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2025-08-21 - 21:27
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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 Thu Aug 21, 2025 12:43:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
66413199290,27cyclictest939095-21turbostat11:09:590
66413799281,25cyclictest831294-21ssh09:45:122
66413799262,22cyclictest913679-21apt-get10:50:142
66413799261,20cyclictest0-21swapper/207:25:142
66413799251,3cyclictest0-21swapper/210:00:152
66413799251,22cyclictest0-21swapper/207:20:212
66413799251,21cyclictest806067-21apt-get09:25:122
66413799251,21cyclictest0-21swapper/210:15:122
66413799251,20cyclictest0-21swapper/208:20:122
66413799250,21cyclictest0-21swapper/208:50:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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