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2026-05-09 - 03:09
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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 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
49211299363361,1cyclictest97550irq/166-enp0s3121:11:026
49211299363361,1cyclictest97550irq/166-enp0s3100:25:026
49211299362360,1cyclictest97550irq/166-enp0s3121:43:026
49211299362360,1cyclictest97550irq/166-enp0s3121:15:026
49211299362360,1cyclictest97550irq/166-enp0s3120:57:036
49211299362360,1cyclictest97550irq/166-enp0s3120:21:026
49211299362360,1cyclictest97550irq/166-enp0s3120:15:026
49211299362360,1cyclictest97550irq/166-enp0s3119:45:026
49211299362360,1cyclictest692802-21kworker/6:122:55:036
49211299361360,1cyclictest97550irq/166-enp0s3123:59:026
49211299361360,1cyclictest0-21swapper/623:11:026
49211299361359,1cyclictest97550irq/166-enp0s3120:45:026
49206599361360,1cyclictest0-21swapper/021:59:030
49206599361360,1cyclictest0-21swapper/000:03:030
49206599361360,1cyclictest0-21swapper/000:03:020
49206599361359,1cyclictest0-21swapper/000:13:020
49206599361358,2cyclictest725301-21kworker/0:123:27:030
49211299360356,3cyclictest453185-21kworker/6:019:11:036
49206599360358,1cyclictest0-21swapper/022:33:030
49211299359358,1cyclictest97550irq/166-enp0s3123:43:026
49211299359357,1cyclictest97550irq/166-enp0s3123:34:036
49211299359356,3cyclictest522993-21kworker/6:220:25:036
49206599359358,1cyclictest0-21swapper/020:03:030
49206599359357,1cyclictest725301-21kworker/0:123:23:030
49211299358357,1cyclictest0-21swapper/622:05:026
49211299358357,1cyclictest0-21swapper/621:01:036
49211299358356,1cyclictest97550irq/166-enp0s3121:05:026
49211299358356,1cyclictest97550irq/166-enp0s3120:05:026
49206599358357,1cyclictest0-21swapper/023:15:020
49206599358356,1cyclictest587791-21kworker/0:121:43:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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