k 6602k|   0     0 |7675    16k
  2   1  96   0   0   0|   0     0 | 289k 6637k|   0     0 |8029    16k
  2   1  96   0   0   1|   0    48k| 288k 6605k|   0     0 |7982    13k
  2   1  96   0   0   0|   0     0 | 288k 6606k|   0     0 |7786    13k
  2   1  96   0   0   1|   0     0 | 288k 6610k|   0     0 |7997    13k
  3   1  94   1   0   0|   0  9936k| 289k 6627k|   0     0 |8172    14k
  2   1  96   0   0   0|   0     0 | 288k 6615k|   0     0 |7745    13k
  3   1  96   0   0   1|   0     0 | 288k 6618k|   0     0 |7822    13k
  2   1  96   0   0   1|   0     0 | 290k 6647k|   0     0 |7730    11k
  2   1  96   0   0   1|   0     0 | 288k 6596k|   0     0 |7984    14k
  2   1  96   0   0   0|   0     0 | 290k 6643k|   0     0 |7811    12k
  2   1  95   1   0   1|   0  9952k| 287k 6588k|   0     0 |7804    16k
  2   1  96   0   0   0|   0   160k| 289k 6619k|   0     0 |7815    14k
  2   1  96   0   0   0|   0     0 | 288k 6615k|   0     0 |7986    13k
  2   1  96   0   0   1|   0     0 | 289k 6619k|   0     0 |7794    13k
  9   2  88   0   0   1|   0     0 | 289k 6637k|   0     0 |8206    16k
  2   1  96   0   0   0|   0     0 | 288k 6605k|   0     0 |7630    16k
  2   1  95   1   0   1|   0   9.8M| 290k 6647k|   0     0 |7812    13k
  3   1  96   0   0   0|   0     0 | 288k 6610k|   0     0 |7695    11k
  2   1  96   0   0   0|   0     0 | 288k 6596k|   0     0 |7512    11k
  2   1  97   0   0   0|   0     0 | 289k 6637k|   0     0 |7550    14k
  3   1  96   0   0   0|   0     0 | 288k 6606k|   0     0 |7742    13k
  2   1  96   0   0   0|   0     0 | 288k 6616k|   0     0 |7500    11k
  2   1  95   1   0   0|   0  9816k| 289k 6634k|   0     0 |7959    15k
  2   1  96   0   0   0|   0     0 | 288k 6610k|   0     0 |7950    15k
  2   1  96   0   0   0|   0     0 | 288k 6607k|   0     0 |7957    13k
  2   1  96   0   0   0|   0     0 | 288k 6612k|   0     0 |8087    14k
  2   1  96   0   0   0|   0     0 | 288k 6596k|   0     0 |8093    14k
  2   1  96   0   0   0|   0     0 | 288k 6599k|   0     0 |7924    13k
  2   1  95   1   0   0|   0  9960k| 288k 6596k|   0     0 |8067    15k
  2   1  96   0   0   1|   0     0 | 289k 6640k|   0     0 |7704    15k
  2   1  97   0   0   0|   0     0 | 288k 6613k|   0     0 |7633    13k
  2   1  96   0   0   0|   0     0 | 289k 6625k|   0     0 |7225    15k
  2   1  96   0   0   0|   0     0 | 289k 6624k|   0     0 |7557    15k
  2   1  96   0   0   1|   0     0 | 288k 6602k|   0     0 |7383    11k
  2   1  96   1   0   0|   0  9768k|  51k 1163k|   0     0 |2254  2980
</code>
Trace: • week2 • oremanj • week2 • alanshieh • gpxememlayout • windows_7_install_to_iscsi • week10 • week11 • weekb2 • week3 • project_plan • notes • dverkamp • qemupxeknife • 2009 • week6 • tftpd-hpa • journal • the_initramfs • derekpryor