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2025-12-03 - 20:42
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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 Dec 03, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
249621530,4sleep284999cyclictest11:13:572
2742321350,5sleep083999cyclictest13:43:580
2742321350,5sleep083999cyclictest13:43:580
1773911050,4ptp4l401ktimersoftd/308:22:123
252322660,2sleep30-21swapper/311:42:373
843996554,5cyclictest25-21ksoftirqd/112:28:571
843996451,5cyclictest25-21ksoftirqd/109:18:501
185562620,2sleep10-21swapper/110:04:031
308852610,3sleep130881-21apt-config10:28:401
177391610,1ptp4l401ktimersoftd/310:48:543
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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