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2026-05-17 - 14:12
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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 highest latencies:
System rack6slot6 (updated Sun May 17, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
242529910700853419,53493cyclictest4516-21ssh21:48:480
242529910690053424,53412cyclictest9-21ksoftirqd/000:16:310
242529910684453446,53398cyclictest0-21swapper21:18:190
242529910659153428,53100cyclictest9-21ksoftirqd/000:32:050
242529910653853440,53098cyclictest0-21swapper21:04:350
242529910651453476,53038cyclictest0-21swapper20:34:270
242529910650853472,53036cyclictest0-21swapper23:11:020
242529910648653491,52905cyclictest9-21ksoftirqd/000:25:330
242529910645853467,52991cyclictest0-21swapper20:43:390
242529910637953447,52869cyclictest24245-21cyclictest20:01:570
242529910637553428,52947cyclictest0-21swapper22:41:130
242529910637053426,52944cyclictest0-21swapper19:54:350
242529910625253413,52748cyclictest0-21swapper20:46:200
242529910623653480,52756cyclictest0-21swapper21:29:330
242529910621553471,52744cyclictest0-21swapper20:10:300
242529910621453447,52767cyclictest0-21swapper20:08:590
242529910620453411,52793cyclictest0-21swapper19:44:220
242529910619953467,52732cyclictest0-21swapper19:34:190
242529910619653463,52733cyclictest0-21swapper20:54:430
242529910619453462,52732cyclictest0-21swapper19:20:450
242529910615353444,52709cyclictest0-21swapper22:45:340
242529910608753380,52694cyclictest134850irq/9-eth021:57:510
242529910607953010,53067cyclictest0-21swapper22:51:560
242529910606953014,53053cyclictest0-21swapper00:04:470
242529910592552973,52949cyclictest5767-21rm22:35:420
242529910591552886,53027cyclictest0-21swapper21:07:260
242529910588253350,52532cyclictest0-21swapper23:46:420
242529910577953268,52511cyclictest0-21swapper20:19:420
242529910555752986,52567cyclictest15321-21ssh22:04:230
242529910535353094,52259cyclictest0-21swapper23:32:380
242529910514853053,52093cyclictest0-21swapper23:19:040
242529910508952990,52097cyclictest0-21swapper21:33:240
24252995387327,53751cyclictest25362-21kworker/u2:122:24:280
24252995359527,53568cyclictest0-21swapper23:00:590
24252995330125,438cyclictest0-21swapper19:12:330
24252995326125,53169cyclictest0-21swapper20:38:380
24252995277927,52752cyclictest0-21swapper20:21:430
242529954952729,2728cyclictest1741-21hald22:59:490
242529925991099,1375cyclictest29975-21ssh23:56:050
242529922411072,1069cyclictest1907-21snmpd19:39:010
24252992140994,1107cyclictest19497-21ssh21:24:110
242529920761097,913cyclictest134850irq/9-eth021:39:450
242529920641029,1014cyclictest0-21swapper00:36:160
242529920521039,992cyclictest0-21swapper23:25:060
242529920231003,987cyclictest0-21swapper22:07:330
24252991996965,997cyclictest3950irq/9-acpi23:44:110
242529919961038,866cyclictest0-21swapper19:29:580
242529919891061,836cyclictest9-21ksoftirqd/021:12:180
242529919881024,930cyclictest0-21swapper00:11:590
242529919741026,928cyclictest0-21swapper23:54:340
24252991962946,979cyclictest4516-21sh00:05:370
242529919491032,881cyclictest2099-21runrttasks21:42:160
242529919341071,769cyclictest0-21swapper19:46:530
242529919001032,774cyclictest0-21swapper20:25:040
242529918151089,637cyclictest3950irq/9-acpi19:15:140
24252991804891,897cyclictest2099-21runrttasks23:06:000
242529917361091,645cyclictest0-21swapper23:39:000
242529917061091,550cyclictest3950irq/9-acpi22:32:410
242529916781099,515cyclictest24245-21cyclictest22:27:590
242529916461090,492cyclictest9-21ksoftirqd/022:14:460
242529915601031,435cyclictest9-21ksoftirqd/021:51:090
242529915181018,470cyclictest18333-21kworker/0:322:19:270
24252991492946,532cyclictest157622sleep000:22:120
242529914601094,366cyclictest0-21swapper20:57:030
242529914571093,364cyclictest0-21swapper19:58:460
242529914441089,355cyclictest0-21swapper23:20:240
23472258085,212sleep00-21swapper19:06:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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