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2026-06-06 - 09:10
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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, lowest P state: performance
Characteristics of the 50 highest latencies:
System rackcslot6.osadl.org (updated Sat Jun 06, 2026 00:46:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2330695993821,1cyclictest0-21swapper/721:00:027
2330695993810,1cyclictest0-21swapper/719:15:017
233069599380379,1cyclictest2604228-21kworker/7:100:04:017
233069599380379,1cyclictest2346165-21kworker/7:119:35:027
2330695993800,379cyclictest0-21swapper/723:18:027
2330695993800,379cyclictest0-21swapper/722:41:027
2330695993800,379cyclictest0-21swapper/722:31:027
2330695993800,379cyclictest0-21swapper/722:28:017
2330695993800,379cyclictest0-21swapper/722:12:027
2330695993800,379cyclictest0-21swapper/721:39:017
2330695993800,379cyclictest0-21swapper/721:26:017
2330695993800,379cyclictest0-21swapper/720:55:027
2330695993800,379cyclictest0-21swapper/700:20:017
2330695993800,1cyclictest0-21swapper/700:36:027
233069599379378,1cyclictest2391363-21kworker/7:221:09:027
2330695993790,1cyclictest0-21swapper/721:41:027
233069599378377,1cyclictest2346165-21kworker/7:120:18:017
233069599378377,1cyclictest2346165-21kworker/7:119:53:027
233069599378377,1cyclictest2346165-21kworker/7:119:49:017
233069599378376,1cyclictest0-21swapper/720:42:017
233069599377376,1cyclictest2346165-21kworker/7:120:14:017
233069599377376,1cyclictest2346165-21kworker/7:119:31:027
233069599377376,1cyclictest2333681-21kworker/7:019:24:027
233069599377376,1cyclictest0-21swapper/720:36:027
233069599377376,1cyclictest0-21swapper/720:21:027
233069599377376,1cyclictest0-21swapper/720:04:027
233069599377376,1cyclictest0-21swapper/719:27:027
233069599377376,1cyclictest0-21swapper/719:13:017
233069599377375,1cyclictest0-21swapper/720:29:027
233069599376375,1cyclictest0-21swapper/720:08:027
233069599376375,1cyclictest0-21swapper/719:56:027
233069599376375,1cyclictest0-21swapper/719:43:017
233066899341340,1cyclictest0-21swapper/300:31:023
233066899339337,1cyclictest2433810-21kworker/3:222:55:023
233066899338336,1cyclictest0-21swapper/323:58:023
233066899338336,1cyclictest0-21swapper/323:50:013
233066899338336,1cyclictest0-21swapper/323:12:013
233066899337336,1cyclictest0-21swapper/321:34:023
233066899336334,1cyclictest97550irq/166-enp0s3121:24:023
233066899336334,1cyclictest97550irq/166-enp0s3100:35:013
233066899336334,1cyclictest0-21swapper/322:38:023
233066899336334,1cyclictest0-21swapper/321:14:013
233066899335334,1cyclictest2433810-21kworker/3:222:27:013
233066899335334,1cyclictest0-21swapper/300:12:013
233066899335333,1cyclictest0-21swapper/323:45:013
233066899335333,1cyclictest0-21swapper/323:24:023
233066899334333,1cyclictest0-21swapper/321:45:013
233066899333331,1cyclictest2433810-21kworker/3:222:43:013
233066899332331,1cyclictest2433810-21kworker/3:222:50:013
233066899331330,1cyclictest2433810-21kworker/3:222:22:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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