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2026-04-12 - 22:22
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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 rack7slot3.osadl.org (updated Sun Apr 12, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
299612234721sleep29963-21ntp_offset07:02:140
3063799264238cyclictest14913-21grep10:33:190
3063799259230cyclictest21039-21df08:46:590
3063799258200cyclictest2883-21grep11:53:290
3063799257231cyclictest9551-21rm10:12:190
3063799257231cyclictest31908-21latency_hist07:12:050
3063799257229cyclictest7888-21ssh10:05:210
306379925698cyclictest18309-21cpu10:46:550
306379925674cyclictest20793-21/usr/sbin/munin10:57:110
3063799256230cyclictest30631-21cyclictest12:09:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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