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2025-07-01 - 23:57
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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 rack0slot0.osadl.org (updated Tue Jul 01, 2025 12:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1619021500,3sleep62831199cyclictest11:17:506
176492880,4sleep62831199cyclictest07:55:006
176492880,4sleep62831199cyclictest07:55:006
210692870,0sleep70-21swapper/711:47:097
304022830,1sleep60-21swapper/612:35:086
284972800,4sleep22828699cyclictest10:51:022
200372790,0sleep00-21swapper/010:30:400
200372790,0sleep00-21swapper/010:30:400
76192770,1sleep7771ktimersoftd/712:22:277
78432760,0sleep00-21swapper/010:05:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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