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2026-07-15 - 09:15
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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 15, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811120rcu_preempt19-21ksoftirqd/121:38:351
811120rcu_preempt19-21ksoftirqd/121:38:351
81770rcu_preempt0-21swapper/119:12:061
81720rcu_preempt8854-21ssh22:26:401
81720rcu_preempt12182-21ssh00:24:420
81710rcu_preempt25274-21ssh22:55:150
81710rcu_preempt0-21swapper/022:48:290
81710rcu_preempt0-21swapper/019:56:460
81710rcu_preempt0-21swapper/000:16:420
81700rcu_preempt16617-21sshd21:44:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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