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2025-12-25 - 07:40
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack3slot2.osadl.org (updated Thu Dec 25, 2025 00:44:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
186430522640,3sleep01864308-21latency_hist19:10:070
188468122510,4chrt1884679-21users20:21:230
194603522500,4chrt1946033-21ntp_states00:01:320
195015622370,3chrt1950152-21ntpq00:16:100
186423299236206,18cyclictest1863303-21kworker/u2:119:10:370
186423299235204,19cyclictest1948138-21kworker/u2:200:30:030
186423299235204,18cyclictest1929314-21kworker/u2:023:05:360
186423299235203,20cyclictest1903628-21kworker/u2:121:55:350
186423299234204,18cyclictest1895330-21kworker/u2:221:05:370
186423299232202,19cyclictest1869010-21kworker/u2:019:40:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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