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2026-07-30 - 00:21
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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 29, 2026 12:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89550740irq/17-ehci_hcd440-21diskmemload10:14:470
89950730irq/17-ehci_hcd18363-21if_eth110:47:561
81730rcu_preempt31738-21if_eth110:12:581
81730rcu_preempt25387-21latency_hist08:47:381
81730rcu_preempt16711-21kworker/1:207:13:031
81710rcu_preempt31791-21apt-esm-hook09:12:521
81710rcu_preempt25389-21sshd11:00:491
81710rcu_preempt0-21swapper/110:17:381
81710rcu_preempt0-21swapper/011:16:530
81700rcu_preempt0-21swapper/109:30:501
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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