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2026-05-05 - 13:18
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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 Tue May 05, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
868278993129,1cyclictest903600-21idleruntime-cro19:44:590
86827899271,24cyclictest1098333-21irqcore22:55:160
868284992621,3cyclictest261-21systemd-journal22:40:002
86828499261,21cyclictest1159539-21apt-get23:55:102
86827899261,22cyclictest1026085-21apt-get21:45:110
86827899261,21cyclictest924087-21apt-get20:05:120
86827899260,24cyclictest873985-21irqcore19:15:160
86828899251,21cyclictest913956-21apt-get19:55:123
86828499254,20cyclictest1056623-21cron22:15:002
86828499252,20cyclictest1097850-21apt-get22:55:132
86828499250,21cyclictest1179922-21apt-get00:15:122
868282992522,2cyclictest1133458-21idleruntime-cro23:30:001
86828299251,21cyclictest1148917-21apt-get23:45:111
86828299251,20cyclictest0-21swapper/121:45:111
86827899252,21cyclictest974933-21apt-get20:55:130
86827899251,22cyclictest1195161-21apt-get00:30:110
86827899251,21cyclictest0-21swapper/021:35:120
868288992420,2cyclictest1128668-21apt-get23:25:133
868288992420,2cyclictest1123166-21apt-get23:20:133
86828899241,20cyclictest0-21swapper/320:20:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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