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2026-02-26 - 05:35
[ 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 Feb 26, 2026 00:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
410999744,29cyclictest12-21ksoftirqd/019:15:110
411899523,45cyclictest0-21swapper/119:25:121
4126994916,24cyclictest27-21ksoftirqd/223:00:122
411899482,42cyclictest0-21swapper/121:20:111
411899476,36cyclictest11627-21ssh21:40:121
411899472,40cyclictest1155-21ssh00:00:131
411899471,15cyclictest23616-21apt-get22:05:121
411899464,38cyclictest29403-21ssh21:50:111
411899462,2cyclictest827-21apt-get19:40:121
411899462,2cyclictest827-21apt-get19:40:121
4126994512,25cyclictest27-21ksoftirqd/222:40:122
411899451,2cyclictest0-21swapper/123:45:141
413499444,25cyclictest28366irq/58-eth022:40:133
411899442,37cyclictest18296-21ssh23:15:121
411899442,37cyclictest0-21swapper/100:20:111
411899442,37cyclictest0-21swapper/100:05:141
411899441,38cyclictest0-21swapper/123:20:111
411899441,36cyclictest8946-21apt-get22:15:141
412699438,26cyclictest24674-21ssh23:55:142
412699438,26cyclictest24674-21ssh23:55:132
411899434,36cyclictest0-21swapper/122:25:131
411899432,34cyclictest9079-21apt-get19:15:121
411899430,2cyclictest0-21swapper/123:50:101
410999432,28cyclictest20873-21ssh22:40:120
411899422,37cyclictest16687-21apt-get20:30:121
411899413,34cyclictest0-21swapper/120:25:111
411899412,3cyclictest24666-21apt-get23:55:151
411899412,3cyclictest24666-21apt-get23:55:141
411899411,36cyclictest0-21swapper/121:10:131
411899411,34cyclictest0-21swapper/121:05:111
411899411,2cyclictest0-21swapper/122:45:141
411899411,2cyclictest0-21swapper/122:45:131
411899411,27cyclictest23693-21cpuspeed19:30:121
411899402,32cyclictest0-21swapper/123:40:121
411899401,5cyclictest0-21swapper/120:20:121
411899401,4cyclictest0-21swapper/120:50:111
411899400,4cyclictest31129-21apt-get20:45:141
411899392,2cyclictest21472-21apt-get20:35:141
411899390,27cyclictest31523-21kthreadcore19:35:221
411899381,2cyclictest8312-21apt-get20:55:131
411899381,24cyclictest0-21swapper/122:23:521
411899381,24cyclictest0-21swapper/122:23:511
410999382,26cyclictest30995-21ssh00:35:120
411899371,3cyclictest24971-21apt-get20:05:131
411899371,33cyclictest0-21swapper/122:55:121
411899371,22cyclictest11395-21ssh22:34:471
413499362,20cyclictest28366irq/58-eth021:15:123
410999361,29cyclictest15732-21ssh23:50:130
410999361,22cyclictest18907-21rm00:10:110
412699352,17cyclictest22143-21sh23:52:232
412699351,22cyclictest8972-21ssh22:15:132
411899351,30cyclictest0-21swapper/123:10:111
411899351,2cyclictest0-21swapper/123:35:111
411899350,2cyclictest3695-21ssh23:25:151
410999354,19cyclictest12-21ksoftirqd/021:00:130
411899341,6cyclictest15538-21/usr/sbin/munin19:55:161
411899341,28cyclictest31563-21ntpq00:15:271
411899341,28cyclictest0-21swapper/122:10:111
411899340,8cyclictest10613-21diskstats19:50:141
410999347,3cyclictest131rcu_preempt19:35:120
4109993416,13cyclictest12-21ksoftirqd/022:20:130
4109993416,13cyclictest12-21ksoftirqd/022:20:120
411899337,23cyclictest12647-21sh23:30:151
411899331,2cyclictest23898-21apt-get23:00:131
411899331,28cyclictest26188-21ssh21:30:111
411899331,27cyclictest18897-21apt-get00:10:101
411899331,17cyclictest0-21swapper/122:35:111
410999332,22cyclictest12-21ksoftirqd/021:15:120
411899321,9cyclictest919-21sendmail_mailqu20:10:261
411899321,3cyclictest3194-21ntp_states21:15:261
411899321,27cyclictest31698-21irqrtprio00:35:171
411899321,27cyclictest28434-21kthreadcore20:40:191
411899321,27cyclictest21487-21tr21:45:171
411899321,27cyclictest13996-21df19:20:131
411899321,27cyclictest13278-21grep00:25:141
411899321,26cyclictest23367-21latency_hist22:05:011
4126993110,12cyclictest27-21ksoftirqd/222:34:152
411899312,22cyclictest0-21swapper/121:55:151
411899311,8cyclictest5637-21ntp_192.168.11420:15:241
411899311,6cyclictest23479-21missed_timers20:00:221
411899311,3cyclictest0-21swapper/121:00:121
411899311,2cyclictest0-21swapper/100:30:111
411899311,2cyclictest0-21swapper/100:30:101
411899311,26cyclictest7783-21wc19:10:251
411899311,26cyclictest24433-21netstat22:40:211
411899310,2cyclictest0-21swapper/121:25:121
411899310,28cyclictest9093-21grep23:10:011
413499304,16cyclictest0-21swapper/322:20:143
413499304,16cyclictest0-21swapper/322:20:133
413499301,14cyclictest28366irq/58-eth000:05:123
412699302,16cyclictest0-21swapper/220:45:132
411899301,8cyclictest11677-21rm22:51:141
411899301,6cyclictest8970-21sort19:45:211
410999302,20cyclictest0-21swapper/023:55:140
410999302,20cyclictest0-21swapper/023:55:130
413499291,19cyclictest28366irq/58-eth019:35:133
413499291,18cyclictest28366irq/58-eth000:25:133
412699299,12cyclictest27-21ksoftirqd/223:39:082
412699299,12cyclictest27-21ksoftirqd/222:55:062
412699294,14cyclictest22346irq/40-dwc2_hso19:15:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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