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2026-08-06 - 01:56
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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 Wed Aug 05, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1889121570,4sleep22080599cyclictest11:43:512
1068911190,8ptp4l17459-21kworker/3:109:19:493
106891720,1ptp4l401ktimersoftd/312:47:183
215232700,6sleep321526-21phc2sys14:36:003
222712670,4sleep22080599cyclictest14:04:232
106891660,1ptp4l401ktimersoftd/313:49:073
314022630,2sleep00-21swapper/010:40:340
156752630,5sleep12080199cyclictest14:30:521
106891620,2ptp4l401ktimersoftd/313:35:563
20814996020,3cyclictest41-21ksoftirqd/313:10:393
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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