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2026-02-10 - 01:45
[ 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 Tue Feb 10, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
304241821020,1sleep60-21swapper/622:46:216
31083512950,1sleep73108353-21ssh23:14:597
255712726757,7sleep40-21swapper/419:03:514
255695825419,30sleep70-21swapper/719:01:387
255703425343,7sleep50-21swapper/519:02:325
255710225242,7sleep60-21swapper/619:03:296
2557582994947,2cyclictest2913576-21kworker/u16:5+flush-8:022:56:306
2557577994845,2cyclictest2913576-21kworker/u16:5+flush-8:022:41:284
2557577994845,2cyclictest2913576-21kworker/u16:5+flush-8:022:41:284
2557584994742,4cyclictest2890329-21latency_hist21:46:007
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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