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2026-01-25 - 13:44
[ 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 Sun Jan 25, 2026 00:45:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12185998055,14cyclictest28366irq/58-eth023:00:133
12157997410,6cyclictest131rcu_preempt21:30:110
12157996716,12cyclictest12-21ksoftirqd/000:35:140
1217799556,24cyclictest27-21ksoftirqd/222:15:142
12167995521,23cyclictest21-21ksoftirqd/119:25:131
1216799537,31cyclictest6576-21ssh23:20:111
1215799533,42cyclictest21239-21ssh23:10:140
1216799512,8cyclictest131rcu_preempt20:15:131
1217799493,37cyclictest8363-21ssh00:15:122
1216799494,30cyclictest31808-21ssh22:40:131
1215799492,43cyclictest25483-21ssh21:25:150
1217799462,10cyclictest0-21swapper/219:25:132
1218599458,20cyclictest28366irq/58-eth021:30:113
1217799454,15cyclictest27-21ksoftirqd/223:10:132
1216799432,34cyclictest723-21ssh22:05:121
12157994312,24cyclictest12-21ksoftirqd/020:55:130
1217799414,21cyclictest2048-21ssh21:30:112
1217799401,29cyclictest0-21swapper/223:20:142
1216799404,31cyclictest18999-21ssh22:15:141
1215799401,26cyclictest4597-21ssh22:25:120
1218599392,22cyclictest28366irq/58-eth023:30:123
1218599392,22cyclictest28366irq/58-eth000:35:133
1217799394,17cyclictest3009-21ssh00:30:132
12185993810,16cyclictest28366irq/58-eth000:00:123
1217799381,9cyclictest288066ssh00:10:232
1216799373,21cyclictest28274-21ssh23:50:121
12167993716,10cyclictest131rcu_preempt21:15:141
1216799364,15cyclictest12229-21ssh23:05:121
1216799362,28cyclictest16336-21ssh21:20:111
1216799362,26cyclictest15612-21ssh23:25:141
1216799361,25cyclictest22702-21ssh22:35:131
1215799369,17cyclictest12-21ksoftirqd/021:50:120
1215799361,23cyclictest17573-21ssh22:50:120
1215799361,23cyclictest17573-21ssh22:50:120
1218599357,20cyclictest0-21swapper/300:30:143
1218599353,28cyclictest28366irq/58-eth023:35:123
1216799351,21cyclictest11153-21ssh21:35:141
1215799354,24cyclictest19205-21sh23:45:120
1215799354,24cyclictest19205-21sh23:45:110
1218599342,19cyclictest28366irq/58-eth021:45:113
12177993414,3cyclictest16819-21ssh22:30:222
1216799341,25cyclictest0-21swapper/121:00:141
1218599332,19cyclictest28366irq/58-eth022:45:123
1215799332,25cyclictest30604-21ssh21:10:130
1215799330,27cyclictest0-21swapper/019:15:120
12177993211,14cyclictest0-21swapper/222:05:132
1216799323,21cyclictest10172-21ssh23:40:141
1216799323,21cyclictest10172-21ssh23:40:131
1215799324,20cyclictest12-21ksoftirqd/021:55:100
12157993224,3cyclictest0-21swapper/022:10:130
1217799312,12cyclictest28083-21diskmemload22:20:142
1215799312,22cyclictest26671-21ssh22:55:150
12157993117,10cyclictest0-21swapper/023:30:130
1217799304,17cyclictest22346irq/40-dwc2_hso19:15:122
1217799304,15cyclictest22346irq/40-dwc2_hso19:20:142
1218599295,12cyclictest28366irq/58-eth021:50:123
1217799294,16cyclictest22346irq/40-dwc2_hso21:10:122
1217799291,17cyclictest22346irq/40-dwc2_hso21:00:132
1216799291,19cyclictest1151-21ssh23:35:121
1215799291,21cyclictest3268-21ssh23:00:140
12157992911,10cyclictest12-21ksoftirqd/021:45:120
1218599282,16cyclictest0-21swapper/321:20:113
1217799288,14cyclictest27-21ksoftirqd/221:55:112
1217799284,13cyclictest22346irq/40-dwc2_hso23:00:132
1217799282,19cyclictest0-21swapper/220:55:142
1217799281,14cyclictest7278-21ssh21:15:152
1217799281,10cyclictest5959-21ssh21:50:122
1216799282,21cyclictest24079-21ssh22:00:121
1216799282,20cyclictest9911-21ssh22:10:141
1216799282,20cyclictest7600-21ssh00:14:341
1215799286,13cyclictest0-21swapper/000:30:130
12157992810,8cyclictest28061-21ssh22:20:120
1218599272,18cyclictest28466irq/59-eth022:25:123
12185992714,9cyclictest28366irq/58-eth022:00:113
12185992713,6cyclictest28366irq/58-eth022:20:133
12185992710,9cyclictest28366irq/58-eth022:05:123
1217799272,20cyclictest0-21swapper/223:40:142
1217799272,20cyclictest0-21swapper/223:40:132
1217799272,17cyclictest17598-21ssh22:50:142
1217799272,17cyclictest17598-21ssh22:50:132
12177992713,10cyclictest531-21usb-storage00:20:042
1216799272,5cyclictest131rcu_preempt00:30:141
1217799262,15cyclictest22346irq/40-dwc2_hso20:00:102
1217799262,14cyclictest22346irq/40-dwc2_hso19:40:122
1216799264,17cyclictest20226-21ssh00:39:341
1216799261,20cyclictest17510-21ssh00:20:151
1218599251,10cyclictest28366irq/58-eth022:55:143
1218599251,10cyclictest28366irq/58-eth019:35:123
1217799253,15cyclictest22346irq/40-dwc2_hso22:10:122
1217799253,15cyclictest22346irq/40-dwc2_hso19:50:132
1217799252,9cyclictest0-21swapper/219:30:132
1217799252,7cyclictest30048-21ssh23:15:112
1217799251,9cyclictest19191-21ssh23:45:112
1217799251,9cyclictest19191-21ssh23:45:102
1216799255,13cyclictest21-21ksoftirqd/119:30:111
1216799252,15cyclictest21-21ksoftirqd/121:40:131
12167992514,8cyclictest27423-21sshd23:49:351
12167992514,8cyclictest27423-21sshd23:49:341
1216799251,17cyclictest201rcuc/122:20:121
1215799252,18cyclictest23198-21apt-get19:55:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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