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2026-01-21 - 07:50
[ 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 highest latencies:
System rackaslot5s.osadl.org (updated Wed Jan 21, 2026 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811430,0rcu_preempt54-21kswapd019:40:000
811360,0rcu_preempt19-21ksoftirqd/122:55:121
811340,0rcu_preempt19-21ksoftirqd/123:56:101
811310,0rcu_preempt19-21ksoftirqd/122:21:381
811190,0rcu_preempt19-21ksoftirqd/122:32:011
811160,0rcu_preempt19-21ksoftirqd/123:44:131
811160,0rcu_preempt19-21ksoftirqd/119:50:121
811140,0rcu_preempt0-21swapper/123:36:201
811080,0rcu_preempt54-21kswapd000:00:461
811080,0rcu_preempt19-21ksoftirqd/100:09:131
811070,0rcu_preempt19-21ksoftirqd/122:27:001
811070,0rcu_preempt19-21ksoftirqd/121:17:531
811060,0rcu_preempt19-21ksoftirqd/120:15:081
811050,0rcu_preempt19-21ksoftirqd/119:26:591
811040,0rcu_preempt19-21ksoftirqd/122:04:501
811040,0rcu_preempt19-21ksoftirqd/100:15:121
811040,0rcu_preempt19-21ksoftirqd/100:14:221
811020,0rcu_preempt54-21kswapd021:25:331
811010,0rcu_preempt19-21ksoftirqd/121:47:141
811000,0rcu_preempt19-21ksoftirqd/122:39:161
811000,0rcu_preempt19-21ksoftirqd/121:36:491
811000,0rcu_preempt0-21swapper/123:01:251
811000,0rcu_preempt0-21swapper/122:05:411
81990,0rcu_preempt19-21ksoftirqd/123:17:031
81990,0rcu_preempt19-21ksoftirqd/122:50:221
81990,0rcu_preempt19-21ksoftirqd/120:09:531
81980,0rcu_preempt19-21ksoftirqd/119:40:161
81960,0rcu_preempt19-21ksoftirqd/123:30:131
81960,0rcu_preempt0-21swapper/123:09:321
81950,0rcu_preempt19-21ksoftirqd/123:19:511
81950,0rcu_preempt19-21ksoftirqd/123:14:391
81950,0rcu_preempt0-21swapper/123:45:481
81940,0rcu_preempt19-21ksoftirqd/100:31:011
81940,0rcu_preempt10448-21ssh22:19:491
81930,0rcu_preempt19-21ksoftirqd/121:44:401
81930,0rcu_preempt19-21ksoftirqd/121:11:081
81930,0rcu_preempt19-21ksoftirqd/121:08:451
81930,0rcu_preempt19-21ksoftirqd/120:00:161
81920,0rcu_preempt19-21ksoftirqd/123:28:461
81920,0rcu_preempt19-21ksoftirqd/121:52:361
81920,0rcu_preempt19-21ksoftirqd/100:23:581
81920,0rcu_preempt0-21swapper/121:56:331
81910,0rcu_preempt19-21ksoftirqd/123:51:251
81910,0rcu_preempt19-21ksoftirqd/120:55:051
81880,0rcu_preempt19-21ksoftirqd/122:10:271
81880,0rcu_preempt19-21ksoftirqd/120:50:381
81880,0rcu_preempt19-21ksoftirqd/119:20:011
81880,0rcu_preempt19-21ksoftirqd/100:27:501
81870,0rcu_preempt0-21swapper/122:46:561
81860,0rcu_preempt0-21swapper/122:40:241
81850,0rcu_preempt19-21ksoftirqd/100:37:061
81840,0rcu_preempt3-21ksoftirqd/021:55:100
81840,0rcu_preempt19-21ksoftirqd/120:45:111
81820,0rcu_preempt3-21ksoftirqd/022:50:150
81810,0rcu_preempt3-21ksoftirqd/023:36:060
81810,0rcu_preempt19-21ksoftirqd/121:20:551
81800,0rcu_preempt19-21ksoftirqd/119:59:391
81790,0rcu_preempt16153-21ping20:21:001
81780,0rcu_preempt19-21ksoftirqd/119:35:241
81770,0rcu_preempt19-21ksoftirqd/119:29:521
81750,0rcu_preempt29489-21ssh21:32:211
81750,0rcu_preempt19-21ksoftirqd/120:59:501
81740,0rcu_preempt19-21ksoftirqd/120:39:501
81740,0rcu_preempt19-21ksoftirqd/119:45:201
81740,0rcu_preempt16153-21ping20:25:121
81730,0rcu_preempt19-21ksoftirqd/120:40:011
81730,0rcu_preempt19-21ksoftirqd/119:15:091
81710,0rcu_preempt19-21ksoftirqd/120:06:271
81680,0rcu_preempt19-21ksoftirqd/120:30:101
81680,0rcu_preempt19-21ksoftirqd/119:10:091
3228399672,0cyclictest10779-21munin-node0
3228399657,0cyclictest11706-21seq21:47:190
3228399643,0cyclictest0-21swapper/021:40:050
3228399621,0cyclictest8242-1kworker/0:0H22:19:550
81610,0rcu_preempt19-21ksoftirqd/119:09:491
3228399613,0cyclictest0-21swapper/021:52:030
3228399613,0cyclictest0-21swapper/000:33:440
32283996115,0cyclictest0-21swapper/021:20:000
3228399603,0cyclictest0-21swapper/023:41:530
3228399601,0cyclictest6235-21runrttasks19:27:250
3228399593,0cyclictest0-21swapper/000:27:000
3228399591,0cyclictest0-21swapper/023:58:390
3228399588,0cyclictest0-21swapper/022:45:010
3228399585,0cyclictest3172-21ping19:45:010
3228399584,0cyclictest3172-21ping19:31:340
3228399583,0cyclictest0-21swapper/022:15:230
3228399583,0cyclictest0-21swapper/021:14:020
3228399582,0cyclictest0-21swapper/021:16:210
3228399582,0cyclictest0-21swapper/000:16:070
3228399581,0cyclictest16153-21ping20:00:180
3228399572,0cyclictest0-21swapper/023:07:570
3228399572,0cyclictest0-21swapper/019:17:530
3228399571,0cyclictest3335-21apt-get19:19:580
3228399568,0cyclictest3-21ksoftirqd/000:38:440
3228399563,0cyclictest0-21swapper/021:28:030
3228399563,0cyclictest0-21swapper/020:27:370
81550,0rcu_preempt3-21ksoftirqd/023:00:140
32283995411,0cyclictest0-21swapper/021:32:470
3228399541,0cyclictest1350-21lldpd23:21:430
3228399532,0cyclictest0-21swapper/022:09:520
3228399531,0cyclictest0-21swapper/022:59:300
3228399522,0cyclictest0-21swapper/022:05:380
10050520,0irq/346-48484000-21swapper/019:05:090
3228399513,0cyclictest0-21swapper/021:35:360
10050510,0irq/346-484840054-21kswapd020:19:570
32283995015,0cyclictest0-21swapper/023:49:410
10050480,0irq/346-484840054-21kswapd020:16:330
81470,0rcu_preempt3-21ksoftirqd/020:39:510
13250470,0irq/301-48020000-21swapper/000:10:050
10050470,0irq/346-48484000-21swapper/000:06:290
10050460,0irq/346-484840054-21kswapd023:16:010
10050460,0irq/346-484840054-21kswapd020:46:380
10050460,0irq/346-484840054-21kswapd000:19:510
10050460,0irq/346-48484003673-21sh20:59:490
10050460,0irq/346-484840023600-21munin-node0
81450,0rcu_preempt3-21ksoftirqd/023:31:450
10050450,0irq/346-48484003-21ksoftirqd/019:39:500
10050440,0irq/346-48484000-21swapper/022:33:320
10050430,0irq/346-484840054-21kswapd022:43:140
10050420,0irq/346-48484003-21ksoftirqd/020:11:320
3228399411,0cyclictest16153-21ping20:05:090
10050410,0irq/346-48484000-21swapper/023:26:250
10050410,0irq/346-48484000-21swapper/023:14:340
9950390,0irq/345-48484000-21swapper/022:37:220
81390,0rcu_preempt3-21ksoftirqd/023:50:020
81380,0rcu_preempt3-21ksoftirqd/020:50:010
10050380,0irq/346-48484000-21swapper/020:39:560
9950370,0irq/345-484840015656-21ls19:55:150
9950370,0irq/345-48484000-21swapper/021:05:070
81360,0rcu_preempt3-21ksoftirqd/022:27:430
81360,0rcu_preempt3-21ksoftirqd/021:00:070
3228399366,0cyclictest0-21swapper/019:13:540
9950350,0irq/345-48484000-21swapper/019:50:060
3228399291,0cyclictest266122sleep020:30:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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