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2026-04-23 - 03:27
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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 Thu Apr 23, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1300650994033,2cyclictest1499009-21kworker/3:1+pm00:34:023
1300640993028,1cyclictest1590256-21kworker/0:1+pm00:34:020
130065099282,22cyclictest1479033-21apt-get22:05:113
130065099272,21cyclictest1463921-21apt-get21:50:123
130065099262,3cyclictest1362370-21apt-get20:10:123
1300650992618,7cyclictest1351544-21cron20:00:003
1300650992618,3cyclictest0-21swapper/321:20:103
130065099261,21cyclictest1570059-21apt-get23:35:133
130065099261,21cyclictest0-21swapper/323:10:103
130065099261,20cyclictest0-21swapper/320:05:123
1300650992519,3cyclictest1428123-21apt-get21:15:133
130065099251,21cyclictest0-21swapper/323:25:113
130065099251,20cyclictest0-21swapper/323:45:123
130065099251,20cyclictest0-21swapper/322:15:133
130065099251,20cyclictest0-21swapper/300:15:123
130065099250,23cyclictest1423560-21sed21:10:163
1300646992522,2cyclictest1615725-21sh00:19:592
130064699251,23cyclictest1315728-21cron19:25:002
130064699251,21cyclictest1519534-21apt-get22:45:122
130064699251,20cyclictest1590717-21apt-get23:55:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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