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2026-01-01 - 23:41
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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 Jan 01, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81940rcu_preempt25996-21ssh11:06:421
81830rcu_preempt32729-21ssh11:19:291
81760rcu_preempt0-21swapper/011:35:340
81710rcu_preempt12356-21sh12:36:100
81700rcu_preempt32502-21ssh10:22:260
81700rcu_preempt2274-21ntp_states09:31:160
81700rcu_preempt0-21swapper/007:11:140
81690rcu_preempt0-21swapper/007:20:500
81680rcu_preempt24696-21sh09:15:111
81680rcu_preempt12503-21/usr/sbin/munin11:41:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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