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2026-03-17 - 06:37
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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 Mar 17, 2026 01:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1840327520,10sleep018402-21ntp_states19:05:260
192219913551,48cyclictest13842-21seq22:51:280
192219913254,23cyclictest17577-21memory23:05:310
192219913183,38cyclictest31844-21sendmail-msp22:00:020
192219913070,44cyclictest536-21grep22:01:320
192219912750,37cyclictest2871-21munin-run20:10:030
192219912743,24cyclictest2286-21apt-get22:12:110
192219912566,43cyclictest9945-21apt-key20:35:170
192219912552,38cyclictest7493-21seq00:35:130
192219912550,20cyclictest21695-21apt-get19:18:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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