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2026-02-10 - 15:15
[ 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 Tue Feb 10, 2026 12:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3190999692,57cyclictest22865-21ssh11:00:131
31920996835,29cyclictest261rcuc/209:55:122
31920996835,29cyclictest261rcuc/209:55:122
3192099634,37cyclictest21925-21sh09:30:132
31909995422,24cyclictest0-21swapper/112:15:131
3190999502,38cyclictest16738-21ssh09:45:141
31928994824,4cyclictest28366irq/58-eth012:05:133
3190999482,33cyclictest15284-21ssh10:20:131
31920994731,10cyclictest32400-21ssh12:35:152
3190899473,37cyclictest15443-21apt-get08:00:120
3190999451,36cyclictest2397-21rm09:55:121
3190999451,36cyclictest2397-21rm09:55:121
3190899441,8cyclictest0-21swapper/008:40:120
3192899432,15cyclictest28366irq/58-eth011:20:113
3192099424,29cyclictest19560-21ssh12:10:112
3190899422,35cyclictest20254-21apt-get08:05:120
3190899422,34cyclictest17498-21ssh11:15:120
3190899421,3cyclictest0-21swapper/009:00:140
3190899411,4cyclictest0-21swapper/009:20:150
3190899411,3cyclictest0-21swapper/011:30:130
3190899411,34cyclictest0-21swapper/010:05:110
3190899401,4cyclictest25020-21apt-get08:10:140
3190899400,3cyclictest29535-21ssh10:10:130
3192099391,31cyclictest21270-21ssh11:35:122
3192099391,28cyclictest24399-21ssh10:25:132
3190899392,3cyclictest32284-21apt-get12:35:120
3190899392,33cyclictest0-21swapper/011:45:130
3190899392,2cyclictest3626-21apt-get08:55:130
3190899391,2cyclictest0-21swapper/012:08:210
3190899390,3cyclictest4510-21apt-get07:15:120
3190899390,3cyclictest13239-21apt-get09:05:130
3190999383,23cyclictest10011-21ssh10:35:141
3190999380,27cyclictest7685-21ssh09:40:121
3190899381,4cyclictest0-21swapper/011:00:120
3190899381,2cyclictest19562-21apt-get12:10:140
3190899381,2cyclictest0-21swapper/010:50:120
3190899381,2cyclictest0-21swapper/008:30:150
3190899381,2cyclictest0-21swapper/008:30:150
3190899381,1cyclictest0-21swapper/010:45:120
31909993712,8cyclictest20093-21cron10:05:011
3190899371,2cyclictest0-21swapper/012:15:110
3190899371,2cyclictest0-21swapper/010:35:120
3190899371,2cyclictest0-21swapper/010:00:130
3190899371,2cyclictest0-21swapper/009:40:140
3190899370,2cyclictest30350-21ssh11:40:150
3192099361,18cyclictest3210-21sh11:25:132
3190999362,10cyclictest22339-21grep09:10:321
3190999362,10cyclictest22339-21grep09:10:311
3190999361,26cyclictest19080-21ssh10:40:151
31909993610,4cyclictest21724-21usage_Anybus11:15:291
3190899361,30cyclictest0-21swapper/011:10:140
3190899361,21cyclictest12568-21ssh10:17:210
3192099355,18cyclictest0-21swapper/209:45:132
3192099352,21cyclictest30352-21sshd11:40:152
3192099352,13cyclictest12248-21ssh11:30:132
3190999351,11cyclictest15221-21awk08:00:011
3190899351,9cyclictest25625-21ntp_states09:30:260
3190899351,8cyclictest27713-21apt-key10:45:020
3190899351,4cyclictest0-21swapper/007:10:120
3190899351,4cyclictest0-21swapper/007:10:120
3190899351,3cyclictest0-21swapper/008:50:130
3190899351,31cyclictest26595-21apt-get11:20:120
3190899351,30cyclictest14704-21grep07:25:170
3190899351,2cyclictest0-21swapper/009:15:150
3190899351,29cyclictest4318-21memory07:45:230
3190899351,10cyclictest23223-21apt-get12:30:130
3192899343,16cyclictest28366irq/58-eth010:20:133
3190999341,8cyclictest25025-21cut10:25:181
3190999341,12cyclictest6721-21kthreadcore09:20:241
3190999341,12cyclictest10535-21ssh12:05:141
3190899341,3cyclictest0-21swapper/011:50:140
3190899341,3cyclictest0-21swapper/008:35:130
3190899341,3cyclictest0-21swapper/008:25:130
3190899341,3cyclictest0-21swapper/008:15:130
3190899341,3cyclictest0-21swapper/008:15:130
3190899341,25cyclictest0-21swapper/009:50:130
3190899341,25cyclictest0-21swapper/009:50:120
3190899340,8cyclictest26534-21fschecks_count08:45:150
3190899340,4cyclictest5372-21kworker/u8:210:30:120
3190999339,3cyclictest0-21swapper/111:00:011
3190999338,5cyclictest6647-21cat11:45:011
3190999331,11cyclictest1280-21sed08:15:281
3190999331,11cyclictest1280-21sed08:15:281
3190999331,10cyclictest7008-21ssh11:45:131
3190899331,9cyclictest6713-21ssh12:00:550
3190899331,3cyclictest0-21swapper/011:25:120
3190899331,3cyclictest0-21swapper/010:55:130
3190899331,3cyclictest0-21swapper/007:20:130
3190899331,2cyclictest0-21swapper/011:55:120
3190899331,2cyclictest0-21swapper/009:35:120
3190899331,28cyclictest21640-21grep11:35:160
3190899331,27cyclictest2442-21fschecks_time08:20:160
31928993225,4cyclictest28366irq/58-eth012:00:113
31928993223,4cyclictest28366irq/58-eth009:45:133
3192099323,19cyclictest22346irq/40-dwc2_hso09:25:122
3192099322,19cyclictest131rcu_preempt09:50:142
3192099322,19cyclictest131rcu_preempt09:50:142
3190999324,23cyclictest27250-21ssh09:15:151
3190999322,9cyclictest28976-21kthreadcore08:45:201
3190999322,8cyclictest8668-21ssh12:20:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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