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2025-11-25 - 21:07
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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 Tue Nov 25, 2025 00:46:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18000142362316,14sleep80-21swapper/819:07:4114
18000882357313,14sleep50-21swapper/519:08:4211
18000022356312,15sleep20-21swapper/219:07:358
18001012353310,14sleep10-21swapper/119:08:541
17998802353307,15sleep00-21swapper/019:05:560
18000872349308,14sleep40-21swapper/419:08:4110
17999652349306,14sleep70-21swapper/719:07:0813
17999532348323,16sleep120-21swapper/1219:06:574
18001592346335,7sleep60-21swapper/619:09:3212
17998892344321,15sleep90-21swapper/919:06:0515
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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