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2026-03-03 - 21:52
[ 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 Mar 03, 2026 12:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28371996513,7cyclictest131rcu_preempt07:30:111
2837199628,6cyclictest131rcu_preempt07:45:131
2837199566,45cyclictest30786-21ssh11:25:131
2837199561,42cyclictest23727-21ssh10:45:121
2837199482,36cyclictest2257-21ssh10:15:131
2838399473,25cyclictest22015-21ssh09:50:132
2837199472,35cyclictest9200-21ssh10:55:121
2837199452,35cyclictest9494-21sh09:25:131
2836399451,35cyclictest7267-21ssh11:30:120
2838399441,33cyclictest16279-21ssh11:35:112
2837199441,10cyclictest32459-21ssh12:20:121
2837199423,33cyclictest18299-21ssh11:00:111
2837199423,16cyclictest21754-21ssh11:20:121
2837199422,9cyclictest27309-21ssh11:05:131
2836399425,10cyclictest131rcu_preempt07:25:140
2839199411,37cyclictest0-21swapper/311:05:143
2837199411,30cyclictest14958-21ssh09:10:141
2836399402,32cyclictest11266-21ssh10:20:140
2839199392,25cyclictest28366irq/58-eth011:00:113
2837199392,26cyclictest4070-21ssh09:40:111
2836399384,32cyclictest19869-21ssh11:55:110
2836399382,32cyclictest25571-21ssh10:10:110
2839199371,2cyclictest0-21swapper/310:35:123
2838399372,28cyclictest3117-21ssh09:55:322
2838399372,27cyclictest7245-21apt-get11:30:122
28383993720,9cyclictest16836-21apt-get08:05:122
28371993711,23cyclictest23841-21apt-get09:15:121
28363993711,19cyclictest12-21ksoftirqd/011:15:120
2839199361,32cyclictest0-21swapper/311:30:133
28383993621,10cyclictest18248-21apt-get08:40:132
2837199362,6cyclictest24197-21ssh09:31:311
2837199361,10cyclictest10182-21kthreadcore07:55:221
2837199360,9cyclictest5759-21ssh10:35:131
2837199352,9cyclictest28041-21fschecks_count08:50:161
2837199352,9cyclictest26404-21missed_timers08:45:221
2837199351,7cyclictest11257-21tr08:30:221
2837199351,10cyclictest7978-21sed10:00:181
2837199351,10cyclictest7978-21sed10:00:171
2837199350,11cyclictest11488-21fschecks_time10:20:161
2836399353,29cyclictest23852-21ssh09:15:120
2838399342,10cyclictest9490-21ssh09:25:122
28383993411,16cyclictest27-21ksoftirqd/209:40:132
28383993410,18cyclictest27-21ksoftirqd/211:00:112
2837199342,9cyclictest5043-21kthreadcore07:50:211
2837199341,9cyclictest4467-21sed11:10:191
2837199341,9cyclictest30538-21ssh09:35:221
2837199341,9cyclictest30179-21timerandwakeup08:15:271
2837199341,9cyclictest25646-21cut07:40:171
2837199341,9cyclictest25135-21cat11:40:011
2837199341,9cyclictest19591-21kthreadcore08:40:191
2837199341,8cyclictest4918-21sendmail-msp09:00:021
2837199341,8cyclictest23714-21ntp_192.168.11407:35:231
2837199341,8cyclictest15962-21kthreadcore11:15:211
2837199340,9cyclictest15126-21kthreadcore09:45:201
2837199340,10cyclictest31366-21cut12:00:201
2839199331,23cyclictest0-21swapper/307:45:153
2837199334,5cyclictest17889-21kthreadcore12:10:231
2837199333,27cyclictest0-21swapper/110:40:121
2837199331,9cyclictest23498-21kthreadcore09:50:191
2837199331,9cyclictest19325-21cut12:30:191
2837199331,9cyclictest16890-21sendmail_mailqu08:35:261
2837199331,9cyclictest12712-21ntp_192.168.11412:25:251
2837199331,9cyclictest12712-21ntp_192.168.11412:25:241
2837199331,8cyclictest4029-21tr08:25:171
2837199331,8cyclictest4029-21tr08:25:161
2837199331,8cyclictest30558-21missed_timers12:35:221
2837199331,7cyclictest19432-21kthreadcore08:05:211
2837199331,10cyclictest391-21kthreadcore09:55:231
2837199331,10cyclictest27013-21ntp_192.168.11412:15:241
2836399333,23cyclictest16285-21ssh11:35:120
2836399332,24cyclictest14749-21ssh10:40:130
2839199321,2cyclictest0-21swapper/310:20:123
2839199321,24cyclictest0-21swapper/312:25:123
2839199321,24cyclictest0-21swapper/312:25:113
28383993215,11cyclictest23402-21apt-get12:15:132
2837199322,9cyclictest7538-21hwlatdetect11:30:161
2837199322,6cyclictest31265-21kthreadcore07:10:201
2837199321,9cyclictest26163-21ssh10:10:171
2837199321,9cyclictest21489-21kthreadcore10:25:221
2837199321,8cyclictest5403-21latency_hist10:35:001
2837199321,8cyclictest28611-21cat12:00:021
2837199321,8cyclictest11484-21cut09:05:191
2837199321,7cyclictest10680-21fschecks_time07:25:171
2837199321,6cyclictest8545-21kthreadcore07:20:181
2837199321,6cyclictest19504-21latency_hist11:55:001
28371993211,17cyclictest21-21ksoftirqd/112:05:141
28363993215,10cyclictest0-21swapper/010:25:140
2839199312,24cyclictest0-21swapper/312:35:123
2839199312,23cyclictest0-21swapper/307:55:163
2839199311,2cyclictest0-21swapper/311:35:103
2839199311,26cyclictest0-21swapper/312:15:133
2839199311,23cyclictest0-21swapper/310:50:133
2838399313,18cyclictest22346irq/40-dwc2_hso09:45:112
2838399312,23cyclictest9244-21ssh11:48:332
2838399312,23cyclictest9244-21ssh11:48:322
2837199311,8cyclictest9183-21ssh11:48:281
2837199311,8cyclictest9183-21ssh11:48:271
2837199311,8cyclictest25439-21diskstats11:40:141
2837199311,8cyclictest16889-21idleruntime10:05:171
2837199311,11cyclictest6908-21cut09:00:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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