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2026-06-09 - 19:18
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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 Tue Jun 09, 2026 12:46:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
369623199380378,1cyclictest3745197-21kworker/0:208:55:010
369623199380378,1cyclictest3658249-21kworker/0:108:24:010
369623199379378,1cyclictest3658249-21kworker/0:108:28:020
369623199379377,1cyclictest0-21swapper/010:17:010
369623199378377,1cyclictest3658249-21kworker/0:108:08:010
369623199378376,1cyclictest3658249-21kworker/0:107:50:020
369623199377375,2cyclictest3658249-21kworker/0:107:12:020
369623199377375,1cyclictest3745197-21kworker/0:208:46:020
369623199377375,1cyclictest3658249-21kworker/0:107:44:010
369623199375373,1cyclictest3745197-21kworker/0:209:21:020
369623999374372,1cyclictest0-21swapper/111:45:021
369623199374373,1cyclictest3658249-21kworker/0:108:18:010
369623199374372,1cyclictest3793320-21kworker/0:109:57:010
369623199373372,1cyclictest3808383-21kworker/0:011:27:010
369623199373372,1cyclictest3808383-21kworker/0:011:19:010
369623199373372,1cyclictest3745197-21kworker/0:209:14:010
369623199372371,1cyclictest3808383-21kworker/0:012:11:020
369623199372371,1cyclictest3808383-21kworker/0:010:43:020
369623199372371,1cyclictest3808383-21kworker/0:010:22:020
369623199372371,1cyclictest3745197-21kworker/0:209:32:010
369623199372371,1cyclictest3745197-21kworker/0:209:16:010
369623199372371,1cyclictest3658249-21kworker/0:107:48:020
369623199372370,1cyclictest3808383-21kworker/0:012:23:020
369623199371370,1cyclictest3808383-21kworker/0:011:44:020
369623199371370,1cyclictest3658249-21kworker/0:107:57:010
369625799370369,1cyclictest3711869-21kworker/3:208:37:023
369625799370367,3cyclictest3778287-21kworker/3:010:35:013
369623199370369,1cyclictest3889599-21kworker/0:112:36:010
369623199370369,1cyclictest3745197-21kworker/0:209:27:010
369625799368366,1cyclictest97550irq/166-enp0s3111:35:013
369625799368366,1cyclictest97550irq/166-enp0s3110:05:013
369627299367366,1cyclictest3736177-21kworker/5:211:45:025
369625799366364,1cyclictest97550irq/166-enp0s3110:13:023
369625799366364,1cyclictest97550irq/166-enp0s3107:23:023
369625799365363,1cyclictest97550irq/166-enp0s3112:21:023
369625799365363,1cyclictest97550irq/166-enp0s3112:05:023
369625799365363,1cyclictest97550irq/166-enp0s3111:33:013
369625799365363,1cyclictest97550irq/166-enp0s3111:33:013
369625799365363,1cyclictest97550irq/166-enp0s3107:11:023
369625799364363,1cyclictest97550irq/166-enp0s3108:29:013
369625799364362,1cyclictest97550irq/166-enp0s3112:35:013
369625799364362,1cyclictest97550irq/166-enp0s3111:15:013
369625799364362,1cyclictest97550irq/166-enp0s3108:13:013
369625799364362,1cyclictest97550irq/166-enp0s3108:05:013
369625799364362,1cyclictest97550irq/166-enp0s3107:45:013
369625799364362,1cyclictest97550irq/166-enp0s3107:43:013
369625799364362,1cyclictest97550irq/166-enp0s3107:35:013
369625799363362,1cyclictest97550irq/166-enp0s3112:13:023
369625799363362,1cyclictest97550irq/166-enp0s3110:55:013
369625799363362,1cyclictest97550irq/166-enp0s3109:03:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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