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2025-11-08 - 22:35
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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 Sat Nov 08, 2025 12:53:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71670rcu_preempt0-21swapper/210:54:312
71670rcu_preempt0-21swapper/210:54:312
71490rcu_preempt21545-21copy09:32:233
71490rcu_preempt21545-21copy09:32:233
71430rcu_preempt0-21swapper/207:56:532
71430rcu_preempt0-21swapper/207:56:532
71430rcu_preempt0-21swapper/111:12:351
71430rcu_preempt0-21swapper/111:12:351
71420rcu_preempt0-21swapper/312:42:293
71420rcu_preempt0-21swapper/312:42:293
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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