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2026-03-29 - 13:06
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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 Sun Mar 29, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2388899210860105405,105453cyclictest0-21swapper22:52:280
238889910713553423,53590cyclictest10762-21rm00:22:240
238889910680553467,53338cyclictest0-21swapper19:51:560
238889910670953454,53164cyclictest9-21ksoftirqd/000:37:380
238889910658153391,53125cyclictest0-21swapper21:53:110
238889910651253390,53057cyclictest0-21swapper00:16:520
238889910650853435,53073cyclictest0-21swapper20:00:080
238889910650053472,53028cyclictest0-21swapper21:09:480
238889910649653472,53024cyclictest0-21swapper20:52:430
238889910649353465,53028cyclictest0-21swapper21:39:470
238889910649253469,53023cyclictest0-21swapper23:28:580
238889910648453473,53011cyclictest0-21swapper22:12:260
238889910647453460,53014cyclictest0-21swapper21:03:270
238889910647353454,53019cyclictest0-21swapper22:19:490
238889910647353431,53042cyclictest0-21swapper20:24:550
238889910646953458,53011cyclictest0-21swapper00:09:400
238889910645453450,53004cyclictest0-21swapper22:42:150
238889910644953442,53007cyclictest0-21swapper23:45:030
238889910629653453,52751cyclictest0-21swapper21:28:240
238889910626853393,52810cyclictest0-21swapper22:27:210
238889910625853387,52806cyclictest0-21swapper19:46:140
238889910623053479,52751cyclictest0-21swapper21:30:440
238889910622853477,52751cyclictest0-21swapper20:32:280
238889910621853476,52742cyclictest0-21swapper20:40:500
238889910621653474,52742cyclictest0-21swapper00:26:050
238889910621653471,52745cyclictest0-21swapper21:46:090
238889910621353470,52743cyclictest0-21swapper00:12:310
238889910620453469,52735cyclictest0-21swapper23:41:520
238889910620353469,52734cyclictest0-21swapper19:27:090
238889910620153463,52738cyclictest0-21swapper20:08:210
238889910619553433,52762cyclictest0-21swapper22:22:190
238889910617953457,52722cyclictest0-21swapper19:37:120
238889910616053443,52717cyclictest0-21swapper19:34:110
238889910615353399,52754cyclictest0-21swapper20:48:420
238889910615253445,52707cyclictest0-21swapper22:39:340
238889910614853397,52751cyclictest0-21swapper19:24:180
238889910611153419,52692cyclictest0-21swapper19:55:570
238889910587653359,52504cyclictest0-21swapper23:18:350
238889910575352978,52772cyclictest23339-21ssh23:05:220
238889910545052926,52521cyclictest28030-21ssh23:12:340
238889910535252944,52405cyclictest13067-21ssh22:03:240
238889910515952969,52188cyclictest3950irq/9-acpi23:50:450
238889910505452935,52118cyclictest9-21ksoftirqd/021:43:280
23888995357927,53460cyclictest0-21swapper21:21:220
23888995350324,53479cyclictest0-21swapper00:03:590
23888995326131,53166cyclictest23874-21cyclictest20:16:230
23888995315424,53130cyclictest0-21swapper20:35:390
23888995311027,53083cyclictest0-21swapper22:33:120
23888995305224,52962cyclictest3950irq/9-acpi21:57:120
238889925951073,1522cyclictest0-21swapper21:10:390
238889925011076,1300cyclictest17736-21automount00:32:470
238889924671094,1282cyclictest5350irq/9-uhci_hcd:23:59:170
238889921671025,1103cyclictest18011-21ssh22:57:590
23888992033952,1026cyclictest10548-21diskmemload23:35:100
238889919841030,860cyclictest0-21swapper20:25:360
238889919781096,760cyclictest10252-21ssh22:45:560
238889919091028,787cyclictest53702sleep019:42:330
238889918961032,771cyclictest0-21swapper22:05:540
238889917441091,653cyclictest0-21swapper20:10:510
238889915861039,455cyclictest9-21ksoftirqd/023:31:590
238889915031010,427cyclictest0-21swapper20:55:440
238889914531093,360cyclictest0-21swapper21:17:510
238889914501093,357cyclictest0-21swapper23:02:410
238889914491093,356cyclictest0-21swapper23:21:060
23888991205610,591cyclictest9892-21hwlatdetect-tra19:18:160
23888991185601,581cyclictest6522-21hwlatdetect-tra19:13:250
1631328632,28sleep09-21ksoftirqd/019:09:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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