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2026-08-21 - 15:40
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 10 highest latencies:
System rackfslot0.osadl.org (updated Fri Aug 21, 2026 00:57:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19543109919787,79cyclictest0-21swapper/2223:15:1815
19543109919787,79cyclictest0-21swapper/2223:15:1715
19542549917284,62cyclictest1468680-21kworker/u64:1+efi_rts_wq19:30:151
19542859916785,58cyclictest2113964-21kworker/u64:0+efi_rts_wq23:10:174
19542859916785,58cyclictest2113964-21kworker/u64:0+efi_rts_wq23:10:164
19542749916680,62cyclictest0-21swapper/819:30:1530
19543019916578,19cyclictest0-21swapper/1722:25:189
19543019916578,19cyclictest0-21swapper/1722:25:189
195428199164152,2cyclictest0-21swapper/1123:50:193
19543159916382,6cyclictest0-21swapper/2719:50:1720
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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