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2026-03-01 - 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 #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 792 highest latencies:
System rackaslot5s.osadl.org (updated Sun Mar 01, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81970,0rcu_preempt19-21ksoftirqd/121:19:251
81870,0rcu_preempt19-21ksoftirqd/122:38:101
10050860,0irq/346-484840029840-21aten_rapower_vo00:14:250
10050830,0irq/346-48484003-21ksoftirqd/000:11:050
10050800,0irq/346-484840054-21kswapd023:09:310
81780,0rcu_preempt54-21kswapd022:52:511
81780,0rcu_preempt19-21ksoftirqd/121:09:281
81770,0rcu_preempt3-21ksoftirqd/023:08:440
81770,0rcu_preempt24557-21ssh23:04:051
81770,0rcu_preempt19-21ksoftirqd/100:19:321
81760,0rcu_preempt3-21ksoftirqd/023:17:370
10250740,0irq/333-mmc054-21kswapd000:34:320
81720,0rcu_preempt3-21ksoftirqd/023:29:110
9950710,0irq/345-48484000-21swapper/022:27:020
81710,0rcu_preempt3-21ksoftirqd/021:30:110
81710,0rcu_preempt19-21ksoftirqd/123:54:311
10050690,0irq/346-48484000-21swapper/023:49:560
9950670,0irq/345-48484000-21swapper/022:16:580
81660,0rcu_preempt19-21ksoftirqd/121:46:521
81650,0rcu_preempt19-21ksoftirqd/122:09:541
81650,0rcu_preempt0-21swapper/123:37:551
81630,0rcu_preempt3-21ksoftirqd/022:09:490
81630,0rcu_preempt3-21ksoftirqd/020:14:260
81620,0rcu_preempt3-21ksoftirqd/000:05:020
81620,0rcu_preempt3-21ksoftirqd/000:03:020
81610,0rcu_preempt5487-21apt-get21:39:230
81610,0rcu_preempt3-21ksoftirqd/021:10:190
81580,0rcu_preempt54-21kswapd021:54:130
81580,0rcu_preempt19-21ksoftirqd/119:19:131
81570,0rcu_preempt19-21ksoftirqd/100:24:381
81560,0rcu_preempt5470-21kworker/0:023:55:040
81560,0rcu_preempt54-21kswapd000:11:131
81560,0rcu_preempt3-21ksoftirqd/020:59:250
10050560,0irq/346-484840024767-1kworker/0:2H23:38:150
203372550,0chrt10050irq/346-484840019:24:530
10050550,0irq/346-484840027001-21ssh22:00:180
81540,0rcu_preempt3-21ksoftirqd/023:40:570
10050540,0irq/346-484840024999-1kworker/0:2H22:34:360
81530,0rcu_preempt3-21ksoftirqd/022:29:140
81530,0rcu_preempt3-21ksoftirqd/022:19:470
81530,0rcu_preempt3-21ksoftirqd/020:29:300
81530,0rcu_preempt1470-21runrttasks22:44:211
81530,0rcu_preempt0-21swapper/120:53:441
81530,0rcu_preempt0-21swapper/100:37:221
81520,0rcu_preempt3-21ksoftirqd/023:19:440
81520,0rcu_preempt3-21ksoftirqd/022:07:170
81520,0rcu_preempt14983-21ssh00:31:260
10050520,0irq/346-484840054-21kswapd000:21:370
81510,0rcu_preempt3-21ksoftirqd/021:54:410
81510,0rcu_preempt26245-21ping19:59:140
81510,0rcu_preempt20389-21kworker/0:222:49:370
1599510,0migration/019703-21sh22:59:130
10050510,0irq/346-484840054-21kswapd023:48:530
10050510,0irq/346-484840013903-21ntp_states21:14:370
81500,0rcu_preempt3-21ksoftirqd/019:59:130
81500,0rcu_preempt19-21ksoftirqd/123:19:251
81500,0rcu_preempt19-21ksoftirqd/121:49:331
81500,0rcu_preempt10431-21apt-get21:44:230
81500,0rcu_preempt0-21swapper/122:03:001
10050500,0irq/346-484840017417-1kworker/0:2H23:03:400
9950490,0irq/345-484840014069-1kworker/0:1H23:31:150
81490,0rcu_preempt763-21diskstats21:34:290
81490,0rcu_preempt3-21ksoftirqd/022:43:430
81490,0rcu_preempt3-21ksoftirqd/020:06:420
81490,0rcu_preempt19-21ksoftirqd/119:57:091
81490,0rcu_preempt1156-21kworker/0:119:41:240
10050490,0irq/346-48484002506-1kworker/0:3H22:44:490
10050490,0irq/346-48484000-21swapper/021:19:450
81480,0rcu_preempt3-21ksoftirqd/020:22:170
81480,0rcu_preempt3-21ksoftirqd/019:29:430
81480,0rcu_preempt19-21ksoftirqd/120:14:431
81470,0rcu_preempt3-21ksoftirqd/021:29:080
81470,0rcu_preempt3-21ksoftirqd/020:44:310
81470,0rcu_preempt3-21ksoftirqd/020:11:280
81470,0rcu_preempt19-21ksoftirqd/123:05:381
81470,0rcu_preempt19-21ksoftirqd/119:48:041
10050470,0irq/346-48484007639-21df_inode00:24:280
9950460,0irq/345-484840019160-1kworker/0:1H19:20:380
81460,0rcu_preempt3-21ksoftirqd/021:06:360
81460,0rcu_preempt19-21ksoftirqd/122:04:261
81460,0rcu_preempt19-21ksoftirqd/121:54:301
81460,0rcu_preempt19-21ksoftirqd/120:20:041
81460,0rcu_preempt19-21ksoftirqd/100:32:431
10050460,0irq/346-484840019519-21ping19:44:410
81450,0rcu_preempt19-21ksoftirqd/122:29:341
81450,0rcu_preempt19-21ksoftirqd/100:14:361
81450,0rcu_preempt19-21ksoftirqd/100:04:341
81440,0rcu_preempt3-21ksoftirqd/019:38:350
81440,0rcu_preempt19-21ksoftirqd/123:39:391
81440,0rcu_preempt19-21ksoftirqd/123:24:131
81440,0rcu_preempt19-21ksoftirqd/119:29:511
81440,0rcu_preempt19-21ksoftirqd/100:03:011
81440,0rcu_preempt18230-21diskstats19:14:310
81440,0rcu_preempt17263-21cyclictest23:50:411
81430,0rcu_preempt19-21ksoftirqd/123:18:361
81430,0rcu_preempt19-21ksoftirqd/122:21:231
81430,0rcu_preempt19-21ksoftirqd/121:29:361
81430,0rcu_preempt18912-21sshd22:24:411
81420,0rcu_preempt3-21ksoftirqd/020:25:390
81420,0rcu_preempt19-21ksoftirqd/123:33:371
81420,0rcu_preempt19-21ksoftirqd/122:39:311
81420,0rcu_preempt19-21ksoftirqd/121:36:471
81420,0rcu_preempt19-21ksoftirqd/120:08:051
81420,0rcu_preempt19-21ksoftirqd/120:03:361
81420,0rcu_preempt19-21ksoftirqd/119:42:441
81410,0rcu_preempt6067-21kworker/1:021:27:131
81410,0rcu_preempt19-21ksoftirqd/123:12:021
81410,0rcu_preempt19-21ksoftirqd/122:19:121
81410,0rcu_preempt19-21ksoftirqd/120:09:431
81410,0rcu_preempt19-21ksoftirqd/119:19:171
81410,0rcu_preempt0-21swapper/123:48:171
81400,0rcu_preempt3-21ksoftirqd/019:05:020
81400,0rcu_preempt19-21ksoftirqd/122:56:171
81400,0rcu_preempt19-21ksoftirqd/121:39:391
81400,0rcu_preempt19-21ksoftirqd/120:25:261
81390,0rcu_preempt6067-21kworker/1:021:08:001
81390,0rcu_preempt3-21ksoftirqd/020:59:120
81390,0rcu_preempt19-21ksoftirqd/121:17:251
81390,0rcu_preempt19-21ksoftirqd/120:48:241
10050390,0irq/346-48484000-21swapper/020:41:390
81380,0rcu_preempt3-21ksoftirqd/019:09:540
81380,0rcu_preempt19-21ksoftirqd/121:02:261
81380,0rcu_preempt19-21ksoftirqd/120:41:461
81380,0rcu_preempt19-21ksoftirqd/120:39:131
81380,0rcu_preempt19-21ksoftirqd/120:33:551
81380,0rcu_preempt19-21ksoftirqd/119:11:581
10050380,0irq/346-48484000-21swapper/020:36:210
81370,0rcu_preempt851-21rngd19:25:201
81370,0rcu_preempt3-21ksoftirqd/020:50:130
81370,0rcu_preempt19-21ksoftirqd/120:55:291
81370,0rcu_preempt19-21ksoftirqd/119:50:481
81350,0rcu_preempt3-21ksoftirqd/019:49:140
81340,0rcu_preempt19-21ksoftirqd/119:04:451
1699330,0migration/123064-21latency_hist19:39:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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