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2026-04-03 - 14:15
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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 Fri Apr 03, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81790rcu_preempt22157-21rm22:16:471
81770rcu_preempt32340-21cron23:39:591
81760rcu_preempt0-21swapper/100:10:181
81740rcu_preempt13297-21cut20:40:221
81710rcu_preempt25475-21ntpq23:25:220
81710rcu_preempt21111-21diskmemload23:32:170
81710rcu_preempt21111-21diskmemload23:16:090
81710rcu_preempt15470-21sh00:09:140
81710rcu_preempt0-21swapper/020:30:210
81710rcu_preempt0-21swapper/019:45:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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