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2026-05-05 - 08:03
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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 05, 2026 00:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81770rcu_preempt22404-21ssh21:13:421
81760rcu_preempt31970-21ssh21:30:391
81740rcu_preempt1044-21irqstats23:25:471
81720rcu_preempt18874-21df_abs23:00:421
81710rcu_preempt7867-21latency22:40:441
81710rcu_preempt19-21ksoftirqd/123:38:081
81710rcu_preempt13826-21ntp_states22:50:511
81700rcu_preempt29565-21munin-run19:40:271
81700rcu_preempt0-21swapper/019:05:410
81690rcu_preempt23445-1kworker/0:0H23:25:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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