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2026-01-15 - 13:00
[ 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 Thu Jan 15, 2026 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
368399632,40cyclictest14739-21ssh22:00:110
369999615,41cyclictest960-21ssh23:05:112
368399535,10cyclictest131rcu_preempt20:35:120
368399534,35cyclictest9152-21ssh22:15:130
368399521,9cyclictest131rcu_preempt21:30:130
370499512,37cyclictest28366irq/58-eth021:20:143
369999501,41cyclictest0-21swapper/222:40:112
369099503,40cyclictest16754-21ssh23:50:131
369099493,42cyclictest31744-21ssh21:15:141
368399493,37cyclictest11571-21ssh21:40:130
370499473,34cyclictest28366irq/58-eth019:25:133
3704994718,18cyclictest28366irq/58-eth023:25:123
369999473,39cyclictest0-21swapper/220:30:132
369099474,35cyclictest13428-21ssh23:30:131
370499466,22cyclictest28366irq/58-eth000:15:143
368399464,31cyclictest11214-21ssh00:05:130
369999454,34cyclictest0-21swapper/221:15:142
369999451,14cyclictest32325-21ssh00:35:132
368399454,37cyclictest14482-21ssh00:25:150
368399443,34cyclictest5509-21ssh00:20:110
370499433,28cyclictest0-21swapper/320:10:123
369099432,4cyclictest131rcu_preempt00:30:121
370499414,25cyclictest28366irq/58-eth000:35:123
370499413,26cyclictest28366irq/58-eth021:15:153
369999411,9cyclictest18759-21grep19:55:262
369999402,21cyclictest26466-21ntpq21:10:242
369099402,4cyclictest0-21swapper/122:15:111
3690994016,20cyclictest7874-21ssh23:45:111
3704993922,10cyclictest28366irq/58-eth022:35:113
369099391,30cyclictest20174-21ssh00:10:121
368399393,28cyclictest0-21swapper/020:45:110
369999388,27cyclictest24211-21irqrtprio22:05:172
369999382,19cyclictest10405-21ssh23:26:482
369999381,9cyclictest30631-21ntp_kernel_pll_22:25:242
369999381,9cyclictest23431-21kthreadcore20:35:202
369999381,9cyclictest10553-21irqrtprio23:10:172
369099384,4cyclictest0-21swapper/100:35:131
369099381,5cyclictest0-21swapper/120:30:131
369099381,11cyclictest26946-21apt-get22:25:111
370499374,22cyclictest28366irq/58-eth022:45:133
370499374,22cyclictest28366irq/58-eth022:45:133
369999371,9cyclictest7712-21tail19:10:302
369999371,9cyclictest31145-21kthreadcore22:45:192
369999371,9cyclictest31145-21kthreadcore22:45:192
369999371,9cyclictest13781-21kthreadcore21:00:182
369999371,7cyclictest26454-21kthreadcore23:55:202
3699993712,16cyclictest3672-21cyclictest22:30:122
369999365,11cyclictest19161-21cat22:55:232
369999361,9cyclictest27611-21kthreadcore23:00:222
369999361,9cyclictest14538-21sort00:25:142
369999361,8cyclictest6681-21latency20:50:222
369999361,8cyclictest4027-21kthreadcore21:35:182
369999361,8cyclictest318-21latency_hist19:40:012
369999361,8cyclictest23145-21latency_hist19:30:012
369999361,8cyclictest14799-21latency_hist19:55:012
369999360,9cyclictest16371-21latency_hist23:50:022
369099361,10cyclictest805-21irqcore19:40:181
369099361,10cyclictest10244-21proc_pri20:20:251
368399363,19cyclictest24532-21ssh23:00:120
369999355,3cyclictest4148-21cat23:25:022
369999355,3cyclictest4148-21cat23:25:012
369999352,17cyclictest9211-21sh00:03:092
369999352,17cyclictest9211-21sh00:03:092
369999351,9cyclictest5769-21usage_Anybus20:15:282
369999351,8cyclictest24549-21latency_hist20:05:012
369999351,8cyclictest22619-21fschecks_count23:35:152
369999351,8cyclictest17282-21df_inode21:25:132
369999351,7cyclictest12013-21ntp_kernel_pll_21:20:272
369999351,7cyclictest11781-21fschecks_time21:40:152
369999351,7cyclictest11354-21fschecks_count00:05:152
369999351,14cyclictest20414-21ssh21:45:142
369999351,12cyclictest15619-21kthreadcore22:00:182
369999351,10cyclictest29151-21awk00:15:142
369099358,24cyclictest1023-21kthreadcore22:10:181
369099352,12cyclictest6712-21df22:50:151
369099351,8cyclictest13558-21ntp_states19:50:231
369099351,10cyclictest6038-21sed00:20:181
369099351,10cyclictest3138-21idleruntime-cro20:50:021
369099351,10cyclictest22107-21kthreadcore23:15:231
369999341,8cyclictest9200-21kthreadcore22:50:222
369999341,8cyclictest29543-21kthreadcore21:30:222
369999341,8cyclictest17167-21ntp_states23:30:252
369999341,8cyclictest15343-21wc20:25:282
369999341,7cyclictest18215-21grep19:25:022
369099349,3cyclictest23058-21ssh00:30:011
369099341,9cyclictest5579-21if_eth119:45:171
369099341,9cyclictest4253-21kthreadcore00:00:191
369099341,9cyclictest4253-21kthreadcore00:00:191
369099341,9cyclictest25907-21munin-run20:40:011
369099341,9cyclictest23992-21kthreadcore19:30:181
369099341,9cyclictest18019-21cut21:25:171
369099341,9cyclictest12182-21latency_hist22:35:011
369099341,8cyclictest28365-21mailstats23:00:271
369099341,8cyclictest17307-21tr22:55:191
369099341,7cyclictest29479-21grep21:50:151
369099341,11cyclictest8451-21rm21:20:161
369099341,11cyclictest27551-21mailstats22:05:261
369099341,10cyclictest5498-21tr19:10:201
369099341,10cyclictest18853-21irqcore19:25:161
369099341,10cyclictest16556-21tr19:20:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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