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2026-02-24 - 15:02
[ 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 Tue Feb 24, 2026 12:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2399099644,44cyclictest7931-21ssh10:20:142
23927996440,12cyclictest12-21ksoftirqd/011:35:120
2399099622,29cyclictest22103-21ssh10:10:142
2399099622,29cyclictest22103-21ssh10:10:132
2401199555,34cyclictest28366irq/58-eth012:15:143
2401199555,34cyclictest28366irq/58-eth012:15:133
23990994824,5cyclictest3302-21ssh12:05:122
23927994816,24cyclictest12-21ksoftirqd/011:15:130
2396499472,32cyclictest22109-21ssh10:10:131
2396499472,32cyclictest22109-21ssh10:10:131
2396499464,31cyclictest16993-21ssh10:25:151
2396499453,29cyclictest2672-21ssh10:35:121
2392799454,36cyclictest26728-21ssh12:00:130
2392799452,38cyclictest3308-21ssh12:05:120
23927994522,16cyclictest12-21ksoftirqd/011:50:130
2396499444,30cyclictest19194-21ssh11:20:121
2396499441,36cyclictest13190-21ssh10:05:131
23927994423,7cyclictest131rcu_preempt09:20:140
2401199435,25cyclictest28366irq/58-eth009:55:133
2399099431,33cyclictest29844-21ssh10:50:122
2396499431,34cyclictest23517-21ssh09:35:121
2392799433,36cyclictest14479-21ssh09:30:120
2392799433,36cyclictest14479-21ssh09:30:120
24011994213,18cyclictest28366irq/58-eth011:00:143
2396499426,6cyclictest131rcu_preempt11:55:121
2392799421,34cyclictest7138-21ssh12:25:140
23927994115,20cyclictest12-21ksoftirqd/011:30:120
2401199409,16cyclictest0-21swapper/311:05:153
2401199409,16cyclictest0-21swapper/311:05:153
2401199403,21cyclictest28366irq/58-eth010:00:153
2396499403,24cyclictest23002-21rm11:40:121
2401199391,3cyclictest0-21swapper/311:40:123
2396499395,27cyclictest10209-21diskmemload11:25:141
2396499391,25cyclictest15497-21ssh11:00:141
2401199383,21cyclictest28366irq/58-eth009:20:133
24011993817,9cyclictest0-21swapper/307:15:123
2401199372,6cyclictest0-21swapper/309:15:133
2399099372,19cyclictest19591-21ssh12:13:222
2392799377,27cyclictest750-21sendmail-mta12:30:140
2401199364,6cyclictest0-21swapper/309:45:133
2401199362,15cyclictest28366irq/58-eth009:50:143
2396499361,23cyclictest10159-21ssh11:15:141
2392799363,23cyclictest30525-21ssh12:20:150
2401199353,18cyclictest28366irq/58-eth009:10:133
2401199353,17cyclictest28366irq/58-eth007:45:133
2401199352,22cyclictest28366irq/58-eth010:10:133
2401199352,22cyclictest28366irq/58-eth010:10:123
2401199343,19cyclictest28366irq/58-eth012:25:143
24011993416,11cyclictest28366irq/58-eth010:55:123
2399099343,16cyclictest19673-21ssh09:15:122
2399099342,20cyclictest9348-21ssh09:45:122
2392799340,28cyclictest0-21swapper/009:35:120
2401199332,7cyclictest28366irq/58-eth011:15:143
2396499332,22cyclictest18431-21ssh09:50:131
2396499331,26cyclictest31136-21ssh10:15:121
2396499331,22cyclictest21-21ksoftirqd/110:40:131
2392799334,18cyclictest12-21ksoftirqd/007:30:120
24011993220,8cyclictest28366irq/58-eth010:40:123
2401199321,17cyclictest28366irq/58-eth011:35:133
2392799323,22cyclictest10603-21ssh09:10:130
2392799322,22cyclictest24803-21kthreadcore12:15:220
2392799322,22cyclictest24803-21kthreadcore12:15:220
2401199312,19cyclictest28366irq/58-eth011:30:113
2399099302,11cyclictest25198-21ssh12:35:142
2399099302,11cyclictest25198-21ssh12:35:142
2396499302,5cyclictest16139-21apt-get12:30:131
23964993010,14cyclictest7155-21sh12:25:151
2392799306,17cyclictest12-21ksoftirqd/008:10:120
2392799306,17cyclictest12-21ksoftirqd/008:10:120
2401199292,18cyclictest28366irq/58-eth007:25:143
24011992914,11cyclictest28366irq/58-eth010:25:163
2401199291,3cyclictest0-21swapper/310:50:123
2399099292,20cyclictest0-21swapper/207:15:132
2399099292,19cyclictest22346irq/40-dwc2_hso08:10:132
2399099292,19cyclictest22346irq/40-dwc2_hso08:10:122
2399099291,19cyclictest22346irq/40-dwc2_hso09:20:132
2399099291,17cyclictest924-21snmpd11:00:162
2392799292,17cyclictest12-21ksoftirqd/008:20:150
23927992921,5cyclictest0-21swapper/010:50:130
2401199282,14cyclictest28366irq/58-eth009:25:133
2401199282,14cyclictest28366irq/58-eth009:25:133
24011992817,9cyclictest28366irq/58-eth010:30:143
2401199281,6cyclictest0-21swapper/308:45:233
2401199281,17cyclictest28366irq/58-eth012:00:133
2399099283,17cyclictest22346irq/40-dwc2_hso11:05:142
2399099283,17cyclictest22346irq/40-dwc2_hso11:05:142
2399099282,20cyclictest0-21swapper/207:10:132
2399099282,19cyclictest0-21swapper/211:10:142
2399099282,14cyclictest22346irq/40-dwc2_hso08:05:132
2396499281,19cyclictest9369-21ssh09:45:141
2392799283,22cyclictest32079-21ssh11:45:150
2392799281,6cyclictest0-21swapper/008:00:120
23927992814,8cyclictest12-21ksoftirqd/010:30:130
2401199274,4cyclictest0-21swapper/312:05:133
2399099273,17cyclictest22346irq/40-dwc2_hso08:45:132
2399099272,21cyclictest7280-21apt-get08:00:032
2399099272,14cyclictest21349-21ssh12:15:132
2399099272,14cyclictest21349-21ssh12:15:132
2396499272,20cyclictest25197-21ssh12:35:141
2396499272,20cyclictest25197-21ssh12:35:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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