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2025-11-18 - 19:39
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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
Characteristics of the 10 highest latencies:
System rack3slot0.osadl.org (updated Tue Nov 18, 2025 12:43:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
196902720,0sleep40-21swapper/411:07:534
221622650,0sleep00-21swapper/011:55:060
3063025341,8sleep70-21swapper/706:52:517
95372470,0sleep50-21swapper/511:57:515
63032460,1sleep16304-21grepconf.sh10:03:021
3074224634,9sleep40-21swapper/406:54:164
2991024625,5sleep30-21swapper/306:49:503
3049124332,8sleep20-21swapper/206:50:542
267402430,0sleep60-21swapper/610:06:046
3056524230,8sleep00-21swapper/006:51:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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