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2026-04-29 - 08:48
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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 Tue Apr 28, 2026 21:16:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2926024270,3sleep10-21swapper/119:12:341
2926024270,3sleep10-21swapper/119:12:341
2926024270,3sleep10-21swapper/119:12:341
2973023900,4sleep20-21swapper/219:12:482
2973023900,4sleep20-21swapper/219:12:482
2973023900,4sleep20-21swapper/219:12:482
2899923140,2sleep30-21swapper/319:12:283
2899923140,2sleep30-21swapper/319:12:283
2899923140,2sleep30-21swapper/319:12:283
211321430,2sleep00-21swapper/020:52:160
211321430,2sleep00-21swapper/020:52:160
2942121240,1sleep012-21ksoftirqd/019:12:380
2942121240,1sleep012-21ksoftirqd/019:12:380
2942121240,1sleep012-21ksoftirqd/019:12:380
2150621120,3sleep00-21swapper/020:17:220
2150621120,3sleep00-21swapper/020:17:220
2150621120,3sleep00-21swapper/020:17:220
775321050,3sleep30-21swapper/321:06:543
775321050,3sleep30-21swapper/321:06:543
775321050,3sleep30-21swapper/321:06:543
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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