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2024-10-14 - 05:22
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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 rack0slot4.osadl.org (updated Mon Oct 14, 2024 00:46:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6830952365318,15sleep90-21swapper/919:09:5115
6806152365356,5sleep70-21swapper/719:05:1613
6828662364315,15sleep150-21swapper/1519:06:447
6828032360315,14sleep130-21swapper/1319:05:545
6830252357312,14sleep20-21swapper/219:08:568
6829522355308,15sleep60-21swapper/619:07:5612
6795202351341,6sleep00-21swapper/019:05:080
6828612349339,6sleep120-21swapper/1219:06:414
6829842346322,14sleep40-21swapper/419:08:2610
6829882344319,15sleep80-21swapper/819:08:3114
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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