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2026-04-24 - 09:11
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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 Fri Apr 24, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
56769910694753435,53416cyclictest2099-21runrttasks21:57:000
56769910675353441,53223cyclictest11-21rcu_preempt21:39:050
56769910671953433,53286cyclictest0-21swapper23:48:220
56769910671353423,53199cyclictest0-21swapper20:17:110
56769910667853414,53264cyclictest0-21swapper22:00:010
56769910665153474,53112cyclictest0-21swapper21:34:230
56769910664553472,53050cyclictest3261-21gnome-power-man21:25:110
56769910662153322,53276cyclictest18230-21ssh21:49:480
56769910659053410,53180cyclictest0-21swapper00:30:340
56769910651753477,53040cyclictest0-21swapper22:57:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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