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2026-03-27 - 16:51
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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 Fri Mar 27, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1674321460,5sleep01655099cyclictest12:58:300
2511521420,4sleep31657199cyclictest10:55:393
1068911210,8ptp4l14045-21kworker/3:208:03:483
198622800,3sleep10-21swapper/113:33:361
222362720,2sleep20-21swapper/210:53:252
68172690,1sleep30-21swapper/310:38:053
241522660,2sleep20-21swapper/212:00:262
152262660,5sleep11655699cyclictest12:23:421
106891660,1ptp4l401ktimersoftd/311:45:223
161312654,10sleep00-21swapper/008:04:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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