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2025-12-23 - 07:54
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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 rack0slot0.osadl.org (updated Tue Dec 23, 2025 00:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2525721320,3sleep41813599cyclictest23:28:014
2162121110,0sleep721623-21id23:01:037
153302810,0sleep50-21swapper/521:52:025
275362780,0sleep00-21swapper/000:10:190
228832780,0sleep10-21swapper/123:11:461
182812750,0sleep70-21swapper/721:21:107
95642730,0sleep69561-21bash22:43:326
82352730,0sleep00-21swapper/000:07:150
46582700,0sleep60-21swapper/600:11:546
61202690,1sleep4501ktimersoftd/422:48:094
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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