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2025-09-16 - 04:22
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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 Tue Sep 16, 2025 00:46:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15498132361314,15sleep50-21swapper/519:05:4411
15500662357312,35sleep150-21swapper/1519:09:077
15498432353310,14sleep110-21swapper/1119:06:053
15498412351310,15sleep90-21swapper/919:06:0415
15499002350341,6sleep70-21swapper/719:06:5013
15500702349339,6sleep10-21swapper/119:09:091
15501142346324,14sleep80-21swapper/819:09:4814
15498142346323,15sleep60-21swapper/619:05:4512
15500472343320,15sleep130-21swapper/1319:08:495
15499682343332,7sleep00-21swapper/019:07:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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