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2026-06-20 - 21:13
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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 Sat Jun 20, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
307739910729653455,53745cyclictest20709-21ssh09:15:520
307739910689353472,53300cyclictest4667-21ssh10:26:420
307739910679453423,53279cyclictest0-21swapper07:31:120
307739910676353458,53305cyclictest0-21swapper11:24:290
307739910665953409,53250cyclictest0-21swapper12:04:000
307739910663853467,53171cyclictest0-21swapper11:26:090
307739910660153475,53126cyclictest0-21swapper07:58:090
307739910650753476,53031cyclictest0-21swapper07:39:240
307739910647953419,53060cyclictest0-21swapper09:52:420
307739910646953459,53010cyclictest0-21swapper09:32:170
307739910646753456,53011cyclictest0-21swapper12:37:400
307739910646053452,53008cyclictest0-21swapper08:31:490
307739910643953478,52873cyclictest30772-21cyclictest12:30:080
307739910642853432,52996cyclictest0-21swapper11:38:430
307739910641453427,52987cyclictest0-21swapper09:03:280
307739910639053468,52830cyclictest0-21swapper08:57:160
307739910634253475,52867cyclictest0-21swapper11:54:580
307739910623653472,52764cyclictest0-21swapper08:43:530
307739910622753450,52777cyclictest0-21swapper07:16:470
307739910620053463,52737cyclictest0-21swapper11:17:070
307739910618353454,52729cyclictest0-21swapper07:25:300
307739910617053452,52718cyclictest0-21swapper07:47:360
307739910613453429,52705cyclictest0-21swapper07:13:160
307739910607253046,53015cyclictest22404-21sh10:52:500
307739910603453050,52982cyclictest14540-21ssh10:40:360
307739910579652929,52865cyclictest8608-21ssh10:32:440
307739910577853300,52463cyclictest12247-21ssh10:38:050
307739910568452973,52709cyclictest2852-21ssh09:37:180
307739910529752909,52386cyclictest29932-21ssh11:04:130
307739910505952963,52093cyclictest10-21rcuc/010:21:110
30773995341724,53393cyclictest0-21swapper10:03:360
30773995316828,384cyclictest0-21swapper08:01:000
30773995308727,53060cyclictest0-21swapper09:23:340
30773995307826,296cyclictest0-21swapper08:51:350
30773995299827,52971cyclictest0-21swapper08:16:150
30773995293150,0cyclictest3950irq/9-acpi12:27:370
30773995283930,52809cyclictest0-21swapper07:51:270
307739923791031,1348cyclictest0-21swapper11:32:310
307739922881087,1076cyclictest1907-21snmpd08:47:540
307739922751076,1074cyclictest2099-21runrttasks10:56:010
307739922591101,1067cyclictest20328-21kworker/u2:011:40:330
307739922201033,1060cyclictest16116-21ssh09:56:130
307739921421037,1069cyclictest15785-21diskmemload12:16:340
307739921181018,1008cyclictest134850irq/9-eth011:46:550
307739920861019,973cyclictest5350irq/9-uhci_hcd:11:59:090
307739920571002,1021cyclictest0-21swapper12:13:130
307739919421084,793cyclictest3950irq/9-acpi10:16:190
30773991909922,951cyclictest22929-21taskset10:06:060
307739918631047,723cyclictest0-21swapper08:38:010
307739918311000,797cyclictest3950irq/9-acpi12:20:150
307739917601060,700cyclictest0-21swapper09:40:590
307739917521045,641cyclictest3950irq/9-acpi12:08:520
30773991734971,739cyclictest1889-21ssh11:10:150
307739917261048,553cyclictest9-21ksoftirqd/008:21:360
307739917131038,675cyclictest0-21swapper11:05:330
307739917101077,633cyclictest0-21swapper10:13:580
307739916301055,553cyclictest0-21swapper09:29:160
307739915991041,540cyclictest0-21swapper08:29:280
307739915901084,441cyclictest9-21ksoftirqd/008:09:130
307739915731043,530cyclictest0-21swapper09:11:410
307739915281070,367cyclictest0-21swapper09:06:290
307739914641098,366cyclictest0-21swapper08:12:130
307739914641096,368cyclictest0-21swapper07:44:250
307739914321079,353cyclictest0-21swapper10:46:580
307739914141078,336cyclictest0-21swapper07:21:090
307739914031068,335cyclictest0-21swapper09:49:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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