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2025-12-04 - 14:27

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #6

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack0slot6s.osadl.org (updated Thu Dec 04, 2025 00:46:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37317762245229,10sleep190-21swapper/1919:09:4811
373144428469,9sleep120-21swapper/1219:06:014
373217799755,28cyclictest0-21swapper/1000:06:182
38895882660,0sleep170-21swapper/1722:13:009
373166925955,2sleep160-21swapper/1619:08:248
373154325850,5sleep30-21swapper/319:07:1213
373142425651,3sleep130-21swapper/1319:05:425
373160925548,4sleep40-21swapper/419:07:5214
373148524841,4sleep20-21swapper/219:06:3112
373175224740,4sleep10-21swapper/119:09:291
373166824743,2sleep150-21swapper/1519:08:237
373148924741,3sleep60-21swapper/619:06:3416
373147124740,4sleep100-21swapper/1019:06:182
373159924639,4sleep180-21swapper/1819:07:4610
373217599456,37cyclictest0-21swapper/920:51:1719
373147024536,6sleep90-21swapper/919:06:1819
373146624540,3sleep50-21swapper/519:06:1315
373141624539,4sleep80-21swapper/819:05:3718
373173624337,4sleep70-21swapper/719:09:1517
373142824235,4sleep170-21swapper/1719:05:459
373162824133,5sleep140-21swapper/1419:08:026
373155124134,4sleep110-21swapper/1119:07:203
3732185993532,3cyclictest205950irq/149-eno122:41:394
3732185993532,2cyclictest205950irq/149-eno122:04:514
3732185993531,3cyclictest205950irq/149-eno122:55:194
3732185993525,0cyclictest205950irq/149-eno121:39:144
373154023527,5sleep00-21swapper/019:07:080
373219199340,33cyclictest0-21swapper/1400:30:146
3732185993432,2cyclictest205950irq/149-eno120:16:484
3732185993427,6cyclictest205950irq/149-eno119:12:594
373214999340,33cyclictest3885380-40tracker-miner-f22:08:4012
373214999340,33cyclictest0-21swapper/223:50:0212
373214999340,33cyclictest0-21swapper/219:45:2112
3732185993332,1cyclictest205950irq/149-eno123:37:224
3732185993332,1cyclictest205950irq/149-eno123:21:244
3732185993332,1cyclictest205950irq/149-eno123:18:284
3732185993332,1cyclictest205950irq/149-eno123:06:524
3732185993332,1cyclictest205950irq/149-eno122:21:264
3732185993332,1cyclictest205950irq/149-eno122:16:024
3732185993332,1cyclictest205950irq/149-eno122:08:514
3732185993332,1cyclictest205950irq/149-eno121:57:424
3732185993332,1cyclictest205950irq/149-eno121:57:414
3732185993332,1cyclictest205950irq/149-eno121:49:204
3732185993332,1cyclictest205950irq/149-eno121:12:594
3732185993332,1cyclictest205950irq/149-eno120:58:514
3732185993332,1cyclictest205950irq/149-eno120:29:464
3732185993332,1cyclictest205950irq/149-eno120:22:284
3732185993332,1cyclictest205950irq/149-eno120:02:294
3732185993332,1cyclictest205950irq/149-eno119:53:384
3732185993332,1cyclictest205950irq/149-eno119:39:394
3732185993332,1cyclictest205950irq/149-eno119:30:284
3732185993332,1cyclictest205950irq/149-eno119:16:364
3732185993332,1cyclictest205950irq/149-eno100:22:294
3732185993331,2cyclictest205950irq/149-eno122:30:174
3732185993331,2cyclictest205950irq/149-eno119:47:384
3732185993331,1cyclictest205950irq/149-eno119:55:454
3732185993330,3cyclictest205950irq/149-eno100:32:424
3732185993330,2cyclictest205950irq/149-eno120:43:224
3732185993330,2cyclictest205950irq/149-eno100:02:124
3732185993326,6cyclictest205950irq/149-eno123:57:184
3732149993333,0cyclictest0-21swapper/200:38:0012
373214999330,33cyclictest3775429-40tracker-miner-f19:57:1212
373214999330,33cyclictest0-21swapper/222:39:4612
373214999330,33cyclictest0-21swapper/222:25:2312
373214999330,33cyclictest0-21swapper/221:24:1912
373214999330,33cyclictest0-21swapper/220:42:4312
373214999330,33cyclictest0-21swapper/220:37:2712
373214999330,33cyclictest0-21swapper/219:38:5912
373214999330,33cyclictest0-21swapper/219:27:2712
373214999330,32cyclictest0-21swapper/222:02:1612
373214999330,32cyclictest0-21swapper/221:57:5212
373214999330,32cyclictest0-21swapper/221:57:5112
373214999330,32cyclictest0-21swapper/220:45:0312
373214999330,32cyclictest0-21swapper/220:27:0712
373214999330,32cyclictest0-21swapper/220:18:2512
373214999330,32cyclictest0-21swapper/200:29:5612
3732191993232,0cyclictest0-21swapper/1420:47:236
3732191993228,4cyclictest0-21swapper/1421:23:416
3732185993232,0cyclictest205950irq/149-eno121:05:454
3732185993232,0cyclictest205950irq/149-eno120:11:034
3732185993231,1cyclictest205950irq/149-eno123:11:124
3732185993231,1cyclictest205950irq/149-eno123:03:504
3732185993231,1cyclictest205950irq/149-eno122:46:264
3732185993231,1cyclictest205950irq/149-eno122:35:144
3732185993231,1cyclictest205950irq/149-eno122:25:144
3732185993231,1cyclictest205950irq/149-eno122:11:214
3732185993231,1cyclictest205950irq/149-eno121:31:294
3732185993231,1cyclictest205950irq/149-eno121:21:104
3732185993231,1cyclictest205950irq/149-eno121:18:314
3732185993231,1cyclictest205950irq/149-eno120:45:114
3732185993231,1cyclictest205950irq/149-eno120:35:174
3732185993231,1cyclictest205950irq/149-eno120:05:514
3732185993231,1cyclictest205950irq/149-eno119:42:464
3732185993231,1cyclictest205950irq/149-eno100:08:104
3732185993230,2cyclictest205950irq/149-eno123:30:314
3732185993230,2cyclictest205950irq/149-eno122:50:434
3732185993229,2cyclictest205950irq/149-eno121:03:544
3732156993231,1cyclictest3982561-21ssh00:03:0014
3732149993232,0cyclictest0-21swapper/221:30:1512
3732149993232,0cyclictest0-21swapper/200:23:0712
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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