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2026-09-08 - 20:08
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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 792 highest latencies:
System rack6slot6 (updated Tue Sep 08, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
284599210602105354,105242cyclictest29279-21ssh12:03:360
28459910707653389,53687cyclictest5350irq/9-uhci_hcd:12:29:340
28459910666953470,53199cyclictest0-21swapper10:31:090
28459910666353469,53194cyclictest0-21swapper09:02:040
28459910665453437,53125cyclictest0-21swapper08:12:400
28459910654453389,53064cyclictest0-21swapper10:15:250
28459910654453386,53091cyclictest0-21swapper08:17:510
28459910654153477,53064cyclictest0-21swapper11:38:490
28459910653553469,53066cyclictest0-21swapper09:39:350
28459910653053380,53059cyclictest0-21swapper12:23:120
28459910652953390,53139cyclictest0-21swapper09:29:120
28459910649653470,53026cyclictest0-21swapper09:10:060
28459910646453455,53009cyclictest0-21swapper12:06:070
28459910645553405,53050cyclictest0-21swapper11:25:450
28459910643253395,53037cyclictest0-21swapper11:09:410
28459910636953449,52920cyclictest0-21swapper07:20:550
28459910629553404,52826cyclictest12446-21kworker/0:007:35:090
28459910626853438,52765cyclictest0-21swapper10:20:360
28459910626853416,52852cyclictest0-21swapper07:33:580
28459910621453470,52744cyclictest0-21swapper08:37:270
28459910616453446,52718cyclictest0-21swapper08:51:210
28459910615953446,52713cyclictest0-21swapper08:41:080
28459910615453400,52754cyclictest0-21swapper07:19:440
28459910615053447,52703cyclictest0-21swapper11:21:040
28459910614053432,52708cyclictest0-21swapper11:33:070
28459910613753432,52705cyclictest0-21swapper08:27:440
28459910613453391,52743cyclictest0-21swapper09:31:520
28459910580853288,52520cyclictest0-21swapper12:31:040
28459910573953258,52477cyclictest0-21swapper10:37:310
28459910570152905,52793cyclictest21697-21ssh12:37:060
28459910560552964,52638cyclictest19010-21ssh11:49:520
2845995392853364,474cyclictest0-21swapper10:55:470
2845995366953400,207cyclictest5350irq/9-uhci_hcd:11:43:400
2845995362624,53482cyclictest0-21swapper10:49:550
2845995346026,53434cyclictest0-21swapper09:54:290
2845995333853283,43cyclictest3950irq/9-acpi10:08:030
2845995330327,53276cyclictest0-21swapper07:41:410
2845995326826,0cyclictest0-21swapper09:16:180
2845995317027,53143cyclictest0-21swapper09:06:550
2845995316125,53136cyclictest0-21swapper09:22:100
2845995315024,53063cyclictest0-21swapper10:53:060
2845995310124,53077cyclictest0-21swapper11:54:230
2845995309026,53026cyclictest0-21swapper07:54:140
2845995293752927,8cyclictest27734-21ssh11:16:020
28459948662682,2181cyclictest2679-21devkit-power-da12:19:110
28459923951083,1186cyclictest2099-21runrttasks08:08:180
28459922911075,1143cyclictest3950irq/9-acpi11:03:590
28459922761059,1217cyclictest25665-21ssh09:44:560
28459922121095,992cyclictest2099-21runrttasks08:23:230
28459922111091,995cyclictest7552-21ssh10:04:220
28459921041061,1043cyclictest0-21swapper07:48:120
28459921021027,953cyclictest3058-21ssh10:42:230
28459921011040,1027cyclictest0-21swapper08:45:290
28459920911075,950cyclictest134850irq/9-eth011:10:310
28459920491057,902cyclictest0-21swapper07:29:370
28459919551036,898cyclictest0-21swapper08:03:070
2845991947952,972cyclictest0-21swapper10:26:280
2845991938934,969cyclictest0-21swapper07:56:050
2845991920922,964cyclictest0-21swapper08:58:130
2845991907924,963cyclictest0-21swapper08:32:550
2845991874943,895cyclictest1907-21snmpd11:55:140
2845991840927,875cyclictest4780-21ssh12:14:390
28459917721092,586cyclictest5350irq/9-uhci_hcd:09:45:560
28459916451031,577cyclictest13794-21ssh10:12:340
28459916191044,486cyclictest3950irq/9-acpi09:55:390
2845991103612,489cyclictest880-21hwlatdetect-tra07:12:120
284599651490,158cyclictest2853-21ls07:10:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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