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2026-05-31 - 18:34
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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 Sun May 31, 2026 12:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71480rcu_preempt0-21swapper/308:33:203
71480rcu_preempt0-21swapper/308:33:203
71460rcu_preempt25836-21sendmail-msp12:13:580
71460rcu_preempt25836-21sendmail-msp12:13:580
71460rcu_preempt0-21swapper/210:52:372
71460rcu_preempt0-21swapper/210:52:372
71440rcu_preempt1959-21runrttasks09:55:482
71440rcu_preempt1959-21runrttasks09:55:482
71440rcu_preempt1959-21runrttasks09:55:482
71430rcu_preempt0-21swapper/207:33:162
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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