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2026-08-27 - 08:38
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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 Aug 27, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6359910705053414,53571cyclictest0-21swapper20:32:590
6359910682653458,53303cyclictest27352-21ssh22:43:160
6359910653053449,53081cyclictest0-21swapper20:13:530
6359910651653476,53040cyclictest0-21swapper20:55:350
6359910651653475,53041cyclictest0-21swapper19:25:390
6359910650953457,53052cyclictest0-21swapper00:23:150
6359910649753467,53030cyclictest0-21swapper22:37:550
6359910648953468,53021cyclictest0-21swapper23:15:060
6359910648453461,53023cyclictest0-21swapper22:30:430
6359910648153458,53023cyclictest0-21swapper21:08:290
6359910648153428,53053cyclictest0-21swapper00:04:200
6359910647953459,53020cyclictest0-21swapper21:31:360
6359910647053450,52925cyclictest28278-21diskmemload22:52:090
6359910646653470,52996cyclictest0-21swapper22:03:350
6359910645353403,53050cyclictest0-21swapper20:02:500
6359910645253445,53007cyclictest0-21swapper19:37:230
6359910644953443,53006cyclictest0-21swapper23:29:500
6359910642553391,53034cyclictest0-21swapper22:08:260
6359910635853467,52828cyclictest3950irq/9-acpi20:38:200
6359910627553457,52818cyclictest0-21swapper20:05:410
6359910623653393,52843cyclictest0-21swapper00:25:460
6359910620653470,52736cyclictest0-21swapper21:44:500
6359910619553466,52729cyclictest0-21swapper20:19:550
6359910615953442,52717cyclictest0-21swapper21:00:370
6359910615453441,52713cyclictest0-21swapper22:20:300
6359910615053438,52712cyclictest0-21swapper20:49:130
6359910612353424,52699cyclictest0-21swapper23:36:520
6359910610452999,53103cyclictest0-21swapper00:30:070
6359910593753315,52614cyclictest2122-21kworker/0:021:22:130
6359910588753359,52528cyclictest0-21swapper21:15:110
6359910547752931,52544cyclictest18063-21sh00:05:100
6359910511853012,52105cyclictest0-21swapper21:47:100
6359910510052984,52114cyclictest0-21swapper21:27:450
635995402353426,597cyclictest0-21swapper23:12:050
635995392753465,462cyclictest0-21swapper23:50:460
635995386853432,436cyclictest0-21swapper23:57:480
635995381553378,437cyclictest0-21swapper19:42:240
635995365153373,213cyclictest0-21swapper21:10:300
635995361453437,177cyclictest0-21swapper19:24:290
635995358053406,174cyclictest0-21swapper19:52:370
635995355653406,150cyclictest0-21swapper20:52:440
635995346719,53354cyclictest619-21cyclictest23:43:440
635995344325,53418cyclictest0-21swapper23:49:150
635995338927,0cyclictest2272-21munin-node00:36:290
635995330325,0cyclictest0-21swapper19:34:420
635995312428,53096cyclictest0-21swapper19:49:260
635995277525,52750cyclictest0-21swapper19:58:590
635995274225,52717cyclictest0-21swapper20:22:460
6359921051058,1039cyclictest0-21swapper00:19:240
6359920651068,900cyclictest24539-21ssh21:50:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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