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2026-05-07 - 10:28
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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 Thu May 07, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81750rcu_preempt19-21ksoftirqd/123:40:491
81730rcu_preempt379-21ntp_states00:31:001
81730rcu_preempt0-21swapper/121:45:571
81730rcu_preempt0-21swapper/100:40:351
81720rcu_preempt0-21swapper/123:45:581
81720rcu_preempt0-21swapper/119:08:241
81710rcu_preempt18005-21diskmemload23:18:281
81710rcu_preempt18005-21diskmemload23:18:281
81710rcu_preempt18005-21diskmemload22:30:591
81710rcu_preempt0-21swapper/121:19:251
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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