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2026-02-19 - 23:10
[ 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 20 highest latencies:
System rack0slot2.osadl.org (updated Thu Feb 19, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8553332990,1sleep7855331-21ssh10:04:507
5037332960,1sleep7503732-21kthreadcore07:15:427
12038392910,1sleep50-21swapper/512:25:455
47571225848,7sleep40-21swapper/407:03:464
47560325747,7sleep50-21swapper/507:02:105
476117995654,2cyclictest901911-21kworker/u16:1+flush-8:011:00:375
476117995553,2cyclictest818745-21kworker/u16:0+events_unbound10:35:525
476113995351,2cyclictest456861-21kworker/u16:2+flush-8:007:10:284
476117995250,2cyclictest566081-21kworker/u16:0+events_unbound09:00:495
476126995146,4cyclictest1195774-21latency_hist12:25:217
476126994845,2cyclictest124-21kswapd010:55:217
476117994846,2cyclictest527395-21kworker/u16:3+flush-8:007:40:465
476121994745,2cyclictest901911-21kworker/u16:1+events_unbound11:30:476
476113994745,2cyclictest819243-21kworker/u16:4+events_unbound10:20:494
476117994644,2cyclictest977050-21kworker/u16:0+events_unbound11:20:555
476117994644,2cyclictest819243-21kworker/u16:4+events_unbound10:25:485
476117994644,2cyclictest566081-21kworker/u16:0+events_unbound08:20:485
476117994543,2cyclictest818745-21kworker/u16:0+events_unbound10:40:495
476117994543,2cyclictest1183235-21kworker/u16:0+events_unbound12:20:355
476113994543,2cyclictest1037933-21kworker/u16:4+flush-8:011:30:514
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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