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2026-09-22 - 13:55
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack5slot7.osadl.org (updated Tue Sep 22, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23446224960,12sleep022182-1kworker/u3:018:58:360
236309914571,49cyclictest19748-21munin-run00:29:580
236309914368,37cyclictest28150-21apt-get21:45:210
236309914365,34cyclictest2565-21apt-get22:05:200
236309914271,47cyclictest6035-21munin-run23:50:010
236309914267,50cyclictest20273-21memory22:56:190
236309914266,50cyclictest29878-21apt-get21:50:200
236309914165,33cyclictest4296-21apt-get22:10:170
236309914067,52cyclictest24714-21/usr/sbin/munin21:36:320
236309913965,52cyclictest17843-21apt-get21:15:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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