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2026-06-15 - 01:03
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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 Jun 14, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81800rcu_preempt0-21swapper/107:09:121
81740rcu_preempt0-21swapper/009:38:150
81730rcu_preempt31246-21df_abs09:14:080
89950720irq/17-ehci_hcd0-21swapper/010:50:160
81720rcu_preempt0-21swapper/011:29:160
81720rcu_preempt0-21swapper/010:59:190
89550710irq/17-ehci_hcd6099-21ssh09:26:171
81710rcu_preempt1174-21ssh10:18:230
81710rcu_preempt0-21swapper/012:08:590
81710rcu_preempt0-21swapper/007:29:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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