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2026-01-07 - 11:12
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack3slot2.osadl.org (updated Wed Jan 07, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
405525322620,3chrt4055250-21ntpq19:45:360
413040122510,2chrt4130397-21ntpq00:16:100
405896722500,4chrt4058943-21munin-run20:00:030
408897822460,3chrt4088981-21cut21:46:150
404502299244214,19cyclictest4124419-21kworker/u2:000:00:020
412022222410,3chrt4120224-21sendmail23:40:000
404502299241212,17cyclictest4124419-21kworker/u2:000:25:360
404502299237206,19cyclictest4124419-21kworker/u2:000:05:370
404502299235204,19cyclictest4049214-21kworker/u2:119:30:370
404502299230200,18cyclictest4079862-21kworker/u2:021:20:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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