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2026-05-02 - 01:31
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rackbslot6.osadl.org (updated Fri May 01, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2560521700,3sleep0906799cyclictest12:59:230
1376821690,4sleep1907299cyclictest13:20:401
1376821690,4sleep1907299cyclictest13:20:401
1068911640,47ptp4l19813-21kworker/3:008:23:233
2814521600,5sleep1907299cyclictest09:03:011
2497721420,3sleep2907799cyclictest12:58:202
9082996552,6cyclictest41-21ksoftirqd/309:42:433
9082996451,6cyclictest41-21ksoftirqd/313:42:503
86942644,10sleep00-21swapper/008:23:570
106891640,1ptp4l401ktimersoftd/313:12:063
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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