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2026-07-13 - 15:15
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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 Mon Jul 13, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20286220040,128sleep00-21swapper/019:06:040
208279915858,42cyclictest5589-21apt-get00:27:110
208279914875,52cyclictest801-21dbus-daemon22:40:010
208279914468,36cyclictest8060-21diskstats22:30:240
208279914376,50cyclictest20764-21apt-get19:12:080
208279914166,20cyclictest27440-21seq19:32:070
208279913760,21cyclictest21846-21apt-get23:27:100
208279913661,55cyclictest1305-21snmpd00:07:150
208279913560,36cyclictest30790-21ntp_states19:45:390
208279913556,22cyclictest3949-21apt-get00:22:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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