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2026-04-20 - 16:58
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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 Mon Apr 20, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
984599114125967,5441cyclictest21301-21kworker/0:207:31:360
984599109725662,5306cyclictest21301-21kworker/0:207:59:140
984599106255382,5232cyclictest21301-21kworker/0:208:24:480
98459999545217,4726cyclictest15924-21kworker/0:111:03:330
98459997955146,4638cyclictest1167-21kworker/0:110:09:250
98459989864666,4309cyclictest21301-21kworker/0:208:46:110
98459989704554,4405cyclictest1167-21kworker/0:109:40:060
98459989014623,4266cyclictest1167-21kworker/0:109:46:470
98459988894614,4264cyclictest21301-21kworker/0:207:54:230
98459988234485,4334cyclictest21301-21kworker/0:207:35:420
98459986724406,4255cyclictest21301-21kworker/0:207:19:400
98459986574406,4247cyclictest21301-21kworker/0:208:40:360
98459986224352,4246cyclictest7419-21kworker/0:111:46:540
98459984194269,4111cyclictest12362-21kworker/0:210:55:430
98459981564423,3709cyclictest15924-21kworker/0:111:20:340
98459980864368,3667cyclictest21301-21kworker/0:208:13:040
98459980664254,3762cyclictest15924-21kworker/0:111:26:490
98459979784233,3721cyclictest7419-21kworker/0:111:56:070
98459979584005,3902cyclictest21301-21kworker/0:207:48:150
98459978454243,3559cyclictest21301-21kworker/0:209:26:530
98459978193953,3823cyclictest21301-21kworker/0:208:28:300
98459978124252,3546cyclictest1167-21kworker/0:110:02:100
98459977574198,3544cyclictest21301-21kworker/0:208:02:500
98459977314140,3586cyclictest21301-21kworker/0:209:09:330
98459974714051,3369cyclictest21301-21kworker/0:209:02:200
98459974543951,3451cyclictest7419-21kworker/0:112:01:550
98459972323832,3341cyclictest25601-21kworker/0:112:26:170
98459972113856,3344cyclictest1167-21kworker/0:110:23:310
98459971823919,3220cyclictest21301-21kworker/0:208:33:460
98459971803913,3224cyclictest1273-21kworker/0:110:52:130
98459969293730,3188cyclictest1167-21kworker/0:110:16:290
98459969193734,3181cyclictest21301-21kworker/0:207:27:330
98459969043790,3099cyclictest1273-21kworker/0:110:36:370
98459968413632,3149cyclictest7419-21kworker/0:112:10:020
98459967813660,3110cyclictest21301-21kworker/0:207:44:470
98459967503412,3314cyclictest21301-21kworker/0:207:14:240
98459966203648,2957cyclictest1167-21kworker/0:109:51:500
98459966083367,3226cyclictest15924-21kworker/0:111:37:350
98459965953567,3017cyclictest21301-21kworker/0:208:09:200
98459965673554,3008cyclictest25601-21kworker/0:112:34:170
98459965313603,2914cyclictest1167-21kworker/0:109:58:020
98459965313601,2915cyclictest1273-21kworker/0:110:44:480
98459965173532,2974cyclictest21301-21kworker/0:208:19:410
98459965133426,3076cyclictest21301-21kworker/0:209:16:310
98459964453538,2892cyclictest15924-21kworker/0:111:17:030
98459964383444,2944cyclictest15924-21kworker/0:111:09:010
98459963243310,2999cyclictest15924-21kworker/0:111:11:260
98459962553353,2851cyclictest21301-21kworker/0:209:14:560
98459962283457,2728cyclictest1167-21kworker/0:109:32:440
98459961903434,2705cyclictest3919-21kworker/0:011:43:160
98459961833331,2837cyclictest1167-21kworker/0:109:38:290
98459961793307,2813cyclictest7419-21kworker/0:112:16:080
98459961753357,2807cyclictest7419-21kworker/0:112:11:230
98459960183202,2801cyclictest15924-21kworker/0:111:33:520
98459960123195,2802cyclictest21301-21kworker/0:209:21:040
98459959693229,2729cyclictest1273-21kworker/0:110:46:220
98459959363287,2597cyclictest7419-21kworker/0:111:52:270
98459958293158,2656cyclictest25601-21kworker/0:112:38:510
98459958043161,2638cyclictest21301-21kworker/0:208:57:520
98459952802717,2558cyclictest21301-21kworker/0:208:35:110
98459950172582,2430cyclictest21301-21kworker/0:208:52:030
98459949942668,2315cyclictest21301-21kworker/0:207:23:250
98459948462697,2144cyclictest30780-21kworker/0:010:30:560
98459940673975,79cyclictest30780-21kworker/0:010:29:200
98459940053873,81cyclictest1167-21kworker/0:110:14:530
98459930352973,49cyclictest22455-21kworker/0:012:20:200
9478262835,203sleep00-21swapper07:07:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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