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2026-03-28 - 23:46
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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 Sat Mar 28, 2026 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15842220217,46sleep00-21swapper/007:08:580
160299912464,42cyclictest19968-21systemctl11:40:010
160299912097,12cyclictest0-21swapper/007:10:030
160299911840,40cyclictest23019-21irqstats07:35:310
160299911749,50cyclictest3650irq/20-4900000010:05:410
160299911749,31cyclictest18296-21sshd09:25:170
160299911438,22cyclictest1625-21apt-get12:37:100
160299911370,33cyclictest26887-21apt-key12:05:240
160299911159,35cyclictest3650irq/20-4900000009:36:160
160299911138,20cyclictest754-21systemd-journal12:31:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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