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2026-03-04 - 06:48
[ 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 Mar 04, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81770,0rcu_preempt54-21kswapd019:44:221
81740,0rcu_preempt19-21ksoftirqd/123:31:241
81740,0rcu_preempt19-21ksoftirqd/120:00:341
81720,0rcu_preempt29646-1kworker/0:1H00:06:550
81720,0rcu_preempt0-21swapper/122:32:351
81720,0rcu_preempt0-21swapper/122:32:351
81700,0rcu_preempt54-21kswapd021:47:070
81700,0rcu_preempt19-21ksoftirqd/123:35:311
10050690,0irq/346-48484009716-1kworker/0:1H23:49:170
81680,0rcu_preempt54-21kswapd000:18:381
81680,0rcu_preempt3-21ksoftirqd/000:30:030
81680,0rcu_preempt19-21ksoftirqd/122:42:291
10050680,0irq/346-484840029791-1kworker/0:2H23:01:470
10050680,0irq/346-484840023168-1kworker/0:1H22:23:310
10050680,0irq/346-484840023168-1kworker/0:1H22:23:310
81670,0rcu_preempt19-21ksoftirqd/121:21:131
81670,0rcu_preempt19-21ksoftirqd/120:12:271
81660,0rcu_preempt3-21ksoftirqd/022:40:070
81660,0rcu_preempt3-21ksoftirqd/022:24:400
81660,0rcu_preempt19-21ksoftirqd/122:20:361
81660,0rcu_preempt19-21ksoftirqd/122:20:361
81660,0rcu_preempt19-21ksoftirqd/120:14:341
81650,0rcu_preempt54-21kswapd023:46:371
81650,0rcu_preempt54-21kswapd023:46:371
81650,0rcu_preempt54-21kswapd021:56:541
81650,0rcu_preempt19-21ksoftirqd/123:28:241
81650,0rcu_preempt19-21ksoftirqd/100:37:081
81650,0rcu_preempt14196-21sh22:44:471
81650,0rcu_preempt0-21swapper/122:26:251
81640,0rcu_preempt19-21ksoftirqd/123:41:461
81630,0rcu_preempt3-21ksoftirqd/000:10:150
81630,0rcu_preempt19-21ksoftirqd/123:53:571
81630,0rcu_preempt19-21ksoftirqd/123:09:201
81630,0rcu_preempt19-21ksoftirqd/119:43:471
81630,0rcu_preempt19-21ksoftirqd/119:43:471
81630,0rcu_preempt0-21swapper/123:22:401
81630,0rcu_preempt0-21swapper/122:05:091
81620,0rcu_preempt19-21ksoftirqd/122:00:451
81620,0rcu_preempt19-21ksoftirqd/122:00:451
81620,0rcu_preempt18116-1kworker/1:2H21:50:001
81620,0rcu_preempt18116-1kworker/1:2H21:50:001
81620,0rcu_preempt12285-1kworker/0:1H23:18:420
81610,0rcu_preempt3-21ksoftirqd/023:42:270
81610,0rcu_preempt3-21ksoftirqd/023:11:550
81610,0rcu_preempt19-21ksoftirqd/122:14:291
81610,0rcu_preempt19-21ksoftirqd/122:10:231
81610,0rcu_preempt19-21ksoftirqd/100:24:371
81610,0rcu_preempt16555-21ssh23:19:440
81600,0rcu_preempt3-21ksoftirqd/023:58:490
81600,0rcu_preempt3-21ksoftirqd/023:58:490
81600,0rcu_preempt3-21ksoftirqd/022:58:370
81600,0rcu_preempt3-21ksoftirqd/022:10:470
81600,0rcu_preempt19-21ksoftirqd/122:59:481
81600,0rcu_preempt19-21ksoftirqd/121:04:211
81590,0rcu_preempt3-21ksoftirqd/021:57:080
81590,0rcu_preempt19-21ksoftirqd/123:04:131
81590,0rcu_preempt19-21ksoftirqd/100:09:211
81580,0rcu_preempt3-21ksoftirqd/023:47:220
81580,0rcu_preempt3-21ksoftirqd/023:47:220
81580,0rcu_preempt3-21ksoftirqd/021:35:270
81580,0rcu_preempt27502-21ssh00:04:211
81580,0rcu_preempt25211-21ping20:24:281
81580,0rcu_preempt19-21ksoftirqd/122:54:161
81580,0rcu_preempt19-21ksoftirqd/121:27:541
81580,0rcu_preempt19-21ksoftirqd/120:34:211
81580,0rcu_preempt19-21ksoftirqd/100:01:391
81580,0rcu_preempt10084-21kworker/1:021:48:251
81570,0rcu_preempt19-21ksoftirqd/121:40:301
81570,0rcu_preempt19-21ksoftirqd/120:54:211
81570,0rcu_preempt19-21ksoftirqd/120:04:211
81570,0rcu_preempt18066-21df_inode22:49:251
81560,0rcu_preempt22668-21ssh21:15:231
81560,0rcu_preempt21923-21chrt19:49:211
81560,0rcu_preempt19-21ksoftirqd/123:57:231
81560,0rcu_preempt19-21ksoftirqd/123:57:231
81560,0rcu_preempt19-21ksoftirqd/119:09:291
81560,0rcu_preempt19-21ksoftirqd/100:20:461
81550,0rcu_preempt3-21ksoftirqd/023:09:100
81550,0rcu_preempt3-21ksoftirqd/021:26:530
81550,0rcu_preempt3-21ksoftirqd/019:34:230
81550,0rcu_preempt19-21ksoftirqd/121:11:281
81550,0rcu_preempt19-21ksoftirqd/120:59:361
81550,0rcu_preempt19-21ksoftirqd/120:30:321
81540,0rcu_preempt3-21ksoftirqd/021:49:220
81540,0rcu_preempt3-21ksoftirqd/021:49:220
81540,0rcu_preempt19-21ksoftirqd/122:38:001
81540,0rcu_preempt19-21ksoftirqd/121:34:301
81540,0rcu_preempt19-21ksoftirqd/120:49:311
81540,0rcu_preempt19-21ksoftirqd/120:22:541
10050540,0irq/346-48484004854-1kworker/0:2H22:38:110
81530,0rcu_preempt3-21ksoftirqd/022:49:540
81530,0rcu_preempt19-21ksoftirqd/120:39:241
81530,0rcu_preempt19-21ksoftirqd/100:29:291
81530,0rcu_preempt10611-21df_abs19:14:241
10050530,0irq/346-48484000-21swapper/022:29:270
10050530,0irq/346-48484000-21swapper/022:29:270
81520,0rcu_preempt3-21ksoftirqd/022:44:200
10050520,0irq/346-484840021057-21ssh23:24:370
81510,0rcu_preempt3-21ksoftirqd/022:14:300
81510,0rcu_preempt20097-21kworker/0:000:24:390
81510,0rcu_preempt19-21ksoftirqd/119:54:331
10050510,0irq/346-48484000-21swapper/000:17:390
9950500,0irq/345-48484000-21swapper/023:32:320
81500,0rcu_preempt3-21ksoftirqd/020:09:370
81500,0rcu_preempt19-21ksoftirqd/123:18:311
81500,0rcu_preempt19-21ksoftirqd/121:29:301
81500,0rcu_preempt19-21ksoftirqd/119:34:391
81500,0rcu_preempt19-21ksoftirqd/119:25:041
10050490,0irq/346-4848400851-21rngd21:41:280
81480,0rcu_preempt3-21ksoftirqd/019:24:430
81480,0rcu_preempt3-21ksoftirqd/000:20:430
10050480,0irq/346-484840031949-21ssh23:35:270
864699472,0cyclictest0-21swapper/021:09:280
81470,0rcu_preempt3-21ksoftirqd/022:04:090
81470,0rcu_preempt3-21ksoftirqd/022:04:090
81470,0rcu_preempt3-21ksoftirqd/020:14:390
81470,0rcu_preempt3-21ksoftirqd/020:04:350
81460,0rcu_preempt19-21ksoftirqd/119:23:351
81450,0rcu_preempt3-21ksoftirqd/021:14:280
81450,0rcu_preempt3-21ksoftirqd/020:48:420
81450,0rcu_preempt3-21ksoftirqd/020:39:270
81450,0rcu_preempt3-21ksoftirqd/020:19:120
81450,0rcu_preempt3-21ksoftirqd/019:59:310
81450,0rcu_preempt3-21ksoftirqd/019:10:000
81450,0rcu_preempt3-21ksoftirqd/000:35:290
81450,0rcu_preempt13915-21kworker/0:021:19:400
10050450,0irq/346-4848400921-1kworker/0:0H22:04:370
81440,0rcu_preempt3-21ksoftirqd/020:54:250
81440,0rcu_preempt3-21ksoftirqd/020:36:320
81440,0rcu_preempt3-21ksoftirqd/020:34:100
81440,0rcu_preempt19-21ksoftirqd/119:29:461
81440,0rcu_preempt15138-21kworker/1:220:44:321
10050440,0irq/346-48484008645-21cyclictest21:32:470
10050440,0irq/346-48484003-21ksoftirqd/019:41:080
10050440,0irq/346-48484003-21ksoftirqd/019:41:080
10050440,0irq/346-484840022536-21ssh23:59:210
81430,0rcu_preempt3-21ksoftirqd/020:24:380
81430,0rcu_preempt3-21ksoftirqd/019:44:220
81430,0rcu_preempt3-21ksoftirqd/019:29:340
81430,0rcu_preempt3-21ksoftirqd/019:04:190
81430,0rcu_preempt11973-21sed19:19:120
81410,0rcu_preempt3-21ksoftirqd/019:49:210
81400,0rcu_preempt9336-21wget20:49:210
81400,0rcu_preempt15616-21runrttasks21:08:560
81390,0rcu_preempt3-21ksoftirqd/021:01:260
81380,0rcu_preempt3-21ksoftirqd/019:54:280
81380,0rcu_preempt3-21ksoftirqd/019:19:370
81380,0rcu_preempt19-21ksoftirqd/119:06:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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