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2026-09-08 - 10:44
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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 Sep 08, 2026 02:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11391223731,54sleep00-21swapper/019:08:400
116139910261,26cyclictest101ktimersoftd/020:22:110
116139910146,39cyclictest101ktimersoftd/020:17:280
11613999931,29cyclictest1408-21nginx19:38:300
11613999833,24cyclictest19765-21/usr/sbin/munin19:40:470
11613999658,24cyclictest0-21swapper/019:33:030
11613999537,41cyclictest1305-21snmpd00:34:090
11613999533,47cyclictest10250irq/56-4a10000019:56:470
11613999434,41cyclictest0-21swapper/021:28:290
11613999422,34cyclictest20618-21df19:45:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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