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2024-11-22 - 17:18
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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 20 highest latencies:
System rackcslot6.osadl.org (updated Fri Nov 22, 2024 00:46:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
270577423890,5sleep40-21swapper/419:05:104
270811399382380,1cyclictest2683249-21kworker/0:022:06:020
270816799381379,1cyclictest2955693-21kworker/7:223:53:037
2708113993810,380cyclictest0-21swapper/023:43:030
2708113993810,1cyclictest0-21swapper/022:58:030
270816799380378,1cyclictest2944099-21kworker/7:021:14:037
2708146993800,380cyclictest0-21swapper/423:34:024
2708146993800,380cyclictest0-21swapper/423:34:024
2708146993800,379cyclictest0-21swapper/422:00:024
270811399380378,1cyclictest2683249-21kworker/0:020:46:020
2708113993800,379cyclictest0-21swapper/022:54:020
2708113993800,379cyclictest0-21swapper/022:32:030
2708113993800,379cyclictest0-21swapper/021:31:030
2708113993800,379cyclictest0-21swapper/020:54:020
2708113993800,1cyclictest0-21swapper/023:58:020
270814699379377,1cyclictest2919791-21kworker/4:000:03:024
270811399379378,1cyclictest0-21swapper/021:51:020
270811399379377,1cyclictest2683249-21kworker/0:020:55:030
270811399379377,1cyclictest2683249-21kworker/0:019:53:020
270814699378377,1cyclictest0-21swapper/421:33:024
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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