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2026-07-29 - 04:35
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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 29, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81920rcu_preempt5460-21ssh21:32:031
81810rcu_preempt30357-21apt-esm-hook19:12:461
81810rcu_preempt30334-21latency_hist00:17:361
81790rcu_preempt19008-21ssh23:54:521
81760rcu_preempt19-21ksoftirqd/123:26:441
81760rcu_preempt19-21ksoftirqd/100:29:501
81760rcu_preempt19-21ksoftirqd/100:01:491
81750rcu_preempt4145-21sh21:28:020
81740rcu_preempt19-21ksoftirqd/122:38:051
81710rcu_preempt0-21swapper/023:34:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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