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2026-05-17 - 11:34
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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 May 17, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
62790299301,21cyclictest776164-21apt-get21:35:122
62790299291,21cyclictest0-21swapper/223:15:132
62790299290,25cyclictest0-21swapper/219:20:112
62790299281,2cyclictest827336-21apt-get22:25:142
62790299281,2cyclictest0-21swapper/223:31:192
62790299280,19cyclictest0-21swapper/222:50:132
62790299280,19cyclictest0-21swapper/200:35:122
62790299271,2cyclictest674057-21apt-get19:55:112
62790299271,22cyclictest919254-21apt-get23:55:132
62790299270,7cyclictest699340-21seq20:20:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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