4.5 KiB
4.5 KiB
AIX Disk I/O Perfstat Test Code
Test code for investigating wierd constant read stats on AIX.
Example from PowerVS AIX 7.3
# ./aix-disk-perfstat 2
Sat Nov 12 14:29:28 2022 - hdisk0 => reads: [ blocks: 41710376 ( 0 ), bytes: 4175843328 ( 0 ) ], writes: [ blocks: 52579577 ( 0 ), bytes: 1150939648 ( 0 ) ]
Sat Nov 12 14:29:30 2022 - hdisk0 => reads: [ blocks: 41710376 ( 0 ), bytes: 4175843328 ( 0 ) ], writes: [ blocks: 52579577 ( 0 ), bytes: 1150939648 ( 0 ) ]
Sat Nov 12 14:29:32 2022 - hdisk0 => reads: [ blocks: 41710376 ( 0 ), bytes: 4175843328 ( 0 ) ], writes: [ blocks: 52580401 ( 824 ), bytes: 1151361536 ( 421888 ) ]
Sat Nov 12 14:29:34 2022 - hdisk0 => reads: [ blocks: 41714586 ( 4210 ), bytes: 4177998848 ( 2155520 ) ], writes: [ blocks: 52580473 ( 72 ), bytes: 1151398400 ( 36864 ) ]
Sat Nov 12 14:29:36 2022 - hdisk0 => reads: [ blocks: 41714586 ( 0 ), bytes: 4177998848 ( 0 ) ], writes: [ blocks: 52580473 ( 0 ), bytes: 1151398400 ( 0 ) ]
Sat Nov 12 14:29:38 2022 - hdisk0 => reads: [ blocks: 41714586 ( 0 ), bytes: 4177998848 ( 0 ) ], writes: [ blocks: 52580473 ( 0 ), bytes: 1151398400 ( 0 ) ]
Sat Nov 12 14:29:40 2022 - hdisk0 => reads: [ blocks: 41714586 ( 0 ), bytes: 4177998848 ( 0 ) ], writes: [ blocks: 52580473 ( 0 ), bytes: 1151398400 ( 0 ) ]
Sat Nov 12 14:29:42 2022 - hdisk0 => reads: [ blocks: 41714586 ( 0 ), bytes: 4177998848 ( 0 ) ], writes: [ blocks: 52580473 ( 0 ), bytes: 1151398400 ( 0 ) ]
Sat Nov 12 14:29:44 2022 - hdisk0 => reads: [ blocks: 41718796 ( 4210 ), bytes: 4180154368 ( 2155520 ) ], writes: [ blocks: 52580553 ( 80 ), bytes: 1151439360 ( 40960 ) ]
Sat Nov 12 14:29:46 2022 - hdisk0 => reads: [ blocks: 41718796 ( 0 ), bytes: 4180154368 ( 0 ) ], writes: [ blocks: 52580553 ( 0 ), bytes: 1151439360 ( 0 ) ]
Sat Nov 12 14:29:48 2022 - hdisk0 => reads: [ blocks: 41718796 ( 0 ), bytes: 4180154368 ( 0 ) ], writes: [ blocks: 52580553 ( 0 ), bytes: 1151439360 ( 0 ) ]
Sat Nov 12 14:29:50 2022 - hdisk0 => reads: [ blocks: 41718796 ( 0 ), bytes: 4180154368 ( 0 ) ], writes: [ blocks: 52580553 ( 0 ), bytes: 1151439360 ( 0 ) ]
Sat Nov 12 14:29:52 2022 - hdisk0 => reads: [ blocks: 41718796 ( 0 ), bytes: 4180154368 ( 0 ) ], writes: [ blocks: 52580553 ( 0 ), bytes: 1151439360 ( 0 ) ]
Sat Nov 12 14:29:54 2022 - hdisk0 => reads: [ blocks: 41723006 ( 4210 ), bytes: 4182309888 ( 2155520 ) ], writes: [ blocks: 52580625 ( 72 ), bytes: 1151476224 ( 36864 ) ]
Sat Nov 12 14:29:56 2022 - hdisk0 => reads: [ blocks: 41723006 ( 0 ), bytes: 4182309888 ( 0 ) ], writes: [ blocks: 52580625 ( 0 ), bytes: 1151476224 ( 0 ) ]
Sat Nov 12 14:29:58 2022 - hdisk0 => reads: [ blocks: 41723006 ( 0 ), bytes: 4182309888 ( 0 ) ], writes: [ blocks: 52580625 ( 0 ), bytes: 1151476224 ( 0 ) ]
Sat Nov 12 14:30:00 2022 - hdisk0 => reads: [ blocks: 41723006 ( 0 ), bytes: 4182309888 ( 0 ) ], writes: [ blocks: 52580625 ( 0 ), bytes: 1151476224 ( 0 ) ]
Sat Nov 12 14:30:02 2022 - hdisk0 => reads: [ blocks: 41723006 ( 0 ), bytes: 4182309888 ( 0 ) ], writes: [ blocks: 52580657 ( 32 ), bytes: 1151492608 ( 16384 ) ]
Sat Nov 12 14:30:04 2022 - hdisk0 => reads: [ blocks: 41727216 ( 4210 ), bytes: 4184465408 ( 2155520 ) ], writes: [ blocks: 52580737 ( 80 ), bytes: 1151533568 ( 40960 ) ]
Sat Nov 12 14:30:06 2022 - hdisk0 => reads: [ blocks: 41727216 ( 0 ), bytes: 4184465408 ( 0 ) ], writes: [ blocks: 52580737 ( 0 ), bytes: 1151533568 ( 0 ) ]
Sat Nov 12 14:30:08 2022 - hdisk0 => reads: [ blocks: 41727216 ( 0 ), bytes: 4184465408 ( 0 ) ], writes: [ blocks: 52580737 ( 0 ), bytes: 1151533568 ( 0 ) ]
Sat Nov 12 14:30:10 2022 - hdisk0 => reads: [ blocks: 41727216 ( 0 ), bytes: 4184465408 ( 0 ) ], writes: [ blocks: 52580737 ( 0 ), bytes: 1151533568 ( 0 ) ]
Sat Nov 12 14:30:12 2022 - hdisk0 => reads: [ blocks: 41727216 ( 0 ), bytes: 4184465408 ( 0 ) ], writes: [ blocks: 52580737 ( 0 ), bytes: 1151533568 ( 0 ) ]
Sat Nov 12 14:30:14 2022 - hdisk0 => reads: [ blocks: 41731426 ( 4210 ), bytes: 4186620928 ( 2155520 ) ], writes: [ blocks: 52580849 ( 112 ), bytes: 1151590912 ( 57344 ) ]