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2026-05-01 - 01:39
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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 Thu Apr 30, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1572623994338,3cyclictest1762772-21lspci10:15:213
157261399270,7cyclictest0-21swapper/008:10:100
157262399261,21cyclictest1886693-21apt-get12:20:103
157262399261,21cyclictest0-21swapper/308:15:113
157262399261,20cyclictest0-21swapper/310:05:283
157262399260,24cyclictest1851052-21cron11:45:003
157262399260,24cyclictest1851052-21cron11:44:593
157261999262,20cyclictest1805270-21apt-get11:00:122
157261999261,21cyclictest1619230-21apt-get07:55:112
157261999260,24cyclictest1861404-21seq11:55:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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