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2026-05-30 - 21:49
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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
Characteristics of the 10 highest latencies:
System rack6slot6 (updated Sat May 30, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
221839910704853478,53472cyclictest6954-21ssh09:56:210
221839910683453351,53448cyclictest27549-21ssh09:40:060
221839910674153455,53189cyclictest1828-21hald-addon-acpi09:11:080
221839910671253475,53115cyclictest11929-21ssh10:51:470
221839910666553418,53156cyclictest0-21swapper08:10:510
221839910663853472,53101cyclictest19177-21kworker/0:010:01:220
221839910660853462,53050cyclictest18584-21ssh12:37:370
221839910655453390,53099cyclictest0-21swapper11:49:540
221839910654153412,53129cyclictest0-21swapper10:17:470
221839910653153423,53043cyclictest0-21swapper12:28:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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