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2026-02-11 - 20:10
[ 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 Wed Feb 11, 2026 12:45:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1878699693,39cyclictest4064-21ssh09:45:152
1878699612,36cyclictest13860-21ssh09:15:132
1878699563,38cyclictest23305-21ssh12:00:152
1878699552,48cyclictest25430-21ssh10:50:112
1874799529,5cyclictest131rcu_preempt12:25:131
1871499492,33cyclictest27265-21ssh09:40:120
1878699482,23cyclictest1857-21tr11:30:202
18794994630,12cyclictest0-21swapper/312:30:133
1874799452,28cyclictest10052-21ssh11:35:121
1874799420,33cyclictest6089-21ssh11:15:121
1871499423,30cyclictest14101-21rm11:55:120
1871499421,37cyclictest2133-21ssh10:55:130
18794994126,6cyclictest28366irq/58-eth011:50:113
1874799411,3cyclictest131rcu_preempt10:40:121
18786994022,10cyclictest18043-21apt-get12:15:112
1874799404,23cyclictest17412-21kworker/u8:009:20:121
1871499392,9cyclictest131rcu_preempt08:20:130
1879499387,25cyclictest28366irq/58-eth010:25:133
1879499385,25cyclictest28366irq/58-eth011:40:123
1878699371,20cyclictest31521-21ssh10:00:112
1874799371,25cyclictest30613-21rm10:35:141
1871499363,27cyclictest8844-21ssh09:30:100
1879499353,21cyclictest28366irq/58-eth012:00:133
18794993513,16cyclictest28366irq/58-eth010:20:123
1878699352,27cyclictest13108-21ssh11:54:192
18747993514,11cyclictest11327-21ssh11:00:121
1871499358,21cyclictest12-21ksoftirqd/009:25:130
1871499354,24cyclictest12-21ksoftirqd/010:40:140
1871499351,27cyclictest13866-21ssh09:15:140
1879499344,20cyclictest28366irq/58-eth012:05:123
1879499343,17cyclictest28366irq/58-eth010:40:133
1878699345,10cyclictest14087-21apt-get11:55:132
1878699340,21cyclictest0-21swapper/209:33:172
1871499345,25cyclictest22191-21ssh12:35:140
1871499343,28cyclictest27240-21ssh12:20:100
1879499336,15cyclictest28366irq/58-eth011:25:113
18747993324,5cyclictest914-21rm11:30:111
1879499323,17cyclictest28366irq/58-eth009:45:133
18794993214,13cyclictest28366irq/58-eth012:25:143
1878699322,19cyclictest27-21ksoftirqd/211:35:122
1878699321,20cyclictest22346irq/40-dwc2_hso07:10:132
1874799325,19cyclictest18064-21ssh12:15:101
1874799322,22cyclictest22324-21ssh09:55:131
1871499329,5cyclictest131rcu_preempt12:25:140
1871499329,21cyclictest12-21ksoftirqd/008:15:120
1871499328,19cyclictest12-21ksoftirqd/007:15:120
1871499325,24cyclictest3234-21ssh10:20:120
1878699317,12cyclictest0-21swapper/212:09:082
1878699315,14cyclictest0-21swapper/210:49:122
1878699315,14cyclictest0-21swapper/210:49:112
1878699313,17cyclictest22346irq/40-dwc2_hso11:45:132
18786993114,12cyclictest29475-21ssh11:10:152
1878699311,12cyclictest3252-21sh10:20:132
1874799312,9cyclictest131rcu_preempt07:45:111
18747993117,9cyclictest0-21swapper/110:55:111
1871499311,22cyclictest13178-21ssh09:50:110
18714993111,13cyclictest12-21ksoftirqd/012:30:130
1879499301,17cyclictest28366irq/58-eth010:55:113
1878699309,18cyclictest0-21swapper/209:25:122
1878699304,16cyclictest22346irq/40-dwc2_hso07:20:132
1878699303,16cyclictest22346irq/40-dwc2_hso09:10:132
18786993017,3cyclictest15261-21apt-get11:20:172
1871499305,20cyclictest26485-21ssh10:15:110
1871499302,22cyclictest16511-21sh12:13:390
1879499291,17cyclictest28366irq/58-eth009:50:123
1878699297,12cyclictest0-21swapper/212:26:422
1878699295,5cyclictest27-21ksoftirqd/210:55:292
1878699292,18cyclictest22346irq/40-dwc2_hso10:25:132
18786992916,6cyclictest0-21swapper/209:55:112
1878699291,21cyclictest0-21swapper/208:15:122
1878699291,14cyclictest18000-21ssh09:35:142
1874799298,16cyclictest21-21ksoftirqd/112:05:131
1874799295,15cyclictest21-21ksoftirqd/110:30:131
1871499292,21cyclictest6765-21kthreadcore11:50:190
1871499292,21cyclictest1856-21cut11:30:200
1879499282,20cyclictest28366irq/58-eth009:00:123
18794992818,6cyclictest28366irq/58-eth011:05:113
1878699287,16cyclictest0-21swapper/212:30:132
1878699283,16cyclictest22346irq/40-dwc2_hso07:35:122
1878699282,9cyclictest29802-21cut12:20:192
1878699282,19cyclictest0-21swapper/208:30:142
1878699281,21cyclictest17369-21ssh10:10:122
1878699281,12cyclictest27543-21awk07:15:282
1874799285,15cyclictest0-21swapper/110:50:121
1874799282,20cyclictest12494-21ssh11:53:371
1871499282,22cyclictest23811-21ssh12:00:190
1879499273,15cyclictest28366irq/58-eth009:15:133
18794992716,7cyclictest321rcuc/310:35:153
1878699279,16cyclictest0-21swapper/211:00:122
1878699279,11cyclictest0-21swapper/211:15:112
1878699277,6cyclictest27-21ksoftirqd/212:35:122
1878699274,14cyclictest22346irq/40-dwc2_hso09:05:122
1878699272,19cyclictest0-21swapper/208:40:142
1878699272,18cyclictest19246-21ssh11:40:132
18786992719,4cyclictest20165-21apt-get07:45:112
1878699271,11cyclictest4405-21diskmemload12:10:192
18786992711,12cyclictest0-21swapper/208:20:132
18786992711,10cyclictest23028-21apt-get09:20:132
1871499272,21cyclictest4049-21ssh09:45:140
18714992716,7cyclictest0-21swapper/012:15:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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