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2024-11-22 - 10:12
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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
Characteristics of the 10 highest latencies:
System rack1slot1.osadl.org (updated Fri Nov 22, 2024 00:45:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
80432234160,26sleep30-21swapper/319:08:003
78892231156,24sleep00-21swapper/019:06:000
80412214160,42sleep10-21swapper/119:07:581
78962200161,26sleep20-21swapper/219:06:052
146242870,2sleep121-21ksoftirqd/119:20:151
48692590,0sleep30-21swapper/321:52:323
8274991717,0cyclictest9-21ksoftirqd/023:14:210
136792160,0sleep10-21swapper/121:24:551
8274991515,0cyclictest9-21ksoftirqd/023:42:460
245842150,1sleep2271rcuc/223:36:272
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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