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2026-01-23 - 08:00
[ 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 Fri Jan 23, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
38268622930,0sleep40-21swapper/419:52:124
1569642900,0sleep60-21swapper/623:42:296
41759912670,1sleep74175992-21rm22:29:057
373574726656,7sleep60-21swapper/619:03:276
373570925949,7sleep50-21swapper/519:02:545
3736312995452,2cyclictest4068530-21kworker/u16:1+events_unbound21:47:264
3736312995451,2cyclictest4083529-21kworker/u16:3+events_unbound22:02:294
373599525319,30sleep70-21swapper/719:06:577
3736312995250,2cyclictest152310-21kworker/u16:1+events_unbound23:42:254
373597025141,7sleep40-21swapper/419:06:384
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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