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2026-05-08 - 10:24
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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 Fri May 08, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
184162699331,29cyclictest2173135-21grep00:35:182
184162699292,2cyclictest1867578-21apt-get19:35:112
1841626992916,11cyclictest2061337-21irqcore22:45:162
184162699291,2cyclictest2152378-21apt-get00:15:122
184162699291,2cyclictest2125980-21ntpq23:45:222
184162699281,26cyclictest0-21swapper/222:07:022
1841631992724,2cyclictest481rcuc/323:05:163
1841626992717,9cyclictest1999545-21munin-plugin-st21:45:002
184162699271,2cyclictest0-21swapper/220:41:432
1841631992624,1cyclictest0-21swapper/323:35:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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