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2026-04-10 - 23:11
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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 rack4slot4.osadl.org (updated Fri Apr 10, 2026 12:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1935299552cyclictest1959-21runrttasks07:18:370
1935299552cyclictest1959-21runrttasks07:18:370
1935299542cyclictest16930-21latency_hist11:02:180
1935299542cyclictest16930-21latency_hist11:02:180
71530rcu_preempt0-21swapper/008:37:160
71530rcu_preempt0-21swapper/008:37:160
1935299533cyclictest0-21swapper/010:45:020
1935299533cyclictest0-21swapper/010:45:020
1935299533cyclictest0-21swapper/010:45:020
1935299533cyclictest0-21swapper/009:07:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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