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2026-05-23 - 14:44
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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 23, 2026 00:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89950820irq/17-ehci_hcd14175-21ntp_states22:12:211
81750rcu_preempt28858-21lsb_release21:40:481
81750rcu_preempt11546-21ps21:12:221
89950740irq/17-ehci_hcd945-21usb-storage22:40:081
81740rcu_preempt17260-21strings23:17:191
81730rcu_preempt10455-21diskmemload00:24:020
81720rcu_preempt18091-21sh21:23:380
81720rcu_preempt10455-21diskmemload23:59:210
81720rcu_preempt0-21swapper/120:37:101
81720rcu_preempt0-21swapper/119:37:091
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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