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2026-05-10 - 08:29
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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 all highest latencies:
System rack6slot6 (updated Sun May 10, 2026 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
250439910741553479,53838cyclictest2272-21munin-node22:49:220
250439910714253390,53657cyclictest21817-21ssh22:11:510
250439910679553469,53326cyclictest0-21swapper23:09:380
250439910666353415,53156cyclictest0-21swapper19:14:400
250439910657753398,53179cyclictest0-21swapper20:36:240
250439910655953390,53103cyclictest0-21swapper23:51:500
250439910652053439,53081cyclictest0-21swapper20:00:030
250439910650053471,53029cyclictest0-21swapper22:36:480
250439910648053467,53013cyclictest0-21swapper00:15:370
250439910647153462,53009cyclictest0-21swapper22:51:530
250439910644053400,53040cyclictest0-21swapper00:09:150
250439910643953438,53001cyclictest0-21swapper00:39:440
250439910622353474,52749cyclictest0-21swapper19:38:170
250439910622153403,52818cyclictest0-21swapper21:06:520
250439910620253463,52739cyclictest0-21swapper20:44:460
250439910619153405,52786cyclictest0-21swapper19:32:350
250439910618153472,52709cyclictest0-21swapper19:16:510
250439910616753446,52721cyclictest0-21swapper19:48:300
250439910611553411,52704cyclictest0-21swapper19:27:540
250439910606453033,53028cyclictest11797-21ssh21:11:140
250439910583153299,52532cyclictest0-21swapper23:43:180
250439910544053173,52257cyclictest0-21swapper21:21:070
250439910513353036,52095cyclictest0-21swapper22:57:340
250439910512153023,52097cyclictest0-21swapper20:14:270
250439910511453020,52093cyclictest0-21swapper23:27:530
25043995362225,53504cyclictest0-21swapper23:58:220
25043995353226,53413cyclictest0-21swapper21:16:250
25043995350727,0cyclictest0-21swapper21:47:140
25043995347627,0cyclictest0-21swapper20:27:410
25043995346427,53437cyclictest0-21swapper20:33:030
25043995323929,53210cyclictest0-21swapper22:42:200
25043995302226,52905cyclictest0-21swapper23:15:500
25043995294028,160cyclictest0-21swapper19:23:330
250439960253245,2655cyclictest2679-21devkit-power-da21:59:180
250439953662782,2572cyclictest1741-21hald00:25:100
250439934821577,1779cyclictest1741-21hald20:22:100
250439925441104,1341cyclictest25096-21ssh22:16:220
250439925021064,1438cyclictest0-21swapper21:00:310
250439924011067,1234cyclictest1907-21snmpd21:52:360
250439923861072,1247cyclictest3950irq/9-acpi22:26:550
250439922761019,1165cyclictest134850irq/9-eth021:38:320
250439920821039,1022cyclictest0-21swapper20:09:160
250439920361090,854cyclictest134850irq/9-eth021:33:200
25043992035995,1019cyclictest0-21swapper23:23:520
250439919711024,853cyclictest0-21swapper23:03:160
25043991968972,980cyclictest10096-21diskmemload23:13:390
25043991955962,976cyclictest24000-21ssh21:29:490
25043991954962,969cyclictest0-21swapper20:50:280
25043991946952,961cyclictest134850irq/9-eth000:11:160
25043991934932,968cyclictest0-21swapper22:07:000
25043991925939,953cyclictest3950irq/9-acpi23:48:490
25043991925936,974cyclictest0-21swapper22:34:480
250439919161039,784cyclictest0-21swapper22:24:150
250439919051037,776cyclictest0-21swapper20:57:500
250439919011034,774cyclictest0-21swapper20:16:480
250439918651015,817cyclictest3950irq/9-acpi22:00:180
250439918521024,812cyclictest0-21swapper00:34:320
25043991761932,804cyclictest16141-21ssh00:22:090
250439917321028,704cyclictest0-21swapper19:55:420
250439916521072,580cyclictest0-21swapper20:48:170
250439916331063,570cyclictest0-21swapper23:32:040
250439916201090,463cyclictest0-21swapper19:44:490
25043991605775,827cyclictest0-21swapper00:04:140
250439916041085,456cyclictest9-21ksoftirqd/019:54:420
250439914571095,362cyclictest0-21swapper23:36:150
25043991435661,770cyclictest0-21swapper21:40:220
24032254753,213sleep00-21swapper19:05:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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