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2026-07-01 - 07:45
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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 all highest latencies:
System rack6slot6 (updated Wed Jul 01, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
45609910693553407,53404cyclictest3042-21ssh22:24:590
45609910692453461,53463cyclictest0-21swapper23:40:310
45609910686553380,53421cyclictest9-21ksoftirqd/022:17:170
45609910686453440,53329cyclictest16568-21diskmemload21:14:390
45609910665653405,53159cyclictest0-21swapper20:09:500
45609910650953476,53033cyclictest0-21swapper20:14:310
45609910649853474,53024cyclictest0-21swapper21:41:460
45609910648753465,53022cyclictest0-21swapper00:17:510
45609910648153457,53024cyclictest0-21swapper22:38:030
45609910647653338,53073cyclictest26953-21kworker/0:123:57:560
45609910645853445,53013cyclictest0-21swapper23:21:150
45609910645753453,53004cyclictest0-21swapper22:08:440
45609910645253486,52966cyclictest0-21swapper21:36:150
45609910641453430,52984cyclictest0-21swapper23:54:250
45609910639353416,52977cyclictest0-21swapper23:32:590
45609910637653405,52971cyclictest0-21swapper19:27:080
45609910636053419,52849cyclictest0-21swapper19:52:050
45609910633753479,52746cyclictest0-21swapper20:35:370
45609910625753418,52748cyclictest0-21swapper19:30:490
45609910624653445,52801cyclictest0-21swapper20:29:460
45609910623753438,52799cyclictest0-21swapper21:24:310
45609910618953461,52728cyclictest0-21swapper19:49:140
45609910617553403,52772cyclictest0-21swapper20:01:280
45609910616753450,52717cyclictest0-21swapper23:29:480
45609910616753444,52723cyclictest0-21swapper00:35:470
45609910616553446,52719cyclictest0-21swapper19:55:460
45609910615953401,52758cyclictest0-21swapper20:21:030
45609910615553440,52715cyclictest0-21swapper22:53:070
45609910615153442,52709cyclictest0-21swapper20:59:540
45609910501652921,52093cyclictest0-21swapper00:11:300
4560995383825,53721cyclictest134850irq/9-eth022:03:130
4560995361653367,186cyclictest9-21ksoftirqd/022:42:140
456099535876,53581cyclictest0-21swapper21:31:130
4560995357253421,151cyclictest0-21swapper20:44:300
4560995333327,53213cyclictest0-21swapper21:48:280
4560995320325,53178cyclictest0-21swapper23:35:590
45609958152963,2839cyclictest2679-21devkit-power-da21:00:350
45609923761101,1182cyclictest5350irq/9-uhci_hcd:21:16:390
45609923191091,1177cyclictest2099-21runrttasks19:35:400
45609922771033,1150cyclictest0-21swapper23:18:440
45609922511037,1115cyclictest2099-21runrttasks20:15:420
45609921981074,1025cyclictest14817-21ssh21:54:500
45609921421000,1049cyclictest154852sleep021:05:260
45609921261057,944cyclictest16568-21diskmemload21:57:210
45609920211036,864cyclictest0-21swapper20:47:210
45609920161032,863cyclictest0-21swapper20:51:120
45609920131022,953cyclictest26909-21ssh22:11:250
4560991965952,978cyclictest0-21swapper20:34:270
45609919491052,897cyclictest0-21swapper23:00:490
4560991947998,912cyclictest19067-21ssh22:47:450
45609919471042,784cyclictest0-21swapper23:09:320
4560991933941,977cyclictest0-21swapper21:26:320
45609919181069,849cyclictest0-21swapper22:26:390
45609919111037,780cyclictest0-21swapper23:14:230
45609919081095,747cyclictest3950irq/9-acpi00:30:450
4560991845941,868cyclictest8417-21ssh00:08:490
45609918291097,609cyclictest5668-21ssh00:02:570
45609917921088,704cyclictest0-21swapper22:59:590
45609917901010,743cyclictest27877-21ssh23:48:230
45609917151015,655cyclictest11191-21kworker/0:319:40:010
4560991526910,592cyclictest9690-21ssh22:34:320
45609914631051,412cyclictest0-21swapper19:24:270
45609914621092,370cyclictest0-21swapper00:22:030
45609914281094,334cyclictest0-21swapper00:27:040
4560991107620,483cyclictest7175-21munin-node19:10:330
4560991087613,471cyclictest22705-21hwlatdetect-tra19:16:040
133862810,1sleep013385-21wc19:06:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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