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2026-03-05 - 12:47
[ 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 Thu Mar 05, 2026 00:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4245995728,20cyclictest28366irq/58-eth021:10:133
4245995336,11cyclictest28366irq/58-eth022:10:113
4236995326,22cyclictest0-21swapper/220:10:122
4231995344,5cyclictest7373-21sh00:00:121
422399501,42cyclictest6736-21ssh22:30:120
423699484,33cyclictest9250-21ssh21:20:122
422399486,7cyclictest131rcu_preempt19:15:130
423199465,29cyclictest32376-21ssh23:20:121
423199453,34cyclictest32515-21ssh21:15:111
423199453,32cyclictest18041-21ssh23:30:121
422399452,28cyclictest26054-21ssh22:05:160
424599434,26cyclictest28366irq/58-eth000:25:123
424599434,26cyclictest28366irq/58-eth000:25:123
423199431,29cyclictest30098-21ssh22:25:121
423699411,29cyclictest3713-21sh23:40:112
423199412,27cyclictest22208-21ssh21:45:131
422399413,35cyclictest31277-21ssh21:50:120
422399411,28cyclictest20912-21rm22:20:120
423199402,31cyclictest23006-21diskmemload22:20:141
422399401,29cyclictest16938-21ssh22:00:120
4223994010,5cyclictest131rcu_preempt00:20:110
424599392,23cyclictest28366irq/58-eth000:15:133
424599391,23cyclictest28366irq/58-eth019:45:133
423199391,32cyclictest12785-21ssh23:45:131
423699382,32cyclictest23402-21ssh21:10:132
424599362,19cyclictest28366irq/58-eth021:55:143
424599362,18cyclictest28366irq/58-eth023:20:113
423699363,22cyclictest23006-21diskmemload00:00:132
423199364,12cyclictest21-21ksoftirqd/100:10:351
424599353,20cyclictest28366irq/58-eth022:45:133
424599351,21cyclictest28366irq/58-eth023:40:113
422399351,30cyclictest28593-21ssh23:00:140
422399351,30cyclictest28593-21ssh23:00:140
423699345,16cyclictest22346irq/40-dwc2_hso23:45:122
423699344,20cyclictest16922-21sh22:00:112
4236993424,5cyclictest2746ksoftirqd/220:25:122
422399341,24cyclictest29057-21ssh00:30:110
423699332,20cyclictest27-21ksoftirqd/220:45:122
423699331,22cyclictest0-21swapper/223:30:122
423199332,21cyclictest21758-21ssh23:50:111
423199332,18cyclictest0-21swapper/123:15:131
4231993317,10cyclictest7315-21apt-get20:20:131
423199331,23cyclictest0-21swapper/100:05:111
424599322,17cyclictest28366irq/58-eth021:15:133
4245993215,11cyclictest28366irq/58-eth021:40:113
424599321,19cyclictest28366irq/58-eth021:00:133
423199323,22cyclictest5739-21ssh00:35:151
422399322,22cyclictest1928-21ssh00:15:140
422399322,22cyclictest12-21ksoftirqd/019:35:120
4231993119,8cyclictest0-21swapper/123:55:121
4231993115,12cyclictest18310-21ssh21:25:131
422399314,15cyclictest10438-21sh22:50:100
422399313,4cyclictest131rcu_preempt21:20:130
4223993120,7cyclictest531-21usb-storage19:50:120
424599304,12cyclictest28366irq/58-eth022:40:123
423199302,22cyclictest8552-21ssh00:17:351
422399302,22cyclictest4069-21rm21:35:150
422399302,22cyclictest4069-21rm21:35:150
4223993011,13cyclictest1421-21diskmemload22:45:140
423699294,15cyclictest22346irq/40-dwc2_hso19:10:122
423199292,21cyclictest19518-21ssh22:55:141
422399293,4cyclictest0-21swapper/019:55:120
424599281,18cyclictest0-21swapper/322:20:133
423699284,16cyclictest22346irq/40-dwc2_hso21:05:122
423699282,16cyclictest22346irq/40-dwc2_hso20:30:112
423199285,5cyclictest21-21ksoftirqd/122:30:211
423199282,18cyclictest7887-21ssh21:55:131
423199281,15cyclictest27723-21grep20:40:171
424599271,16cyclictest28366irq/58-eth020:50:123
423699272,19cyclictest0-21swapper/200:39:002
4236992721,2cyclictest0-21swapper/222:45:142
423699271,21cyclictest24854-21ssh22:40:132
423699271,16cyclictest13083-21ssh21:40:112
423199273,6cyclictest21-21ksoftirqd/100:25:271
423199273,6cyclictest21-21ksoftirqd/100:25:261
423199272,19cyclictest15747-21ssh22:35:121
4231992719,5cyclictest9277-21apt-get19:15:131
423199271,19cyclictest0-21swapper/120:25:121
423199271,18cyclictest23421-21ssh21:10:141
422399278,9cyclictest131rcu_preempt20:30:110
422399272,18cyclictest25325-21ssh00:10:140
422399271,22cyclictest20002-21ssh00:25:130
422399271,22cyclictest20002-21ssh00:25:120
424599261,15cyclictest28366irq/58-eth020:05:123
423699262,9cyclictest19274-21ssh00:24:352
4236992613,10cyclictest0-21swapper/223:35:162
423699261,17cyclictest16264-21ssh00:05:112
423199263,6cyclictest22961-21cut20:35:171
423199263,5cyclictest21-21ksoftirqd/122:50:141
423199263,17cyclictest14292-21ssh23:10:131
4231992619,3cyclictest26042-21apt-get22:05:161
423199261,20cyclictest29075-21rm00:30:121
4245992514,7cyclictest28366irq/58-eth023:45:143
423699255,14cyclictest22346irq/40-dwc2_hso22:30:112
423699251,17cyclictest22346irq/40-dwc2_hso20:15:142
423199258,5cyclictest21-21ksoftirqd/122:15:191
423199255,6cyclictest21-21ksoftirqd/122:00:271
423199254,5cyclictest31463-21cut20:10:191
423199254,5cyclictest21-21ksoftirqd/123:00:151
423199254,5cyclictest21-21ksoftirqd/123:00:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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