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2026-05-02 - 14:44
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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 Sat May 02, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1709199114355938,5486cyclictest18088-21kworker/0:112:00:570
1709199105515307,5230cyclictest30270-21kworker/0:008:57:070
170919998235272,4508cyclictest30270-21kworker/0:009:01:400
170919997855225,4548cyclictest30270-21kworker/0:008:19:030
170919997745103,4660cyclictest13110-21kworker/0:110:51:260
170919994444867,4566cyclictest10189-21kworker/0:210:39:110
170919991044603,4496cyclictest30270-21kworker/0:007:52:460
170919989404591,4335cyclictest3863-21kworker/0:012:35:410
170919989124603,4298cyclictest30270-21kworker/0:008:41:010
170919989094601,4297cyclictest30270-21kworker/0:008:14:400
170919988824476,4395cyclictest30270-21kworker/0:009:38:010
170919988664475,4386cyclictest18623-21kworker/0:009:55:120
170919988474644,4188cyclictest13110-21kworker/0:110:43:410
170919987804537,4232cyclictest30270-21kworker/0:007:48:120
170919986194551,4057cyclictest3817-21kworker/0:110:25:490
170919985894540,4037cyclictest15932-21kworker/0:209:49:250
170919985684322,4235cyclictest20643-21kworker/0:207:23:540
170919985664328,4226cyclictest18623-21kworker/0:010:13:280
170919984934398,4090cyclictest20643-21kworker/0:207:27:590
170919982454224,3969cyclictest30270-21kworker/0:009:15:580
170919982124325,3872cyclictest20643-21kworker/0:207:14:270
170919979224166,3704cyclictest18623-21kworker/0:010:18:050
170919978614123,3723cyclictest30270-21kworker/0:008:00:250
170919978424138,3689cyclictest30270-21kworker/0:008:35:230
170919978204101,3704cyclictest18623-21kworker/0:010:24:120
170919977963943,3838cyclictest18623-21kworker/0:010:05:490
170919977424063,3664cyclictest13110-21kworker/0:110:56:070
170919977354061,3614cyclictest13110-21kworker/0:110:49:500
170919976513862,3774cyclictest20912-21kworker/0:212:19:100
170919974853894,3539cyclictest18623-21kworker/0:009:53:380
170919973793830,3538cyclictest30270-21kworker/0:009:32:450
170919973333985,3297cyclictest30270-21kworker/0:007:42:200
170919972813966,3272cyclictest30270-21kworker/0:008:48:120
170919972793795,3469cyclictest20912-21kworker/0:212:26:540
170919972083709,3456cyclictest30270-21kworker/0:008:52:400
170919971183731,3373cyclictest20912-21kworker/0:212:06:490
170919970943866,3176cyclictest20643-21kworker/0:207:38:130
170919970873791,3284cyclictest30270-21kworker/0:008:32:210
170919970563618,3424cyclictest30270-21kworker/0:009:41:590
170919970553640,3400cyclictest30270-21kworker/0:009:10:560
170919969543675,3236cyclictest3817-21kworker/0:110:30:090
170919969243675,3235cyclictest18088-21kworker/0:111:59:220
170919968673682,3174cyclictest30270-21kworker/0:007:57:290
170919968593676,3172cyclictest30270-21kworker/0:008:23:240
170919968503631,3168cyclictest13110-21kworker/0:111:01:570
170919968253663,3157cyclictest20643-21kworker/0:207:31:540
170919968123657,3151cyclictest18623-21kworker/0:010:01:110
170919967733508,3250cyclictest30270-21kworker/0:009:26:050
170919966123491,3070cyclictest24163-21kworker/0:011:08:120
170919965513461,3050cyclictest30270-21kworker/0:009:21:000
170919964943471,3012cyclictest30270-21kworker/0:008:06:140
170919964863544,2891cyclictest6287-21kworker/0:211:52:050
170919964443419,2974cyclictest30270-21kworker/0:009:06:190
170919964303421,2958cyclictest24163-21kworker/0:011:21:200
170919964173452,2954cyclictest24163-21kworker/0:011:16:120
170919963103359,2900cyclictest6287-21kworker/0:211:44:030
170919962683444,2801cyclictest20643-21kworker/0:207:18:090
170919961613380,2730cyclictest24163-21kworker/0:011:14:370
170919961543297,2842cyclictest24163-21kworker/0:011:27:360
170919960523375,2666cyclictest30270-21kworker/0:008:27:480
170919959963098,2847cyclictest6287-21kworker/0:211:35:520
170919946422450,2177cyclictest24163-21kworker/0:011:30:160
170919943764310,44cyclictest6287-21kworker/0:211:46:280
168332839185,204sleep00-21swapper07:09:000
170919943856,87cyclictest30456-21diskmemload12:11:000
170919939339,186cyclictest345450irq/10-yenta12:22:590
170919939231,361cyclictest0-21swapper12:33:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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