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2026-07-12 - 07:56
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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 12, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89950810irq/17-ehci_hcd9373-21cpu00:31:240
81770rcu_preempt27354-21munin-run22:16:101
81740rcu_preempt24119-21sh00:00:031
81730rcu_preempt19891-21wc22:56:381
81730rcu_preempt15324-21if_eth020:41:291
81720rcu_preempt9108-21sh21:45:181
81720rcu_preempt30488-21latency_hist23:16:101
81720rcu_preempt0-21swapper/121:31:101
81710rcu_preempt25333-21ps19:11:340
81710rcu_preempt0-21swapper/121:50:091
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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