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2026-08-06 - 05:33
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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 10 highest latencies:
System rackeslot4.osadl.org (updated Thu Aug 06, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1596197994129,2cyclictest0-21swapper/223:20:152
159619199310,29cyclictest1611393-21awk19:24:590
159620099272,21cyclictest1759510-21apt-get21:50:123
159620099262,22cyclictest1626104-21ntpq19:35:203
159620099261,21cyclictest1927974-21apt-get00:35:123
159619799261,21cyclictest1912686-21apt-get00:20:122
159619799261,21cyclictest1601518-21apt-get19:15:152
159619199261,23cyclictest1862430-21grep23:30:170
1596200992521,2cyclictest1831108-21apt-get23:00:123
159620099251,21cyclictest1856875-21apt-get23:25:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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