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2025-11-27 - 18:55
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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 Nov 27, 2025 12:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81740rcu_preempt30676-21munin-run07:59:491
81730rcu_preempt12985-21/usr/sbin/munin10:59:491
81700rcu_preempt3313-21sh09:43:161
81700rcu_preempt0-21swapper/008:50:090
81690rcu_preempt0-21swapper/009:41:430
81680rcu_preempt0-21swapper/111:15:361
81680rcu_preempt0-21swapper/012:29:300
81680rcu_preempt0-21swapper/011:58:450
151450680irq/28-eth0-rx-21906-21ssh11:15:050
81670rcu_preempt0-21swapper/112:30:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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