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2026-07-14 - 09:31
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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 rackeslot4.osadl.org (updated Tue Jul 14, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2985832993027,1cyclictest0-21swapper/120:20:171
298582999272,21cyclictest3083155-21apt-get20:45:130
298583699261,21cyclictest3261125-21apt-get23:40:113
298583599262,4cyclictest3027382-21apt-get19:50:132
298583299262,21cyclictest3210049-21apt-get22:50:121
298583299261,22cyclictest3199936-21apt-get22:40:121
298582999263,21cyclictest3307195-21apt-get00:25:130
298583699251,21cyclictest3088189-21apt-get20:50:133
2985835992521,2cyclictest2986031-21apt-get19:10:112
2985835992520,3cyclictest3199936-21apt-get22:40:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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