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2026-03-30 - 22:23
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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 Mon Mar 30, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81800rcu_preempt12654-21munin-run11:29:501
81770rcu_preempt0-21swapper/007:10:150
81720rcu_preempt18775-21sh10:38:550
81710rcu_preempt6904-21diskmemload11:27:310
81710rcu_preempt27435-21uname10:55:100
81710rcu_preempt19987-1kworker/0:1H10:33:150
81710rcu_preempt0-21swapper/011:30:070
81700rcu_preempt32269-21apt-get11:05:020
81700rcu_preempt0-21swapper/009:36:150
81690rcu_preempt29610-21/usr/sbin/munin11:00:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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