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2026-01-10 - 06:30
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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 Sat Jan 10, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4689910712153458,53567cyclictest1184-21ssh23:07:590
4689910708653422,53600cyclictest3950irq/9-acpi22:04:110
4689910681853438,53283cyclictest18396-21runrttasks19:50:420
4689910681353337,53463cyclictest0-21swapper23:17:420
4689910660653475,53131cyclictest0-21swapper21:08:450
4689910653353410,53058cyclictest9-21ksoftirqd/021:28:500
4689910651953430,53089cyclictest0-21swapper23:20:330
4689910649653408,53088cyclictest0-21swapper23:43:390
4689910647453422,53052cyclictest0-21swapper22:15:440
4689910646453410,53054cyclictest0-21swapper23:26:540
4689910645353402,53051cyclictest0-21swapper23:55:030
4689910643953442,52997cyclictest0-21swapper20:08:570
4689910643853396,53042cyclictest0-21swapper19:19:030
4689910642653443,52983cyclictest0-21swapper22:37:300
4689910641053438,52880cyclictest11-21rcu_preempt21:58:090
4689910625253385,52802cyclictest0-21swapper19:43:400
4689910623753447,52790cyclictest0-21swapper19:25:050
4689910623153476,52755cyclictest0-21swapper20:53:500
4689910619153469,52722cyclictest0-21swapper19:38:290
4689910618753421,52766cyclictest0-21swapper20:11:280
4689910618153457,52724cyclictest0-21swapper20:23:010
4689910617953458,52721cyclictest0-21swapper19:46:310
4689910616753446,52721cyclictest0-21swapper19:33:170
4689910616453445,52719cyclictest0-21swapper19:58:340
4689910614453054,53088cyclictest0-21swapper21:47:460
4689910613653431,52705cyclictest0-21swapper22:24:370
4689910610953026,53081cyclictest0-21swapper22:42:320
4689910610153006,53090cyclictest0-21swapper00:17:290
468995408553391,694cyclictest0-21swapper23:50:210
468995392853463,465cyclictest0-21swapper21:37:430
468995390353376,462cyclictest0-21swapper00:23:010
468995372153449,209cyclictest2135-21ssh21:34:120
468995371753444,208cyclictest134850irq/9-eth023:49:410
468995361427,53465cyclictest0-21swapper00:38:250
468995360653456,150cyclictest0-21swapper20:02:560
468995338128,53353cyclictest2099-21runrttasks00:11:170
468995321824,53194cyclictest0-21swapper20:57:410
468995319826,385cyclictest0-21swapper20:15:290
468995310915,53081cyclictest134850irq/9-eth022:46:030
468995308127,53054cyclictest0-21swapper22:55:050
468995306125,53036cyclictest0-21swapper23:10:500
468995278726,52761cyclictest0-21swapper21:01:230
4689925472532,12cyclictest2679-21devkit-power-da22:52:350
4689921941093,1001cyclictest26480-21ssh00:32:430
4689921751102,950cyclictest2099-21runrttasks19:14:420
468992116999,1096cyclictest0-21swapper21:10:250
4689920811100,914cyclictest3950irq/9-acpi21:21:180
4689920581022,1002cyclictest0-21swapper00:28:520
468992047997,1016cyclictest0-21swapper20:48:490
4689920441073,881cyclictest3950irq/9-acpi21:18:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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