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2026-07-25 - 01:02
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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 Fri Jul 24, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10495222039,51sleep00-21swapper/019:08:430
13046211914,13sleep013048-21fw_forwarded_lo21:25:260
23765211715,11sleep023766-21users22:05:530
32746211614,11sleep032752-21ntp_states20:35:390
848921156,12sleep08174-21/usr/sbin/munin23:15:330
1278321138,15sleep012839-21wc23:30:470
107159911391,12cyclictest0-21swapper/019:10:030
30033211113,13sleep029249-21apt-get00:35:450
2222821086,11sleep022254-21nfs4_client22:00:340
1767521075,11sleep017682-21ntp_states23:50:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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