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2026-01-13 - 02:07
[ 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 #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 Mon Jan 12, 2026 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23659582239172,21sleep30-21swapper/307:06:003
23660202237178,18sleep20-21swapper/207:06:542
23659242228176,41sleep70-21swapper/707:05:327
23661252220179,26sleep40-21swapper/407:08:264
23659272216182,22sleep10-21swapper/107:05:331
23660432214174,25sleep50-21swapper/507:07:155
23660472208177,20sleep00-21swapper/007:07:180
23661182203168,23sleep60-21swapper/607:08:206
236647499273,23cyclictest0-21swapper/710:40:017
2366474992624,2cyclictest2465303-21awk10:00:017
236646899260,24cyclictest2529369-21apt-get11:50:125
236647099250,1cyclictest0-21swapper/610:40:026
236645399250,24cyclictest0-21swapper/108:50:111
2366474992421,2cyclictest2523232-21munin-run11:39:597
236647499241,0cyclictest0-21swapper/710:10:117
236647099240,23cyclictest2508944-21munin-run11:15:006
236647099240,23cyclictest2413349-21munin-run08:30:006
236647099240,0cyclictest0-21swapper/608:35:006
236646899240,23cyclictest2442869-21apt-get09:20:115
236645899240,23cyclictest2408060-21apt-get08:20:113
236645899240,23cyclictest2376078-21apt-get07:25:103
236645899240,23cyclictest0-21swapper/308:50:113
2366453992423,1cyclictest2419306-21apt-get08:40:011
2366453992411,12cyclictest0-21swapper/108:55:121
236645399240,23cyclictest0-21swapper/110:10:101
236647499230,22cyclictest2556242-21awk12:40:007
236647499230,22cyclictest0-21swapper/709:25:117
236647499230,22cyclictest0-21swapper/707:14:597
236647499230,21cyclictest0-21swapper/709:40:127
2366470992321,1cyclictest2537943-21apt-get12:05:126
2366470992321,1cyclictest2387099-21apt-get07:45:016
2366470992321,1cyclictest0-21swapper/612:20:006
236646899230,22cyclictest2497252-21munin-run10:55:005
236646899230,0cyclictest0-21swapper/510:00:125
236645899230,22cyclictest0-21swapper/310:35:003
236645899230,22cyclictest0-21swapper/310:05:013
236645899230,1cyclictest2399484-21apt-get08:05:133
236645499230,23cyclictest2488410-21apt-get10:40:022
236645499230,22cyclictest0-21swapper/210:10:102
236645399230,2cyclictest2425315-21awk08:50:001
236645399230,22cyclictest2517943-21apt-get11:30:121
236645399230,22cyclictest0-21swapper/107:39:591
236645399230,1cyclictest0-21swapper/111:09:591
2366449992321,1cyclictest0-21swapper/011:25:130
2366449992321,1cyclictest0-21swapper/009:40:110
2366449992321,1cyclictest0-21swapper/007:40:120
236644999230,22cyclictest2502971-21apt-get11:05:010
236644999230,22cyclictest2422864-21apt-get08:45:120
236644999230,22cyclictest0-21swapper/008:00:000
2366474992220,1cyclictest2489072-21apt-get10:40:017
236647499221,21cyclictest0-21swapper/709:55:007
236647499220,21cyclictest0-21swapper/708:35:107
236647499220,21cyclictest0-21swapper/708:15:117
236647499220,1cyclictest2442431-21sendmail09:20:017
236647499220,1cyclictest2442431-21sendmail09:20:007
2366470992221,1cyclictest2376078-21apt-get07:25:126
2366470992220,1cyclictest2370349-21apt-get07:15:116
2366470992218,3cyclictest0-21swapper/607:55:126
236647099220,21cyclictest0-21swapper/612:39:596
236647099220,21cyclictest0-21swapper/610:50:126
236647099220,21cyclictest0-21swapper/610:35:126
236647099220,17cyclictest2535093-21apt-get12:00:136
2366468992220,1cyclictest0-21swapper/512:35:015
236646899220,21cyclictest2372766-21cron07:19:595
236646899220,21cyclictest0-21swapper/512:30:105
236646899220,21cyclictest0-21swapper/511:35:115
236646899220,21cyclictest0-21swapper/509:25:105
236646899220,1cyclictest0-21swapper/509:15:015
236646899220,1cyclictest0-21swapper/509:15:015
2366464992221,1cyclictest2520394-21awk11:35:004
2366464992221,1cyclictest0-21swapper/408:45:124
2366464992221,1cyclictest0-21swapper/407:50:114
236646499220,0cyclictest0-21swapper/411:05:124
2366458992221,1cyclictest2366772-21apt-get07:10:113
236645899220,21cyclictest0-21swapper/310:50:133
236645899220,21cyclictest0-21swapper/310:00:133
236645899220,21cyclictest0-21swapper/307:50:103
236645899220,1cyclictest2547289-21awk12:24:593
236645899220,1cyclictest2480275-21apt-get10:25:123
236645899220,1cyclictest0-21swapper/307:25:003
236645499220,22cyclictest2553089-21awk12:35:002
236645499220,22cyclictest0-21swapper/209:45:002
236645499220,21cyclictest0-21swapper/210:55:112
2366453992221,1cyclictest0-21swapper/109:10:111
2366453992221,1cyclictest0-21swapper/109:10:111
2366453992220,2cyclictest2410512-21idleruntime-cro08:25:001
2366453992220,1cyclictest0-21swapper/112:20:001
236645399220,21cyclictest0-21swapper/112:35:011
236645399220,21cyclictest0-21swapper/110:15:121
236645399220,21cyclictest0-21swapper/109:00:121
236645399220,21cyclictest0-21swapper/108:00:111
236645399220,1cyclictest664-21in:imuxsock12:25:001
236645399220,1cyclictest2378513-21munin-run07:30:001
236645399220,1cyclictest2372822-21idleruntime-cro07:20:001
236645399220,1cyclictest0-21swapper/107:59:591
2366449992221,1cyclictest0-21swapper/009:45:110
2366449992221,0cyclictest0-21swapper/008:10:110
2366449992220,1cyclictest0-21swapper/010:55:110
2366449992220,1cyclictest0-21swapper/007:15:120
236644999220,21cyclictest0-21swapper/010:10:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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