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2025-03-18 - 14:22
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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 rackaslot8.osadl.org (updated Tue Mar 18, 2025 00:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
52332277243,22sleep10-21swapper/119:09:091
33242273239,23sleep00-21swapper/019:05:100
50972264208,19sleep20-21swapper/219:07:262
51032263229,21sleep30-21swapper/319:07:303
100682640,0sleep10-21swapper/123:55:151
72622570,1sleep00-21swapper/021:20:160
64252190,0sleep00-21swapper/000:17:370
113282190,0sleep00-21swapper/022:39:420
57752170,0sleep00-21swapper/023:25:550
324962150,0sleep00-21swapper/022:30:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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