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2026-04-19 - 07:02
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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 20 highest latencies:
System rackeslot4.osadl.org (updated Sun Apr 19, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
140468999310,23cyclictest1567784-21idleruntime-cro21:50:002
1404691992925,2cyclictest0-21swapper/321:25:113
1404689992920,2cyclictest1456193-21apt-get20:00:132
1404689992718,2cyclictest1623673-21apt-get22:45:122
140469199261,22cyclictest1608510-21apt-get22:30:113
140469199261,21cyclictest1680169-21apt-get23:40:123
140469199261,21cyclictest1491756-21apt-get20:35:143
140469199261,21cyclictest1446007-21apt-get19:50:123
140469199252,20cyclictest1451098-21apt-get19:55:113
1404691992520,3cyclictest1466302-21apt-get20:10:113
1404691992520,2cyclictest1725626-21apt-get00:25:143
1404691992519,3cyclictest1527180-21apt-get21:10:133
140469199251,21cyclictest1588316-21apt-get22:10:123
140469199251,21cyclictest1573112-21apt-get21:55:123
140469199251,21cyclictest1552471-21apt-get21:35:123
140469199251,21cyclictest0-21swapper/322:55:133
1404689992520,3cyclictest1440917-21apt-get19:45:122
140468999251,20cyclictest1557949-21apt-get21:40:122
140468999251,20cyclictest0-21swapper/223:45:112
140468999251,20cyclictest0-21swapper/223:45:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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