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2026-05-01 - 10:52
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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 Thu Apr 30, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
204399916675,37cyclictest16914-21df11:10:150
20121215453,68sleep00-21swapper/007:07:540
204399915279,53cyclictest9557-21chrt08:34:510
204399915269,62cyclictest11198-21chrt08:40:270
204399914973,37cyclictest4461-21fw_conntrack12:25:430
204399914879,33cyclictest26234-21munin-run09:40:020
204399914875,50cyclictest29235-21apt-config12:00:110
204399914874,20cyclictest5549-21ntp_states10:25:420
204399914770,20cyclictest12619-21ntp_states08:45:420
204399914671,37cyclictest22529-21apt-get07:17:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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