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2026-05-20 - 01:42
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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 May 19, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
212113899262,21cyclictest2345931-21apt-get10:50:133
212113899261,21cyclictest2320658-21apt-get10:25:123
212113899261,21cyclictest2228733-21apt-get08:55:143
212113599262,20cyclictest2126753-21apt-get07:15:142
212113599261,22cyclictest2233811-21apt-get09:00:142
212113199261,21cyclictest2279752-21apt-get09:45:131
2121128992618,7cyclictest0-21swapper/012:15:120
212113899251,21cyclictest2350987-21apt-get10:55:133
212113899251,21cyclictest2279752-21apt-get09:45:133
212113899251,20cyclictest2289861-21apt-get09:55:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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