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2026-04-09 - 06:05
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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 Wed Apr 08, 2026 20:01:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2389824520,1sleep227-21ksoftirqd/219:12:202
2389824520,1sleep227-21ksoftirqd/219:12:202
1924121410,2sleep30-21swapper/319:39:503
1924121410,2sleep30-21swapper/319:39:503
523721350,4sleep30-21swapper/319:52:143
523721350,4sleep30-21swapper/319:52:143
1804521350,5sleep30-21swapper/319:22:153
1804521350,5sleep30-21swapper/319:22:153
1804521350,5sleep30-21swapper/319:22:153
3247721250,4chrt0-21swapper/319:20:223
3247721250,4chrt0-21swapper/319:20:223
571221110,5sleep30-21swapper/319:45:223
571221110,5sleep30-21swapper/319:45:223
571221110,5sleep30-21swapper/319:45:223
838021100,2chrt8379-21benchlatencyplo19:24:442
838021100,2chrt8379-21benchlatencyplo19:24:442
838021100,2chrt8379-21benchlatencyplo19:24:442
1335821100,2sleep113359-21ts2lt19:39:121
1335821100,2sleep113359-21ts2lt19:39:121
719221090,3sleep30-21swapper/319:28:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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