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2024-07-27 - 07:40
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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 rack3slot6.osadl.org (updated Sat Jul 27, 2024 00:45:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
794321230,4chrt7941-21df23:45:170
1048821180,4chrt10483-21unixbench_singl23:50:330
205772900,4chrt20112-21apt-get00:20:140
374499828,62cyclictest3822-21apt-get19:10:120
374499827,63cyclictest22355-21apt-get00:25:110
374499807,62cyclictest24694-21apt-get20:05:160
374499797,61cyclictest3686-21apt-get22:05:150
374499796,62cyclictest3060-21apt-get20:35:110
374499787,60cyclictest22900-21apt-get21:30:160
374499787,59cyclictest31915-21apt-get20:25:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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