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2026-01-07 - 17:39
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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 Wed Jan 07, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2482699210835105371,105462cyclictest0-21swapper10:11:560
2482699209875105379,104494cyclictest0-21swapper08:30:570
248269910711653394,53601cyclictest31938-21ssh10:28:110
248269910695753434,53523cyclictest0-21swapper12:03:080
248269910686853436,53340cyclictest0-21swapper12:08:090
248269910685153392,53424cyclictest26307-21ssh11:06:120
248269910676453474,53199cyclictest0-21swapper08:52:530
248269910666553394,53183cyclictest3950irq/9-acpi09:50:000
248269910664753418,53163cyclictest0-21swapper07:49:250
248269910664053418,53222cyclictest0-21swapper10:03:130
248269910654453388,53066cyclictest0-21swapper09:26:330
248269910652553457,53068cyclictest0-21swapper09:10:480
248269910652053479,53041cyclictest0-21swapper10:35:530
248269910652053479,53041cyclictest0-21swapper10:20:380
248269910650353469,53034cyclictest0-21swapper11:53:050
248269910648153427,53054cyclictest0-21swapper08:12:320
248269910647653477,52999cyclictest0-21swapper12:35:470
248269910644353399,53044cyclictest0-21swapper12:13:210
248269910642853419,53009cyclictest0-21swapper08:07:100
248269910636053464,52834cyclictest5350irq/9-uhci_hcd:11:44:230
248269910632753464,52863cyclictest0-21swapper12:19:230
248269910629553424,52807cyclictest9-21ksoftirqd/008:55:440
248269910618353391,52756cyclictest0-21swapper09:01:460
248269910618153412,52769cyclictest0-21swapper09:07:470
248269910617853413,52765cyclictest0-21swapper08:36:590
248269910617753451,52726cyclictest0-21swapper07:16:150
248269910613653436,52700cyclictest0-21swapper11:13:040
248269910612253424,52698cyclictest0-21swapper10:15:470
248269910602652950,53074cyclictest0-21swapper10:58:190
248269910566252948,52712cyclictest16463-21ssh10:52:180
248269910559653006,52587cyclictest13065-21ssh10:47:260
248269910533652978,52355cyclictest16647-21taskset12:25:440
248269910532252972,52348cyclictest16325-21ssh11:39:410
248269910506552980,52083cyclictest0-21swapper07:57:370
248269910496552899,52064cyclictest0-21swapper09:23:320
24826995403925,0cyclictest9850-21diskmemload12:30:360
24826995382431,0cyclictest6996-21ssh09:51:200
24826995360826,53489cyclictest0-21swapper08:27:160
24826995318224,53068cyclictest9-21ksoftirqd/008:23:350
2482699531088,53098cyclictest0-21swapper11:30:290
24826995308624,53062cyclictest0-21swapper07:44:030
24826995306027,53033cyclictest0-21swapper11:16:350
24826995304725,53022cyclictest0-21swapper07:29:490
248269925571078,1379cyclictest9211-21ssh10:41:340
248269925041101,1304cyclictest2099-21runrttasks07:23:580
248269924881089,1302cyclictest440-21ssh09:42:270
248269923191039,1188cyclictest3950irq/9-acpi11:49:440
248269923021031,1178cyclictest0-21swapper10:08:150
248269920761037,944cyclictest134850irq/9-eth010:33:120
248269920611021,1006cyclictest0-21swapper11:57:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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