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2026-02-04 - 17:27
[ 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 Wed Feb 04, 2026 12:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591214170,33phc2sys0-21swapper/307:07:313
11692204171,22sleep00-21swapper/007:07:410
12452203171,21sleep10-21swapper/107:08:361
10062203169,23sleep20-21swapper/207:05:342
139291670,1ptp4l401ktimersoftd/310:53:333
1671995924,6cyclictest33-21ksoftirqd/211:35:002
1671995924,6cyclictest33-21ksoftirqd/211:35:002
1671995829,7cyclictest33-21ksoftirqd/211:15:182
1671995826,3cyclictest33-21ksoftirqd/208:05:162
1671995825,4cyclictest33-21ksoftirqd/209:39:592
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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