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2026-04-21 - 09:46
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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 rack9slot4.osadl.org (updated Tue Apr 21, 2026 00:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33341141108sleep0-21swapper/112:29:521
39139912142cyclictest26617-21latency_hist17:10:130
39139911334cyclictest6331-21vmstat17:45:540
3773110867sleep0-21swapper/012:30:020
39139910541cyclictest24007-21awk15:15:400
39139910331cyclictest0-21swapper/012:55:400
39139910135cyclictest22039-21grep13:25:370
39139910078cyclictest0-21swapper/013:20:230
39139910032cyclictest0-21swapper/013:15:360
39139910031cyclictest0-21swapper/016:25:110
3913999938cyclictest20308-21latency_hist16:50:120
3913999834cyclictest28904-21latency_hist13:50:070
3913999834cyclictest28904-21latency_hist13:50:070
3913999824cyclictest0-21swapper/016:35:120
3913999739cyclictest23159-21fschecks_count13:30:260
3913999739cyclictest23159-21fschecks_count13:30:260
3913999735cyclictest14908-21latency_hist13:05:050
3913999735cyclictest10613-21latency_hist14:35:080
3913999733cyclictest0-21swapper/015:00:090
3913999728cyclictest0-21swapper/014:20:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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