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2026-03-17 - 05:16
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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 Mar 17, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81830rcu_preempt0-21swapper/119:09:301
81820rcu_preempt25365-21ssh22:44:280
81760rcu_preempt0-21swapper/023:39:250
89850720irq/17-ehci_hcd26180-21diskstats21:44:291
81710rcu_preempt0-21swapper/119:29:381
81710rcu_preempt0-21swapper/022:10:290
81710rcu_preempt0-21swapper/000:39:280
81700rcu_preempt9561-21diskmemload21:24:051
81700rcu_preempt29000-21ssh23:53:250
81700rcu_preempt21991-21if_err_wlan023:39:321
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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