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2026-08-22 - 16:10
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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 Sat Aug 22, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89950800irq/17-ehci_hcd0-21swapper/107:19:301
81780rcu_preempt0-21swapper/111:00:021
81780rcu_preempt0-21swapper/011:58:190
81770rcu_preempt0-21swapper/111:09:581
81770rcu_preempt0-21swapper/007:18:080
81760rcu_preempt0-21swapper/111:41:551
81760rcu_preempt0-21swapper/109:24:521
81760rcu_preempt0-21swapper/011:29:070
81750rcu_preempt29366-21if_err_wlan009:19:571
81730rcu_preempt5580-21apt-get10:39:531
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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