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2026-06-25 - 16:04
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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 Jun 25, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81770rcu_preempt2578-21if_err_eth011:10:041
81770rcu_preempt0-21swapper/011:25:500
81760rcu_preempt0-21swapper/009:29:140
81750rcu_preempt17985-21sed12:40:021
81750rcu_preempt13511-21cpuspeed_turbos09:30:020
81750rcu_preempt0-21swapper/010:39:390
81730rcu_preempt28468-21ssh11:59:131
81730rcu_preempt13670-21idleruntime10:30:051
81720rcu_preempt4780-21ssh12:15:040
81710rcu_preempt11393-21ssh12:27:061
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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