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2026-06-18 - 20:21
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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 Thu Jun 18, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
193008899261,5cyclictest2007513-21tr08:25:152
193008899261,21cyclictest1976708-21apt-get07:55:122
193008599262,21cyclictest2093419-21apt-get09:50:111
193008599261,21cyclictest2261643-21apt-get12:35:091
1930082992623,2cyclictest61650irq/133-enp0s29f1:rx-007:20:000
193008899252,2cyclictest2012060-21apt-get08:30:102
193008899251,3cyclictest2118754-21apt-get10:15:112
193008899251,22cyclictest2154621-21apt-get10:50:112
193008899251,21cyclictest2174815-21apt-get11:10:112
193008899251,21cyclictest2088341-21apt-get09:45:112
193008899251,21cyclictest0-21swapper/209:20:122
193008899251,21cyclictest0-21swapper/209:20:112
193008899251,20cyclictest0-21swapper/211:50:142
1930085992520,3cyclictest2205609-21apt-get11:40:111
193008599251,21cyclictest2200560-21apt-get11:35:131
193008599251,20cyclictest2067659-21apt-get09:25:101
193008599250,21cyclictest2164738-21sshd11:00:111
193008299251,3cyclictest1956052-21apt-config07:35:010
193009299243,2cyclictest0-21swapper/311:39:593
193009299241,20cyclictest2052496-21apt-get09:10:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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