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2026-04-10 - 23:16
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rackbslot4.osadl.org (updated Fri Apr 10, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
70912810,3sleep011-21rcuc/008:52:140
2292599645,53cyclictest18549-21/usr/sbin/munin11:16:320
22925996416,42cyclictest15733-21/usr/sbin/munin11:11:330
22925996414,44cyclictest18152-21wc07:16:380
22925996414,43cyclictest27532-21chrt09:20:110
22925996414,43cyclictest27532-21chrt09:20:110
22925996212,44cyclictest543-21systemd-logind08:57:110
2293099614,51cyclictest0-21swapper/110:55:491
22925996116,39cyclictest29139-21/usr/sbin/munin06:21:290
22925996113,42cyclictest30234-21/usr/sbin/munin08:41:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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