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2025-12-16 - 10:59
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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 Tue Dec 16, 2025 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
182699995047,2cyclictest330762-21fwupd21:34:562
18269999310,29cyclictest325721-21awk21:30:002
18270199260,24cyclictest378537-21irqcore22:20:163
182699992621,3cyclictest367914-21apt-get22:10:142
18269999261,21cyclictest511006-21apt-get00:30:112
18269999261,21cyclictest290490-21apt-get20:55:132
18269999261,21cyclictest274947-21apt-get20:40:142
18269999261,21cyclictest229346-21apt-get19:55:122
18269999261,21cyclictest0-21swapper/220:00:122
18269999260,21cyclictest0-21swapper/220:05:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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