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2026-05-01 - 15:54

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 Fri May 01, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2485991440,6rtkit-daemon0-21swapper/208:25:303
3048121150,4sleep130479-21grep06:19:241
3048121150,4sleep130479-21grep06:19:241
23518991096,27cyclictest0-21swapper/109:04:171
23518991096,27cyclictest0-21swapper/109:04:171
23519991027,38cyclictest0-21swapper/207:44:342
2485991000,6rtkit-daemon0-21swapper/109:44:351
2485991000,6rtkit-daemon0-21swapper/109:44:351
248599980,6rtkit-daemon0-21swapper/109:29:501
23518999840,14cyclictest0-21swapper/108:44:401
2352099974,70cyclictest0-21swapper/309:02:513
248599960,4rtkit-daemon1247-21lldpd05:34:442
248599960,4rtkit-daemon1247-21lldpd05:34:442
23518999639,13cyclictest0-21swapper/107:29:331
248599950,8rtkit-daemon0-21swapper/207:58:012
2352099946,64cyclictest0-21swapper/305:58:573
2351499934,12cyclictest0-21swapper/010:24:190
2351499933,83cyclictest0-21swapper/009:14:130
248599920,5rtkit-daemon12165-21nscd10:04:262
2352099926,18cyclictest0-21swapper/308:34:253
2352099925,67cyclictest0-21swapper/309:09:263
23520999212,9cyclictest15089-21munin-node07:44:313
23520999212,7cyclictest0-21swapper/307:49:363
2351499924,13cyclictest0-21swapper/008:44:340
2352099914,72cyclictest0-21swapper/307:55:123
2352099913,15cyclictest0-21swapper/308:14:133
2351499914,67cyclictest0-21swapper/008:24:330
2352099905,63cyclictest0-21swapper/310:02:043
2352099903,72cyclictest0-21swapper/308:07:283
2351499905,13cyclictest0-21swapper/009:48:580
2351499905,13cyclictest0-21swapper/009:48:580
2351499904,13cyclictest0-21swapper/007:04:260
2351499904,12cyclictest0-21swapper/007:49:290
2352099893,69cyclictest0-21swapper/307:04:183
2351499894,13cyclictest0-21swapper/009:59:210
2351499894,12cyclictest0-21swapper/009:35:180
2352099885,67cyclictest0-21swapper/307:39:043
2352099884,69cyclictest0-21swapper/309:07:363
2352099884,69cyclictest0-21swapper/309:07:363
2352099884,16cyclictest0-21swapper/310:25:503
2352099884,15cyclictest0-21swapper/309:49:233
2352099883,67cyclictest0-21swapper/309:25:323
2352099883,64cyclictest0-21swapper/307:42:433
2352099883,64cyclictest0-21swapper/307:42:433
23520998817,54cyclictest121850irq/46-eth009:44:293
23520998817,54cyclictest121850irq/46-eth009:44:293
23520998812,9cyclictest25002-21rm08:44:353
2351499889,10cyclictest0-21swapper/005:39:180
2351499885,12cyclictest0-21swapper/008:59:550
2351499884,13cyclictest0-21swapper/007:14:000
2352099874,14cyclictest0-21swapper/309:19:113
2352099873,77cyclictest6767-21cut08:19:143
2352099873,77cyclictest6767-21cut08:19:143
2351499874,13cyclictest0-21swapper/009:09:290
2351499873,14cyclictest0-21swapper/006:44:220
2351499873,12cyclictest0-21swapper/009:31:190
2351499873,12cyclictest0-21swapper/006:39:220
23514998715,53cyclictest0-21swapper/007:20:090
2352099864,72cyclictest0-21swapper/308:09:153
2352099864,62cyclictest1784-21crond06:29:063
2352099864,62cyclictest0-21swapper/308:55:223
2352099864,14cyclictest0-21swapper/307:26:593
2352099863,65cyclictest0-21swapper/307:19:213
2351499864,64cyclictest0-21swapper/008:34:160
2351499864,14cyclictest0-21swapper/009:04:290
2351499864,14cyclictest0-21swapper/009:04:290
2351499864,13cyclictest0-21swapper/010:19:240
2351499864,13cyclictest0-21swapper/008:50:250
2351499864,12cyclictest0-21swapper/006:59:180
2351499864,12cyclictest0-21swapper/006:59:180
2351499864,12cyclictest0-21swapper/006:14:150
2351499863,77cyclictest0-21swapper/010:07:210
2351499863,12cyclictest0-21swapper/007:34:270
23514998623,44cyclictest12005-21rm07:39:140
23514998623,44cyclictest12005-21rm07:39:140
2352099854,71cyclictest0-21swapper/305:14:323
2352099854,65cyclictest0-21swapper/308:02:003
2352099854,60cyclictest0-21swapper/310:06:583
2352099854,17cyclictest0-21swapper/310:20:013
2352099854,14cyclictest0-21swapper/310:16:333
2352099853,60cyclictest0-21swapper/308:29:323
2351899854,36cyclictest0-21swapper/108:09:031
2351499856,13cyclictest0-21swapper/007:54:180
2351499854,13cyclictest0-21swapper/010:09:190
2351499854,13cyclictest0-21swapper/008:19:220
2351499854,13cyclictest0-21swapper/008:19:220
2351499854,12cyclictest0-21swapper/008:41:080
2351499854,11cyclictest0-21swapper/009:19:090
2351499853,74cyclictest0-21swapper/008:09:300
23514998524,52cyclictest0-21swapper/009:51:130
2352099844,65cyclictest0-21swapper/309:55:203
2352099844,64cyclictest0-21swapper/308:40:013
2352099844,64cyclictest0-21swapper/305:03:153
2352099844,14cyclictest0-21swapper/309:29:153
2352099843,62cyclictest0-21swapper/307:29:203
23520998416,50cyclictest0-21swapper/309:41:233
2351499844,13cyclictest0-21swapper/008:05:540
2351499844,13cyclictest0-21swapper/007:29:250
2351499844,13cyclictest0-21swapper/007:14:350
2351499844,12cyclictest0-21swapper/008:34:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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