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2025-12-23 - 21:58
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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 Tue Dec 23, 2025 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
69700299310,4cyclictest859932-21sh09:49:592
69700299310,4cyclictest798610-21basename08:50:002
69700299310,3cyclictest1023101-21irqcore12:30:172
69700299310,23cyclictest830229-21grep09:20:162
69700299310,21cyclictest707095-21sh07:20:002
69700299291,21cyclictest885539-21apt-get10:15:132
69700299291,20cyclictest819588-21apt-get09:10:112
69700299271,2cyclictest972043-21apt-get11:40:132
69700299262,21cyclictest895679-21apt-get10:25:122
69700299262,20cyclictest778664-21apt-get08:30:112
697002992619,6cyclictest854911-21unin-run09:45:002
697002992614,11cyclictest920715-21apt10:50:012
69699899261,21cyclictest763089-21apt-get08:15:111
69700699251,21cyclictest926031-21apt-get10:55:133
697002992520,3cyclictest860202-21apt-get09:50:112
697002992520,2cyclictest1007450-21apt-get12:15:132
697002992518,5cyclictest0-21swapper/211:00:122
69700299250,19cyclictest0-21swapper/210:10:112
69699899251,22cyclictest0-21swapper/109:50:121
696996992521,2cyclictest961885-21apt-get11:30:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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