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2026-03-05 - 12:46
[ 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 #a, slot #5

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.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackaslot5s.osadl.org (updated Thu Mar 05, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10050800,0irq/346-484840013868-1kworker/0:2H23:57:450
10050790,0irq/346-484840010794-1kworker/0:0H00:26:230
10050770,0irq/346-484840054-21kswapd000:08:330
10050750,0irq/346-484840054-21kswapd021:14:220
10050740,0irq/346-48484009849-1kworker/0:0H21:25:280
10050740,0irq/346-484840054-21kswapd022:33:460
10050730,0irq/346-48484005068-1kworker/0:1H23:25:220
10050730,0irq/346-484840020809-1kworker/0:1H23:05:160
10050720,0irq/346-484840030632-1kworker/0:2H23:16:060
81710,0rcu_preempt15087-21ntpq21:44:350
10050710,0irq/346-48484005068-1kworker/0:1H23:23:000
10050710,0irq/346-484840023638-1kworker/0:2H00:09:350
10050710,0irq/346-484840023638-1kworker/0:2H00:09:350
10050710,0irq/346-484840021901-1kworker/0:1H23:33:460
10050710,0irq/346-484840014457-1kworker/0:2H21:13:360
478699701,0cyclictest29945-21dropbear23:39:230
81690,0rcu_preempt3-21ksoftirqd/021:04:270
81690,0rcu_preempt18516-21apt-get00:34:200
10050690,0irq/346-48484009081-1kworker/0:2H22:25:270
81680,0rcu_preempt3-21ksoftirqd/023:50:020
4786996713,0cyclictest19418-1kworker/0:1H21:19:390
81660,0rcu_preempt19473-21diskstats21:49:240
478699657,0cyclictest16767-1kworker/0:3H22:00:270
478699653,0cyclictest5926-1kworker/0:1H00:21:040
478699652,0cyclictest0-21swapper/000:29:190
10050640,0irq/346-484840031675-1kworker/0:0H23:44:320
478699639,0cyclictest21901-1kworker/0:1H23:34:280
478699632,0cyclictest16326-21runrttasks22:51:590
4786996313,0cyclictest11790-1kworker/0:2H21:43:550
478699631,0cyclictest0-21swapper/023:10:180
81620,0rcu_preempt3-21ksoftirqd/020:59:290
4786996214,0cyclictest3172-21ssh22:05:030
81610,0rcu_preempt3-21ksoftirqd/020:39:300
81610,0rcu_preempt3-21ksoftirqd/020:09:330
478699616,0cyclictest981-1kworker/0:2H00:19:090
478699612,0cyclictest0-21swapper/023:59:220
478699612,0cyclictest0-21swapper/022:40:550
478699611,0cyclictest18204-21apt-get22:54:200
9950600,0irq/345-48484000-21swapper/100:19:291
81600,0rcu_preempt3-21ksoftirqd/020:24:260
81600,0rcu_preempt13469-21latency_hist00:29:101
478699602,0cyclictest5356-21apt-get20:49:190
478699602,0cyclictest19870-21dropbear19:54:230
4786996016,0cyclictest27294-21munin-node0
478699601,0cyclictest16017-21ssh22:18:570
478699596,0cyclictest0-21swapper/022:13:580
478699592,0cyclictest0-21swapper/019:19:160
4786995916,0cyclictest16443-21munin-node0
4786995915,0cyclictest0-21swapper/020:05:080
4786995915,0cyclictest0-21swapper/020:05:080
478699591,0cyclictest4648-21diskstats21:34:270
478699591,0cyclictest31764-21seq20:29:300
478699591,0cyclictest11773-21diskmemload21:29:270
478699591,0cyclictest1101-21munin-node0
478699591,0cyclictest1101-21munin-node0
478699582,0cyclictest3135-21ssh22:38:370
478699582,0cyclictest0-21swapper/022:59:210
478699582,0cyclictest0-21swapper/022:45:390
4786995812,0cyclictest27964-21ssh21:58:010
478699572,0cyclictest13134-21taskset19:34:190
478699572,0cyclictest0-21swapper/019:49:180
81560,0rcu_preempt3-21ksoftirqd/020:19:390
81560,0rcu_preempt19-21ksoftirqd/119:59:421
81560,0rcu_preempt19-21ksoftirqd/119:44:161
81560,0rcu_preempt19-21ksoftirqd/119:24:281
478699561,0cyclictest8066-21ping19:29:210
478699561,0cyclictest22880-21latency_hist20:04:090
81550,0rcu_preempt3-21ksoftirqd/020:54:210
478699552,0cyclictest8066-21ping19:44:220
478699552,0cyclictest8066-21ping19:24:210
81540,0rcu_preempt19-21ksoftirqd/122:04:311
478699533,0cyclictest6413-21munin-run19:14:090
478699532,0cyclictest0-21swapper/019:14:230
81520,0rcu_preempt19-21ksoftirqd/122:54:211
478699521,0cyclictest8066-21ping19:39:210
81510,0rcu_preempt3279-21apt-get19:04:190
478699511,0cyclictest3711-21apt-get20:44:200
10050510,0irq/346-48484009082-1kworker/1:3H22:12:141
81500,0rcu_preempt19-21ksoftirqd/121:19:201
81500,0rcu_preempt11773-21diskmemload23:08:401
81470,0rcu_preempt19-21ksoftirqd/123:54:211
81470,0rcu_preempt19-21ksoftirqd/123:24:181
81470,0rcu_preempt19-21ksoftirqd/121:24:191
81470,0rcu_preempt19-21ksoftirqd/120:19:371
81470,0rcu_preempt19-21ksoftirqd/119:19:351
81470,0rcu_preempt11773-21diskmemload22:29:331
81470,0rcu_preempt11773-21diskmemload00:16:371
10050470,0irq/346-48484008066-21ping19:34:131
10050470,0irq/346-484840021004-21ping20:24:531
10050470,0irq/346-484840016704-21ssh21:46:111
81460,0rcu_preempt19-21ksoftirqd/123:09:371
81460,0rcu_preempt19-21ksoftirqd/122:14:201
81460,0rcu_preempt11773-21diskmemload00:07:231
81450,0rcu_preempt24750-21ssh21:54:291
81450,0rcu_preempt19-21ksoftirqd/120:09:341
81450,0rcu_preempt11773-21diskmemload00:02:461
81440,0rcu_preempt19-21ksoftirqd/123:46:021
81440,0rcu_preempt19-21ksoftirqd/123:43:151
81440,0rcu_preempt19-21ksoftirqd/122:59:211
81440,0rcu_preempt19-21ksoftirqd/121:39:371
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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