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2026-02-20 - 02:32
[ 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 100 highest latencies:
System rack7slot4s.osadl.org (updated Fri Feb 20, 2026 00:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1215199781,34cyclictest14662-21ssh00:20:140
12167995626,24cyclictest27-21ksoftirqd/223:30:132
1216799531,44cyclictest0-21swapper/223:50:132
1216799500,42cyclictest0-21swapper/221:05:122
1216799490,44cyclictest16724-21apt-get20:55:152
1216799490,41cyclictest0-21swapper/220:05:122
1215199483,34cyclictest17164-21ssh23:45:140
1215199475,5cyclictest131rcu_preempt21:05:130
1216799461,40cyclictest0-21swapper/200:20:132
1216799461,39cyclictest5877-21apt-get21:50:122
1215199464,38cyclictest20511-21ssh00:05:130
1216799450,41cyclictest0-21swapper/223:05:132
1216799441,39cyclictest0-21swapper/220:25:112
1216799440,38cyclictest314-21apt-get22:05:122
1216799432,35cyclictest29358-21ssh21:45:132
1216799431,39cyclictest9379-21apt-get22:10:142
1215199432,29cyclictest20459-21ssh21:40:130
1217599421,37cyclictest0-21swapper/323:00:173
1216799421,36cyclictest1649-21apt-get23:00:182
1216799420,37cyclictest0-21swapper/220:10:122
1217599411,34cyclictest0-21swapper/321:25:113
1216799412,33cyclictest0-21swapper/223:45:142
1216799411,33cyclictest0-21swapper/223:10:142
1216799410,36cyclictest29854-21apt-get20:35:152
1216799410,36cyclictest29854-21apt-get20:35:142
1216799410,35cyclictest21718-21apt-get22:35:152
1216799410,34cyclictest25110-21apt-get22:55:142
1217599405,21cyclictest28366irq/58-eth022:30:123
1216799402,32cyclictest22346irq/40-dwc2_hso20:45:132
1216799401,32cyclictest28561-21apt-get23:15:152
1217599391,2cyclictest0-21swapper/323:05:133
1216799393,30cyclictest8983-21apt-get19:40:112
1216799391,34cyclictest24933-21apt-get20:30:142
1216799391,32cyclictest20507-21apt-get00:05:142
1216799391,27cyclictest1647-21ssh22:22:492
1217599385,22cyclictest28366irq/58-eth021:40:133
1216799381,33cyclictest14568-21kthreadcore19:45:192
1216799381,31cyclictest5113-21apt-get23:20:112
1216799381,31cyclictest11431-21apt-get21:35:142
1216799381,27cyclictest31409-21ssh21:10:142
1216799380,28cyclictest0-21swapper/200:10:122
1215199381,11cyclictest21730-21ssh22:35:140
1216799372,18cyclictest22440-21sh21:40:192
1216799371,32cyclictest13861-21ntp_192.168.11420:15:262
1216799370,32cyclictest3841-21apt-get22:25:112
1215199378,5cyclictest16946-21kthreadcore21:55:200
1217599361,33cyclictest0-21swapper/323:15:133
1217599360,2cyclictest0-21swapper/320:05:123
1216799361,32cyclictest0-21swapper/222:40:122
1216799361,32cyclictest0-21swapper/222:40:122
1216799361,23cyclictest16998-21sh00:01:122
1216799360,30cyclictest30988-21diskmemload23:40:112
1216799360,29cyclictest22346irq/40-dwc2_hso23:35:142
1216799360,29cyclictest22346irq/40-dwc2_hso23:35:132
12159993623,9cyclictest21-21ksoftirqd/120:30:151
1215199363,23cyclictest2606-21ssh23:55:130
1215199362,9cyclictest0-21swapper/019:35:140
1215199361,9cyclictest19640-21ssh22:50:230
1215199361,10cyclictest20980-21unixbench_multi21:20:300
1215199360,27cyclictest2420-21rm21:30:140
1217599351,31cyclictest0-21swapper/300:05:123
1217599350,2cyclictest0-21swapper/321:05:113
1216799351,31cyclictest7818-21grep00:15:222
1216799351,31cyclictest27008-21ntp_states19:55:262
1216799351,31cyclictest27008-21ntp_states19:55:262
1216799350,24cyclictest0-21swapper/221:29:262
1216799350,21cyclictest0-21swapper/220:40:162
1215999352,30cyclictest21749-21ssh22:35:141
1215199355,6cyclictest18462-21usage_Anybus23:25:310
1215199352,16cyclictest11458-21ssh21:35:150
1217599342,25cyclictest28366irq/58-eth022:50:113
1217599341,2cyclictest0-21swapper/319:40:113
1217599341,25cyclictest0-21swapper/320:25:123
1216799341,30cyclictest976-21cat00:30:202
1216799341,30cyclictest28730-21sh22:00:312
1216799341,30cyclictest28730-21sh22:00:302
1216799341,25cyclictest24157-21sh22:16:412
1216799341,24cyclictest9042-21awk00:35:112
1216799341,24cyclictest9042-21awk00:35:112
1216799340,30cyclictest0-21swapper/221:30:112
1216799340,30cyclictest0-21swapper/220:20:142
1216799340,30cyclictest0-21swapper/220:20:132
1216799340,21cyclictest8604-21ssh23:56:552
1215199347,6cyclictest3082-21ssh23:00:230
1215199345,16cyclictest7286-21ssh22:45:130
1215199341,4cyclictest131rcu_preempt21:25:120
1216799332,27cyclictest0-21swapper/223:25:122
1216799331,29cyclictest23571-21/usr/sbin/munin00:25:332
1216799331,29cyclictest15414-21/usr/sbin/munin20:50:262
1216799331,29cyclictest0-21swapper/221:55:132
1216799330,29cyclictest0-21swapper/220:00:132
1216799330,24cyclictest16949-21ssh21:20:142
1215199332,10cyclictest23686-21fschecks_time19:55:160
1215199332,10cyclictest23686-21fschecks_time19:55:150
1215199331,13cyclictest30943-21uniq22:40:160
1215199331,13cyclictest30943-21uniq22:40:150
1215199330,26cyclictest31394-21ssh21:10:140
1215199330,11cyclictest582-21awk21:45:240
1217599323,26cyclictest0-21swapper/322:55:133
1216799325,24cyclictest22346irq/40-dwc2_hso21:00:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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