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2026-08-27 - 13:33
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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 rackeslot3.osadl.org (updated Thu Aug 27, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2543411997639,35cyclictest2684266-21kworker/1:123:05:141
2543411996764,2cyclictest0-21swapper/100:27:391
2543411996744,22cyclictest2578232-21kworker/1:221:15:141
2543411996641,23cyclictest2564097-21kworker/1:020:20:171
2543411996543,21cyclictest2635309-21kworker/1:122:10:141
2543411996543,20cyclictest2687033-1kworker/1:1H23:24:521
2543411996446,17cyclictest2591476-21kworker/1:321:30:021
2543411996441,21cyclictest2578232-21kworker/1:221:00:141
2543411996343,19cyclictest2678087-21kworker/1:022:55:141
2543411996341,21cyclictest2760153-21kworker/1:000:30:001
2543411996335,26cyclictest2650740-21kworker/1:322:30:001
2543411996258,2cyclictest0-21swapper/122:52:511
2543411996244,17cyclictest2735925-21kworker/1:200:05:171
2543411996243,18cyclictest2625574-21kworker/1:122:00:411
2543411996243,18cyclictest2578232-21kworker/1:221:10:121
2543411996243,18cyclictest2572675-21kworker/1:120:40:151
2543411996243,18cyclictest2542386-21kworker/1:319:26:041
2543411996243,17cyclictest2578232-21kworker/1:221:05:151
2543411996242,18cyclictest2760153-21kworker/1:000:35:331
2543411996242,18cyclictest2640051-21kworker/1:022:15:011
2543411996242,18cyclictest2601224-21kworker/1:021:35:151
2543411996155,4cyclictest0-21swapper/100:10:131
2543411996142,18cyclictest2731074-21kworker/1:123:55:051
2543411996142,18cyclictest2699293-21kworker/1:123:31:141
2543411996142,18cyclictest2546857-21kworker/1:019:24:551
2543411996142,18cyclictest140030-1kworker/1:0H21:25:481
2543411996142,17cyclictest2694507-21kworker/1:023:15:371
2543411996142,17cyclictest2666540-21kworker/1:022:45:111
2543411996142,17cyclictest2620738-21kworker/1:222:05:591
2543411996142,17cyclictest2556383-21kworker/1:019:50:221
2543411996141,18cyclictest2735925-21kworker/1:200:00:151
2543411996141,18cyclictest2684266-21kworker/1:123:10:121
2543411996141,18cyclictest2569231-21kworker/1:320:35:141
2543411996141,18cyclictest2542386-21kworker/1:319:35:131
2543411996140,19cyclictest2745677-21kworker/1:100:15:151
2543411996140,19cyclictest2745677-21kworker/1:100:15:151
2543411996140,19cyclictest2650740-21kworker/1:322:29:521
2543411996042,17cyclictest2731074-21kworker/1:123:53:471
2543411996042,17cyclictest2606043-21kworker/1:121:40:141
2543411996041,18cyclictest2640051-21kworker/1:022:20:151
2543411996041,17cyclictest2684266-21kworker/1:123:03:481
2543411996041,17cyclictest2559462-21kworker/1:220:07:211
2543411996040,18cyclictest2570771-21kworker/1:020:45:131
2543411996040,18cyclictest2559462-21kworker/1:220:00:021
2543411996039,19cyclictest2576691-21kworker/1:120:58:211
2543411996039,19cyclictest2564145-21kworker/1:320:15:001
2543411996039,19cyclictest2542386-21kworker/1:319:34:551
2543411996038,20cyclictest2584644-21kworker/1:021:20:151
2543411996037,21cyclictest2542386-21kworker/1:319:45:011
2543411995939,18cyclictest2755299-21kworker/1:200:20:171
2543411995939,18cyclictest2699293-21kworker/1:123:40:201
2543411995939,18cyclictest2570771-21kworker/1:020:50:141
2543411995938,19cyclictest2542386-21kworker/1:319:17:061
2543411995937,20cyclictest2699293-21kworker/1:123:25:121
2543411995937,20cyclictest2559462-21kworker/1:220:10:141
2543411995937,20cyclictest2557921-21kworker/1:119:55:371
2543411995935,21cyclictest2656594-21kworker/1:022:35:151
254341199591,2cyclictest0-21swapper/119:13:461
2543411995838,18cyclictest2616001-21kworker/1:021:57:221
2543411995838,18cyclictest2611194-21kworker/1:221:45:011
2543411995837,19cyclictest2699293-21kworker/1:123:35:141
2543411995837,19cyclictest2568723-21kworker/1:220:30:061
2543411995837,19cyclictest2542386-21kworker/1:319:40:171
2543411995836,20cyclictest2606043-21kworker/1:121:50:131
2543411995835,21cyclictest2564097-21kworker/1:020:30:011
2543411995737,18cyclictest2726279-21kworker/1:223:48:211
2543411995634,20cyclictest2650740-21kworker/1:322:40:111
2543411995634,20cyclictest2650740-21kworker/1:322:40:111
2543407995551,3cyclictest3298066-1kworker/0:1H22:55:280
2543407995550,3cyclictest3298066-1kworker/0:1H20:15:010
2543421995449,3cyclictest2568809-21kworker/3:022:01:293
2543407995450,2cyclictest3298066-1kworker/0:1H21:20:150
2543407995442,2cyclictest3298066-1kworker/0:1H00:01:270
2543421995350,2cyclictest2568809-21kworker/3:022:35:313
2543407995349,3cyclictest3298066-1kworker/0:1H21:17:060
2543421995248,3cyclictest2568809-21kworker/3:023:04:213
2543421995248,2cyclictest2568809-21kworker/3:021:23:213
2543421995247,3cyclictest3299579-1kworker/3:0H21:12:203
2543414995248,3cyclictest2676362-21kworker/2:223:10:422
2543414995248,3cyclictest2656640-21kworker/2:222:31:342
2543414995248,2cyclictest2570512-21kworker/2:120:39:202
2543414995247,3cyclictest3267504-1kworker/2:1H19:55:222
2543414995247,3cyclictest2573616-21kworker/2:020:46:132
2543421995148,2cyclictest2568809-21kworker/3:022:55:323
2543421995146,3cyclictest2723745-21kworker/3:223:45:483
2543414995148,2cyclictest2544818-21kworker/2:019:18:212
2543414995146,3cyclictest2581335-21kworker/2:021:10:562
2543407995146,3cyclictest3298066-1kworker/0:1H21:46:260
2543407995146,3cyclictest3298066-1kworker/0:1H21:30:000
2543421995046,3cyclictest2568809-21kworker/3:022:50:243
2543421995044,4cyclictest3299579-1kworker/3:0H23:20:113
2543414995047,2cyclictest2559458-21kworker/2:220:00:312
2543414995047,2cyclictest2548675-21kworker/2:119:25:102
2543414995046,2cyclictest2611210-21kworker/2:221:47:202
2543414995045,3cyclictest3267504-1kworker/2:1H21:40:142
2543407995047,2cyclictest2648767-21kworker/0:222:30:310
2543407995046,2cyclictest3298066-1kworker/0:1H00:35:160
2543407995046,2cyclictest2554841-21kworker/0:219:47:460
2543421994946,2cyclictest2753784-21kworker/3:100:31:273
2543421994944,3cyclictest2550271-21kworker/3:019:37:563
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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