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2026-05-30 - 17:20
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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 Sat May 30, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81780rcu_preempt0-21swapper/107:11:121
81770rcu_preempt3357-21ssh12:24:150
81770rcu_preempt26894-21ntp_states12:08:001
81750rcu_preempt5337-21ssh11:27:571
81750rcu_preempt28818-21idleruntime-cro10:12:361
81740rcu_preempt18931-21ntp_states09:53:000
89950730irq/17-ehci_hcd945-21usb-storage12:35:081
81730rcu_preempt31603-21cpuspeed_turbos07:17:501
81710rcu_preempt28715-21sh11:12:291
81710rcu_preempt0-21swapper/109:45:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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