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2025-12-22 - 11:37
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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 Mon Dec 22, 2025 01:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29307221737,52sleep00-21swapper/019:07:520
296269916354,14cyclictest3650irq/20-4900000022:50:430
296269916240,30cyclictest3650irq/20-4900000021:22:120
296269916046,29cyclictest3650irq/20-4900000020:15:440
296269915953,17cyclictest30072-21/usr/sbin/munin19:10:390
296269915831,33cyclictest21556-21runrttasks20:45:210
296269915439,28cyclictest3650irq/20-4900000019:18:030
296269915021,15cyclictest23205-21latency_hist23:00:050
296269914847,22cyclictest10150irq/55-4a10000022:05:250
296269914845,26cyclictest0-21swapper/020:50:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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