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Mark Nellemann 2022-11-11 11:52:49 +01:00
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# AIX Disk I/O Perfstat Test Code
Test code for [investigating](https://github.com/oshi/oshi/issues/2239) *wierd* constant read stats on AIX.
Example from PowerVS AIX 7.3
```
# ./test
hdisk0 => reads [ blocks: 1207502, bytes 618241024, diff 0 ], writes [ blocks: 93033, bytes: 47632896, diff: 0 ]
hdisk0 => reads [ blocks: 1211712, bytes 620396544, diff 2155520 ], writes [ blocks: 93105, bytes: 47669760, diff: 36864 ]
hdisk0 => reads [ blocks: 1215922, bytes 622552064, diff 2155520 ], writes [ blocks: 93185, bytes: 47710720, diff: 40960 ]
hdisk0 => reads [ blocks: 1220132, bytes 624707584, diff 2155520 ], writes [ blocks: 93625, bytes: 47936000, diff: 225280 ]
hdisk0 => reads [ blocks: 1224342, bytes 626863104, diff 2155520 ], writes [ blocks: 93697, bytes: 47972864, diff: 36864 ]
hdisk0 => reads [ blocks: 1228560, bytes 629022720, diff 2159616 ], writes [ blocks: 93777, bytes: 48013824, diff: 40960 ]
hdisk0 => reads [ blocks: 1232770, bytes 631178240, diff 2155520 ], writes [ blocks: 93849, bytes: 48050688, diff: 36864 ]
hdisk0 => reads [ blocks: 1236980, bytes 633333760, diff 2155520 ], writes [ blocks: 93921, bytes: 48087552, diff: 36864 ]
```