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2025-10-30 - 06:01
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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 Thu Oct 30, 2025 01:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2837423740,7sleep028372-21basename19:05:130
295569916845,15cyclictest10150irq/55-4a10000019:20:310
295569916743,29cyclictest3650irq/20-4900000022:18:190
295569916039,30cyclictest3650irq/20-4900000020:02:110
29556991578,22cyclictest1801-21node20:47:240
295569915751,13cyclictest10150irq/55-4a10000019:40:460
295569915643,12cyclictest10150irq/55-4a10000021:59:340
29556991537,19cyclictest8763-21ntp_states00:05:430
29556991536,18cyclictest10775-21apt-get22:12:110
295569915344,19cyclictest19554-21runrttasks22:40:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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