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2026-03-19 - 21:59
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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 792 highest latencies:
System rack6slot5.osadl.org (updated Thu Mar 19, 2026 12:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2944699115476096,5440cyclictest5813-21kworker/0:209:02:320
2944699108695734,5084cyclictest31030-21kworker/0:008:37:010
2944699104015333,5063cyclictest2372-21kworker/0:011:03:000
2944699102375121,5092cyclictest5813-21kworker/0:209:13:300
294469997935118,4670cyclictest25291-21kworker/0:009:41:590
294469997715109,4657cyclictest31030-21kworker/0:008:20:100
294469997155167,4537cyclictest31030-21kworker/0:007:44:210
294469995394982,4534cyclictest31030-21kworker/0:007:14:260
294469992694764,4500cyclictest14266-21kworker/0:211:29:230
294469992684771,4493cyclictest31030-21kworker/0:008:29:130
294469991204693,4416cyclictest31030-21kworker/0:008:15:410
294469990364652,4373cyclictest31030-21kworker/0:008:52:500
294469989674501,4424cyclictest5813-21kworker/0:208:56:180
294469988384553,4274cyclictest31030-21kworker/0:008:43:110
294469988284746,4071cyclictest31030-21kworker/0:007:27:490
294469987564512,4233cyclictest31030-21kworker/0:008:02:280
294469985404508,3865cyclictest31030-21kworker/0:008:32:190
294469983274343,3924cyclictest5813-21kworker/0:209:06:010
294469982654381,3869cyclictest8875-21kworker/0:012:27:060
294469981384120,3890cyclictest31030-21kworker/0:008:05:260
294469980914236,3840cyclictest12552-21kworker/0:010:40:510
294469980124129,3869cyclictest31610-21kworker/0:012:08:520
294469979454262,3632cyclictest8875-21kworker/0:012:34:470
294469976224091,3516cyclictest31030-21kworker/0:007:18:080
294469975543986,3557cyclictest26367-21kworker/0:210:48:450
294469974043991,3362cyclictest31030-21kworker/0:007:33:500
294469973193648,3629cyclictest31030-21kworker/0:007:56:280
294469973053835,3410cyclictest25291-21kworker/0:009:46:330
294469972763917,3344cyclictest8713-21kworker/0:011:13:520
294469972763689,3573cyclictest17977-21kworker/0:011:53:320
294469972723828,3393cyclictest31030-21kworker/0:008:46:330
294469972233830,3382cyclictest12552-21kworker/0:010:19:490
294469971113844,3215cyclictest30632-21kworker/0:210:04:520
294469970733743,3316cyclictest12552-21kworker/0:010:24:080
294469970343849,3174cyclictest31030-21kworker/0:007:35:430
294469969953734,3257cyclictest31030-21kworker/0:007:23:470
294469969263750,3124cyclictest29179-21kworker/0:110:53:210
294469968663627,3187cyclictest31030-21kworker/0:008:14:140
294469968653628,3186cyclictest30632-21kworker/0:210:12:120
294469968463655,3180cyclictest31030-21kworker/0:007:53:300
294469967713622,3138cyclictest5756-21kworker/0:211:09:260
294469967703616,3149cyclictest5696-21kworker/0:212:15:270
294469967683467,3241cyclictest30632-21kworker/0:209:52:280
294469966553511,3120cyclictest5813-21kworker/0:209:17:270
294469966513622,2978cyclictest17977-21kworker/0:011:47:160
294469966393654,2974cyclictest31030-21kworker/0:007:48:590
294469966093594,2973cyclictest5813-21kworker/0:209:22:450
294469965153433,3010cyclictest12552-21kworker/0:010:34:150
294469964513240,3197cyclictest28807-21kworker/0:111:55:310
294469964453229,3192cyclictest12552-21kworker/0:010:28:530
294469964023282,3060cyclictest31610-21kworker/0:012:00:170
294469963883473,2855cyclictest17977-21kworker/0:011:41:150
294469962213345,2866cyclictest8875-21kworker/0:012:22:080
294469961933325,2857cyclictest8875-21kworker/0:012:36:220
294469961923288,2861cyclictest5696-21kworker/0:212:13:520
294469961653371,2743cyclictest22387-21kworker/0:209:33:470
294469961523262,2839cyclictest30632-21kworker/0:209:58:350
294469960333304,2677cyclictest19372-21kworker/0:009:28:210
294469959153191,2713cyclictest12552-21kworker/0:010:35:500
294469959143195,2715cyclictest8713-21kworker/0:011:23:010
294469956883155,2519cyclictest17977-21kworker/0:011:33:490
294469947222473,2234cyclictest29179-21kworker/0:110:56:170
294469941974076,107cyclictest15426-21kworker/0:109:36:120
294469941294071,44cyclictest17977-21kworker/0:011:36:170
294469935512185,1341cyclictest8713-21kworker/0:011:16:320
294469924342378,42cyclictest30632-21kworker/0:210:07:220
287542847185,177sleep00-21swapper07:05:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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