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2024-04-19 - 12:26
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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: ondemand
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack5slot4.osadl.org (updated Fri Apr 19, 2024 00:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11677212968,7sleep00-21swapper/019:06:180
11831212865,7sleep10-21swapper/119:08:151
11863212262,6sleep30-21swapper/319:08:423
11659212263,7sleep20-21swapper/219:06:052
76872720,1sleep010-21rcuc/023:10:260
37442660,0sleep00-21swapper/022:35:250
276052650,0sleep10-21swapper/121:42:511
97682570,1sleep00-21swapper/021:15:210
263082570,0sleep30-21swapper/323:37:013
93902560,0sleep30-21swapper/319:30:203
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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