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2026-01-17 - 23:31
[ 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
Characteristics of the 10 highest latencies:
System rackdslot2.osadl.org (updated Sat Jan 17, 2026 12:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
286362207172,24sleep00-21swapper/007:09:040
286332206173,22sleep20-21swapper/207:09:022
139591206173,22phc2sys0-21swapper/307:05:583
283892204173,20sleep10-21swapper/107:05:531
1104321170,2sleep00-21swapper/008:45:210
1104321170,2sleep00-21swapper/008:45:200
30972790,6sleep22900799cyclictest07:20:252
139291670,1ptp4l16226-21python08:55:233
29005996633,9cyclictest9-21ksoftirqd/012:30:000
2900699651,19cyclictest26704-21/usr/sbin/munin09:20:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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