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2026-04-18 - 13:06
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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 Sat Apr 18, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2462969995248,2cyclictest2687237-21fwupd22:49:251
2462972993328,3cyclictest2621239-21cat21:45:002
246296799311,1cyclictest0-21swapper/022:49:260
246297999261,22cyclictest2550106-21apt-get20:35:123
246297299251,21cyclictest2519263-21apt-get20:05:122
246297299250,21cyclictest0-21swapper/219:30:112
2462969992521,3cyclictest2575254-21apt-key21:00:011
246296999251,21cyclictest2794725-21apt-get00:35:121
246296799251,3cyclictest0-21swapper/023:02:450
246296799251,2cyclictest0-21swapper/020:05:110
246296799251,20cyclictest0-21swapper/022:40:110
246296799250,3cyclictest2642577-21grep22:05:160
246296799250,2cyclictest0-21swapper/021:20:120
246297999240,22cyclictest2636744-21basename21:59:593
246297999240,20cyclictest2478765-21apt-get19:25:133
246297999240,20cyclictest0-21swapper/322:30:113
246297999240,20cyclictest0-21swapper/320:20:123
246297299241,3cyclictest2468634-21apt-get19:15:122
246297299241,21cyclictest2784524-21apt-get00:25:132
246297299241,20cyclictest2754010-21apt-get23:55:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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