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2026-06-21 - 21:26
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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 Sun Jun 21, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26443221529,50sleep00-21swapper/019:09:170
265959910241,44cyclictest5511-21chrt21:59:130
265959910225,38cyclictest11582-21apt20:20:000
265959910137,47cyclictest31860-21cut21:35:170
265959910137,44cyclictest1408-21nginx23:22:460
265959910056,31cyclictest101ktimersoftd/021:45:160
265959910024,36cyclictest18125-21df_inode20:45:190
26595999926,31cyclictest1408-21nginx19:27:280
26595999827,34cyclictest21104-21seq23:00:420
26595999824,52cyclictest31009-21apt-config23:40:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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