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2026-06-12 - 13:27
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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 12, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89693099281,24cyclictest1116959-21grep22:45:171
896932992723,3cyclictest983666-21sh20:35:002
89693099271,22cyclictest897108-21apt-get19:10:111
89693099264,2cyclictest974313-21irqcore20:25:151
89693099261,22cyclictest1055328-21apt-get21:45:091
89693099261,21cyclictest1167808-21apt-get23:35:111
896927992621,3cyclictest1147190-21apt-get23:15:120
89692799261,23cyclictest923396-21grep19:35:160
896930992521,2cyclictest1080599-21apt-get22:10:121
89693099251,21cyclictest1183014-21apt-get23:50:111
896927992520,3cyclictest912341-21apt-get19:25:110
896927992520,3cyclictest1162753-21apt-get23:30:110
896936992420,3cyclictest917820-21apt-get19:30:113
896936992420,2cyclictest1029566-21apt-get21:20:123
89693699241,2cyclictest1193170-21apt-get00:00:123
89693699241,22cyclictest901961-21awk19:15:003
89693299241,21cyclictest1084553-21ntpq22:10:202
89693299241,21cyclictest1070469-21apt-get22:00:122
896930992419,3cyclictest1045290-21irqcore21:35:171
89693099241,3cyclictest1033439-21ntpq21:20:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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