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2026-03-21 - 13:19
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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 21, 2026 01:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21399222439,56sleep00-21swapper/019:05:070
225989916570,39cyclictest17356-21apt-get23:02:130
225989916383,38cyclictest754-21systemd-journal00:40:000
225989915582,34cyclictest9135-21apt-get22:30:050
225989915481,53cyclictest29852-21chrt23:45:360
225989915479,55cyclictest18991-21apt-get23:06:230
225989915281,20cyclictest13247-21apt-get22:45:500
225989915177,54cyclictest3367-21wget00:10:140
225989915080,50cyclictest8568-21cpu00:30:160
225989915076,38cyclictest4243-21apt-get20:07:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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