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2026-06-22 - 09:55
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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 rackcslot3.osadl.org (updated Mon Jun 22, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89950830irq/17-ehci_hcd28939-21diskmemload23:41:241
81830rcu_preempt0-21swapper/119:09:491
81790rcu_preempt19-21ksoftirqd/100:18:271
81750rcu_preempt0-21swapper/022:41:460
81730rcu_preempt8047-21ssh23:34:540
81730rcu_preempt19-21ksoftirqd/123:28:071
81720rcu_preempt0-21swapper/023:00:400
81710rcu_preempt26835-21ssh00:09:570
81710rcu_preempt0-21swapper/000:25:140
81710rcu_preempt0-21swapper/000:04:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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