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2026-05-14 - 06:52
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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 May 13, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26583220746,132sleep01608-21ntpd07:07:010
270039917327,126cyclictest17110-21apt-config10:45:230
27003991718,123cyclictest28907-21sshd09:25:210
270039916929,119cyclictest1408-21nginx07:34:500
27003991648,136cyclictest8161-21sshd10:10:320
270039916425,108cyclictest27893-21sshd09:20:440
270039916226,118cyclictest319392chrt07:29:540
27003991596,16cyclictest10758-21ntp_states10:20:390
27003991588,131cyclictest805-21rs:main0
27003991576,131cyclictest22350-21chrt09:00:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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