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2026-07-20 - 20:27
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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 Mon Jul 20, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23616217729,116sleep00-21swapper/019:06:100
241409911625,51cyclictest1408-21nginx20:46:490
241409910931,24cyclictest12703-21diskstats22:40:200
241409910730,28cyclictest9293-21apt-get20:18:160
241409910637,49cyclictest0-21swapper/000:09:570
241409910538,28cyclictest1408-21nginx21:11:550
241409910537,28cyclictest1408-21nginx22:51:380
241409910525,25cyclictest10253-21apt-get00:37:100
241409910451,35cyclictest18622-21if_eth020:55:290
241409910426,19cyclictest20727-21apt-get21:07:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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