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2026-07-10 - 14:04
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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 Jul 09, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24968218823,134sleep00-21swapper/007:06:040
255009917737,24cyclictest754-21systemd-journal09:50:410
255009917120,22cyclictest1408-21nginx07:49:480
255009916436,107cyclictest1276-21runrttasks07:59:320
255009916244,96cyclictest10150irq/55-4a10000009:20:390
255009916240,107cyclictest10250irq/56-4a10000011:26:290
255009916026,12cyclictest0-21swapper/011:46:090
255009916020,16cyclictest0-21swapper/010:35:470
255009915940,107cyclictest1865-21ntpq07:41:090
25500991578,20cyclictest17027-21if_err_eth008:40:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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