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2025-12-07 - 18:23
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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 Sun Dec 07, 2025 12:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
314339910705253417,53569cyclictest0-21swapper12:25:440
314339910668353446,53237cyclictest0-21swapper09:42:070
314339910667953439,53240cyclictest0-21swapper10:11:250
314339910667553477,53132cyclictest0-21swapper12:36:070
314339910664853465,53120cyclictest9-21ksoftirqd/007:43:430
314339910652653477,53049cyclictest0-21swapper07:35:300
314339910652553478,53047cyclictest0-21swapper09:28:130
314339910651153473,53038cyclictest0-21swapper10:23:590
314339910650253404,53001cyclictest1911-21snmpd07:16:450
314339910650153469,53032cyclictest0-21swapper10:39:530
314339910647853419,53059cyclictest0-21swapper10:16:470
314339910646753451,53016cyclictest0-21swapper11:39:100
314339910645853450,53008cyclictest0-21swapper08:46:110
314339910644953448,53001cyclictest0-21swapper12:14:310
314339910644953402,53047cyclictest0-21swapper08:28:560
314339910644653444,53002cyclictest0-21swapper11:33:190
314339910643853398,53040cyclictest0-21swapper11:47:530
314339910619253475,52717cyclictest0-21swapper07:56:260
314339910617953456,52723cyclictest0-21swapper07:30:590
314339910613953432,52707cyclictest0-21swapper08:14:410
314339910589052975,52913cyclictest10724-21ssh11:12:530
314339910587753066,52809cyclictest5678-21ssh09:38:560
314339910559252925,52665cyclictest9007-21ssh11:54:550
314339910519153077,52112cyclictest0-21swapper10:49:160
31433995368525,53660cyclictest0-21swapper08:07:190
31433995356026,0cyclictest0-21swapper09:10:070
31433995317525,0cyclictest22862-21kworker/u2:110:41:440
31433995307527,53048cyclictest0-21swapper11:41:310
31433995305525,53030cyclictest0-21swapper09:55:300
31433995296526,52847cyclictest9-21ksoftirqd/012:31:250
31433995281729,52788cyclictest0-21swapper09:04:060
31433995273621,52715cyclictest0-21swapper08:54:330
314339946452408,2237cyclictest2739-21devkit-power-da08:22:040
314339925771095,1352cyclictest32333-21ssh10:58:390
314339925081098,1286cyclictest2103-21runrttasks09:53:000
314339924701080,1266cyclictest2103-21runrttasks12:17:510
314339922831039,1151cyclictest0-21swapper12:21:430
314339922381045,1064cyclictest15287-21ssh11:19:350
314339922261038,1095cyclictest0-21swapper11:07:110
314339922121031,1060cyclictest0-21swapper07:49:140
314339922101036,1139cyclictest0-21swapper12:02:070
314339920721035,944cyclictest3950irq/9-acpi09:31:130
31433992029985,1010cyclictest0-21swapper10:52:570
31433992024985,1004cyclictest0-21swapper08:58:440
31433992003973,992cyclictest21768-21ssh09:16:090
31433991979970,972cyclictest2103-21runrttasks09:22:210
314339919511044,813cyclictest0-21swapper08:39:180
314339919471043,810cyclictest0-21swapper07:29:380
314339919411040,809cyclictest0-21swapper12:05:480
314339919281033,773cyclictest0-21swapper07:24:070
314339919191064,763cyclictest17112sleep008:34:570
314339918981087,711cyclictest1826-21hald-addon-acpi11:58:460
31433991891997,886cyclictest3167-21kworker/0:210:31:510
314339918831016,830cyclictest12587-21ssh09:47:580
314339918661024,524cyclictest0-21swapper11:28:070
314339918511084,642cyclictest9067-21ssh10:26:290
314339917391029,619cyclictest11-21rcu_preempt08:43:000
31433991723934,753cyclictest17416-21diskmemload11:21:350
314339916801062,618cyclictest0-21swapper08:03:180
314339916791036,553cyclictest31432-21cyclictest07:14:540
314339916521074,578cyclictest0-21swapper07:54:260
314339914991098,401cyclictest0-21swapper08:19:430
314339914981097,401cyclictest0-21swapper09:05:260
314339914441049,395cyclictest0-21swapper11:04:200
314339914101076,334cyclictest0-21swapper10:05:530
314339913921018,374cyclictest0-21swapper10:03:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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