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2025-12-07 - 00:24
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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 Sat Dec 06, 2025 00:46:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20589942372365,5sleep40-21swapper/419:08:0810
20589702367320,15sleep150-21swapper/1519:07:477
20588262360315,14sleep110-21swapper/1119:05:513
20585692359350,6sleep70-21swapper/719:05:3113
20589022356312,13sleep100-21swapper/1019:06:552
20587862356313,35sleep80-21swapper/819:05:3114
20589772354311,14sleep50-21swapper/519:07:5311
20590712352312,14sleep30-21swapper/319:09:129
20591302345303,15sleep00-21swapper/019:09:570
20588582342319,15sleep90-21swapper/919:06:2015
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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