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2026-08-17 - 09:41
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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 Mon Aug 17, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
150663799320,3cyclictest1618631-21cron21:00:003
150663799310,3cyclictest1553017-21irqcore19:55:173
150663799302,25cyclictest1572870-21apt-get20:15:113
150663799301,26cyclictest1762238-21apt23:20:123
150663799292,2cyclictest1731324-21apt-get22:50:123
150663799292,2cyclictest1700530-21apt-get22:20:123
150663799291,25cyclictest1813458-21apt-get00:10:133
150663799291,25cyclictest1736398-21apt-get22:55:143
150663799282,22cyclictest1838898-21apt-get00:35:133
150663799280,27cyclictest64-21kcompactd023:27:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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