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2025-11-09 - 17:30
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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 Nov 09, 2025 12:53:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71700rcu_preempt19059-21ntp_kernel_pll_11:27:501
71700rcu_preempt19059-21ntp_kernel_pll_11:27:501
71700rcu_preempt0-21swapper/311:14:543
71700rcu_preempt0-21swapper/311:14:543
71690rcu_preempt0-21swapper/010:55:390
71690rcu_preempt0-21swapper/010:55:390
2717999554cyclictest0-21swapper/012:42:430
2717999554cyclictest0-21swapper/012:42:430
2717999554cyclictest0-21swapper/011:27:510
2717999554cyclictest0-21swapper/011:27:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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