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2026-05-17 - 11:55
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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 May 16, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26699220427,51sleep00-21swapper/007:06:520
2713699129106,13cyclictest0-21swapper/007:10:040
271369912843,33cyclictest1696-21ntp_states09:40:430
271369912381,32cyclictest2010-21node08:25:260
271369912362,21cyclictest13080-21seq12:30:540
271369912341,30cyclictest32668-21diskstats09:35:220
271369912248,55cyclictest11872-21scp12:26:450
271369912152,38cyclictest2582-21mailstats11:50:530
271369912149,36cyclictest4023-21fw_forwarded_lo09:50:280
271369912149,19cyclictest2283-21ntp_states07:36:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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