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2026-03-10 - 04:16
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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 Mar 10, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25642590,0sleep50-21swapper/521:42:555
1880425531,9sleep70-21swapper/719:03:077
149702550,1sleep414972-21bash21:49:114
112402550,1sleep611230-21sshd23:05:546
238402510,0sleep20-21swapper/221:11:212
1882325125,9sleep40-21swapper/419:03:204
77402500,0sleep50-21swapper/521:37:435
225492490,1sleep7885-21polkitd22:48:097
1885224926,8sleep20-21swapper/219:03:422
1884424938,8sleep30-21swapper/319:03:353
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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