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2024-07-16 - 08:33
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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 rack5slot2.osadl.org (updated Mon Jul 15, 2024 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33972205190,10sleep10-21swapper/107:09:231
32352203188,11sleep30-21swapper/307:07:173
25302188169,14sleep00-21swapper/007:05:380
25542158141,12sleep20-21swapper/207:05:552
93352460,0sleep20-21swapper/211:22:052
46562460,0sleep00-21swapper/009:12:050
116632430,0sleep20-21swapper/209:47:222
171302420,0sleep30-21swapper/312:15:033
40392130,0sleep30-21swapper/309:43:553
962290,0sleep30-21swapper/311:50:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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