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2026-09-29 - 10:53
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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 Tue Sep 29, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
266479499351,21cyclictest2964467-21awk23:59:593
2664794993323,8cyclictest2943766-21dpkg23:40:003
266479499320,21cyclictest3777322-21systemd-journal23:50:003
266479499291,20cyclictest2969818-21apt-get00:05:133
266479499281,2cyclictest2841527-21apt-get22:00:093
2664794992620,3cyclictest2779814-21apt-get21:00:123
2664794992616,8cyclictest2908550-21sed23:05:173
266479499260,2cyclictest0-21swapper/320:50:113
266479499260,19cyclictest64-21kcompactd021:58:513
2664790992620,3cyclictest2964724-21apt-get00:00:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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