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2026-04-30 - 03:31
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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 Wed Apr 29, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811050rcu_preempt19-21ksoftirqd/100:05:351
81860rcu_preempt11395-21diskmemload23:21:211
81830rcu_preempt0-21swapper/023:30:210
81820rcu_preempt5382-21tr22:01:231
81790rcu_preempt30384-21ssh22:46:091
81790rcu_preempt21938-1kworker/0:0H22:57:450
81790rcu_preempt16332-21ssh21:23:061
81780rcu_preempt22990-21ntp_states22:31:321
81780rcu_preempt12291-2110-stats19:14:361
81750rcu_preempt10796-21ntpq19:11:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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