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2024-06-17 - 04:12
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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 rack0slot3.osadl.org (updated Mon May 27, 2024 12:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30841232379359,13sleep00-21swapper/007:09:000
30841332372367,3sleep80-21swapper/807:09:0814
30829322359353,4sleep110-21swapper/1107:05:263
30839482355313,14sleep150-21swapper/1507:06:347
30841112351345,4sleep50-21swapper/507:08:4911
30839582347325,15sleep70-21swapper/707:06:4213
30841392342322,13sleep140-21swapper/1407:09:146
30841542341321,14sleep100-21swapper/1007:09:262
30840772341321,14sleep90-21swapper/907:08:2215
30839922341320,14sleep40-21swapper/407:07:1310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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