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2026-05-22 - 14:24
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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 Fri May 22, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81780rcu_preempt29039-21ssh23:02:570
81780rcu_preempt0-21swapper/121:18:531
146550760irq/30-eth0-tx-3-21ksoftirqd/019:07:240
81750rcu_preempt0-21swapper/123:22:261
81740rcu_preempt31147-21ssh00:07:140
81740rcu_preempt18611-21ssh21:46:220
81720rcu_preempt19-21ksoftirqd/123:19:411
81720rcu_preempt0-21swapper/022:27:080
81710rcu_preempt0-21swapper/021:49:000
81710rcu_preempt0-21swapper/021:17:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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