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2026-01-13 - 07:38
[ 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 Tue Jan 13, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28150072236169,21sleep60-21swapper/619:09:316
28147302228191,24sleep20-21swapper/219:05:342
28148732224164,19sleep30-21swapper/319:07:363
28149882221163,18sleep70-21swapper/719:09:177
28147282220166,18sleep00-21swapper/019:05:330
28148462216161,18sleep50-21swapper/519:07:135
28150022210177,21sleep10-21swapper/119:09:261
28149192210177,22sleep40-21swapper/419:08:174
29295902610,0sleep20-21swapper/222:30:002
2815253992621,5cyclictest2880036-21basename21:05:011
281526899250,21cyclictest882-21mta-sts-daemon00:35:125
2815258992523,1cyclictest3001563-21apt-get00:35:123
2815256992523,1cyclictest2975566-21apt-get23:50:122
2815256992523,1cyclictest2932703-21apt-get22:35:122
281525699250,24cyclictest2947003-21apt-get23:00:122
281525699250,24cyclictest0-21swapper/221:15:102
2815253992520,4cyclictest2935177-21awk22:40:001
2815274992422,1cyclictest0-21swapper/720:15:007
281527499240,23cyclictest0-21swapper/722:40:127
281527299240,24cyclictest2880008-21apt-get21:05:026
2815268992420,3cyclictest0-21swapper/519:25:125
281525899240,23cyclictest0-21swapper/321:00:103
281525899240,1cyclictest2921008-21apt-get22:15:113
2815256992423,1cyclictest0-21swapper/221:05:012
281525699240,23cyclictest1-21systemd21:15:002
2815253992420,3cyclictest0-21swapper/121:25:111
281525399240,23cyclictest0-21swapper/123:10:121
2815274992321,1cyclictest2844713-21basename20:00:017
2815274992321,1cyclictest0-21swapper/719:15:007
281527499230,22cyclictest2892393-21apt-get21:25:107
281527499230,22cyclictest2832098-21ntpq19:35:167
281527499230,22cyclictest0-21swapper/723:45:117
2815272992322,1cyclictest0-21swapper/620:05:136
281527299230,23cyclictest2856439-21sendmail-msp20:20:006
281527299230,22cyclictest0-21swapper/600:35:006
2815268992322,1cyclictest2923883-21apt-get22:20:125
2815268992321,1cyclictest0-21swapper/520:20:115
2815268992320,2cyclictest0-21swapper/519:40:005
281526399230,22cyclictest2842273-21apt-get19:55:124
281526399230,21cyclictest0-21swapper/421:30:104
2815258992320,3cyclictest2877157-21perf21:00:013
281525899230,22cyclictest0-21swapper/323:05:113
2815256992320,2cyclictest2992318-21perf00:20:002
281525699230,2cyclictest2867827-21munin-run20:40:002
281525699230,22cyclictest0-21swapper/219:10:212
2815253992320,2cyclictest0-21swapper/119:25:111
2815253992319,4cyclictest0-21swapper/121:20:111
281525399230,22cyclictest3000874-21apt-get00:35:021
281525399230,22cyclictest0-21swapper/119:20:111
281525399230,0cyclictest0-21swapper/122:10:101
2815249992322,1cyclictest2911991-21tr22:00:010
2815249992321,1cyclictest2842273-21apt-get19:55:140
281527499220,21cyclictest2938424-21apt-get22:45:127
281527499220,21cyclictest2900977-21apt-get21:40:137
281527499220,21cyclictest0-21swapper/720:55:127
281527499220,21cyclictest0-21swapper/720:05:127
281527499220,0cyclictest0-21swapper/720:30:127
2815272992221,1cyclictest2929851-21apt-get22:30:126
2815272992221,1cyclictest0-21swapper/622:10:006
2815272992220,1cyclictest2952705-21apt-get23:10:116
281527299220,21cyclictest2935576-21apt-get22:40:126
281527299220,21cyclictest0-21swapper/623:25:126
281527299220,21cyclictest0-21swapper/623:25:126
281527299220,21cyclictest0-21swapper/623:20:126
281527299220,21cyclictest0-21swapper/623:20:126
281527299220,21cyclictest0-21swapper/622:50:136
281527299220,21cyclictest0-21swapper/621:45:006
281527299220,21cyclictest0-21swapper/621:10:106
281527299220,21cyclictest0-21swapper/620:55:006
281527299220,21cyclictest0-21swapper/619:25:126
281527299220,21cyclictest0-21swapper/619:20:116
2815268992221,1cyclictest0-21swapper/520:05:005
2815268992221,1cyclictest0-21swapper/519:40:135
2815268992220,2cyclictest0-21swapper/523:50:125
2815268992220,1cyclictest2877584-21apt-get21:00:105
2815268992218,3cyclictest2906676-21apt-get21:50:115
281526899220,21cyclictest0-21swapper/522:25:125
281526899220,21cyclictest0-21swapper/521:05:015
281526899220,21cyclictest0-21swapper/520:10:125
281526899220,1cyclictest2871452-21awk20:50:015
281526899220,1cyclictest0-21swapper/523:00:015
281526899220,0cyclictest0-21swapper/500:30:115
2815263992220,1cyclictest0-21swapper/422:05:004
2815263992220,1cyclictest0-21swapper/400:40:004
281526399220,21cyclictest0-21swapper/423:25:124
281526399220,21cyclictest0-21swapper/423:25:124
281526399220,21cyclictest0-21swapper/421:55:124
281526399220,21cyclictest0-21swapper/421:45:124
281526399220,21cyclictest0-21swapper/421:10:104
281526399220,21cyclictest0-21swapper/420:20:114
281526399220,21cyclictest0-21swapper/400:30:114
281526399220,1cyclictest2980853-21munin-run00:00:004
281526399220,0cyclictest0-21swapper/422:10:104
281525899220,22cyclictest2850687-21turbostat20:10:003
281525899220,22cyclictest0-21swapper/319:15:113
281525899220,21cyclictest2827991-21apt-get19:30:103
281525899220,21cyclictest0-21swapper/323:40:133
281525899220,21cyclictest0-21swapper/321:45:133
281525899220,21cyclictest0-21swapper/319:40:123
281525899220,21cyclictest0-21swapper/319:35:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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