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2026-08-06 - 09:44
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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 rack7slot8.osadl.org (updated Wed Aug 05, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18672221028,50sleep00-21swapper/007:08:380
189019914749,41cyclictest31856-21apt-get10:27:100
189019914377,26cyclictest15204-21apt-get09:17:080
189019914356,34cyclictest7168-21df08:45:170
189019913859,21cyclictest29286-21apt-get12:17:240
189019913766,31cyclictest1408-21nginx07:53:180
189019913755,33cyclictest10672-21ntp_states11:05:380
189019913556,39cyclictest31804-21ntp_states12:25:410
189019913443,19cyclictest32656-21apt-get08:22:100
189019913354,58cyclictest25888-21chrt12:05:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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