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2025-05-09 - 05:52
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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 rack0slot4.osadl.org (updated Fri May 09, 2025 00:46:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17340862369322,15sleep70-21swapper/719:07:3113
17341782348340,5sleep30-21swapper/319:08:489
17340302345335,6sleep120-21swapper/1219:06:484
17341202343319,15sleep60-21swapper/619:08:0312
17341702342318,15sleep130-21swapper/1319:08:425
17340932342319,15sleep140-21swapper/1419:07:376
17339452342320,14sleep110-21swapper/1119:05:433
17341312341318,15sleep150-21swapper/1519:08:127
17342122340316,15sleep10-21swapper/119:09:171
17342192339317,14sleep20-21swapper/219:09:198
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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