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2026-07-17 - 11:13
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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 Jul 17, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81900rcu_preempt25480-21ssh22:32:410
81770rcu_preempt19-21ksoftirqd/121:28:111
81770rcu_preempt14092-21users19:12:001
81760rcu_preempt19-21ksoftirqd/121:23:461
81750rcu_preempt0-21swapper/022:36:530
81740rcu_preempt19-21ksoftirqd/123:59:341
81740rcu_preempt19-21ksoftirqd/122:35:431
81740rcu_preempt14041-21ssh00:05:290
81710rcu_preempt5005-21ssh22:53:180
81710rcu_preempt21094-21apt-get22:26:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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