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2026-03-25 - 19:31
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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 Mar 25, 2026 12:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81780rcu_preempt3-21ksoftirqd/012:40:120
81720rcu_preempt2744-21ssh10:54:481
81720rcu_preempt0-21swapper/010:29:240
81710rcu_preempt0-21swapper/011:08:030
81710rcu_preempt0-21swapper/010:44:500
81700rcu_preempt13238-21ssh11:14:390
81700rcu_preempt0-21swapper/012:18:030
81700rcu_preempt0-21swapper/011:00:020
81700rcu_preempt0-21swapper/008:09:150
81690rcu_preempt21941-21ntp_states11:29:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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