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2023-12-06 - 06:23
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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 rack8slot7.osadl.org (updated Wed Dec 06, 2023 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
747099210,20cyclictest0-21swapper/023:12:260
747199180,18cyclictest0-21swapper/123:52:201
7471991716,1cyclictest0-21swapper/121:17:271
7470991715,1cyclictest21814-21x2golistsession00:15:460
7471991514,1cyclictest0-21swapper/121:27:001
7470991514,1cyclictest0-21swapper/023:49:060
747099150,15cyclictest0-21swapper/022:55:060
7471991413,1cyclictest0-21swapper/123:59:471
7471991413,1cyclictest0-21swapper/122:47:021
747099147,2cyclictest1658-21munin-run23:09:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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