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2026-07-22 - 19:32
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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 Wed Jul 22, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81800rcu_preempt0-21swapper/107:12:281
81750rcu_preempt31913-21memory10:17:231
81730rcu_preempt31544-21ssh12:10:220
81730rcu_preempt2270-21rm12:15:490
81730rcu_preempt19393-21ssh09:56:420
81730rcu_preempt0-21swapper/009:29:090
89950720irq/17-ehci_hcd945-21usb-storage07:14:260
81720rcu_preempt3176-21processes09:27:291
81720rcu_preempt0-21swapper/110:32:211
81710rcu_preempt0-21swapper/110:22:291
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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