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2026-07-11 - 06:51
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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 Jul 11, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81800rcu_preempt19-21ksoftirqd/123:20:211
81790rcu_preempt19-21ksoftirqd/100:14:481
81760rcu_preempt19-21ksoftirqd/123:09:291
81730rcu_preempt7395-21ssh23:52:530
81720rcu_preempt6707-21ssh22:56:420
81720rcu_preempt0-21swapper/000:16:300
81710rcu_preempt28426-21ssh00:30:360
81710rcu_preempt1920-1kworker/0:2H22:26:480
81710rcu_preempt0-21swapper/023:02:160
81710rcu_preempt0-21swapper/020:36:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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