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2026-05-19 - 12:45
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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 May 19, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81810rcu_preempt16296-21wc00:12:061
81800rcu_preempt25337-21latency21:31:571
81790rcu_preempt29388-21df_abs20:06:521
81790rcu_preempt29388-21df_abs20:06:521
146650790irq/31-eth0-tx-15875-21apache219:09:031
81780rcu_preempt22196-21ssh00:23:011
81780rcu_preempt16081-21mailstats23:12:051
81760rcu_preempt28772-21diskstats22:36:541
81760rcu_preempt19-21ksoftirqd/122:57:201
81760rcu_preempt19-21ksoftirqd/122:13:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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