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2026-04-21 - 23:27
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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 rack7slot8.osadl.org (updated Tue Apr 21, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
998216590,9sleep0996-21memory19:05:250
1909991759,120cyclictest9755-21apt-get21:47:110
19099917440,117cyclictest3650irq/20-4900000022:12:120
19099916341,105cyclictest10250irq/56-4a10000019:52:350
1909991618,132cyclictest18602-21sshd00:25:170
1909991609,109cyclictest2170-21sort19:10:150
1909991607,115cyclictest1276-21runrttasks21:10:160
1909991606,19cyclictest21933-21seq22:33:520
1909991605,15cyclictest30199-21chrt21:00:430
1909991589,115cyclictest27101-21ntp_states22:50:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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