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2026-03-19 - 13:35
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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 Mar 19, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139202499342,30cyclictest0-21swapper/321:55:183
1392016993431,2cyclictest1422580-21fwupd19:38:361
139202499331,22cyclictest1519779-21apt-get21:15:113
139202499321,3cyclictest0-21swapper/322:00:113
139202499311,1cyclictest0-21swapper/322:05:113
139202499301,21cyclictest1443700-21apt-get20:00:143
1392016993026,2cyclictest0-21swapper/119:25:151
139202499290,26cyclictest0-21swapper/300:10:103
139202499290,20cyclictest1432038-21ntpq19:45:213
1392024992818,9cyclictest0-21swapper/321:00:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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