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2026-06-16 - 04:06
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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 Jun 16, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81760rcu_preempt0-21swapper/119:11:531
81750rcu_preempt0-21swapper/022:15:420
89150730irq/17-ehci_hcd4410-21ssh23:31:330
81730rcu_preempt3047-21ssh23:29:201
81720rcu_preempt0-21swapper/123:54:331
81710rcu_preempt28319-21latency_hist19:14:000
81710rcu_preempt0-21swapper/022:24:270
81710rcu_preempt0-21swapper/022:09:160
81700rcu_preempt15599-21diskmemload23:53:200
81690rcu_preempt15475-21uname20:29:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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