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2026-03-24 - 09:33
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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 Tue Mar 24, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19894499261,21cyclictest316689-21apt-get21:05:133
198938992623,2cyclictest0-21swapper/119:35:001
19893899262,21cyclictest255791-21apt-get20:05:121
19893899262,21cyclictest230401-21apt-get19:40:101
19893899261,21cyclictest510755-21apt-get00:15:131
19894199251,21cyclictest388448-21apt-get22:15:132
19894199250,5cyclictest520742-21latency_hist00:25:002
19894199250,21cyclictest0-21swapper/221:25:122
19893899251,21cyclictest419151-21apt-get22:45:151
19893899251,20cyclictest352639-21apt-get21:40:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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