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2026-04-11 - 17:18
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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 rack5slot7.osadl.org (updated Sat Apr 11, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24078224302188,90sleep00-21swapper07:04:590
244329910521,62cyclictest30478-21memory11:29:120
244329910316,24cyclictest10262-21users10:29:400
244329910227,41cyclictest0-21swapper07:13:180
244329910212,25cyclictest15987-21ssh12:21:270
244329910135,49cyclictest0-21swapper09:37:160
244329910130,21cyclictest16490-21memory09:14:150
244329910115,63cyclictest6234-21df_inode10:18:430
244329910028,54cyclictest0-21swapper11:25:140
244329910017,21cyclictest11483-21irqstats10:34:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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