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2026-04-10 - 08:46
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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 20 highest latencies:
System rack4slot1.osadl.org (updated Thu Apr 09, 2026 21:11:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2850921520,2sleep00-21swapper/019:22:040
2850921520,2sleep00-21swapper/019:22:040
2850921520,2sleep00-21swapper/019:22:040
2508721190,3chrt0-21swapper/119:12:071
2508721190,3chrt0-21swapper/119:12:071
2671821070,3chrt0-21swapper/220:42:042
2671821070,3chrt0-21swapper/220:42:042
456921020,1sleep012-21ksoftirqd/019:42:140
456921020,1sleep012-21ksoftirqd/019:42:140
2700921010,2sleep20-21swapper/219:17:072
2700921010,2sleep20-21swapper/219:17:072
7422950,2sleep20-21swapper/220:57:162
7422950,2sleep20-21swapper/220:57:162
274872910,1sleep012-21ksoftirqd/020:42:150
274872910,1sleep012-21ksoftirqd/020:42:150
251882740,4sleep00-21swapper/019:12:110
251882740,4sleep00-21swapper/019:12:110
131892600,2sleep30-21swapper/320:07:003
131892600,2sleep30-21swapper/320:07:003
115992540,3sleep20-21swapper/220:02:052
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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