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2026-04-05 - 20:47
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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 Sun Apr 05, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
928021500,5sleep03122299cyclictest13:13:400
928021500,5sleep03122299cyclictest13:13:400
229721490,4sleep23123499cyclictest12:01:162
1068911210,9ptp4l17330-21kworker/3:008:09:103
206412760,4sleep03122299cyclictest13:25:450
129902700,4sleep33123999cyclictest08:38:343
63442690,5sleep33123999cyclictest12:38:303
79232610,4sleep33123999cyclictest11:00:503
187592580,2sleep00-21swapper/012:18:240
3123999570,15cyclictest31960-21ssh10:53:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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