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2026-06-14 - 07:26
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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 376 highest latencies:
System rack6slot6 (updated Sun Jun 14, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
289569910688453473,53314cyclictest2099-21runrttasks23:40:270
289569910675953439,53253cyclictest0-21swapper20:19:490
289569910653653403,53068cyclictest0-21swapper20:52:180
289569910653353378,53090cyclictest0-21swapper23:58:120
289569910648453404,53080cyclictest0-21swapper19:56:020
289569910647253460,53012cyclictest0-21swapper00:30:410
289569910646653452,53014cyclictest0-21swapper21:14:040
289569910644653437,53009cyclictest0-21swapper21:05:320
289569910643053432,52998cyclictest0-21swapper23:25:220
289569910642853381,52954cyclictest0-21swapper20:56:490
289569910642153459,52899cyclictest9-21ksoftirqd/020:46:260
289569910639653463,52844cyclictest9-21ksoftirqd/020:33:030
289569910632953440,52825cyclictest3950irq/9-acpi22:19:030
289569910631753402,52915cyclictest0-21swapper21:46:440
289569910629753448,52783cyclictest0-21swapper20:06:350
289569910621553472,52743cyclictest0-21swapper20:26:110
289569910621453417,52797cyclictest0-21swapper20:40:550
289569910616453449,52715cyclictest0-21swapper22:39:490
289569910616453405,52759cyclictest0-21swapper23:03:160
289569910612053427,52693cyclictest0-21swapper22:05:090
289569910611053418,52692cyclictest0-21swapper20:24:300
289569910580352926,52875cyclictest27482-21ssh21:51:050
289569910514053025,52113cyclictest0-21swapper22:32:370
289569910510052982,52113cyclictest0-21swapper21:59:070
28956995364427,53525cyclictest0-21swapper23:39:260
28956995345026,53329cyclictest0-21swapper00:07:550
28956995331027,53216cyclictest0-21swapper00:25:300
28956995322425,53199cyclictest0-21swapper19:31:350
289569955402875,2656cyclictest1741-21hald19:23:330
289569939702411,1557cyclictest2679-21devkit-power-da22:03:090
289569926031094,1415cyclictest14704-21kworker/u2:021:39:120
289569924371057,1256cyclictest30448-21diskmemload21:18:360
289569924221030,1265cyclictest8305-21ssh21:24:270
289569923991035,1238cyclictest18459-21ssh23:11:380
289569922911067,1097cyclictest2099-21runrttasks22:42:200
289569922301009,1172cyclictest134850irq/9-eth023:32:440
28956992214982,1139cyclictest17604-21kworker/0:119:26:530
289569922101088,1055cyclictest3950irq/9-acpi21:43:430
289569922101039,1044cyclictest15168-21ssh21:34:200
289569921891041,1055cyclictest0-21swapper22:23:340
289569921261041,1051cyclictest0-21swapper22:55:030
289569921001028,1037cyclictest0-21swapper19:36:460
289569920841093,924cyclictest10862-1kworker/u3:200:03:230
289569920601000,1026cyclictest0-21swapper20:00:030
28956992049995,1019cyclictest0-21swapper21:26:280
289569920491061,865cyclictest826-21ssh22:46:110
289569920251016,921cyclictest3950irq/9-acpi23:24:020
28956992003981,1002cyclictest0-21swapper19:43:280
289569919651062,836cyclictest3950irq/9-acpi00:11:560
28956991956925,997cyclictest0-21swapper00:37:530
289569919421001,906cyclictest0-21swapper00:19:180
289569919331035,804cyclictest0-21swapper19:48:200
28956991912927,964cyclictest0-21swapper20:39:140
289569918241063,663cyclictest2099-21runrttasks23:19:510
289569917971091,641cyclictest3950irq/9-acpi19:54:210
289569917661052,616cyclictest2099-21runrttasks23:48:090
28956991765950,776cyclictest13821-21sh23:51:400
289569917381035,610cyclictest0-21swapper21:02:010
289569917111018,372cyclictest0-21swapper20:10:260
289569917001018,645cyclictest30448-21diskmemload22:28:160
28956991648995,616cyclictest2223-21ssh00:21:480
289569916471091,463cyclictest0-21swapper22:51:120
289569914221093,329cyclictest0-21swapper23:08:370
289569913961061,335cyclictest0-21swapper22:10:310
28956991039543,493cyclictest319-21iostat19:10:190
2895699995621,371cyclictest14104-21hwlatdetect-tra19:18:210
2512221950,2sleep014104-21hwlatdetect-tra19:09:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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