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2024-04-18 - 05:29
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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 Thu Apr 18, 2024 00:46:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6216392357351,4sleep110-21swapper/1119:05:533
6216542350331,12sleep90-21swapper/919:06:0815
6216312347328,13sleep40-21swapper/419:05:4610
6218492346304,14sleep50-21swapper/519:08:4411
6218272343323,13sleep80-21swapper/819:08:3114
6218352342322,14sleep130-21swapper/1319:08:365
6218762341321,13sleep70-21swapper/719:09:0213
6216232341320,14sleep140-21swapper/1419:05:406
6217722340320,14sleep120-21swapper/1219:07:474
6216242340319,14sleep150-21swapper/1519:05:417
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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