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2026-01-14 - 14:05
[ 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 rackdslot3.osadl.org (updated Wed Jan 14, 2026 00:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23092209170,28sleep20-21swapper/219:06:372
24912204171,22sleep10-21swapper/119:08:491
22552202169,22sleep30-21swapper/319:05:533
24952201168,22sleep00-21swapper/019:08:530
26202163123,14sleep00-21swapper/019:10:010
139391570,1ptp4l401ktimersoftd/320:50:243
239742560,5sleep3291599cyclictest21:00:153
139391550,1ptp4l401ktimersoftd/322:27:533
259702510,2sleep125973-21cpuspeed_turbos21:05:141
2913994411,19cyclictest20632-21seq20:52:301
139391440,0ptp4l401ktimersoftd/321:35:143
2915994337,3cyclictest207-21systemd-journal00:04:133
291399431,2cyclictest0-21swapper/120:41:041
139391430,0ptp4l401ktimersoftd/320:23:393
139391420,1ptp4l401ktimersoftd/319:42:563
139391410,0ptp4l401ktimersoftd/320:35:243
139391410,0ptp4l401ktimersoftd/319:27:573
2913994026,12cyclictest25-21ksoftirqd/120:29:441
139391400,0ptp4l401ktimersoftd/321:40:233
2913993832,4cyclictest25-21ksoftirqd/123:40:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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