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2026-03-14 - 21:54
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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 Mar 14, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81880rcu_preempt0-21swapper/007:09:280
81780rcu_preempt8464-21latency08:49:251
81740rcu_preempt30325-21munin-run09:44:060
81740rcu_preempt3-21ksoftirqd/011:24:220
81730rcu_preempt5617-21ssh09:57:530
81730rcu_preempt0-21swapper/012:00:060
81720rcu_preempt0-21swapper/112:03:311
81720rcu_preempt0-21swapper/011:52:330
81720rcu_preempt0-21swapper/010:07:120
89850710irq/17-ehci_hcd945-21usb-storage09:03:281
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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