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2026-06-03 - 04:30
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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 Wed Jun 03, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2647187993127,2cyclictest0-21swapper/220:05:202
2647191992826,1cyclictest0-21swapper/321:10:003
2647191992824,3cyclictest2724813-21cron20:40:013
2647181992826,1cyclictest0-21swapper/000:00:000
264719199262,22cyclictest2893994-21apt-get23:25:123
264719199262,21cyclictest2909177-21apt-get23:40:123
2647191992621,3cyclictest2960406-21cron00:30:003
264719199261,21cyclictest2940018-21apt-get00:10:133
264719199260,24cyclictest2740720-21apt-get20:55:103
264718799262,21cyclictest2843424-21apt-get22:35:112
264718799261,21cyclictest2883812-21apt-get23:15:102
2647191992519,4cyclictest2715014-21taskset20:30:133
264719199250,21cyclictest0-21swapper/300:35:123
264718799250,23cyclictest2970527-21cron00:40:002
264718599252,21cyclictest2807693-21apt-get22:00:111
2647185992521,3cyclictest2781437-21apt-get21:35:121
2647191992420,2cyclictest2730594-21apt-get20:45:133
264719199241,21cyclictest0-21swapper/322:45:133
264718799241,3cyclictest2679659-21apt-get19:55:122
264718799241,20cyclictest2878781-21apt-get23:10:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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