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2026-02-25 - 05:05
[ 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 20 highest latencies:
System rackcslot4.osadl.org (updated Wed Feb 25, 2026 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37968482261187,28sleep10-21swapper/119:07:031
37960462252179,19sleep00-21swapper/019:05:250
386802621370,2sleep13868027-21cat21:40:191
38945472590,3sleep00-21swapper/022:17:050
179699500,4rtkit-daemon1795-21rtkit-daemon19:32:400
179699490,3rtkit-daemon1795-21rtkit-daemon21:53:550
179699490,3rtkit-daemon1795-21rtkit-daemon21:04:500
179699480,4rtkit-daemon1795-21rtkit-daemon21:56:510
179699480,4rtkit-daemon1795-21rtkit-daemon20:08:220
179699390,5rtkit-daemon1795-21rtkit-daemon22:15:010
379727799380,37cyclictest0-21swapper/100:30:191
38050022370,3chrt0-21swapper/019:25:240
179699360,5rtkit-daemon1795-21rtkit-daemon22:09:000
179699360,4rtkit-daemon0-21swapper/021:41:370
179699360,3rtkit-daemon0-21swapper/022:53:320
3797272993530,3cyclictest3798237-21which19:10:230
179699350,5rtkit-daemon3986716-21taskset00:28:070
179699350,5rtkit-daemon1795-21rtkit-daemon22:03:270
179699350,4rtkit-daemon1795-21rtkit-daemon21:17:330
179699350,3rtkit-daemon1795-21rtkit-daemon19:55:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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