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2026-02-28 - 21:51
[ 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 Sat Feb 28, 2026 12:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
809699594,44cyclictest13483-21ssh11:45:121
808599513,6cyclictest131rcu_preempt10:45:120
809699505,33cyclictest28586-21ssh10:05:141
808599493,9cyclictest131rcu_preempt08:00:130
808599493,9cyclictest131rcu_preempt08:00:130
811299473,25cyclictest28366irq/58-eth011:05:113
809699458,23cyclictest21-21ksoftirqd/109:15:141
808599453,7cyclictest0-21swapper/008:55:130
808599451,4cyclictest131rcu_preempt11:55:120
808599443,38cyclictest934-21ssh11:20:140
808599442,37cyclictest22481-21ssh11:50:120
8112994317,14cyclictest28366irq/58-eth012:35:093
8104994310,22cyclictest27-21ksoftirqd/210:10:122
8104994310,22cyclictest27-21ksoftirqd/210:10:112
811299423,24cyclictest28366irq/58-eth007:35:163
808599421,11cyclictest29732-21ssh12:30:120
8096994122,13cyclictest8302-21apt-get07:10:101
808599403,29cyclictest13498-21ssh11:45:130
808599402,31cyclictest17088-21ssh12:05:110
811299392,23cyclictest28366irq/58-eth012:25:113
808599392,32cyclictest9898-21ssh11:25:110
808599391,31cyclictest11761-21ssh12:20:130
808599391,30cyclictest7213-21ssh09:35:120
809699381,34cyclictest18881-21ssh11:30:131
811299371,18cyclictest28366irq/58-eth011:30:143
8085993724,11cyclictest12-21ksoftirqd/009:20:140
8085993724,11cyclictest12-21ksoftirqd/009:20:130
8085993715,17cyclictest12-21ksoftirqd/007:40:150
808599368,9cyclictest20613-21cron10:55:020
808599361,17cyclictest10630-21rm09:55:140
811299353,19cyclictest28366irq/58-eth011:00:133
808599351,22cyclictest23095-21ssh10:20:120
809699341,18cyclictest20712-21ssh12:25:121
808599342,24cyclictest1674-21ssh09:50:140
808599342,15cyclictest27834-21ssh11:35:130
811299331,18cyclictest28366irq/58-eth009:40:123
810499331,22cyclictest29999-21ssh11:00:142
809699331,24cyclictest15463-21ssh11:10:121
809699331,24cyclictest15463-21ssh11:10:121
811299321,15cyclictest28366irq/58-eth009:25:133
809699324,24cyclictest31652-21ssh11:55:121
808599322,11cyclictest8159-21ssh12:00:120
811299313,17cyclictest28366irq/58-eth011:50:123
8112993117,9cyclictest28366irq/58-eth012:30:133
811299311,19cyclictest28366irq/58-eth009:55:133
810499313,23cyclictest0-21swapper/211:50:312
810499312,23cyclictest27406-21ssh09:10:132
810499312,18cyclictest23083-21apt-get10:20:122
809699314,25cyclictest32138-21ssh10:25:151
809699312,24cyclictest27008-21diskmemload09:25:151
810499303,20cyclictest0-21swapper/210:34:302
810499302,21cyclictest22467-21users10:35:292
810499301,17cyclictest1664-21ssh09:50:132
8096993020,5cyclictest17995-21apt-get07:20:131
8096993017,8cyclictest4456-21apt-get11:40:121
808599302,21cyclictest2755-21ssh12:15:140
811299293,17cyclictest0-21swapper/310:34:303
811299292,19cyclictest0-21swapper/311:20:153
809699291,21cyclictest29989-21ssh11:00:121
811299283,18cyclictest0-21swapper/312:10:313
811299283,17cyclictest0-21swapper/311:45:133
810499285,7cyclictest0-21swapper/212:26:002
809699285,13cyclictest21-21ksoftirqd/109:10:111
809699280,20cyclictest0-21swapper/109:05:131
808599282,20cyclictest8648-21ssh10:30:130
808599281,17cyclictest2520566rm09:45:130
811299272,15cyclictest28366irq/58-eth011:10:113
811299272,15cyclictest28366irq/58-eth011:10:103
810499276,11cyclictest22346irq/40-dwc2_hso08:05:122
810499273,16cyclictest22346irq/40-dwc2_hso09:15:122
810499272,9cyclictest9082-21ssh11:24:302
810499272,18cyclictest22346irq/40-dwc2_hso11:05:112
810499272,10cyclictest0-21swapper/210:15:142
809699278,6cyclictest21-21ksoftirqd/112:35:191
809699272,19cyclictest703-21ssh10:42:301
809699272,19cyclictest16800-21sh10:34:291
808599276,10cyclictest0-21swapper/008:35:130
8085992717,5cyclictest0-21swapper/011:15:130
811299267,10cyclictest28366irq/58-eth012:05:123
811299262,12cyclictest0-21swapper/307:25:123
810499263,16cyclictest26058-21ssh12:10:102
810499261,8cyclictest27-21ksoftirqd/211:30:132
810499261,23cyclictest11732-21ssh12:20:112
810499261,21cyclictest924-21snmpd10:55:112
8104992612,11cyclictest0-21swapper/209:35:022
810499261,18cyclictest27767-21ls08:00:232
810499261,18cyclictest27767-21ls08:00:222
810499261,12cyclictest28595-21ssh10:05:142
808599269,12cyclictest12-21ksoftirqd/010:44:300
808599261,18cyclictest18891-21ssh11:30:140
810499252,18cyclictest7005-21ssh10:28:292
810499252,18cyclictest14643-21ssh12:02:302
810499252,18cyclictest12843-21ssh09:20:142
810499252,18cyclictest12843-21ssh09:20:142
8104992513,9cyclictest16958-21ssh09:57:162
810499251,15cyclictest7787-21ls12:00:012
810499250,14cyclictest3341-21grep10:45:152
809699252,18cyclictest22373-21ssh12:05:591
8096992513,6cyclictest0-21swapper/107:35:151
811299246,14cyclictest28366irq/58-eth011:25:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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