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2026-02-17 - 02:53
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #8

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 rack0slot8s.osadl.org (updated Tue Feb 17, 2026 00:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
940801190,114rtkit-daemon0-21swapper/519:07:567
283491940,85ptp4l0-21swapper/119:06:511
1157627463,9sleep40-21swapper/419:08:556
1136426957,10sleep110-21swapper/1119:05:503
1137626756,9sleep100-21swapper/1019:06:002
1137326755,10sleep70-21swapper/719:05:589
1150526654,10sleep00-21swapper/019:07:510
1144226553,9sleep60-21swapper/619:06:578
227932500,0sleep70-21swapper/723:35:019
244232490,0sleep110-21swapper/1122:55:013
235742450,0sleep50-21swapper/520:05:137
31432430,0sleep00-21swapper/000:30:230
1205199192,10cyclictest4529-21kworker/u24:119:15:004
1209699182,10cyclictest0-21swapper/1121:20:013
1208799181,2cyclictest0-21swapper/920:20:1711
1208299184,8cyclictest0-21swapper/823:30:0010
1205699182,10cyclictest0-21swapper/319:55:015
1204799182,12cyclictest3067-21kworker/u24:122:00:011
1204799182,12cyclictest3067-21kworker/u24:122:00:011
60862170,0sleep50-21swapper/523:55:017
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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