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2026-01-25 - 05:36
[ 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 #2, slot #7

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 highest latencies:
System rack2slot7s.osadl.org (updated Sat Jan 24, 2026 19:55:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1911030999381,6cyclictest0-21swapper/217:10:022
1911030999381,6cyclictest0-21swapper/217:10:022
1911029997769,5cyclictest2727859-21sh18:10:211
1911029997769,5cyclictest2727859-21sh18:10:211
1911028996956,8cyclictest2228633-21context118:01:290
1911030996048,8cyclictest2720869-21sort18:10:022
191102899603,51cyclictest151ktimers/017:45:060
1911030995950,6cyclictest2727524-21multi.sh18:10:202
1911030995950,6cyclictest2727524-21multi.sh18:10:202
1911028995749,5cyclictest2727063-21sort18:10:180
1911028995749,5cyclictest2727063-21sort18:10:180
1911029995645,7cyclictest2196418-21sh17:42:261
1911029995344,5cyclictest2722384-21sh18:10:061
1911030995143,5cyclictest2142122-21netstat17:40:012
191103099512,42cyclictest2143225-21tee17:40:062
1911030995042,5cyclictest2227554-21pipe18:00:102
1911028995043,4cyclictest0-21swapper/017:50:090
1911030994940,6cyclictest2105522-21latency_hist17:35:012
1911029994942,4cyclictest0-21swapper/117:55:021
1911029994941,5cyclictest0-21swapper/117:10:011
1911029994941,5cyclictest0-21swapper/117:10:011
1911028994934,12cyclictest2206225-21sh17:42:530
1911029994737,7cyclictest2227541-21Run18:00:001
1911028994738,5cyclictest2718752-21grep18:09:560
1911030994436,5cyclictest2223679-21execl17:49:592
1911030994435,5cyclictest0-21swapper/217:50:102
1911029994432,8cyclictest2142161-21sh17:40:011
191103099432,36cyclictest596674-21cups-browsed18:15:052
1911029994336,3cyclictest0-21swapper/117:50:021
1911030994235,4cyclictest2801053-21munin-plugin-st18:40:002
1911029994234,5cyclictest2104902-21spawn17:35:001
1911028994234,5cyclictest2142320-21tee17:40:020
1911028994124,14cyclictest2795156-21cron18:20:000
1911030994033,4cyclictest1917326-21munin-plugin-st17:25:012
1911030993927,8cyclictest1914005-21latency_hist17:15:022
1911028993929,7cyclictest0-21swapper/018:30:070
1911028993929,7cyclictest0-21swapper/018:30:070
1911029993832,3cyclictest0-21swapper/118:20:021
1911029993830,5cyclictest1914080-21netstat17:15:011
1911029993829,6cyclictest2271429-21spawn18:03:001
1911029993829,6cyclictest0-21swapper/118:35:001
1911029993829,6cyclictest0-21swapper/118:35:001
1911030993629,3cyclictest0-21swapper/218:25:022
1911029993627,6cyclictest2801042-21cron18:40:001
191102999361,28cyclictest1916211-21execl17:20:111
1911028993629,4cyclictest1917520-21latency_hist17:25:030
1911028993528,5cyclictest1912607-21gcc17:10:010
1911028993528,5cyclictest1912607-21gcc17:10:010
1911029993420,11cyclictest1167-21mta-sts-daemon17:28:211
1911028993428,4cyclictest1915456-21fschecks_time17:19:580
1911028993428,3cyclictest0-21swapper/017:57:510
1911028993413,15cyclictest12450irq/32-eth017:15:020
1911029993323,7cyclictest1915670-21munin-run17:20:011
191102999331,22cyclictest2796814-21date18:25:021
1911028993325,6cyclictest2801063-21idleruntime-cro18:40:000
1911030993221,8cyclictest2799620-21missed_timers18:35:002
1911030993221,8cyclictest2799620-21missed_timers18:35:002
1911030993216,11cyclictest2226805-21fstime17:56:162
1911028993222,7cyclictest2104913-21spawn17:35:000
1911030993024,3cyclictest0-21swapper/217:30:002
191102999308,18cyclictest261rcuc/117:05:021
1911028993018,9cyclictest12450irq/32-eth017:05:030
191102899296,18cyclictest151ktimers/018:20:030
1911030992821,4cyclictest2797850-21fschecks_time18:30:002
1911030992821,4cyclictest2797850-21fschecks_time18:30:002
1911028992822,3cyclictest0-21swapper/017:29:570
1911030992720,3cyclictest0-21swapper/217:05:032
1911029992716,9cyclictest271ktimers/118:25:061
1911029992716,9cyclictest271ktimers/118:25:061
1911028992719,5cyclictest2797656-21aten2.4-expect18:29:560
1911028992719,5cyclictest2797656-21aten2.4-expect18:29:560
1911030992418,3cyclictest0-21swapper/217:15:072
191103199225,11cyclictest0-21swapper/318:10:123
191103199225,11cyclictest0-21swapper/318:10:123
1911031992111,5cyclictest0-21swapper/318:20:013
191103199185,8cyclictest0-21swapper/317:57:513
191103199185,7cyclictest0-21swapper/317:51:113
191103199173,7cyclictest0-21swapper/318:01:553
191103199173,5cyclictest0-21swapper/317:30:033
191103199172,9cyclictest0-21swapper/317:40:053
191103199164,7cyclictest0-21swapper/317:49:553
191103199162,8cyclictest0-21swapper/317:15:023
191103199153,8cyclictest0-21swapper/317:25:023
191103199153,4cyclictest0-21swapper/317:40:033
191103199152,8cyclictest0-21swapper/318:05:093
191103199152,7cyclictest0-21swapper/317:27:333
191103199151,6cyclictest0-21swapper/318:30:063
191103199151,6cyclictest0-21swapper/318:30:063
191103199142,8cyclictest0-21swapper/317:10:033
191103199142,8cyclictest0-21swapper/317:10:033
191103199135,6cyclictest0-21swapper/318:35:053
191103199131,6cyclictest0-21swapper/317:05:023
191103199122,5cyclictest0-21swapper/318:25:023
191103199103,5cyclictest0-21swapper/318:30:013
191103199103,5cyclictest0-21swapper/318:30:013
191103199103,5cyclictest0-21swapper/317:15:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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