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2026-04-24 - 14:49
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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 Apr 24, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
237675993328,3cyclictest0-21swapper/223:54:592
237677992724,2cyclictest389555-21fwupd21:37:013
23767599275,20cyclictest0-21swapper/200:30:172
23767099271,21cyclictest344150-21apt-get20:55:121
23767799261,21cyclictest435698-21apt-get22:25:133
237675992621,3cyclictest273269-21apt-get19:45:112
23767599261,3cyclictest415399-21apt-get22:05:102
23767799251,21cyclictest430653-21apt-get22:20:123
23767599251,22cyclictest502040-21seq23:30:122
23767599251,21cyclictest334026-21apt-get20:45:132
23767599251,21cyclictest334026-21apt-get20:45:122
23767599251,21cyclictest261-21systemd-journal20:10:002
23767099252,20cyclictest507083-21apt-get23:35:121
23767099251,3cyclictest425563-21apt-get22:15:141
23767099251,21cyclictest547482-21apt-get00:15:101
23767099251,21cyclictest323873-21apt-get20:35:111
23767099251,21cyclictest293526-21apt-get20:05:111
23766799251,20cyclictest466110-21apt-get22:55:120
23766799251,20cyclictest303657-21apt-get20:15:110
237677992420,2cyclictest247977-21apt-get19:20:093
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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