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2026-05-26 - 04:42
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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 May 25, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7325220831,53sleep00-21swapper/007:09:410
7432991627,135cyclictest1305-21snmpd09:00:330
7432991626,96cyclictest30931-21apt-get10:52:130
7432991618,133cyclictest1305-21snmpd07:14:520
74329916113,107cyclictest1408-21nginx07:30:290
7432991607,95cyclictest522-21df08:50:160
7432991606,116cyclictest1305-21snmpd10:40:140
7432991597,108cyclictest21875-21apt-get10:12:160
7432991588,129cyclictest27196-21cut10:35:010
74329915833,108cyclictest10250irq/56-4a10000009:50:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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