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2026-02-04 - 05:56
[ 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 Wed Feb 04, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33350582720,1sleep73335057-21ssh21:48:217
299209925821,32sleep70-21swapper/719:03:167
299230825242,7sleep60-21swapper/619:06:116
299212424736,8sleep50-21swapper/519:03:385
299201124635,8sleep40-21swapper/419:02:004
2992628994436,7cyclictest3516749-21latency_hist23:06:237
2992625994442,2cyclictest3514659-21kworker/u16:2+flush-8:000:21:506
33368822390,0sleep50-21swapper/521:51:245
2992625993937,2cyclictest3468646-21kworker/u16:0+flush-8:023:31:536
2992625993937,2cyclictest3406370-21kworker/u16:3+events_unbound22:25:586
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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