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2026-06-05 - 20:51
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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 20 highest latencies:
System rackeslot4.osadl.org (updated Fri Jun 05, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
398740899271,23cyclictest4003838-21sed07:25:171
398740899262,20cyclictest4089933-21apt-get08:50:111
398740399261,23cyclictest4120770-21irqcore09:20:160
398740399261,22cyclictest7846-21unin-run10:40:000
3987413992520,3cyclictest125132-21apt-get12:35:123
398741399250,23cyclictest4012978-21taskset07:35:133
398741399250,22cyclictest4181391-21apt-get10:20:123
398741099251,21cyclictest4161218-21apt-get10:00:122
398740899251,21cyclictest0-21swapper/107:40:111
398740899251,20cyclictest58749-21apt-get11:30:131
398740899251,20cyclictest38572-21apt-get11:10:121
398740899251,20cyclictest0-21swapper/110:50:121
398740399252,2cyclictest43581-21apt-get11:15:120
398740399251,3cyclictest4149506-21ntpq09:45:210
398740399250,3cyclictest1-21systemd08:50:000
398740399250,23cyclictest68876-21apt-get11:40:110
398741399242,21cyclictest0-21swapper/311:00:003
398741399241,20cyclictest4110152-21apt-get09:10:103
398741399241,20cyclictest0-21swapper/312:15:103
398741399241,20cyclictest0-21swapper/311:55:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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