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2026-09-02 - 05:37
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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 Tue Sep 01, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9992223825,71sleep09609-21/usr/sbin/munin07:05:320
107939912093,17cyclictest31148-21dmidecode12:39:070
2981321076,12sleep029816-21cron12:35:020
1740321065,13sleep017401-21ntp_states09:40:430
107939910661,29cyclictest101ktimersoftd/008:12:150
459921055,11sleep04597-21diskstats10:55:220
311032995,11sleep030221-21apt-get08:26:030
268242985,11sleep025959-21apt-get10:15:580
10793999857,11cyclictest101ktimersoftd/008:45:230
10793999775,12cyclictest0-21swapper/007:10:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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