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2026-08-25 - 17:43
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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 Aug 25, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2186997348cyclictest79950irq/19-0000:00:11:34:540
81720rcu_preempt2366-21ssh12:32:350
81720rcu_preempt0-21swapper/010:29:100
81710rcu_preempt32540-21diskmemload09:32:271
81710rcu_preempt2646-21ssh09:23:570
81710rcu_preempt0-21swapper/107:15:021
81710rcu_preempt0-21swapper/012:46:320
81710rcu_preempt0-21swapper/012:46:320
81710rcu_preempt0-21swapper/012:05:530
81710rcu_preempt0-21swapper/010:51:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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