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2026-06-18 - 18:42
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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 Thu Jun 18, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
214709910747853440,53942cyclictest6472-21diskmemload09:57:040
214709910735953450,53786cyclictest17783-21ssh12:34:590
214709910720053476,53626cyclictest15334-21ssh09:21:540
214709910673453477,53166cyclictest0-21swapper07:57:090
214709910672653468,53258cyclictest0-21swapper09:39:290
214709910670353441,53197cyclictest134850irq/9-eth012:16:340
214709910650353469,53034cyclictest0-21swapper10:20:000
214709910648153425,53056cyclictest0-21swapper11:19:380
214709910647853417,53061cyclictest0-21swapper12:12:230
214709910646353420,52978cyclictest134850irq/9-eth009:13:510
214709910645753406,53051cyclictest0-21swapper11:28:300
214709910645153448,53003cyclictest0-21swapper12:27:370
214709910642153428,52993cyclictest0-21swapper10:45:580
214709910641353430,52983cyclictest0-21swapper07:41:250
214709910638553401,52984cyclictest0-21swapper08:41:020
214709910627953428,52757cyclictest0-21swapper07:24:500
214709910627053395,52810cyclictest0-21swapper07:28:110
214709910622053471,52749cyclictest0-21swapper09:07:290
214709910618753476,52711cyclictest0-21swapper08:18:150
214709910617753443,52734cyclictest0-21swapper07:52:480
214709910617453451,52723cyclictest0-21swapper10:54:200
214709910616353447,52716cyclictest0-21swapper08:04:210
214709910614253392,52750cyclictest0-21swapper11:47:160
214709910585253056,52794cyclictest11877-21ssh10:04:560
214709910544753167,52280cyclictest0-21swapper12:09:520
214709910506352967,52094cyclictest0-21swapper09:28:460
21470995335125,53234cyclictest8931-21kworker/0:111:36:530
21470995307125,53046cyclictest0-21swapper07:47:460
21470995276526,52739cyclictest0-21swapper11:20:480
214709923381057,1213cyclictest134850irq/9-eth010:29:530
214709923191051,1177cyclictest3950irq/9-acpi10:24:420
214709922391063,1050cyclictest27045-21ssh11:13:460
214709922381074,1039cyclictest2099-21runrttasks08:07:220
214709922261074,1056cyclictest9-21ksoftirqd/009:45:000
214709921761002,1140cyclictest0-21swapper10:55:200
214709920941021,1038cyclictest14102-21ssh11:41:040
214709920231037,866cyclictest0-21swapper09:00:470
21470991987972,977cyclictest2099-21runrttasks08:47:040
214709919641087,786cyclictest3950irq/9-acpi10:09:270
21470991958961,961cyclictest3129-21ssh10:38:560
214709919211090,711cyclictest0-21swapper08:38:410
214709918911024,831cyclictest30983-21ssh10:31:440
214709918831085,671cyclictest21763-21ssh09:30:560
214709918201084,645cyclictest9-21ksoftirqd/009:16:320
214709917981061,638cyclictest2099-21runrttasks11:56:180
214709917161078,638cyclictest0-21swapper11:34:420
214709916931023,633cyclictest32487-21ssh09:46:510
214709916801093,587cyclictest0-21swapper08:32:090
214709916781090,588cyclictest0-21swapper08:55:160
214709916761092,584cyclictest0-21swapper07:17:180
214709916581083,575cyclictest0-21swapper11:00:320
214709916571026,597cyclictest9-21ksoftirqd/010:43:170
214709916491100,454cyclictest0-21swapper08:20:460
214709916431095,456cyclictest0-21swapper07:37:440
214709916061093,448cyclictest9-21ksoftirqd/010:12:280
214709915821080,438cyclictest9-21ksoftirqd/012:04:200
214709915661087,389cyclictest3950irq/9-acpi07:14:370
214709915661010,465cyclictest0-21swapper07:33:420
214709915651091,383cyclictest9-21ksoftirqd/012:35:590
214709915621024,443cyclictest0-21swapper12:20:350
214709915481025,523cyclictest0-21swapper08:53:560
214709915351018,510cyclictest0-21swapper08:25:270
214709914931096,397cyclictest0-21swapper08:12:130
214709914501030,420cyclictest0-21swapper09:54:230
214709914441047,397cyclictest0-21swapper11:51:170
214709914321083,349cyclictest0-21swapper11:09:450
20578253874,207sleep00-21swapper07:05:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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