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2026-03-18 - 01:51
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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 Mar 17, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
299351699282,21cyclictest3059873-21apt-get08:15:132
299351699271,24cyclictest3284705-21/usr/sbin/munin11:55:242
2993519992622,3cyclictest516-21rs:main3
2993519992619,6cyclictest0-21swapper/309:30:003
2993516992620,3cyclictest3248893-21apt-get11:20:112
299351699261,21cyclictest3238359-21apt-get11:10:112
299351699252,3cyclictest3064905-21apt-get08:20:112
2993516992520,3cyclictest3013900-21apt-get07:30:132
299351699251,21cyclictest3182344-21apt-get10:15:122
299351699251,21cyclictest0-21swapper/207:25:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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