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2025-08-27 - 05:44
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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 rackaslot8.osadl.org (updated Wed Aug 27, 2025 00:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
243572307273,21sleep20-21swapper/219:09:542
243412284255,18sleep10-21swapper/119:09:411
241432271240,20sleep00-21swapper/019:07:080
240402265229,23sleep30-21swapper/319:06:053
326912660,0sleep20-21swapper/200:11:012
219502630,0sleep20-21swapper/223:14:192
72922620,0sleep20-21swapper/221:28:152
9702530,0sleep20-21swapper/222:58:472
204232140,0sleep00-21swapper/020:10:170
271852130,0sleep20-21swapper/222:54:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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