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2026-07-05 - 23:22
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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 Sun Jul 05, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81810rcu_preempt0-21swapper/011:55:060
89950790irq/17-ehci_hcd19-21ksoftirqd/109:18:321
81780rcu_preempt0-21swapper/010:07:520
146650760irq/31-eth0-tx-5426-21ssh09:16:150
146650730irq/31-eth0-tx-0-21swapper/009:45:550
81720rcu_preempt3975-21diskmemload11:30:241
81720rcu_preempt0-21swapper/008:05:550
81710rcu_preempt3975-21diskmemload10:33:540
81710rcu_preempt0-21swapper/008:40:560
81710rcu_preempt0-21swapper/007:40:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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