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2025-11-25 - 13:29
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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 Nov 25, 2025 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22007299290,22cyclictest0-21swapper/321:57:093
220061992925,2cyclictest0-21swapper/020:10:010
22006499282,24cyclictest430268-21ssh22:18:271
22007299272,21cyclictest532385-21apt-get23:40:123
22007299271,21cyclictest0-21swapper/322:25:133
220068992724,2cyclictest524-21rs:main2
220068992723,2cyclictest301592-21awk20:30:002
22006899261,23cyclictest582368-21apt-config00:20:002
22006499261,23cyclictest362626-21ps21:25:171
22006499261,22cyclictest544762-21cut23:50:001
220061992619,5cyclictest462849-21fw_forwarded_lo22:45:160
220072992520,3cyclictest387193-21apt-get21:45:133
22006899251,21cyclictest570080-21apt-get00:10:122
22006899251,21cyclictest544915-21apt-get23:50:122
220064992521,2cyclictest485565-21cat23:00:201
22006499251,4cyclictest281518-21apt-get20:10:121
22006499251,20cyclictest412254-21apt-get22:05:121
22006499250,23cyclictest468584-21apt-key22:50:011
220061992523,1cyclictest0-21swapper/022:05:350
220061992522,2cyclictest563445-21turbostat00:05:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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