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2026-07-09 - 10:08
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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 376 highest latencies:
System rack6slot6 (updated Thu Jul 09, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
185459910744253410,53910cyclictest12559-21ssh22:08:140
185459910696653466,53410cyclictest18534-21cyclictest23:11:220
185459910690553458,53356cyclictest28269-21kworker/u2:000:04:270
185459910687953402,53413cyclictest134850irq/9-eth022:57:480
185459910683653473,53363cyclictest0-21swapper00:36:160
185459910670553452,53253cyclictest0-21swapper22:53:070
185459910667453446,53137cyclictest10-21rcuc/020:46:000
185459910654553421,53124cyclictest0-21swapper19:54:450
185459910648453420,53064cyclictest0-21swapper00:26:030
185459910648353464,53019cyclictest0-21swapper23:22:350
185459910648353461,53022cyclictest0-21swapper20:01:370
185459910645853473,52985cyclictest0-21swapper21:04:450
185459910643653397,53039cyclictest0-21swapper22:29:300
185459910626453476,52788cyclictest0-21swapper20:37:580
185459910624053445,52795cyclictest0-21swapper19:30:080
185459910618853449,52739cyclictest0-21swapper20:55:330
185459910616053404,52756cyclictest0-21swapper20:43:590
185459910615453459,52695cyclictest0-21swapper20:11:100
185459910614753426,52721cyclictest0-21swapper20:08:490
185459910613953393,52746cyclictest0-21swapper19:45:430
185459910613353431,52702cyclictest0-21swapper21:08:060
185459910610753022,53083cyclictest0-21swapper22:46:050
185459910594953370,52567cyclictest3950irq/9-acpi22:35:320
185459910588653354,52532cyclictest0-21swapper19:57:060
185459910533753085,52252cyclictest0-21swapper23:47:220
185459910510152996,52100cyclictest0-21swapper22:18:170
185459910506752943,52119cyclictest0-21swapper00:15:510
185459910504752937,52108cyclictest0-21swapper21:50:290
185459910498552901,52082cyclictest0-21swapper20:50:010
18545995339726,0cyclictest0-21swapper22:00:210
18545995331926,53293cyclictest0-21swapper21:14:480
18545995286128,52833cyclictest0-21swapper21:17:490
1854599521258,52115cyclictest0-21swapper21:20:100
185459925051103,1309cyclictest18534-21cyclictest22:42:030
185459924251006,1295cyclictest2277-21Xorg23:52:340
185459923151090,1125cyclictest3484-21diskmemload00:13:000
185459923021073,1108cyclictest0-21swapper23:42:410
185459921031022,1047cyclictest3950irq/9-acpi23:59:460
185459920621004,1024cyclictest0-21swapper20:32:360
18545992051997,1020cyclictest0-21swapper23:34:080
18545992035997,1003cyclictest0-21swapper23:29:270
18545992024985,1005cyclictest0-21swapper21:29:530
18545992018975,1006cyclictest24155-21ssh21:39:050
18545992017988,1008cyclictest0-21swapper21:40:460
185459919911025,930cyclictest0-21swapper23:16:130
185459919811031,858cyclictest0-21swapper20:19:520
185459919751027,854cyclictest0-21swapper19:40:510
185459918891077,687cyclictest3484-21diskmemload23:35:490
18545991873886,973cyclictest0-21swapper21:33:240
185459918311011,729cyclictest134850irq/9-eth000:08:580
18545991786929,836cyclictest0-21swapper00:34:260
185459917821036,653cyclictest0-21swapper19:35:300
185459917601022,646cyclictest18534-21cyclictest20:26:040
185459916831071,612cyclictest0-21swapper22:30:100
185459916751082,593cyclictest0-21swapper23:07:110
185459916491086,498cyclictest3950irq/9-acpi23:05:000
185459916391083,462cyclictest9-21ksoftirqd/000:24:030
185459916321067,471cyclictest30715-21ssh21:48:080
18545991534774,748cyclictest17115-21runrttasks20:24:540
18545991525755,766cyclictest0-21swapper21:55:300
185459914961008,421cyclictest0-21swapper19:28:580
185459914681041,427cyclictest0-21swapper22:12:250
185459914671056,411cyclictest0-21swapper22:23:080
18545991209619,585cyclictest15955-21hwlatdetect-tra19:12:130
18545991197621,574cyclictest31928-21kworker/0:219:23:360
18545991112573,535cyclictest20717-21hwlatdetect-tra19:17:140
679222140,1sleep023143-21hwlatdetect-tra19:07:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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