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2025-12-10 - 01:00
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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 Tue Dec 09, 2025 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81760rcu_preempt0-21swapper/010:09:590
81710rcu_preempt27510-21sh09:26:450
81700rcu_preempt24575-21sh10:19:361
81690rcu_preempt0-21swapper/009:09:560
81680rcu_preempt2044-21sh10:35:430
81680rcu_preempt0-21swapper/011:32:300
90050670irq/17-ehci_hcd946-21usb-storage12:23:021
81670rcu_preempt0-21swapper/012:39:260
81660rcu_preempt7093-21ssh11:44:410
81660rcu_preempt0-21swapper/010:08:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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