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2026-02-05 - 09:50
[ 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 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 Feb 05, 2026 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811450,0rcu_preempt3-21ksoftirqd/022:40:040
811160,0rcu_preempt3-21ksoftirqd/022:50:270
811160,0rcu_preempt19-21ksoftirqd/119:20:051
811080,0rcu_preempt8063-21rm22:54:451
81960,0rcu_preempt19-21ksoftirqd/121:45:031
81920,0rcu_preempt3-21ksoftirqd/023:54:520
81910,0rcu_preempt3-21ksoftirqd/021:04:500
81870,0rcu_preempt19-21ksoftirqd/100:19:431
81840,0rcu_preempt3-21ksoftirqd/023:45:020
81820,0rcu_preempt3-21ksoftirqd/000:20:040
81820,0rcu_preempt19-21ksoftirqd/121:39:351
81810,0rcu_preempt3-21ksoftirqd/020:40:000
81810,0rcu_preempt19-21ksoftirqd/123:38:451
4250810,0irq/29-omap-dma0-21swapper/021:25:040
81800,0rcu_preempt3-21ksoftirqd/022:16:260
81800,0rcu_preempt3-21ksoftirqd/020:05:030
81770,0rcu_preempt3-21ksoftirqd/021:34:570
81760,0rcu_preempt19-21ksoftirqd/100:04:361
81750,0rcu_preempt3-21ksoftirqd/023:33:310
81740,0rcu_preempt19-21ksoftirqd/122:35:041
81730,0rcu_preempt19-21ksoftirqd/120:59:361
81700,0rcu_preempt19-21ksoftirqd/122:24:471
81700,0rcu_preempt19-21ksoftirqd/119:39:381
81690,0rcu_preempt3-21ksoftirqd/020:54:480
81690,0rcu_preempt3-21ksoftirqd/020:15:070
81690,0rcu_preempt19-21ksoftirqd/122:19:471
81670,0rcu_preempt3-21ksoftirqd/023:59:550
81670,0rcu_preempt3-21ksoftirqd/022:09:550
81670,0rcu_preempt24348-21users23:10:050
81670,0rcu_preempt19-21ksoftirqd/123:59:361
81670,0rcu_preempt19-21ksoftirqd/100:25:051
81670,0rcu_preempt13456-21if_can022:59:540
13250670,0irq/301-48020002857-21ssh21:44:500
81660,0rcu_preempt19-21ksoftirqd/120:00:031
81650,0rcu_preempt3-21ksoftirqd/022:29:190
81650,0rcu_preempt19-21ksoftirqd/122:09:571
81640,0rcu_preempt3-21ksoftirqd/021:10:050
81640,0rcu_preempt19-21ksoftirqd/123:24:501
81630,0rcu_preempt3-21ksoftirqd/020:29:540
81630,0rcu_preempt3-21ksoftirqd/000:39:360
81630,0rcu_preempt13909-21kworker/0:223:39:540
81620,0rcu_preempt19-21ksoftirqd/121:19:451
81620,0rcu_preempt19-21ksoftirqd/100:17:151
13250620,0irq/301-480200020686-21ssh22:34:510
81610,0rcu_preempt3-21ksoftirqd/021:50:020
81600,0rcu_preempt19-21ksoftirqd/122:30:031
81590,0rcu_preempt3-21ksoftirqd/019:09:530
81550,0rcu_preempt3-21ksoftirqd/021:59:370
81550,0rcu_preempt19-21ksoftirqd/122:45:011
10050550,0irq/346-48484000-21swapper/023:07:400
81540,0rcu_preempt3-21ksoftirqd/023:50:020
81540,0rcu_preempt18307-1kworker/1:0H23:39:371
10050540,0irq/346-484840054-21kswapd023:39:090
10050540,0irq/346-484840054-21kswapd022:19:450
10050540,0irq/346-484840054-21kswapd000:04:550
81530,0rcu_preempt3-21ksoftirqd/022:04:190
81530,0rcu_preempt10050irq/346-484840019:44:570
10050530,0irq/346-484840054-21kswapd021:16:440
81520,0rcu_preempt3-21ksoftirqd/000:09:450
81510,0rcu_preempt19-21ksoftirqd/100:04:571
81500,0rcu_preempt19-21ksoftirqd/119:44:591
81500,0rcu_preempt19-21ksoftirqd/100:34:351
10050500,0irq/346-48484007640-1kworker/0:2H00:31:530
81490,0rcu_preempt19-21ksoftirqd/121:14:541
81490,0rcu_preempt19-21ksoftirqd/120:10:031
19122490,0chrt10050irq/346-484840019:35:400
10050490,0irq/346-484840054-21kswapd022:44:440
81480,0rcu_preempt3-21ksoftirqd/022:29:590
81480,0rcu_preempt3-21ksoftirqd/020:25:020
81480,0rcu_preempt19-21ksoftirqd/122:39:481
10050480,0irq/346-48484007137-1kworker/0:2H21:20:400
10050480,0irq/346-484840054-21kswapd022:54:470
10050480,0irq/346-484840054-21kswapd019:59:490
10050480,0irq/346-484840030338-21ssh23:16:190
10050480,0irq/346-484840022676-21rm22:04:430
10050480,0irq/346-484840022251-1kworker/0:1H21:39:480
81470,0rcu_preempt3-21ksoftirqd/019:04:540
81470,0rcu_preempt25349-21munin-run20:49:350
81470,0rcu_preempt19-21ksoftirqd/123:07:211
81470,0rcu_preempt13872-21latency_hist20:14:360
10050470,0irq/346-48484002136-21ssh00:25:140
10050460,0irq/346-48484003-21ksoftirqd/019:19:490
10050460,0irq/346-484840030650-1kworker/0:1H23:19:490
10050460,0irq/346-48484000-21swapper/021:31:090
81450,0rcu_preempt19-21ksoftirqd/123:33:351
81450,0rcu_preempt19-21ksoftirqd/122:59:371
10050450,0irq/346-48484003-21ksoftirqd/019:39:410
10050450,0irq/346-484840026682-1kworker/0:1H20:59:390
10050450,0irq/346-484840023224-21ssh00:14:480
81440,0rcu_preempt3-21ksoftirqd/020:34:540
81440,0rcu_preempt3-21ksoftirqd/019:49:540
81440,0rcu_preempt19-21ksoftirqd/119:34:351
24820994421,0cyclictest28111-21ping19:26:060
10050440,0irq/346-48484008423-21rm23:26:570
10050440,0irq/346-484840054-21kswapd020:49:560
9950430,0irq/345-484840015570-21cut20:19:371
81430,0rcu_preempt27035-21if_eth119:14:550
81430,0rcu_preempt19-21ksoftirqd/123:19:361
2482099431,0cyclictest8668-21ping20:19:480
9950410,0irq/345-48484000-21swapper/119:05:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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