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2026-07-21 - 18:11
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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 Tue Jul 21, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89950870irq/17-ehci_hcd945-21usb-storage07:12:151
81750rcu_preempt0-21swapper/009:39:570
81730rcu_preempt6371-21sh11:00:360
81730rcu_preempt23746-21ssh10:33:430
81730rcu_preempt10958-21ssh09:17:160
81710rcu_preempt2455-21sh11:48:351
81710rcu_preempt10303-21diskmemload11:02:031
81710rcu_preempt0-21swapper/012:27:170
81710rcu_preempt0-21swapper/012:02:390
81710rcu_preempt0-21swapper/011:46:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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