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2026-05-09 - 09:19
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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 20 highest latencies:
System rackcslot6.osadl.org (updated Sat May 09, 2026 00:46:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
49207199377376,1cyclictest0-21swapper/121:45:021
49206599368367,1cyclictest587791-21kworker/0:121:31:020
49211299367365,1cyclictest97550irq/166-enp0s3121:59:036
49211299367365,1cyclictest97550irq/166-enp0s3100:03:036
49211299367365,1cyclictest97550irq/166-enp0s3100:03:026
49211299366365,1cyclictest97550irq/166-enp0s3121:33:026
49211299366364,1cyclictest97550irq/166-enp0s3100:13:026
49211299365364,1cyclictest0-21swapper/621:35:026
49211299365363,1cyclictest97550irq/166-enp0s3123:35:036
49211299365363,1cyclictest97550irq/166-enp0s3123:27:036
49211299364363,1cyclictest0-21swapper/600:33:026
49211299364362,1cyclictest97550irq/166-enp0s3123:23:026
49211299364362,1cyclictest97550irq/166-enp0s3123:15:026
49211299364362,1cyclictest97550irq/166-enp0s3100:19:026
49211299364362,1cyclictest0-21swapper/621:21:036
49211299363362,1cyclictest97550irq/166-enp0s3120:03:036
49211299363362,1cyclictest632907-21kworker/6:222:27:026
49211299363361,1cyclictest97550irq/166-enp0s3122:41:026
49211299363361,1cyclictest97550irq/166-enp0s3122:19:026
49211299363361,1cyclictest97550irq/166-enp0s3121:11:026
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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