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2026-01-28 - 17:32
[ 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 #7, slot #4

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 50 highest latencies:
System rack7slot4s.osadl.org (updated Wed Jan 28, 2026 12:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
154399695,49cyclictest32448-21ssh09:35:141
1564996639,20cyclictest28366irq/58-eth008:45:133
1564996639,20cyclictest28366irq/58-eth008:45:123
1564994822,16cyclictest28366irq/58-eth009:50:133
153299473,8cyclictest131rcu_preempt09:50:120
156499463,26cyclictest28366irq/58-eth011:30:113
156499463,26cyclictest28366irq/58-eth011:30:113
1543994538,4cyclictest27227-21apt-get09:50:121
1543994519,11cyclictest22584-21kernelversion10:05:181
1543994516,9cyclictest19078-21ssh10:39:091
153299450,34cyclictest25451-21ssh10:25:140
153299441,37cyclictest21590-21ssh11:35:120
1543994315,10cyclictest5532-21ssh10:50:041
1552994229,9cyclictest16084-21apt-get07:25:112
1552994220,18cyclictest0-21swapper/209:30:122
153299423,30cyclictest18134-21ssh09:45:130
156499412,24cyclictest28366irq/58-eth012:25:103
156499412,19cyclictest28366irq/58-eth009:20:123
1552994134,3cyclictest22346irq/40-dwc2_hso11:20:132
1543994130,7cyclictest14884-21apt-get09:05:131
1543994116,9cyclictest17393-21ssh09:44:341
1543994115,9cyclictest30646-21sh09:33:221
1543994114,10cyclictest28146-21sh09:14:371
153299416,31cyclictest9056-21ssh11:10:130
153299412,34cyclictest23552-21ssh11:00:130
156499402,23cyclictest28366irq/58-eth010:35:103
1543994015,11cyclictest30747-21ssh10:26:041
154399401,30cyclictest12666-21ssh11:30:131
154399401,30cyclictest12666-21ssh11:30:121
156499394,21cyclictest28366irq/58-eth010:45:123
155299399,12cyclictest19591-21ssh09:25:522
1543993916,8cyclictest3318-21sh10:10:351
1543993916,6cyclictest19437-21diskmemload12:24:371
1543993915,7cyclictest4704-21ssh12:35:341
1543993914,8cyclictest10974-21ssh09:21:211
1543993913,8cyclictest24870-21ssh11:17:571
153299391,29cyclictest28905-21ssh09:15:140
1552993827,8cyclictest5672-21apt-get10:50:142
1552993825,10cyclictest12861-21apt-get10:00:152
1552993810,10cyclictest7076-21ssh09:38:052
154399383,5cyclictest131rcu_preempt10:20:131
1543993831,4cyclictest8901-21apt-get08:25:121
1543993830,4cyclictest23542-21apt-get11:00:111
1543993814,6cyclictest414-21cut11:40:211
1543993814,10cyclictest15270-21irqrtprio10:55:181
1543993814,10cyclictest15270-21irqrtprio10:55:171
1543993812,10cyclictest2899-21ssh12:17:271
1532993819,13cyclictest1515-21cyclictest12:00:130
1532993814,15cyclictest12-21ksoftirqd/007:45:140
155299378,8cyclictest0-21swapper/212:18:592
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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