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2017-12-15 - 13:13

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Latency plot of system in rack #4, slot #4
Note that at least one system runs a non-RT kernel (x scale expanded to 2000 µs).
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Command line:
Characteristics of the highest latencies:

 

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