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2026-03-30 - 04:35
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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 Mon Mar 30, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
237119910682953452,53280cyclictest28417-21diskmemload21:33:130
237119910674153400,53277cyclictest3950irq/9-acpi00:12:280
237119910672653465,53261cyclictest0-21swapper20:15:400
237119910665253432,53220cyclictest0-21swapper23:08:000
237119910660653387,53156cyclictest9-21ksoftirqd/019:59:050
237119910659753467,53040cyclictest9-21ksoftirqd/021:36:240
237119910659453480,53050cyclictest9-21ksoftirqd/021:24:500
237119910658153375,53142cyclictest9-21ksoftirqd/022:44:430
237119910647853398,53080cyclictest0-21swapper20:01:160
237119910647453416,53058cyclictest0-21swapper20:08:280
237119910647253449,52959cyclictest3950irq/9-acpi22:00:300
237119910646953412,53057cyclictest0-21swapper22:26:280
237119910643153439,52992cyclictest0-21swapper20:52:210
237119910643153435,52996cyclictest0-21swapper23:02:280
237119910640253426,52976cyclictest0-21swapper23:37:480
237119910636953460,52818cyclictest0-21swapper19:50:030
237119910625853442,52700cyclictest0-21swapper20:32:050
237119910624353411,52832cyclictest0-21swapper20:40:270
237119910622053466,52718cyclictest0-21swapper20:48:100
237119910621653430,52786cyclictest0-21swapper20:22:520
237119910617753454,52723cyclictest0-21swapper21:27:110
237119910612353429,52694cyclictest0-21swapper20:39:270
237119910611353421,52692cyclictest0-21swapper22:57:070
237119910563153063,52562cyclictest21294-21ssh23:21:140
23711995407833,53952cyclictest22269-21kworker/0:221:48:070
23711995385553385,470cyclictest0-21swapper21:58:500
23711995382153380,441cyclictest0-21swapper00:34:250
23711995376453425,339cyclictest0-21swapper22:54:260
23711995370327,53583cyclictest0-21swapper20:10:590
23711995366953368,238cyclictest0-21swapper21:09:360
23711995353426,0cyclictest0-21swapper23:59:050
23711995343914,53425cyclictest0-21swapper21:12:070
23711995338624,53362cyclictest0-21swapper22:08:030
23711995330826,0cyclictest0-21swapper21:03:440
23711995324626,53220cyclictest0-21swapper23:51:120
23711995315025,53125cyclictest0-21swapper19:36:390
23711995306525,53040cyclictest0-21swapper23:44:100
23711995293252885,45cyclictest0-21swapper00:37:460
237119948082753,2043cyclictest2679-21devkit-power-da21:53:590
237119924361102,1210cyclictest1907-21snmpd19:41:200
237119923461022,1196cyclictest24345-21ssh22:38:510
237119922471091,1032cyclictest9800-21ssh22:16:350
237119922391068,1045cyclictest19572-21rm21:44:160
237119921841092,998cyclictest5350irq/9-uhci_hcd:23:34:380
237119921681035,980cyclictest24524-21ssh23:25:550
237119921601028,1039cyclictest9-21ksoftirqd/022:22:170
237119921061081,931cyclictest0-21swapper23:15:420
237119920941037,1023cyclictest0-21swapper23:14:320
237119920671075,897cyclictest0-21swapper00:22:310
23711992027986,1007cyclictest0-21swapper19:47:420
23711992016979,1037cyclictest0-21swapper22:34:100
237119920021014,924cyclictest9-21ksoftirqd/019:27:160
237119919861020,873cyclictest134850irq/9-eth000:02:560
237119919761006,936cyclictest0-21swapper20:55:420
237119918821044,801cyclictest27298-21ssh00:19:000
23711991840926,900cyclictest25554-21kworker/u2:222:13:140
237119917721035,642cyclictest0-21swapper23:49:220
237119917411046,695cyclictest0-21swapper21:17:180
237119916371023,579cyclictest19953-21ssh00:07:370
237119916091033,487cyclictest134850irq/9-eth000:29:530
237119915971092,505cyclictest0-21swapper20:27:340
237119915681078,490cyclictest0-21swapper22:47:340
237119915481006,477cyclictest9-21ksoftirqd/019:31:580
237119911741007,167cyclictest0-21swapper19:23:450
23711991108609,495cyclictest378-21hwlatdetect-tra19:17:440
23711991027570,454cyclictest14429-21hwlatdetect-tra19:12:020
2902021340,1sleep029016-21grep19:08:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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