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2026-02-06 - 23:36
[ 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 #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 Fri Feb 06, 2026 12:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2626799721,36cyclictest8380-21ssh10:20:112
2624499715,56cyclictest28244-21ssh10:50:150
2626799631,38cyclictest15624-21ssh09:30:132
2625699587,6cyclictest131rcu_preempt11:25:151
2625699584,8cyclictest131rcu_preempt11:50:151
2624499581,45cyclictest31855-21ssh10:15:120
2626799552,33cyclictest18848-21ssh10:45:112
2625699541,39cyclictest18252-21ssh12:35:131
2625699534,42cyclictest5192-21ssh10:55:141
2625699484,36cyclictest24649-21ssh09:35:141
2624499481,34cyclictest23273-21ssh11:05:120
26256994711,24cyclictest21-21ksoftirqd/110:00:151
2624499454,28cyclictest14238-21ssh11:00:150
2624499421,34cyclictest885-21ssh10:35:140
2624499411,32cyclictest4791-21ssh10:00:140
2624499401,34cyclictest9902-21sh10:40:130
26256993910,23cyclictest22474-21kworker/u8:011:10:131
2626799381,34cyclictest6647-21ssh09:25:142
2625699389,18cyclictest32706-21ssh12:25:121
2626799372,23cyclictest924-21snmpd08:00:112
2624499371,30cyclictest8818-21ssh11:15:110
2626799362,17cyclictest14573-21/usr/sbin/munin12:15:112
2624499361,25cyclictest17424-21ssh10:25:130
26256993523,6cyclictest0-21swapper/107:20:101
26256993518,13cyclictest21-21ksoftirqd/111:55:141
26256993518,13cyclictest21-21ksoftirqd/109:30:121
2625699351,2cyclictest131rcu_preempt09:55:141
2624499352,18cyclictest24270-21ssh10:30:130
26256993417,8cyclictest26230-21cyclictest10:25:121
2624499343,25cyclictest9224-21ssh12:30:140
2626799339,20cyclictest633-21Async12:11:532
2626799337,16cyclictest22346irq/40-dwc2_hso07:50:122
2626799334,10cyclictest29586-21kworker/2:112:25:132
2626799324,25cyclictest868-21ssh10:35:142
26267993221,8cyclictest27-21ksoftirqd/210:50:142
2626799321,26cyclictest23297-21ssh11:05:142
26267993211,16cyclictest11886-21diskmemload09:45:152
2624499321,21cyclictest28225-21ssh09:55:140
2627999314,14cyclictest28366irq/58-eth012:25:123
26267993120,7cyclictest0-21swapper/207:35:152
26267993120,7cyclictest0-21swapper/207:35:142
26244993119,7cyclictest0-21swapper/007:10:140
26244993119,7cyclictest0-21swapper/007:10:140
2626799302,20cyclictest12348-21ssh11:35:132
2626799301,25cyclictest17780-21ssh11:20:122
2624499302,24cyclictest12282-21ssh09:10:120
2624499302,22cyclictest29153-21ssh12:21:110
2627999298,15cyclictest0-21swapper/310:25:113
2627999295,13cyclictest28366irq/58-eth009:25:143
26279992920,6cyclictest28366irq/58-eth011:40:123
2625699292,22cyclictest18872-21ssh10:45:141
2625699292,18cyclictest21157-21rm09:15:131
2624499291,21cyclictest21156-21sh09:15:120
2627999282,16cyclictest28366irq/58-eth011:45:133
2627999282,16cyclictest28366irq/58-eth011:45:123
26279992815,7cyclictest28366irq/58-eth009:45:133
2627999281,21cyclictest28366irq/58-eth010:55:143
2626799282,15cyclictest21314-21ssh11:40:132
2626799282,12cyclictest0-21swapper/208:55:132
26267992813,12cyclictest0-21swapper/209:00:202
2625699282,19cyclictest30200-21ssh11:45:111
2625699282,19cyclictest30200-21ssh11:45:101
2624499283,16cyclictest30251-21ssh11:45:130
2624499283,16cyclictest30251-21ssh11:45:130
26244992815,9cyclictest14382-21apt-get08:05:120
2627999274,18cyclictest0-21swapper/310:20:143
2627999273,13cyclictest28366irq/58-eth011:05:133
2627999273,12cyclictest28366irq/58-eth009:30:133
2627999272,16cyclictest28366irq/58-eth011:25:143
2626799272,22cyclictest0-21swapper/208:35:132
2626799272,22cyclictest0-21swapper/208:35:132
2626799272,22cyclictest0-21swapper/208:30:132
2626799272,16cyclictest22346irq/40-dwc2_hso07:45:142
26267992715,9cyclictest0-21swapper/211:10:182
2626799271,21cyclictest31673-21ssh09:38:102
2626799271,18cyclictest24763-21ssh12:00:132
2626799271,16cyclictest23702-21/usr/sbin/munin12:20:292
2625699279,3cyclictest21-21ksoftirqd/110:30:131
2625699272,19cyclictest21707-21ssh10:09:131
2625699271,17cyclictest9204-21ssh12:30:121
26244992714,8cyclictest24765-21apt-get12:00:140
2627999267,5cyclictest0-21swapper/312:00:133
2627999263,18cyclictest0-21swapper/311:55:133
2627999263,17cyclictest0-21swapper/309:39:103
26279992610,10cyclictest0-21swapper/310:45:133
2626799263,18cyclictest0-21swapper/212:35:132
2626799263,12cyclictest0-21swapper/210:15:132
2626799262,20cyclictest0-21swapper/212:13:102
2626799262,20cyclictest0-21swapper/212:13:102
2626799262,20cyclictest0-21swapper/210:30:042
2626799262,19cyclictest5528-21ssh09:24:092
2626799261,12cyclictest17801-21tr10:25:182
2625699261,18cyclictest12293-21ssh09:10:141
2624499267,9cyclictest12-21ksoftirqd/009:43:060
2624499267,9cyclictest12-21ksoftirqd/009:43:050
2624499267,2cyclictest131rcu_preempt11:20:250
26244992616,7cyclictest30133-21apt-get08:55:120
2624499261,17cyclictest22761-21sh10:10:130
2627999251,13cyclictest28366irq/58-eth007:45:133
2626799252,19cyclictest0-21swapper/208:50:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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