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2026-02-06 - 00:37
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
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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 rack0slot2.osadl.org (updated Thu Feb 05, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
323348021020,1sleep73233481-21cat09:46:127
289906527159,8sleep50-21swapper/507:04:415
289894925848,7sleep40-21swapper/407:03:044
289905725646,7sleep60-21swapper/607:04:346
2899483994846,2cyclictest3405370-21kworker/u16:1+flush-8:011:21:436
2899483994038,2cyclictest3488460-21kworker/u16:2+events_unbound12:17:436
2899483994038,2cyclictest3488460-21kworker/u16:2+events_unbound12:17:436
2899483994038,2cyclictest3405370-21kworker/u16:1+events_unbound12:24:086
2899483994038,2cyclictest3405370-21kworker/u16:1+events_unbound12:24:086
2899483994038,2cyclictest3197183-21kworker/u16:3+events_unbound09:37:326
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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