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2026-04-05 - 14:57
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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 Apr 05, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
277039910733853427,53787cyclictest7877-21ssh10:38:480
277039910714653415,53666cyclictest0-21swapper07:21:110
277039910666953399,53270cyclictest0-21swapper10:49:010
277039910659853408,53100cyclictest9-21ksoftirqd/011:09:070
277039910658853419,53080cyclictest0-21swapper08:06:540
277039910654253437,53016cyclictest3950irq/9-acpi09:13:130
277039910652653445,53081cyclictest0-21swapper09:55:560
277039910652653395,53131cyclictest0-21swapper09:02:100
277039910650053400,53100cyclictest0-21swapper07:47:590
277039910648153458,53023cyclictest0-21swapper10:02:580
277039910647753471,53006cyclictest0-21swapper08:50:370
277039910645253403,53049cyclictest0-21swapper07:35:150
277039910645053403,53047cyclictest0-21swapper09:34:290
277039910643053448,52982cyclictest0-21swapper08:15:270
277039910642453431,52993cyclictest0-21swapper09:20:450
277039910640953427,52982cyclictest0-21swapper11:11:270
277039910629653414,52818cyclictest9-21ksoftirqd/011:48:080
277039910628753454,52833cyclictest0-21swapper09:06:310
277039910626653461,52805cyclictest0-21swapper07:44:180
277039910625053411,52748cyclictest0-21swapper08:01:230
277039910622153473,52748cyclictest0-21swapper08:31:410
277039910618753471,52716cyclictest0-21swapper11:43:270
277039910618053457,52723cyclictest0-21swapper08:13:360
277039910617853411,52767cyclictest0-21swapper07:13:190
277039910617053463,52707cyclictest0-21swapper08:59:190
277039910614253394,52748cyclictest0-21swapper07:58:420
277039910531853032,52283cyclictest0-21swapper09:17:550
277039910507352957,52115cyclictest0-21swapper11:22:310
277039910500352905,52096cyclictest0-21swapper12:23:080
27703995399953378,557cyclictest9-21ksoftirqd/011:28:520
27703995393953374,500cyclictest0-21swapper09:52:150
27703995364153466,175cyclictest0-21swapper08:27:100
27703995362553448,177cyclictest0-21swapper08:49:470
27703995361953403,216cyclictest0-21swapper08:43:450
27703995359653445,151cyclictest0-21swapper07:32:440
27703995357717,0cyclictest0-21swapper12:11:450
27703995348027,0cyclictest0-21swapper10:19:520
27703995343426,53281cyclictest3478-21ssh12:08:240
27703995342524,53401cyclictest0-21swapper11:16:490
27703995326725,0cyclictest23900-21ssh12:39:030
2770399532065,53197cyclictest0-21swapper11:31:430
27703995295352931,21cyclictest0-21swapper09:38:100
27703995284726,52821cyclictest0-21swapper07:51:100
27703995276924,52745cyclictest0-21swapper09:42:420
277039949092666,2240cyclictest1741-21hald08:22:090
277039924041083,1195cyclictest9905-21rm12:17:460
277039924001086,1216cyclictest12637-21diskmemload10:27:150
277039922301097,1004cyclictest12637-21diskmemload10:44:500
277039922081056,1058cyclictest0-21swapper11:55:000
277039921231013,990cyclictest192752sleep010:06:590
277039921171038,983cyclictest9-21ksoftirqd/011:56:400
277039920591004,1020cyclictest0-21swapper12:30:000
277039920191040,880cyclictest15840-21sh11:38:550
277039919941028,871cyclictest0-21swapper07:27:530
277039919811024,861cyclictest2099-21runrttasks10:55:030
277039919751078,770cyclictest22415-21ssh10:11:300
277039919711027,852cyclictest0-21swapper12:33:410
277039919321061,779cyclictest0-21swapper08:38:330
277039917871033,718cyclictest23792-21ssh11:01:550
277039917211085,636cyclictest0-21swapper10:33:060
277039917051091,522cyclictest621-21ssh12:04:530
277039916771063,614cyclictest0-21swapper09:26:370
27703991566960,589cyclictest0-21swapper10:22:230
277039915551033,431cyclictest9-21ksoftirqd/009:45:020
27703991516734,778cyclictest0-21swapper10:52:120
277039914561092,364cyclictest0-21swapper07:17:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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