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2024-11-22 - 10:26
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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: performance
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack0slot0.osadl.org (updated Fri Nov 22, 2024 00:45:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1372921650,0sleep00-21swapper/000:26:420
1372921650,0sleep00-21swapper/000:26:420
1069721520,3sleep51244299cyclictest23:18:445
191821410,1sleep61909-21sshd23:14:276
2478721280,0sleep60-21swapper/622:16:166
2191521280,0sleep521916-21sshd00:17:265
2191521280,0sleep521916-21sshd00:17:265
1501321210,1sleep215012-21sshd23:46:142
256021190,0sleep30-21swapper/322:23:583
2649421180,0sleep60-21swapper/600:11:026
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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