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2025-11-25 - 11:09
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rack0slot0.osadl.org (updated Tue Nov 25, 2025 00:45:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2804221260,0sleep20-21swapper/222:52:182
1279321230,0sleep20-21swapper/221:32:452
2718221120,0sleep10-21swapper/121:47:031
1906321110,0sleep60-21swapper/600:30:576
150472910,0sleep70-21swapper/721:16:547
268002830,1sleep126807-21bash23:45:161
57482800,0sleep10-21swapper/121:25:311
259432800,0sleep00-21swapper/021:30:430
160852800,4sleep61456499cyclictest21:23:286
65152790,0sleep00-21swapper/023:20:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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