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2026-05-03 - 01:53
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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 10 highest latencies:
System rackbslot6.osadl.org (updated Sat May 02, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1101721670,5sleep2930199cyclictest08:28:322
220021570,5sleep1929499cyclictest13:43:271
1068911010,4ptp4l401ktimersoftd/308:23:263
87082730,5sleep28707-21cut11:38:252
928999669,22cyclictest164162rm12:18:320
206682650,4sleep3930599cyclictest08:48:243
9289996313,22cyclictest2473-21diskmemload13:40:580
930199581,26cyclictest15820-21ssh13:57:302
9294995848,6cyclictest25-21ksoftirqd/110:58:181
930199571,26cyclictest25740-21needreboot08:58:262
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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