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2026-03-26 - 20:52
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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
Characteristics of the 100 highest latencies:
System rack6slot6 (updated Thu Mar 26, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
561199209910105424,104484cyclictest0-21swapper09:38:300
56119910702253444,53456cyclictest22584-21rm10:44:190
56119910685553425,53340cyclictest3950irq/9-acpi11:09:260
56119910667553454,53221cyclictest0-21swapper11:21:390
56119910667353445,53228cyclictest0-21swapper07:21:400
56119910657053383,53095cyclictest0-21swapper09:34:290
56119910653453395,53139cyclictest0-21swapper09:07:310
56119910652253410,53014cyclictest8348-21ssh10:22:530
56119910649853473,53017cyclictest22538-21kworker/0:111:43:460
56119910649553468,53027cyclictest0-21swapper08:53:370
56119910648153459,53022cyclictest0-21swapper11:13:370
56119910645853448,53010cyclictest0-21swapper11:56:300
56119910639353414,52979cyclictest0-21swapper10:39:270
56119910626953395,52874cyclictest0-21swapper12:13:140
56119910622353478,52745cyclictest0-21swapper08:27:390
56119910622253472,52750cyclictest0-21swapper10:58:230
56119910622153474,52747cyclictest0-21swapper08:11:550
56119910622053447,52773cyclictest0-21swapper08:04:530
56119910621953476,52743cyclictest0-21swapper07:52:290
56119910619253463,52729cyclictest0-21swapper10:45:090
56119910618653437,52712cyclictest0-21swapper08:33:410
56119910617253452,52720cyclictest0-21swapper12:37:010
56119910616553402,52763cyclictest0-21swapper10:04:470
56119910615653398,52758cyclictest0-21swapper08:16:160
56119910509852996,52100cyclictest0-21swapper11:46:570
56119910509852982,52116cyclictest0-21swapper09:40:300
5611995375227,53631cyclictest0-21swapper09:50:330
5611995325125,465cyclictest0-21swapper07:57:310
5611995320227,53109cyclictest0-21swapper08:24:590
5611995297924,52890cyclictest0-21swapper08:09:040
56119951082693,2412cyclictest1741-21hald11:04:350
56119927451446,1202cyclictest2679-21devkit-power-da08:59:390
56119925021080,1325cyclictest22776-21diskmemload10:16:310
56119924021032,1246cyclictest30704-21ssh12:31:090
56119921711098,1006cyclictest134850irq/9-eth009:13:430
56119921481039,985cyclictest2099-21runrttasks10:29:140
5611992128948,1145cyclictest0-21swapper10:11:490
56119920721059,923cyclictest5610-21cyclictest11:16:480
56119920571059,907cyclictest3950irq/9-acpi12:09:230
56119920551022,1026cyclictest0-21swapper11:53:080
5611992022991,1010cyclictest0-21swapper12:24:280
56119920221077,854cyclictest28123-21ssh12:27:590
5611992015987,1007cyclictest0-21swapper09:57:150
56119919881031,864cyclictest0-21swapper07:48:080
56119919841032,859cyclictest0-21swapper09:18:240
5611991977975,965cyclictest10934-21ssh12:02:110
56119919411082,793cyclictest3950irq/9-acpi11:30:520
5611991936933,968cyclictest0-21swapper08:46:250
5611991902923,965cyclictest0-21swapper11:37:040
56119919021034,774cyclictest0-21swapper07:29:230
56119918901096,668cyclictest2099-21runrttasks07:10:570
56119918621018,750cyclictest10225-21kworker/0:008:41:230
5611991826941,885cyclictest0-21swapper08:36:120
5611991811840,957cyclictest0-21swapper10:33:150
56119918071068,614cyclictest22776-21diskmemload09:27:570
56119917461093,653cyclictest0-21swapper10:07:280
56119916981093,605cyclictest0-21swapper07:37:150
56119916851079,543cyclictest3950irq/9-acpi12:19:560
56119916631093,570cyclictest0-21swapper07:16:490
56119916131006,541cyclictest0-21swapper09:23:050
56119916111088,458cyclictest9-21ksoftirqd/011:25:410
56119916031062,541cyclictest0-21swapper09:00:090
56119915971096,437cyclictest9-21ksoftirqd/010:50:510
5611991582977,570cyclictest17495-21ssh09:49:230
56119915651019,478cyclictest0-21swapper07:34:440
56119914981011,421cyclictest0-21swapper07:41:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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