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2026-02-23 - 00:20
[ 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 22, 2026 12:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26919998213,19cyclictest131rcu_preempt08:35:122
2691999642,41cyclictest16125-21ssh12:30:142
2691999573,12cyclictest0-21swapper/209:05:132
2691999573,12cyclictest0-21swapper/209:05:132
2691199573,41cyclictest9340-21ssh11:50:151
26911995319,23cyclictest21-21ksoftirqd/107:50:131
2690099501,42cyclictest31902-21ssh09:20:140
2690099498,19cyclictest12-21ksoftirqd/009:05:130
2690099498,19cyclictest12-21ksoftirqd/009:05:130
2691199481,39cyclictest1327-21ssh10:15:131
26911994728,9cyclictest131rcu_preempt09:15:131
26900994626,3cyclictest131rcu_preempt09:35:140
26900994616,25cyclictest12-21ksoftirqd/011:35:120
2691999456,4cyclictest131rcu_preempt09:50:142
2691199451,34cyclictest21288-21ssh09:50:151
2690099451,35cyclictest6872-21ssh10:00:130
2691199443,3cyclictest131rcu_preempt10:35:131
2691999382,28cyclictest9035-21ssh12:05:572
2690099382,24cyclictest31584-21ssh10:50:150
26900993812,18cyclictest12-21ksoftirqd/007:40:120
2692799372,21cyclictest28366irq/58-eth012:00:133
2692799371,19cyclictest28366irq/58-eth011:35:133
2692799371,18cyclictest28366irq/58-eth012:25:143
2690099375,9cyclictest12-21ksoftirqd/010:05:150
2690099373,21cyclictest27302-21ssh12:00:120
2690099372,31cyclictest17701-21ssh09:30:140
2690099372,31cyclictest17701-21ssh09:30:140
26900993720,12cyclictest12-21ksoftirqd/009:10:120
2690099371,32cyclictest8547-21ssh09:25:130
2691999363,25cyclictest0-21swapper/211:00:212
2691999362,27cyclictest21406-21kthreadcore10:25:202
2691199353,23cyclictest347-21ssh11:45:141
2691199349,11cyclictest25933-21ssh11:05:121
26900993416,15cyclictest12-21ksoftirqd/008:15:130
2690099341,30cyclictest24810-21ssh10:10:130
2690099333,14cyclictest10303-21ssh10:20:140
26900993311,16cyclictest131rcu_preempt12:10:140
2691999322,14cyclictest924-21snmpd11:10:152
2691199324,12cyclictest131rcu_preempt10:50:151
2690099322,28cyclictest1321-21ssh10:15:120
26927993115,10cyclictest321rcuc/308:35:123
2690099311,8cyclictest12-21ksoftirqd/007:15:130
2690099311,8cyclictest12-21ksoftirqd/007:15:130
2692799304,19cyclictest28366irq/58-eth009:40:123
2692799302,19cyclictest28366irq/58-eth009:10:133
2692799301,18cyclictest0-21swapper/309:20:143
2690099305,6cyclictest12-21ksoftirqd/008:50:130
2690099304,21cyclictest12-21ksoftirqd/008:35:110
2690099302,22cyclictest17661-21ssh11:54:460
26900993021,7cyclictest13352-21diskmemload09:40:120
2692799294,17cyclictest28366irq/58-eth012:15:133
2692799293,22cyclictest28366irq/58-eth011:40:143
2692799292,13cyclictest0-21swapper/308:50:143
26927992919,6cyclictest28366irq/58-eth010:00:133
2691999292,11cyclictest4929-21ssh11:29:222
2691999291,18cyclictest23895-21ssh11:40:122
2691999291,16cyclictest25949-21ssh11:05:132
2691199292,21cyclictest26713-21apt-get09:35:141
2690099298,18cyclictest12-21ksoftirqd/008:05:120
2692799285,14cyclictest28366irq/58-eth012:35:133
2692799285,14cyclictest28366irq/58-eth012:35:133
26927992814,7cyclictest0-21swapper/310:55:173
2691999282,21cyclictest0-21swapper/212:36:212
2691999282,21cyclictest0-21swapper/212:36:202
2691999282,20cyclictest0-21swapper/209:00:132
2691199285,15cyclictest633-21Async12:11:531
26900992816,7cyclictest0-21swapper/011:25:170
2692799273,14cyclictest28366irq/58-eth009:30:123
2692799273,14cyclictest28366irq/58-eth009:30:113
2691999274,17cyclictest22346irq/40-dwc2_hso09:55:132
2691999274,15cyclictest22346irq/40-dwc2_hso07:30:122
2691999273,18cyclictest0-21swapper/211:58:212
2691999272,20cyclictest0-21swapper/211:24:392
2691999272,10cyclictest16224-21ssh10:59:352
26911992720,3cyclictest21-21ksoftirqd/112:25:121
2690099272,19cyclictest20822-21ssh10:43:210
2690099272,19cyclictest13902-21ssh11:34:210
2692799263,15cyclictest0-21swapper/312:05:573
2692799261,13cyclictest28366irq/58-eth010:40:113
2691999262,9cyclictest8329-21ssh11:30:212
2691999262,19cyclictest4728-21ssh10:35:122
2691999262,19cyclictest23747-21ssh10:09:212
2691999262,19cyclictest0-21swapper/207:55:142
2691199262,19cyclictest20485-21ssh11:20:141
26911992620,2cyclictest21-21ksoftirqd/112:35:131
26911992620,2cyclictest21-21ksoftirqd/112:35:131
26911992611,4cyclictest17555-21cut10:05:221
2690099267,13cyclictest12-21ksoftirqd/011:15:130
2692799253,12cyclictest28366irq/58-eth012:20:163
2691999252,16cyclictest22346irq/40-dwc2_hso10:10:142
2691999251,18cyclictest9347-21sh11:50:142
2690099252,19cyclictest4100-21ssh11:45:270
2690099252,17cyclictest30631-21ssh12:20:160
26900992516,5cyclictest26035-21latency10:45:230
26900992511,4cyclictest12-21ksoftirqd/009:59:140
2692799243,14cyclictest0-21swapper/311:58:203
26927992417,4cyclictest0-21swapper/310:35:123
2691999243,15cyclictest22346irq/40-dwc2_hso09:45:132
2691999243,14cyclictest13676-21ssh10:40:142
2691999242,15cyclictest22346irq/40-dwc2_hso07:10:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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