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2025-11-23 - 22:51
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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 Sun Nov 23, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1545721640,4sleep22751699cyclictest11:28:242
1773911050,4ptp4l401ktimersoftd/308:14:253
275542700,2sleep20-21swapper/211:03:312
187722700,2sleep00-21swapper/012:47:270
85852690,2sleep00-21swapper/010:41:370
27516996854,6cyclictest33-21ksoftirqd/213:03:222
2751199670,2cyclictest0-21swapper/113:14:551
177391670,2ptp4l401ktimersoftd/309:53:073
177391670,1ptp4l401ktimersoftd/312:19:433
177391670,1ptp4l401ktimersoftd/311:08:353
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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