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2026-04-19 - 00:58
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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 rackbslot6.osadl.org (updated Sat Apr 18, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2528821820,4sleep03046999cyclictest12:00:270
2583621720,4sleep13047499cyclictest10:21:111
2171821650,4sleep33048799cyclictest12:29:253
570921330,3sleep03046999cyclictest09:40:430
106891990,3ptp4l401ktimersoftd/308:18:593
106891710,1ptp4l401ktimersoftd/312:31:253
288032690,2sleep20-21swapper/211:30:382
30712650,4sleep23066-21if_err_enp1s013:15:452
30474996555,4cyclictest25-21ksoftirqd/112:05:371
284752650,4sleep3401ktimersoftd/312:02:553
106891650,1ptp4l401ktimersoftd/311:55:463
33982630,2sleep10-21swapper/109:35:431
106891630,1ptp4l401ktimersoftd/312:37:243
106891630,1ptp4l401ktimersoftd/311:01:043
324472610,2sleep10-21swapper/109:30:331
324472610,2sleep10-21swapper/109:30:331
264502590,2sleep30-21swapper/313:40:113
70812580,3sleep10-21swapper/113:20:261
299422580,5sleep029947-21cpuspeed_turbos09:25:340
106891560,2ptp4l401ktimersoftd/310:05:353
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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