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2026-06-17 - 08:05
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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 Wed Jun 17, 2026 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
210059910613253039,53091cyclictest0-21swapper21:57:320
210059910613053042,53086cyclictest0-21swapper21:47:090
210059910611653025,53089cyclictest0-21swapper00:03:080
210059910609453014,53078cyclictest0-21swapper20:29:360
210059910607653003,53071cyclictest0-21swapper20:17:430
210059910605552969,53084cyclictest0-21swapper21:33:150
210059910601652930,53084cyclictest0-21swapper21:23:120
210059910581952921,52896cyclictest31844-21ssh23:57:560
210059910559752926,52669cyclictest5600-21ssh22:37:030
210059910547452993,52479cyclictest3950irq/9-acpi23:43:420
210059910545752930,52524cyclictest15951-21ssh22:50:570
210059910531552980,52332cyclictest18762-21ssh22:55:180
210059910528453053,52229cyclictest8804-21ssh22:41:140
210059910522652915,52309cyclictest18105-21ssh23:39:310
210059910520053081,52117cyclictest0-21swapper23:28:180
210059910515953027,52130cyclictest0-21swapper00:21:430
210059910515553057,52093cyclictest0-21swapper19:19:260
210059910514453048,52094cyclictest0-21swapper00:13:210
210059910514153029,52110cyclictest0-21swapper22:24:390
210059910513953052,52085cyclictest0-21swapper19:13:440
210059910513853036,52100cyclictest0-21swapper00:37:080
210059910513753030,52105cyclictest0-21swapper19:26:180
210059910513553033,52100cyclictest0-21swapper19:42:230
210059910511652924,52190cyclictest3950irq/9-acpi00:26:450
210059910510552993,52107cyclictest0-21swapper19:46:540
210059910508652999,52085cyclictest0-21swapper21:01:250
210059910508452972,52110cyclictest0-21swapper22:49:260
210059910508252961,52116cyclictest0-21swapper21:54:410
210059910506852974,52092cyclictest0-21swapper23:16:240
210059910506552960,52100cyclictest0-21swapper22:08:550
210059910506152948,52111cyclictest0-21swapper23:09:120
210059910504352934,52107cyclictest0-21swapper22:26:000
210059910502752912,52114cyclictest0-21swapper19:54:560
210059910502152942,52077cyclictest0-21swapper20:04:290
210059910501952924,52094cyclictest0-21swapper20:49:420
210059910500852923,52083cyclictest0-21swapper00:32:260
21005995304113,53025cyclictest2103-21ssh22:32:320
21005991917924,970cyclictest0-21swapper20:54:330
21005991518685,830cyclictest0-21swapper19:55:360
21005991504733,767cyclictest0-21swapper19:39:020
21005991485665,816cyclictest0-21swapper20:59:250
21005991473701,767cyclictest0-21swapper20:13:310
210059914351080,355cyclictest0-21swapper20:07:300
21005991399691,705cyclictest0-21swapper23:13:530
21005991362653,702cyclictest0-21swapper19:21:370
21005991357653,701cyclictest0-21swapper21:39:560
21005991347639,705cyclictest0-21swapper20:23:140
21005991344621,720cyclictest0-21swapper23:53:050
21005991298611,685cyclictest0-21swapper21:10:580
21005991293620,671cyclictest0-21swapper21:18:000
21005991291622,667cyclictest0-21swapper21:05:370
21005991272563,702cyclictest0-21swapper21:44:180
21005991244617,625cyclictest0-21swapper20:39:090
21005991237606,629cyclictest0-21swapper23:49:240
21005991234620,611cyclictest10449-21cstates22:00:120
21005991230607,621cyclictest0-21swapper19:34:300
21005991228563,662cyclictest0-21swapper00:16:420
21005991227602,623cyclictest0-21swapper20:42:200
21005991222596,624cyclictest0-21swapper22:16:370
21005991214595,617cyclictest0-21swapper23:01:500
21005991204706,489cyclictest6235-21diskmemload23:30:480
21005991202610,589cyclictest22556-21iostat_ios20:30:160
210059911731024,149cyclictest0-21swapper22:11:150
21005991132671,457cyclictest5942-21sh00:06:090
21005991117490,625cyclictest0-21swapper23:22:560
21005991081757,312cyclictest18962-21sh21:26:330
20380255288,211sleep00-21swapper19:06:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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