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2026-06-21 - 11:42
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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 Sun Jun 21, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3376772992823,3cyclictest3698217-21cut00:24:593
337676399272,22cyclictest3443750-21apt-get20:15:111
337677299262,21cyclictest3448823-21apt-get20:20:123
337676399261,23cyclictest0-21swapper/122:25:111
337676399261,23cyclictest0-21swapper/122:25:111
337676399261,22cyclictest0-21swapper/121:30:121
337676399260,23cyclictest0-21swapper/121:15:121
337677299251,20cyclictest3459381-21apt-get20:30:093
3376767992520,3cyclictest3413280-21apt-get19:45:112
337676799251,20cyclictest0-21swapper/220:15:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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