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2026-03-01 - 02:44
[ 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 Sat Feb 28, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2916247999538,38cyclictest2975602-21ntpq08:55:201
2916247998022,39cyclictest1086-21runrttasks09:37:111
2916253997612,64cyclictest0-21swapper/711:35:147
2916247997517,39cyclictest2928181-21basename07:30:151
2916247997133,38cyclictest0-21swapper/107:45:591
2916247996829,38cyclictest3016886-21sh10:10:201
2916247996810,39cyclictest3024364-21tune2fs10:25:141
291624799667,39cyclictest0-21swapper/108:06:111
2916247996627,39cyclictest3007591-21/usr/sbin/munin09:55:131
2916247996426,19cyclictest2925130-21cstates07:25:141
291624799624,39cyclictest3085838-21ntpq12:15:181
291624799612,40cyclictest2958050-21/usr/sbin/munin08:25:151
2916247995914,39cyclictest3004523-21/usr/sbin/munin09:50:011
2916247995718,39cyclictest3036837-21unixbench_multi10:45:231
2916247995417,18cyclictest3015409-21cat10:10:011
2916247995417,18cyclictest3012711-21munin-run10:05:021
2916247995416,19cyclictest3044032-21perl11:00:141
2916247995414,39cyclictest3073704-21apt-get11:55:101
2916247995319,34cyclictest0-21swapper/109:26:471
2916247995319,14cyclictest0-21swapper/111:18:391
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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