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2026-06-30 - 13:55
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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 Jun 30, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
167292899271,22cyclictest1739331-21apt-get20:15:113
1672925992724,2cyclictest514-21in:imuxsock21:30:012
167292899261,22cyclictest3871586-21snmpd19:20:233
167292899261,21cyclictest1993467-21apt-get00:25:113
167292899261,21cyclictest1795375-21apt-get21:10:133
167292899260,24cyclictest1677893-21cron19:15:003
1672925992622,3cyclictest514-21in:imuxsock00:35:002
1672928992522,2cyclictest1794700-21turbostat21:09:593
1672928992521,2cyclictest1769444-21turbostat20:45:003
1672928992521,2cyclictest1769444-21turbostat20:44:593
1672928992520,3cyclictest1927246-21apt-get23:20:123
167292899251,2cyclictest1774738-21apt-get20:50:133
167292899251,23cyclictest1886471-21idleruntime-cro22:40:003
167292899251,22cyclictest1983850-21ps00:15:143
167292899251,21cyclictest0-21swapper/323:05:123
167292899251,21cyclictest0-21swapper/322:00:123
167292899251,21cyclictest0-21swapper/321:30:123
167292599251,2cyclictest0-21swapper/219:25:122
167292599251,22cyclictest0-21swapper/223:45:122
167292599251,21cyclictest0-21swapper/221:55:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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