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2026-02-23 - 19:51
[ 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 100 highest latencies:
System rack7slot4s.osadl.org (updated Mon Feb 23, 2026 12:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
990599724,58cyclictest20627-21ssh10:35:151
9914997125,24cyclictest25929-21ssh10:20:152
9914996344,12cyclictest28931-21diskmemload09:25:142
9914996344,12cyclictest28931-21diskmemload09:25:132
990599527,35cyclictest27673-21ssh11:15:141
9914995011,28cyclictest0-21swapper/212:35:132
990599494,34cyclictest6149-21ssh10:45:131
992599483,29cyclictest28366irq/58-eth010:00:133
9925994822,19cyclictest0-21swapper/310:45:133
990599482,6cyclictest131rcu_preempt11:00:121
990599482,34cyclictest9554-21ssh09:35:151
991499473,34cyclictest18604-21sh09:40:142
989799473,31cyclictest5909-21ssh09:15:150
9914994428,10cyclictest24347-21apt-get09:05:142
990599431,33cyclictest23409-21ssh12:25:111
9925994217,11cyclictest28366irq/58-eth009:20:143
989799422,37cyclictest2257-21ssh11:55:170
9914994127,9cyclictest32460-21apt-get12:30:142
9914994119,15cyclictest73-21kswapd011:10:382
991499411,32cyclictest11147-21ssh12:00:132
9905994126,10cyclictest0-21swapper/112:15:141
990599412,29cyclictest5890-21ssh09:15:131
989799413,35cyclictest18658-21ssh11:10:140
989799411,5cyclictest131rcu_preempt12:30:140
9925993922,12cyclictest28366irq/58-eth010:35:153
990599392,25cyclictest31317-21ssh10:05:121
989799393,3cyclictest12-21ksoftirqd/009:55:140
9925993813,19cyclictest0-21swapper/310:07:203
989799383,33cyclictest27581-21ssh09:45:130
9914993723,9cyclictest22346irq/40-dwc2_hso08:40:122
991499372,18cyclictest25144-21cut11:30:222
991499371,15cyclictest29318-21ssh09:10:132
989799372,25cyclictest4164-21rm09:50:110
9914993622,2cyclictest7899-21apt-get10:10:132
9914993622,10cyclictest14423-21apt-get12:20:132
9897993630,3cyclictest28931-21diskmemload11:05:150
992599350,30cyclictest0-21swapper/309:10:133
991499359,22cyclictest0-21swapper/207:10:132
9914993526,5cyclictest4150-21apt-get09:50:112
991499352,25cyclictest26924-21memory12:25:212
9914993518,12cyclictest22252-21ssh10:00:122
990599351,29cyclictest28933-21ssh12:10:141
992599342,19cyclictest28366irq/58-eth010:20:153
992599341,18cyclictest28366irq/58-eth012:15:133
992599340,28cyclictest0-21swapper/310:40:153
991499348,17cyclictest28931-21diskmemload11:40:322
9914993422,8cyclictest31319-21apt-get10:05:142
9897993428,3cyclictest0-21swapper/011:25:120
992599335,20cyclictest0-21swapper/310:15:133
9914993324,5cyclictest13181-21apt-get09:55:152
9914993314,14cyclictest0-21swapper/208:15:132
9914993310,19cyclictest3754-21kthreadcore09:30:232
990599333,22cyclictest29322-21ssh09:10:131
989799338,19cyclictest14899-21diskmemload09:20:130
9897993324,5cyclictest121ksoftirqd/011:20:120
989799331,26cyclictest21270-21sshd07:55:140
9897993312,12cyclictest12-21ksoftirqd/010:20:170
992599329,17cyclictest0-21swapper/310:10:513
9925993220,9cyclictest28366irq/58-eth012:30:143
992599321,28cyclictest0-21swapper/311:00:123
992599321,27cyclictest0-21swapper/312:05:143
992599321,27cyclictest0-21swapper/311:35:123
991499327,10cyclictest0-21swapper/209:24:582
991499326,17cyclictest22346irq/40-dwc2_hso09:35:132
9914993222,6cyclictest15168-21ssh10:50:132
991499322,20cyclictest11529-21ssh10:30:122
991499322,14cyclictest24925-21ssh10:19:222
9914993214,14cyclictest0-21swapper/210:40:132
9914993213,13cyclictest20607-21ssh10:35:152
9914993211,18cyclictest29588-21ntp_offset08:00:262
990599322,23cyclictest1087-21kthreadcore12:30:201
992599313,18cyclictest28366irq/58-eth007:15:133
992599311,26cyclictest0-21swapper/309:25:143
992599311,26cyclictest0-21swapper/309:25:133
9914993124,3cyclictest24184-21apt-get10:55:162
9914993122,4cyclictest13239-21apt-get11:25:132
9914993114,13cyclictest22346irq/40-dwc2_hso09:00:142
9914993110,7cyclictest28931-21diskmemload12:06:432
990599315,18cyclictest7751-21kworker/u8:210:50:141
990599311,2cyclictest0-21swapper/111:55:161
9905993112,8cyclictest131rcu_preempt11:40:121
989799312,22cyclictest14455-21ssh12:20:150
992599301,23cyclictest0-21swapper/308:55:133
991499309,9cyclictest11636-21ssh10:46:142
9914993022,4cyclictest28900-21apt-get12:10:122
9914993022,4cyclictest17908-21apt-get08:25:122
991499302,21cyclictest0-21swapper/208:35:152
9914993012,15cyclictest8568-21sed08:45:272
9914993012,15cyclictest8568-21sed08:45:262
9914993011,14cyclictest1965-21grep11:55:022
990599305,22cyclictest13187-21ssh09:55:121
989799306,20cyclictest0-21swapper/009:25:130
989799306,20cyclictest0-21swapper/009:25:120
992599292,24cyclictest0-21swapper/312:20:133
9925992917,6cyclictest0-21swapper/307:10:143
992599291,24cyclictest0-21swapper/311:10:133
9914992919,7cyclictest0-21swapper/211:20:112
9914992914,10cyclictest0-21swapper/207:35:122
9914992913,12cyclictest31205-21ssh11:35:122
9905992914,10cyclictest0-21swapper/109:50:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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