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2026-04-12 - 04:16
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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 highest latencies:
System rack6slot5.osadl.org (updated Sun Apr 12, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2634699106945450,5233cyclictest18104-21kworker/0:121:29:420
2634699105005250,5239cyclictest18104-21kworker/0:121:38:300
2634699104205320,5089cyclictest30090-21kworker/0:219:23:140
263469999195246,4662cyclictest2545-21kworker/0:022:11:260
263469999005246,4642cyclictest30090-21kworker/0:220:01:320
263469997175145,4561cyclictest19623-21kworker/0:020:56:560
263469994654722,4719cyclictest18104-21kworker/0:121:45:520
263469994494729,4709cyclictest9955-21kworker/0:123:14:500
263469992924555,4695cyclictest19623-21kworker/0:020:47:070
263469992914755,4525cyclictest19623-21kworker/0:021:17:280
263469992534735,4507cyclictest12472-21kworker/0:022:19:500
263469991824693,4484cyclictest18104-21kworker/0:121:59:000
263469991694691,4473cyclictest30090-21kworker/0:220:13:150
263469991624756,4355cyclictest30090-21kworker/0:219:48:040
263469990434637,4395cyclictest18104-21kworker/0:121:54:520
263469990404527,4502cyclictest28381-21kworker/0:100:23:520
263469990374621,4405cyclictest15297-21kworker/0:222:29:020
263469990074611,4385cyclictest19623-21kworker/0:020:17:170
263469989604650,4259cyclictest30090-21kworker/0:219:44:180
263469989304569,4350cyclictest28381-21kworker/0:100:36:540
263469988624639,4211cyclictest19623-21kworker/0:020:28:580
263469988364520,4305cyclictest28381-21kworker/0:100:14:580
263469988274617,4198cyclictest30090-21kworker/0:219:34:290
263469988104492,4307cyclictest28381-21kworker/0:123:57:370
263469986874548,4128cyclictest28381-21kworker/0:123:48:350
263469986824446,4231cyclictest15297-21kworker/0:222:24:310
263469986104274,4284cyclictest30090-21kworker/0:219:17:230
263469985954314,4270cyclictest28381-21kworker/0:100:01:530
263469984334372,4032cyclictest28381-21kworker/0:123:51:430
263469983054425,3829cyclictest26188-21kworker/0:122:44:100
263469981624267,3880cyclictest28901-21kworker/0:022:48:210
263469981114311,3748cyclictest28381-21kworker/0:100:18:070
263469979414036,3890cyclictest19623-21kworker/0:020:51:150
263469979104228,3630cyclictest30090-21kworker/0:219:36:360
263469979084120,3737cyclictest19922-21kworker/0:022:40:000
263469978984255,3638cyclictest28381-21kworker/0:100:28:070
263469978324267,3514cyclictest28381-21kworker/0:100:09:020
263469978004071,3714cyclictest2545-21kworker/0:022:10:020
263469977044006,3656cyclictest9955-21kworker/0:123:25:420
263469976624222,3435cyclictest9955-21kworker/0:123:18:530
263469976103752,3807cyclictest30090-21kworker/0:220:07:310
263469975194048,3456cyclictest2640-21kworker/0:223:09:210
263469975114020,3430cyclictest19623-21kworker/0:020:31:180
263469974443908,3521cyclictest18104-21kworker/0:121:32:280
263469974414009,3417cyclictest30090-21kworker/0:219:14:290
263469973733935,3387cyclictest18612-21kworker/0:223:34:170
263469972983614,3633cyclictest30090-21kworker/0:219:28:430
263469972613802,3407cyclictest30090-21kworker/0:219:55:590
263469972533930,3312cyclictest18612-21kworker/0:223:39:370
263469971703894,3265cyclictest18612-21kworker/0:223:43:500
263469971473837,3250cyclictest19922-21kworker/0:022:31:520
263469971143673,3427cyclictest19623-21kworker/0:021:20:130
263469969843799,3180cyclictest19623-21kworker/0:020:24:560
263469969703650,3261cyclictest28381-21kworker/0:100:31:130
263469969413781,3149cyclictest19623-21kworker/0:021:08:580
263469967823595,3176cyclictest2640-21kworker/0:223:02:310
263469967613587,3170cyclictest28901-21kworker/0:022:58:160
263469967543523,3179cyclictest19623-21kworker/0:021:11:320
263469967003556,3133cyclictest19623-21kworker/0:020:44:470
263469965513457,3079cyclictest18104-21kworker/0:121:41:260
263469965163450,3051cyclictest9955-21kworker/0:123:21:320
263469964753509,2915cyclictest19623-21kworker/0:020:39:200
263469964223456,2906cyclictest30090-21kworker/0:219:51:580
263469963733493,2876cyclictest19623-21kworker/0:021:04:560
263469962353381,2794cyclictest2545-21kworker/0:022:01:450
263469961123323,2737cyclictest28901-21kworker/0:022:52:400
257902781185,203sleep00-21swapper19:06:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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