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2025-11-24 - 10:41
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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 Mon Nov 24, 2025 01:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25073221935,52sleep00-21swapper/019:09:340
251919917145,31cyclictest3650irq/20-4900000000:27:110
251919916048,27cyclictest101ktimersoftd/020:35:030
251919914062,11cyclictest101ktimersoftd/023:35:180
251919913844,27cyclictest101ktimersoftd/022:10:360
251919911894,14cyclictest0-21swapper/019:10:030
2824211115,83sleep02853-21latency_hist19:50:080
31459210810,87sleep031469-21ntp_states21:40:360
1680421035,11sleep016508-21/usr/sbin/munin22:50:310
246702996,79sleep024671-21fw_forwarded_lo21:15:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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