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2026-06-13 - 20:00

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #1, 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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  Intel
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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack1slot6s.osadl.org (updated Sat Jun 13, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21475991023,91cyclictest0-21swapper/010:22:220
21475991023,91cyclictest0-21swapper/010:22:220
21475991006,72cyclictest0-21swapper/011:55:330
277562970,4sleep2281ktimersoftd/209:14:402
21478999741,13cyclictest0-21swapper/207:40:422
21478999741,13cyclictest0-21swapper/207:40:422
2147599965,75cyclictest0-21swapper/008:59:490
2147599964,85cyclictest0-21swapper/010:30:520
2147599954,83cyclictest0-21swapper/009:35:460
2147599954,71cyclictest0-21swapper/010:05:310
2147599946,56cyclictest0-21swapper/009:25:360
2147599944,82cyclictest0-21swapper/007:15:590
2147599943,84cyclictest0-21swapper/012:20:020
2147599934,80cyclictest0-21swapper/009:04:520
2147599934,80cyclictest0-21swapper/009:04:520
21478999225,30cyclictest9417-21latency_hist08:45:222
2147599924,81cyclictest0-21swapper/010:25:520
2147599924,81cyclictest0-21swapper/010:25:520
2147599924,81cyclictest0-21swapper/010:10:340
2147599924,71cyclictest0-21swapper/010:54:170
2147599923,82cyclictest0-21swapper/011:20:520
21479999126,58cyclictest2192-21crond11:00:163
2147599918,67cyclictest0-21swapper/010:35:410
2147599914,79cyclictest0-21swapper/011:35:310
2147599905,77cyclictest0-21swapper/010:44:310
2147599905,69cyclictest0-21swapper/009:08:080
2147599905,69cyclictest0-21swapper/009:08:080
2147599905,64cyclictest0-21swapper/009:40:420
2147599904,79cyclictest0-21swapper/011:32:020
2147599904,79cyclictest0-21swapper/011:25:440
2147599904,79cyclictest0-21swapper/009:50:310
2147599904,79cyclictest0-21swapper/009:10:360
2147599904,79cyclictest0-21swapper/006:55:370
2147599904,79cyclictest0-21swapper/006:55:370
2147599904,64cyclictest0-21swapper/010:59:590
2147599904,62cyclictest0-21swapper/007:10:530
219499890,4rtkit-daemon2193-21rtkit-daemon09:15:500
21479998931,50cyclictest11189-21aten_r1power_fr10:25:313
21479998931,50cyclictest11189-21aten_r1power_fr10:25:313
2147999893,35cyclictest0-21swapper/311:20:493
2147599894,78cyclictest0-21swapper/012:22:080
2147599894,77cyclictest0-21swapper/012:00:310
2147599894,77cyclictest0-21swapper/011:40:420
2147599894,77cyclictest0-21swapper/008:25:410
2147599894,72cyclictest0-21swapper/007:20:570
2147599894,67cyclictest0-21swapper/011:08:190
2147599894,62cyclictest0-21swapper/008:40:530
2147599894,60cyclictest0-21swapper/012:12:270
21479998817,12cyclictest0-21swapper/311:40:493
2147599885,72cyclictest0-21swapper/009:45:370
2147599885,72cyclictest0-21swapper/009:45:370
2147599884,77cyclictest0-21swapper/012:07:450
2147599884,76cyclictest0-21swapper/011:51:460
2147599884,72cyclictest0-21swapper/009:55:430
2147599884,68cyclictest0-21swapper/011:13:480
2147599884,66cyclictest0-21swapper/010:00:460
2147599884,61cyclictest0-21swapper/011:18:180
2147599884,58cyclictest0-21swapper/009:20:440
219499870,5rtkit-daemon2193-21rtkit-daemon08:57:201
21479998731,49cyclictest12208-21aten_r1power_vo08:50:363
2147999873,30cyclictest16090-21sa109:45:193
2147599874,75cyclictest0-21swapper/011:45:290
2147599874,58cyclictest0-21swapper/009:31:360
2147599873,50cyclictest0-21swapper/008:30:450
21475998711,52cyclictest4848-21ssh10:15:330
21479998635,44cyclictest18691-21gltestperf10:35:373
2147999863,29cyclictest19346-21munin-node12:10:483
21479998613,7cyclictest107550irq/46-eth011:46:303
2147599866,64cyclictest0-21swapper/008:15:410
2147599864,74cyclictest0-21swapper/007:25:570
2147599864,64cyclictest0-21swapper/011:00:330
2147599864,64cyclictest0-21swapper/011:00:330
219499850,5rtkit-daemon2193-21rtkit-daemon09:33:041
219499850,5rtkit-daemon2193-21rtkit-daemon07:28:461
2147999854,30cyclictest0-21swapper/309:45:313
2147999854,30cyclictest0-21swapper/309:45:313
2147999853,32cyclictest0-21swapper/309:50:533
2147999853,31cyclictest0-21swapper/310:48:103
2147999853,30cyclictest0-21swapper/310:00:003
2147999853,23cyclictest0-21swapper/310:15:363
21479998522,11cyclictest22575-21ntpdc09:05:483
21479998522,11cyclictest22575-21ntpdc09:05:483
2147599859,62cyclictest24791-21kworker/0:210:45:300
2147599855,51cyclictest0-21swapper/007:35:400
2147599854,74cyclictest0-21swapper/007:05:270
2147599853,75cyclictest0-21swapper/008:49:430
2147599853,63cyclictest0-21swapper/008:50:360
2147999844,34cyclictest0-21swapper/312:05:293
21479998434,42cyclictest4939-21needreboot07:25:503
2147999843,27cyclictest22473-21latency_hist11:30:163
2147599844,69cyclictest0-21swapper/007:55:450
2147999834,30cyclictest0-21swapper/306:58:363
2147999834,30cyclictest0-21swapper/306:58:363
2147999834,20cyclictest17257-21ssh10:34:073
2147999833,29cyclictest29580-21sh10:05:183
2147999833,21cyclictest0-21swapper/311:35:373
2147999833,13cyclictest0-21swapper/311:50:383
21479998324,9cyclictest25601-21gltestperf09:10:413
21479998320,13cyclictest0-21swapper/309:35:093
2147599835,70cyclictest0-21swapper/007:50:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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