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2026-01-22 - 17:58
[ 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 #8, 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 rack8slot4s.osadl.org (updated Thu Jan 22, 2026 12:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29611772225169,17sleep20-21swapper/207:09:482
29609912219181,24sleep30-21swapper/307:07:073
29609192219182,24sleep50-21swapper/507:06:055
29609472213179,21sleep60-21swapper/607:06:306
29609982211179,20sleep10-21swapper/107:07:141
29611092210180,19sleep00-21swapper/007:08:490
29610602210164,15sleep70-21swapper/707:08:087
29609542210180,19sleep40-21swapper/407:06:354
30161262420,0sleep50-21swapper/508:40:225
296141199260,24cyclictest0-21swapper/210:30:132
296140999264,21cyclictest0-21swapper/107:19:591
296140599260,25cyclictest0-21swapper/011:10:120
2961428992521,3cyclictest3118258-21idleruntime-cro11:50:016
296142899250,24cyclictest0-21swapper/611:10:126
296142899250,24cyclictest0-21swapper/610:45:126
296141799253,1cyclictest591ktimers/411:00:114
2961428992422,1cyclictest3147095-21awk12:40:006
2961428992420,3cyclictest3109688-21latency_hist11:35:006
296142899240,23cyclictest0-21swapper/608:30:006
296142899240,1cyclictest0-21swapper/609:40:006
296142399240,1cyclictest2971291-21apt-get07:25:105
2961414992422,1cyclictest2973720-21turbostat07:30:003
296141499240,23cyclictest0-21swapper/309:20:003
2961411992422,1cyclictest0-21swapper/211:15:022
296141199240,23cyclictest0-21swapper/209:55:102
2961409992420,3cyclictest3052357-21awk09:50:001
2961405992422,1cyclictest0-21swapper/011:50:010
296140599240,23cyclictest0-21swapper/012:24:590
2961430992322,1cyclictest0-21swapper/710:05:007
2961430992322,1cyclictest0-21swapper/710:05:007
2961430992322,0cyclictest0-21swapper/711:30:177
2961430992321,1cyclictest2997285-21apt-get08:10:127
2961430992321,1cyclictest0-21swapper/709:30:127
296143099230,22cyclictest3088639-21apt-get11:00:017
296143099230,22cyclictest3046297-21apt-get09:35:107
296142899230,22cyclictest0-21swapper/612:24:596
296142899230,22cyclictest0-21swapper/612:00:146
2961423992322,1cyclictest0-21swapper/511:25:125
2961423992321,1cyclictest2974145-21apt-get07:30:125
296142399230,22cyclictest3147084-21munin-run12:40:005
296142399230,22cyclictest3082611-21apt-get10:45:115
296142399230,22cyclictest0-21swapper/508:30:125
2961414992323,0cyclictest0-21swapper/307:40:123
296141499230,22cyclictest3106635-21dpkg11:30:013
296141499230,22cyclictest0-21swapper/310:25:113
296141499230,22cyclictest0-21swapper/309:10:133
2961411992322,1cyclictest0-21swapper/207:30:122
296141199230,22cyclictest0-21swapper/207:55:122
296141199230,1cyclictest2985858-21apt-get07:50:122
2961409992321,1cyclictest3121534-21apt-get11:55:121
296140999230,22cyclictest0-21swapper/110:20:111
2961405992321,1cyclictest3109685-21idleruntime-cro11:35:000
2961405992321,1cyclictest3086210-21apt-get10:55:070
296140599230,22cyclictest0-21swapper/012:00:140
296140599230,22cyclictest0-21swapper/010:10:000
296140599230,22cyclictest0-21swapper/010:10:000
296140599230,22cyclictest0-21swapper/008:30:000
296140599230,1cyclictest0-21swapper/009:39:590
2961430992222,0cyclictest0-21swapper/712:20:127
2961430992220,1cyclictest3110115-21apt-get11:35:147
2961430992220,1cyclictest3037743-21apt-get09:20:127
2961430992220,1cyclictest0-21swapper/707:25:117
296143099220,21cyclictest0-21swapper/711:15:117
296143099220,21cyclictest0-21swapper/707:15:107
296143099220,0cyclictest0-21swapper/712:35:127
2961428992221,0cyclictest0-21swapper/608:35:126
296142899220,21cyclictest0-21swapper/611:25:026
296142899220,21cyclictest0-21swapper/610:00:136
296142899220,21cyclictest0-21swapper/610:00:126
296142899220,21cyclictest0-21swapper/609:40:096
296142899220,1cyclictest3020138-21apt-get08:50:126
296142899220,1cyclictest0-21swapper/607:45:116
2961423992220,1cyclictest3143984-21idleruntime-cro12:35:005
2961423992220,1cyclictest2982333-21perf07:45:005
2961423992220,1cyclictest0-21swapper/509:30:115
296142399220,22cyclictest3103475-21munin-run11:25:015
296142399220,21cyclictest0-21swapper/512:15:125
296142399220,21cyclictest0-21swapper/512:00:135
296142399220,21cyclictest0-21swapper/511:40:125
296142399220,21cyclictest0-21swapper/510:35:175
296142399220,21cyclictest0-21swapper/509:55:115
296142399220,21cyclictest0-21swapper/508:25:115
296142399220,1cyclictest0-21swapper/510:10:115
296142399220,1cyclictest0-21swapper/510:10:115
2961417992222,0cyclictest0-21swapper/412:35:124
2961417992220,1cyclictest3135833-21apt-get12:20:124
296141799220,21cyclictest0-21swapper/412:25:104
296141799220,21cyclictest0-21swapper/411:20:114
296141799220,20cyclictest0-21swapper/410:15:134
296141799220,0cyclictest0-21swapper/410:25:114
2961414992221,1cyclictest3037743-21apt-get09:20:113
2961414992220,1cyclictest3022987-21apt-get08:55:103
296141499220,21cyclictest2988709-21apt-get07:55:123
296141499220,21cyclictest0-21swapper/309:25:113
296141499220,1cyclictest3110115-21apt-get11:35:143
296141499220,0cyclictest0-21swapper/310:55:073
2961411992220,1cyclictest3127259-21apt-get12:05:122
296141199220,22cyclictest3147105-21sendmail12:39:592
296141199220,22cyclictest0-21swapper/211:25:122
296141199220,21cyclictest0-21swapper/211:40:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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