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2026-08-08 - 00:00
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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 rack4slot4.osadl.org (updated Fri Aug 07, 2026 12:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71500rcu_preempt9722-21diskmemload11:35:061
71500rcu_preempt9722-21diskmemload11:35:061
46650500irq/116-QManpo9167-2110:48:553
46650500irq/116-QManpo9167-2110:48:553
71490rcu_preempt0-21swapper/112:30:531
71490rcu_preempt0-21swapper/112:30:531
71490rcu_preempt0-21swapper/108:39:311
71490rcu_preempt0-21swapper/108:39:311
71460rcu_preempt5907-21apt-get10:04:310
71460rcu_preempt5907-21apt-get10:04:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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