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2026-02-08 - 14:07
[ 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 Feb 08, 2026 00:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5569997545,17cyclictest28366irq/58-eth021:05:133
555899603,35cyclictest9778-21sshd22:50:122
555899562,42cyclictest13447-21ssh21:40:122
5558994924,21cyclictest0-21swapper/219:25:122
5538994916,22cyclictest12-21ksoftirqd/020:15:110
555899472,23cyclictest13387-21ssh23:10:112
5569994522,11cyclictest28366irq/58-eth023:25:143
5550994536,5cyclictest21-21ksoftirqd/122:55:131
5569994429,5cyclictest28366irq/58-eth021:15:143
555899446,27cyclictest22346irq/40-dwc2_hso19:50:122
556999432,22cyclictest28366irq/58-eth000:25:133
553899433,5cyclictest131rcu_preempt21:10:120
555899423,23cyclictest924-21snmpd00:35:132
556999412,23cyclictest28366irq/58-eth000:20:123
553899411,37cyclictest20546-21sh23:50:110
5550994018,15cyclictest21-21ksoftirqd/122:05:131
5569993720,13cyclictest0-21swapper/323:00:143
555899362,29cyclictest30767-21ssh22:42:332
555899362,29cyclictest30767-21ssh22:42:332
5558993616,16cyclictest17101-21apt-get22:00:142
5558993616,16cyclictest17101-21apt-get22:00:142
555899354,23cyclictest27-21ksoftirqd/200:20:122
556999344,19cyclictest28366irq/58-eth023:40:133
556999344,15cyclictest28366irq/58-eth023:10:103
556999343,15cyclictest28366irq/58-eth000:00:133
555899345,20cyclictest15173-21ssh22:35:142
555899342,11cyclictest6156-21ssh00:00:132
556999334,17cyclictest0-21swapper/322:35:153
555899336,6cyclictest271ksoftirqd/221:15:112
5558993322,3cyclictest0-21swapper/221:50:122
555899331,21cyclictest27-21ksoftirqd/221:25:102
555099336,9cyclictest131rcu_preempt23:25:131
5550993326,3cyclictest131rcu_preempt22:20:121
555099328,15cyclictest23697-21diskmemload23:45:121
553899323,20cyclictest12-21ksoftirqd/000:35:130
556999314,21cyclictest28366irq/58-eth021:40:133
556999312,17cyclictest28366irq/58-eth020:55:123
555899313,17cyclictest22346irq/40-dwc2_hso23:00:132
555899312,16cyclictest2635-21sshd22:10:122
555099316,23cyclictest22331-21ssh23:15:131
555099314,7cyclictest131rcu_preempt19:20:141
553899314,21cyclictest18650-21ssh00:25:120
5569993019,7cyclictest0-21swapper/320:25:133
555899302,21cyclictest0-21swapper/219:20:152
555099301,25cyclictest9698-21ssh21:20:131
553899302,22cyclictest15093-21sh00:21:110
5538993014,8cyclictest12-21ksoftirqd/019:45:120
5538993014,8cyclictest12-21ksoftirqd/019:45:110
5569992921,4cyclictest0-21swapper/320:35:123
5569992916,9cyclictest28366irq/58-eth022:00:143
5569992916,9cyclictest28366irq/58-eth022:00:143
556999291,14cyclictest28366irq/58-eth022:30:153
555899294,15cyclictest22346irq/40-dwc2_hso22:15:132
555899293,18cyclictest22346irq/40-dwc2_hso21:05:132
5558992914,11cyclictest0-21swapper/223:05:122
5558992912,7cyclictest27-21ksoftirqd/223:37:382
555099294,23cyclictest9775-21ssh22:50:111
555099293,22cyclictest18796-21ssh21:25:131
555099292,23cyclictest31512-21ssh23:20:151
556999283,13cyclictest28366irq/58-eth022:10:113
5569992819,6cyclictest0-21swapper/322:15:153
5569992815,9cyclictest0-21swapper/321:55:113
555899287,13cyclictest0-21swapper/220:40:142
555899282,19cyclictest0-21swapper/220:30:152
555899282,19cyclictest0-21swapper/220:10:142
5558992817,4cyclictest24076-21apt-get21:10:132
5558992812,10cyclictest32348-21apt-get20:45:132
555099282,19cyclictest11634-21ssh22:15:121
555099281,17cyclictest17115-21ssh22:00:131
555099281,17cyclictest17115-21ssh22:00:121
553899282,17cyclictest8074-21ssh21:55:130
553899281,22cyclictest4362-21ssh21:35:120
5569992718,6cyclictest0-21swapper/323:50:113
555899277,5cyclictest27-21ksoftirqd/223:15:212
555899272,19cyclictest0-21swapper/220:55:132
555899272,15cyclictest22346irq/40-dwc2_hso21:00:142
555099273,20cyclictest24215-21ssh22:40:121
555099273,20cyclictest24215-21ssh22:40:111
555099272,9cyclictest131rcu_preempt00:05:121
555099272,19cyclictest10817-21sh21:37:211
553899272,19cyclictest28615-21ssh23:17:110
553899272,18cyclictest18759-21ssh22:55:130
553899271,21cyclictest26089-21ssh22:05:120
5569992620,2cyclictest0-21swapper/321:10:113
5569992618,5cyclictest0-21swapper/323:30:153
5569992616,7cyclictest0-21swapper/322:05:133
5569992615,7cyclictest0-21swapper/322:25:123
5569992613,8cyclictest0-21swapper/323:20:023
5569992613,7cyclictest0-21swapper/321:50:113
555899265,8cyclictest27-21ksoftirqd/222:07:522
555899263,13cyclictest27-21ksoftirqd/223:58:102
555899262,13cyclictest0-21swapper/221:39:352
555899262,10cyclictest0-21swapper/200:05:142
555099265,15cyclictest31425-21sh21:50:121
555099263,19cyclictest924-21snmpd21:05:131
5550992620,3cyclictest0-21swapper/121:15:131
555099261,22cyclictest9529-21sshd20:55:121
555099261,18cyclictest25957-21ssh23:35:151
555099261,15cyclictest595-21ssh00:15:121
553899262,22cyclictest25931-21ssh23:35:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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