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2026-07-12 - 07:54
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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 Sun Jul 12, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
995685993223,1cyclictest0-21swapper/319:30:003
99568599310,21cyclictest0-21swapper/320:55:133
995681993027,2cyclictest1-21systemd20:45:002
99567899261,23cyclictest1261983-21sed23:30:151
99567899261,21cyclictest1041666-21apt-get19:55:131
995685992519,3cyclictest1184658-21apt-get22:15:113
99568599250,21cyclictest1215911-21irqcore22:45:183
99568199252,20cyclictest1246282-21apt-get23:15:132
995681992520,3cyclictest1092808-21apt-get20:45:122
99568199251,20cyclictest0-21swapper/220:35:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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