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2026-05-21 - 23:32
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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 50 highest latencies:
System rack6slot6 (updated Thu May 21, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
190949910730853430,53789cyclictest19090-21cyclictest10:09:410
190949910723653485,53654cyclictest21530-21ssh11:54:110
190949910693453484,53387cyclictest134850irq/9-eth009:23:580
190949910667253447,53225cyclictest0-21swapper07:36:570
190949910661953403,53216cyclictest0-21swapper12:24:400
190949910658753474,53113cyclictest0-21swapper08:55:290
190949910658153400,53181cyclictest0-21swapper08:49:280
190949910654753388,53094cyclictest0-21swapper07:11:090
190949910653153434,53097cyclictest0-21swapper07:24:030
190949910651253474,53038cyclictest0-21swapper12:35:230
190949910651153399,53112cyclictest0-21swapper08:54:190
190949910650153468,53033cyclictest0-21swapper09:18:360
190949910647253470,53002cyclictest0-21swapper10:57:350
190949910646653449,53017cyclictest0-21swapper09:12:240
190949910644053397,53043cyclictest0-21swapper09:41:130
190949910643653471,52965cyclictest0-21swapper07:54:020
190949910643553449,52986cyclictest0-21swapper12:03:130
190949910643353438,52995cyclictest0-21swapper10:19:340
190949910643253394,53038cyclictest0-21swapper10:35:080
190949910642853391,53037cyclictest0-21swapper11:32:350
190949910642753445,52982cyclictest0-21swapper10:12:520
190949910641553422,52993cyclictest0-21swapper09:48:250
190949910639753418,52979cyclictest0-21swapper11:48:190
190949910626953393,52811cyclictest0-21swapper08:06:150
190949910626353421,52751cyclictest0-21swapper08:27:510
190949910622453475,52749cyclictest0-21swapper07:43:590
190949910620353466,52737cyclictest0-21swapper09:09:230
190949910618553453,52732cyclictest0-21swapper07:58:330
190949910617253449,52723cyclictest0-21swapper08:14:180
190949910617053416,52754cyclictest0-21swapper07:29:150
190949910615453398,52756cyclictest0-21swapper07:34:260
190949910532852959,52367cyclictest134850irq/9-eth009:36:110
190949910524653004,52236cyclictest27035-21ssh11:15:400
190949910517353056,52117cyclictest0-21swapper07:15:310
19094995393053461,469cyclictest0-21swapper10:27:460
19094995385453416,438cyclictest0-21swapper10:51:030
19094995383953399,440cyclictest0-21swapper12:07:050
19094995382519,53681cyclictest670-21ssh09:52:360
19094995368053375,217cyclictest25183-21rm11:14:090
19094995365916,837cyclictest32190-21ssh11:23:520
19094995364253466,176cyclictest0-21swapper09:25:380
19094995363353456,177cyclictest0-21swapper08:39:350
19094995348028,53452cyclictest6694-21ssh10:47:520
19094995306626,53040cyclictest0-21swapper10:33:580
19094995304826,53022cyclictest0-21swapper10:20:540
19094995298152968,12cyclictest0-21swapper11:59:020
190949923721069,1176cyclictest18998-21ssh09:31:000
190949921681087,956cyclictest16201-21ssh12:30:410
190949921061043,1029cyclictest0-21swapper08:17:180
190949920901080,917cyclictest16745-21kworker/u2:211:02:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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