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2026-05-20 - 12:53
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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 Tue May 19, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2400327780,13sleep023964-21latency_hist07:10:010
2401999124101,13cyclictest0-21swapper/007:10:030
240199911152,39cyclictest9158-21/usr/sbin/munin12:30:280
240199910770,23cyclictest101ktimersoftd/007:15:390
12198210321,14sleep0101ktimersoftd/008:30:180
24019999759,23cyclictest101ktimersoftd/010:22:100
24019999755,22cyclictest0-21swapper/011:56:380
223822975,11sleep022412-21ps09:10:440
24019999569,11cyclictest101ktimersoftd/007:50:290
24019999437,41cyclictest10150irq/55-4a10000012:12:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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