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2026-02-24 - 21:23
[ 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 20 highest latencies:
System rackeslot3.osadl.org (updated Tue Feb 24, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
234093899650,2cyclictest0-21swapper/111:10:141
2340938996341,20cyclictest2537950-21kworker/1:212:20:131
234093899630,1cyclictest0-21swapper/107:29:251
234093899620,60cyclictest0-21swapper/109:05:141
2340938996158,2cyclictest0-21swapper/107:34:411
2340938996157,2cyclictest0-21swapper/112:30:411
2340938996142,17cyclictest2519693-21kworker/1:011:55:141
2340938996141,18cyclictest2094356-1kworker/1:2H12:15:011
2340938996044,15cyclictest2483285-21kworker/1:111:15:151
2340938996044,15cyclictest2454974-21kworker/1:210:40:001
2340938996044,15cyclictest2352684-21kworker/1:307:52:411
2340938996043,16cyclictest2094356-1kworker/1:2H10:20:481
2340938996042,16cyclictest2094356-1kworker/1:2H12:03:071
234093899594,53cyclictest2376583-21/usr/sbin/munin09:00:141
2340938995943,15cyclictest2473050-21kworker/1:111:00:161
2340938995943,15cyclictest2398643-21kworker/1:009:37:471
2340938995943,15cyclictest2094356-1kworker/1:2H09:30:141
2340938995942,16cyclictest2094356-1kworker/1:2H10:15:181
2340938995941,17cyclictest2505907-21kworker/1:111:40:141
2340938995941,17cyclictest2505907-21kworker/1:111:40:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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