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2026-03-20 - 15:31
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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
Characteristics of the 376 highest latencies:
System rack6slot5.osadl.org (updated Fri Mar 20, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3232399106435421,5211cyclictest23277-21kworker/0:011:17:390
3232399103145258,5045cyclictest31420-21kworker/0:009:52:180
323239998745228,4642cyclictest21843-21kworker/0:007:39:320
323239998535216,4633cyclictest18115-21kworker/0:107:56:530
323239998395203,4625cyclictest18115-21kworker/0:109:21:460
323239996785025,4642cyclictest18115-21kworker/0:109:10:360
323239993004655,4634cyclictest18115-21kworker/0:108:18:450
323239992074807,4396cyclictest21843-21kworker/0:007:27:490
323239991964803,4389cyclictest21843-21kworker/0:007:52:350
323239991694786,4372cyclictest21843-21kworker/0:007:20:050
323239990944645,4438cyclictest18115-21kworker/0:109:39:380
323239990584785,4221cyclictest24134-21kworker/0:012:03:290
323239990264613,4402cyclictest18115-21kworker/0:108:51:100
323239989714584,4376cyclictest18115-21kworker/0:109:05:460
323239989154453,4447cyclictest9136-21kworker/0:012:12:440
323239989014826,4061cyclictest31420-21kworker/0:009:46:210
323239988894649,4235cyclictest21843-21kworker/0:007:44:000
323239987894499,4279cyclictest18115-21kworker/0:108:46:260
323239987854336,4397cyclictest12011-21kworker/0:212:18:140
323239987814373,4384cyclictest23277-21kworker/0:010:50:510
323239987674488,4268cyclictest24134-21kworker/0:011:58:330
323239987314552,4168cyclictest24134-21kworker/0:011:38:330
323239986394421,4207cyclictest18115-21kworker/0:108:05:170
323239985724253,4276cyclictest18115-21kworker/0:108:12:390
323239984734313,4146cyclictest24134-21kworker/0:011:45:220
323239981464430,3664cyclictest15949-21kworker/0:111:22:140
323239981194305,3763cyclictest18115-21kworker/0:109:26:120
323239980174249,3707cyclictest12011-21kworker/0:212:39:400
323239980174149,3808cyclictest23277-21kworker/0:010:56:060
323239979154354,3546cyclictest23277-21kworker/0:011:10:550
323239978754138,3726cyclictest21843-21kworker/0:007:31:410
323239977654143,3599cyclictest17416-21kworker/0:210:18:430
323239977463923,3779cyclictest18115-21kworker/0:108:26:240
323239974934092,3350cyclictest31420-21kworker/0:009:56:420
323239974784087,3340cyclictest15949-21kworker/0:111:29:400
323239974673979,3436cyclictest24134-21kworker/0:011:50:070
323239974513970,3430cyclictest18115-21kworker/0:108:59:230
323239973343707,3567cyclictest21843-21kworker/0:007:46:410
323239973283906,3371cyclictest23277-21kworker/0:011:02:240
323239973023801,3449cyclictest24134-21kworker/0:011:43:220
323239972053848,3297cyclictest7846-21kworker/0:110:02:310
323239972043669,3511cyclictest15949-21kworker/0:111:32:030
323239971593529,3587cyclictest7846-21kworker/0:110:08:130
323239971403758,3371cyclictest6368-21kworker/0:212:05:040
323239971343538,3553cyclictest18115-21kworker/0:109:04:080
323239971123858,3242cyclictest18115-21kworker/0:108:01:040
323239970743836,3227cyclictest18115-21kworker/0:109:15:490
323239968643580,3241cyclictest12011-21kworker/0:212:24:360
323239968093387,3407cyclictest18115-21kworker/0:108:31:080
323239967883597,3180cyclictest17416-21kworker/0:210:25:210
323239967383553,3174cyclictest23277-21kworker/0:010:31:260
323239966833589,3080cyclictest21843-21kworker/0:007:18:070
323239966583301,3307cyclictest18115-21kworker/0:108:21:490
323239966053562,3029cyclictest17416-21kworker/0:210:23:460
323239964253549,2861cyclictest18115-21kworker/0:109:43:530
323239964213457,2913cyclictest23277-21kworker/0:010:41:470
323239964173445,2920cyclictest18115-21kworker/0:109:32:030
323239963853440,2901cyclictest23277-21kworker/0:011:08:260
323239963603154,3191cyclictest21843-21kworker/0:007:14:250
323239962943513,2766cyclictest7846-21kworker/0:110:13:560
323239961963197,2987cyclictest23277-21kworker/0:010:37:250
323239961273315,2760cyclictest23277-21kworker/0:010:48:000
323239959473030,2903cyclictest18115-21kworker/0:108:45:010
323239959233253,2666cyclictest18115-21kworker/0:108:37:220
323239954732732,2726cyclictest12011-21kworker/0:212:27:210
323239948532753,2061cyclictest12011-21kworker/0:212:33:000
319352782183,176sleep00-21swapper07:07:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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