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2026-02-09 - 02:00
[ 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 Sun Feb 08, 2026 12:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1872999706,16cyclictest21-21ksoftirqd/112:30:151
1872999706,16cyclictest21-21ksoftirqd/112:30:141
1873799543,33cyclictest23022-21ssh09:20:122
18746994733,10cyclictest28366irq/58-eth011:55:133
1872199453,8cyclictest12-21ksoftirqd/011:20:140
18721994511,3cyclictest131rcu_preempt11:55:120
1874699445,24cyclictest28366irq/58-eth011:15:133
1873799421,24cyclictest13404-21ssh10:45:142
1874699419,21cyclictest0-21swapper/308:35:143
1874699416,20cyclictest28366irq/58-eth011:35:143
1874699416,20cyclictest28366irq/58-eth011:35:133
1874699415,22cyclictest28366irq/58-eth009:05:163
1872999413,27cyclictest21017-21ssh09:55:121
1873799372,19cyclictest442-21fschecks_count11:50:162
1873799372,19cyclictest23641-21ssh11:45:082
1874699359,15cyclictest0-21swapper/309:50:143
1873799351,17cyclictest4513-21ssh10:40:142
1873799351,17cyclictest4513-21ssh10:40:132
1872999330,20cyclictest30022-21ssh10:00:121
1874699324,19cyclictest0-21swapper/311:40:143
1874699323,17cyclictest28366irq/58-eth009:55:123
1872999321,6cyclictest21-21ksoftirqd/109:05:161
18729993211,8cyclictest21-21ksoftirqd/111:35:141
18729993211,8cyclictest21-21ksoftirqd/111:35:141
1872199323,26cyclictest27158-21rm12:05:120
1874699314,17cyclictest28366irq/58-eth010:30:143
1874699312,17cyclictest28366irq/58-eth012:30:153
1874699312,17cyclictest28366irq/58-eth012:30:143
1874699304,12cyclictest28366irq/58-eth009:40:133
1873799303,18cyclictest22346irq/40-dwc2_hso11:35:132
1873799303,18cyclictest22346irq/40-dwc2_hso11:35:122
1873799302,21cyclictest0-21swapper/207:20:052
1873799302,19cyclictest27-21ksoftirqd/209:15:172
1873799302,11cyclictest2554-21perl11:15:162
1872999301,26cyclictest15542-21ssh10:10:151
1874699297,9cyclictest0-21swapper/311:00:133
1874699295,15cyclictest28366irq/58-eth010:00:133
1874699291,16cyclictest28366irq/58-eth011:50:133
1873799293,17cyclictest22346irq/40-dwc2_hso10:05:122
1873799292,19cyclictest12587-21ssh12:15:152
1873799292,17cyclictest995-21sh10:20:142
1873799292,11cyclictest29412-21ssh12:24:172
1872999293,18cyclictest17571-21ssh09:35:131
1874699285,13cyclictest0-21swapper/312:15:143
1873799282,20cyclictest0-21swapper/208:05:142
18729992817,4cyclictest21-21ksoftirqd/107:55:131
1874699274,14cyclictest0-21swapper/311:25:143
1874699274,14cyclictest0-21swapper/310:35:143
1874699272,13cyclictest0-21swapper/309:30:113
1873799273,18cyclictest22346irq/40-dwc2_hso08:20:122
1873799273,16cyclictest22346irq/40-dwc2_hso09:10:122
1873799271,21cyclictest9207-21ssh11:55:142
1873799271,14cyclictest1-21systemd12:25:152
1872999277,15cyclictest21-21ksoftirqd/110:36:221
1872999271,17cyclictest1-21systemd12:05:121
18729992710,15cyclictest21-21ksoftirqd/110:45:021
18729992710,15cyclictest21-21ksoftirqd/110:45:011
18721992715,9cyclictest12-21ksoftirqd/010:50:150
1872199271,20cyclictest5795-21apt-get07:30:120
18721992710,3cyclictest12-21ksoftirqd/010:35:160
1874699269,12cyclictest0-21swapper/310:50:153
1874699264,12cyclictest0-21swapper/310:20:133
1874699262,16cyclictest28366irq/58-eth010:40:143
1874699262,16cyclictest28366irq/58-eth010:40:133
18746992613,10cyclictest0-21swapper/310:45:123
1873799263,13cyclictest22346irq/40-dwc2_hso08:50:122
1873799263,13cyclictest22346irq/40-dwc2_hso08:25:132
1873799262,19cyclictest0-21swapper/212:04:162
1873799262,18cyclictest27143-21apt-get12:05:132
1873799262,10cyclictest0-21swapper/207:35:122
18737992610,10cyclictest0-21swapper/210:15:142
1872999269,14cyclictest21-21ksoftirqd/109:24:521
1872999262,2cyclictest131rcu_preempt10:56:431
18729992620,3cyclictest0-21swapper/109:40:141
1872199269,3cyclictest131rcu_preempt10:48:090
1872199268,3cyclictest131rcu_preempt09:45:180
18721992612,7cyclictest0-21swapper/010:40:390
18721992612,7cyclictest0-21swapper/010:40:390
1872199261,18cyclictest2315-21ssh11:15:120
1874699259,10cyclictest28366irq/58-eth012:24:173
1874699252,11cyclictest0-21swapper/311:45:073
1873799254,10cyclictest131rcu_preempt08:10:142
1873799253,17cyclictest0-21swapper/211:33:162
1873799253,16cyclictest22346irq/40-dwc2_hso11:25:132
1873799253,14cyclictest22346irq/40-dwc2_hso07:50:112
1872999258,15cyclictest21-21ksoftirqd/111:53:591
1872999253,4cyclictest131rcu_preempt10:30:131
1872199257,7cyclictest12-21ksoftirqd/007:40:230
18721992514,3cyclictest12-21ksoftirqd/010:32:120
18721992511,2cyclictest12-21ksoftirqd/011:50:080
18721992510,2cyclictest12-21ksoftirqd/009:37:580
1874699243,13cyclictest28366irq/58-eth009:45:133
1874699242,13cyclictest28366irq/58-eth008:15:133
1873799247,7cyclictest131rcu_preempt09:50:162
1873799245,4cyclictest13058-21kthreadcore10:25:202
1873799244,16cyclictest22346irq/40-dwc2_hso09:05:162
1873799244,15cyclictest22346irq/40-dwc2_hso10:00:142
1873799242,6cyclictest0-21swapper/210:55:152
1873799242,17cyclictest21899-21ssh11:43:162
1873799241,3cyclictest0-21swapper/207:55:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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