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2026-03-10 - 06:31
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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 Mar 10, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
147850820irq/30-eth0-tx-0-21swapper/019:11:420
89850740irq/17-ehci_hcd8873-21latency_hist19:38:551
81730rcu_preempt8310-21ssh21:27:090
81720rcu_preempt26842-21ssh22:01:530
81710rcu_preempt24295-21ssh21:57:000
81710rcu_preempt2354-1kworker/0:1H22:20:460
81710rcu_preempt0-21swapper/023:42:470
81710rcu_preempt0-21swapper/023:19:120
81710rcu_preempt0-21swapper/022:38:160
81710rcu_preempt0-21swapper/000:39:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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