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2026-02-24 - 20:12
[ 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 rackfslot7.osadl.org (updated Tue Feb 24, 2026 12:46:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
224384899960,17cyclictest0-21swapper/711:40:147
224383799950,94cyclictest0-21swapper/208:25:172
2243835996424,40cyclictest2377622-21ntpq11:10:201
224384599590,19cyclictest0-21swapper/607:30:166
224383599590,40cyclictest2352545-21ntpq10:25:221
224383599580,39cyclictest2327275-21grep09:40:141
224383599580,39cyclictest2288431-21sed08:30:011
2243835995638,18cyclictest0-21swapper/110:22:021
2243835995637,19cyclictest2408225-21ntpq12:05:201
2243835995618,19cyclictest2398014-21idleruntime-cro11:50:001
2243835995618,19cyclictest2276490-21users08:05:231
2243835995537,18cyclictest236199-21snmpd11:01:121
2243835995517,19cyclictest2388752-21ntpq11:30:171
2243835995517,19cyclictest2362307-21munin-run10:45:021
2243835995431,19cyclictest0-21swapper/111:20:461
2243835995416,19cyclictest2312947-21munin-run09:15:021
2243848995314,39cyclictest0-21swapper/708:20:187
2243848995314,39cyclictest0-21swapper/708:20:177
2243837995314,39cyclictest0-21swapper/211:55:162
2243835995331,20cyclictest0-21swapper/107:29:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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