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2026-07-19 - 06:33
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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 Jul 19, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1899299210776105323,105451cyclictest0-21swapper23:36:190
189929910692153393,53463cyclictest21925-1kworker/u3:100:17:210
189929910676353383,53316cyclictest9-21ksoftirqd/021:04:550
189929910665853466,53127cyclictest0-21swapper22:50:560
189929910662253412,53210cyclictest0-21swapper21:42:560
189929910654053385,53090cyclictest0-21swapper22:32:300
189929910649953414,53085cyclictest0-21swapper20:22:530
189929910647253414,53058cyclictest0-21swapper23:17:540
189929910645053447,53003cyclictest0-21swapper22:15:260
189929910642853432,52996cyclictest0-21swapper19:52:140
189929910639953418,52981cyclictest0-21swapper21:17:190
189929910629953392,52841cyclictest0-21swapper20:58:430
189929910625853367,52868cyclictest1993-21lldpd22:41:230
189929910624853386,52798cyclictest0-21swapper20:19:520
189929910622653481,52745cyclictest0-21swapper20:12:000
189929910619553401,52758cyclictest0-21swapper19:34:590
189929910619453421,52773cyclictest0-21swapper19:43:320
189929910618953462,52727cyclictest0-21swapper22:00:310
189929910618853477,52711cyclictest0-21swapper20:27:450
189929910616553465,52700cyclictest0-21swapper19:39:510
189929910615553402,52753cyclictest0-21swapper23:07:510
189929910614353435,52708cyclictest0-21swapper20:09:590
189929910609053002,53086cyclictest0-21swapper23:46:520
189929910592553391,52521cyclictest0-21swapper00:35:060
189929910515753060,52095cyclictest0-21swapper23:27:560
18992995337127,53344cyclictest0-21swapper20:38:380
18992995336130,0cyclictest30730-21ssh22:27:490
18992995333225,53307cyclictest0-21swapper21:10:570
18992995311730,53087cyclictest0-21swapper00:32:250
18992995305425,53029cyclictest0-21swapper20:51:110
18992995305328,52932cyclictest0-21swapper21:31:130
18992995280030,52678cyclictest0-21swapper20:46:300
189929925441089,1353cyclictest27057-21ssh21:35:340
189929925431105,1311cyclictest8239-21diskmemload23:02:290
189929924131094,1252cyclictest3950irq/9-acpi23:33:580
189929923991063,1243cyclictest9-21ksoftirqd/020:43:090
189929923511010,1217cyclictest3710-21ssh23:21:040
189929922251023,1108cyclictest0-21swapper20:00:570
189929921201018,1065cyclictest172652sleep021:22:000
189929921041011,1056cyclictest6035-21ssh22:39:020
18992992085981,1100cyclictest0-21swapper00:28:240
189929919951027,933cyclictest0-21swapper22:08:340
189929919851090,830cyclictest3950irq/9-acpi00:08:180
189929919811029,860cyclictest0-21swapper22:23:580
189929919641020,852cyclictest0-21swapper23:10:410
189929919171043,781cyclictest0-21swapper21:46:170
189929918941014,844cyclictest11923-21ssh22:46:450
18992991889931,942cyclictest2099-21runrttasks21:54:190
189929918641027,770cyclictest3950irq/9-acpi00:14:400
189929917431069,584cyclictest3950irq/9-acpi23:57:150
189929917381098,640cyclictest0-21swapper22:59:380
189929917371065,582cyclictest0-21swapper19:59:160
189929917191079,640cyclictest0-21swapper23:52:230
189929917151065,650cyclictest0-21swapper21:27:320
189929917061021,592cyclictest0-21swapper19:49:330
189929916931075,618cyclictest0-21swapper21:57:100
189929916661098,504cyclictest18981-21cyclictest20:31:050
189929916641077,587cyclictest0-21swapper19:27:270
189929914981093,405cyclictest0-21swapper23:44:210
18992991487720,764cyclictest0-21swapper22:11:240
189929914871003,419cyclictest0-21swapper00:21:420
189929914841065,419cyclictest0-21swapper19:24:560
189929914511049,402cyclictest0-21swapper21:05:350
189929914301026,404cyclictest0-21swapper00:02:060
18992991189612,572cyclictest6058-21hwlatdetect-tra19:18:240
18992991174602,569cyclictest21551-21grep19:10:120
741421060,1sleep07415-21hwlatdetect-tra19:05:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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