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2026-01-30 - 14:28
[ 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 Jan 30, 2026 12:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5875997755,11cyclictest28366irq/58-eth012:25:123
585199577,5cyclictest131rcu_preempt11:05:110
5859995535,14cyclictest16488-21ssh11:30:131
586799532,11cyclictest0-21swapper/210:05:132
5875995233,15cyclictest0-21swapper/311:50:123
585199502,37cyclictest5472-21ssh12:00:150
585199498,5cyclictest131rcu_preempt10:55:130
5851994917,25cyclictest12-21ksoftirqd/008:30:130
585999481,10cyclictest10967-21ssh11:45:131
586799471,27cyclictest27770-21ssh09:30:142
585199462,40cyclictest11550-21ssh10:15:130
586799452,33cyclictest13048-21ssh11:10:112
587599445,27cyclictest0-21swapper/312:15:123
585199441,38cyclictest4313-21ssh09:35:120
585199436,30cyclictest23893-21diskmemload09:15:130
585199436,30cyclictest23893-21diskmemload09:15:120
587599424,22cyclictest28366irq/58-eth009:25:133
5875994235,5cyclictest0-21swapper/311:45:143
586799421,32cyclictest0-21swapper/209:10:112
585999422,32cyclictest7411-21ssh11:25:131
585199413,28cyclictest29505-21ssh10:25:120
586799402,32cyclictest15083-21sh10:35:132
586799401,8cyclictest9795-21apt-get09:20:122
586799401,8cyclictest9795-21apt-get09:20:122
5851994024,12cyclictest5843-21cyclictest10:00:120
5875993928,6cyclictest28366irq/58-eth011:25:143
5875993920,14cyclictest28366irq/58-eth012:20:113
586799392,18cyclictest22385-21ssh09:45:052
586799392,18cyclictest22385-21ssh09:45:052
586799391,14cyclictest9110-21kthreadcore10:30:222
586799391,14cyclictest12873-21kthreadcore10:50:222
586799381,8cyclictest6223-21fschecks_count07:10:152
586799381,14cyclictest16138-21kthreadcore12:05:212
586799381,13cyclictest20449-21/usr/sbin/munin10:20:272
587599371,24cyclictest28366irq/58-eth009:40:123
586799371,8cyclictest19328-21acpi09:05:122
586799371,15cyclictest26178-21kthreadcore07:30:212
586799371,14cyclictest14063-21irqrtprio09:40:182
585999371,2cyclictest131rcu_preempt09:35:131
586799368,4cyclictest6099-21kthreadcore11:05:202
586799361,6cyclictest21623-21cat08:00:022
585999361,9cyclictest30999-21kthreadcore09:30:231
585999361,9cyclictest21826-21kthreadcore11:50:211
585999361,9cyclictest12162-21irqrtprio10:15:201
585999361,7cyclictest2788-21grep08:10:271
586799352,10cyclictest1-21systemd09:54:482
586799351,9cyclictest12345-21kthreadcore12:20:202
586799351,6cyclictest6296-21tr12:35:212
586799350,13cyclictest8393-21kthreadcore07:45:192
586799350,13cyclictest8393-21kthreadcore07:45:182
585999353,2cyclictest131rcu_preempt09:00:121
585999351,9cyclictest16862-21sort09:40:221
585999351,12cyclictest12832-21tr07:50:181
585999351,11cyclictest818-21fschecks_time10:45:181
585999351,11cyclictest23469-21ssh12:10:151
585999351,10cyclictest27710-21tr08:05:201
585999351,10cyclictest22373-21sed08:00:191
585999351,10cyclictest18523-21tr07:20:201
585999350,8cyclictest15056-21ssh10:35:121
585999350,10cyclictest9023-21cut08:20:161
587599343,14cyclictest28366irq/58-eth010:15:153
587599342,19cyclictest28366irq/58-eth011:30:143
587599342,12cyclictest0-21swapper/311:15:113
586799348,4cyclictest5776-21ssh12:00:192
586799345,10cyclictest4843-21cut09:35:162
586799341,7cyclictest11460-21cut09:55:232
586799341,14cyclictest4486-21cut10:45:302
585999343,24cyclictest12946-21kworker/u8:009:45:111
585999343,24cyclictest12946-21kworker/u8:009:45:101
585999341,9cyclictest736-21irqrtprio08:45:171
585999341,9cyclictest20861-21cut12:25:221
585999341,9cyclictest14396-21uname07:15:271
585999341,8cyclictest27862-21df08:40:141
585999341,8cyclictest27862-21df08:40:141
585999341,8cyclictest0-21swapper/107:35:151
585999341,7cyclictest23128-21tr10:20:191
585999341,10cyclictest2944-21grep09:50:261
585999341,10cyclictest20075-21kthreadcore09:05:191
585999341,10cyclictest16087-21kthreadcore08:25:211
585999340,9cyclictest9377-21ssh12:20:171
585999340,6cyclictest9806-21ssh09:20:121
585999340,6cyclictest9806-21ssh09:20:111
5851993413,13cyclictest32639-21kworker/u8:111:20:110
585199340,22cyclictest28873-21ssh11:55:120
587599333,18cyclictest28366irq/58-eth012:00:143
586799335,7cyclictest0-21swapper/209:25:162
586799335,18cyclictest27-21ksoftirqd/212:30:142
586799331,8cyclictest23932-21ntp_states07:25:272
586799331,6cyclictest32276-21usage_EthcTask11:00:312
586799331,5cyclictest10736-21latency_hist11:45:012
586799331,14cyclictest1003-21kthreadcore11:20:212
586799330,8cyclictest18714-21cut11:30:232
585999335,3cyclictest24974-21kernelversion09:10:161
585999332,7cyclictest13428-21irqcore11:10:171
585999331,9cyclictest6356-21kthreadcore12:00:211
585999331,9cyclictest5934-21ntp_192.168.11407:40:221
585999331,9cyclictest29894-21irqcore10:25:181
585999331,9cyclictest28086-21kthreadcore12:30:201
585999331,9cyclictest18689-21ssh10:55:141
585999331,7cyclictest29061-21ntpq11:35:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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