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2025-12-25 - 04:20
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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 20 highest latencies:
System rackeslot4.osadl.org (updated Thu Dec 25, 2025 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3311182993429,4cyclictest3418078-21fwupd20:53:010
331118299320,28cyclictest0-21swapper/020:45:120
331118299310,30cyclictest3612627-21cron00:05:000
331118299301,27cyclictest3397560-21sh20:35:000
3311182992919,8cyclictest702-21runrttasks19:50:110
331118299291,25cyclictest3628535-21apt-get00:20:090
331118299291,24cyclictest3526743-21apt-get22:40:130
3311182992912,15cyclictest3429335-21awk21:04:590
331118299290,25cyclictest0-21swapper/022:10:110
331119299280,24cyclictest3311880-21irqcore19:10:153
331118799282,22cyclictest3618420-21apt-get00:10:132
331118299281,24cyclictest3326584-21apt-get19:25:100
331118299281,24cyclictest0-21swapper/023:15:120
331118299280,9cyclictest3516327-21cron22:30:010
331119299271,21cyclictest3496351-21apt-get22:10:103
331118299272,22cyclictest3455336-21apt-get21:30:120
331118299271,6cyclictest3439680-21apt-get21:15:120
331118299271,13cyclictest3542414-21cat22:55:170
331118299271,13cyclictest0-21swapper/023:35:160
331118299270,26cyclictest3367205-21munin-run20:05:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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