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2026-04-30 - 00:47
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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 Wed Apr 29, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
273770599272,21cyclictest2905203-21apt-get09:55:133
273770199271,22cyclictest2834396-21apt-get08:45:112
273770599262,4cyclictest2748060-21apt-get07:20:113
273770599262,21cyclictest2737928-21apt-get07:10:113
273770599262,21cyclictest2737928-21apt-get07:10:103
273770599261,21cyclictest2910253-21apt-get10:00:123
273770199262,3cyclictest2743005-21apt-get07:15:122
273769999262,21cyclictest2987046-21apt-get11:15:121
273769999261,21cyclictest3012761-21apt-get11:40:111
2737705992520,3cyclictest2824288-21apt-get08:35:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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