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2026-01-21 - 19:17
[ 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 376 highest latencies:
System rackaslot5s.osadl.org (updated Wed Jan 21, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
67442800,0chrt9950irq/345-484840012:02:000
81750,0rcu_preempt3-21ksoftirqd/009:19:510
81750,0rcu_preempt19-21ksoftirqd/110:43:491
81740,0rcu_preempt19-21ksoftirqd/109:24:411
81740,0rcu_preempt19-21ksoftirqd/107:21:391
81730,0rcu_preempt19-21ksoftirqd/111:51:321
81730,0rcu_preempt19-21ksoftirqd/108:15:581
81730,0rcu_preempt19-21ksoftirqd/108:15:581
81730,0rcu_preempt19-21ksoftirqd/107:27:131
81730,0rcu_preempt0-21swapper/111:39:541
81720,0rcu_preempt450-21ssh12:29:231
81720,0rcu_preempt19-21ksoftirqd/110:16:591
81720,0rcu_preempt19-21ksoftirqd/107:34:281
81720,0rcu_preempt19-21ksoftirqd/107:34:281
81710,0rcu_preempt19-21ksoftirqd/112:35:291
81710,0rcu_preempt19-21ksoftirqd/112:03:331
81710,0rcu_preempt19-21ksoftirqd/107:40:111
81700,0rcu_preempt3-21ksoftirqd/011:29:330
81690,0rcu_preempt19-21ksoftirqd/112:20:241
81690,0rcu_preempt19-21ksoftirqd/108:27:481
81690,0rcu_preempt19-21ksoftirqd/107:47:031
81680,0rcu_preempt3-21ksoftirqd/011:45:510
81680,0rcu_preempt19-21ksoftirqd/109:26:451
81670,0rcu_preempt19-21ksoftirqd/111:25:051
81670,0rcu_preempt19-21ksoftirqd/111:07:301
81660,0rcu_preempt19-21ksoftirqd/110:34:251
81660,0rcu_preempt19-21ksoftirqd/110:24:401
81660,0rcu_preempt19-21ksoftirqd/109:10:281
81660,0rcu_preempt19-21ksoftirqd/108:21:571
81650,0rcu_preempt19-21ksoftirqd/108:07:371
81640,0rcu_preempt3-21ksoftirqd/011:05:570
81640,0rcu_preempt19-21ksoftirqd/112:09:321
81640,0rcu_preempt19-21ksoftirqd/111:35:521
81640,0rcu_preempt19-21ksoftirqd/110:37:131
81640,0rcu_preempt19-21ksoftirqd/110:37:131
81640,0rcu_preempt19-21ksoftirqd/110:12:221
81620,0rcu_preempt19-21ksoftirqd/111:13:291
81610,0rcu_preempt19-21ksoftirqd/111:00:471
10050610,0irq/346-484840026868-1kworker/1:1H09:43:191
10050600,0irq/346-484840054-21kswapd012:29:531
81590,0rcu_preempt3-21ksoftirqd/010:20:090
81590,0rcu_preempt19-21ksoftirqd/110:47:571
10050590,0irq/346-484840021950-1kworker/1:2H09:35:241
81580,0rcu_preempt3-21ksoftirqd/011:51:240
81570,0rcu_preempt19-21ksoftirqd/110:02:291
81560,0rcu_preempt3-21ksoftirqd/011:04:260
81560,0rcu_preempt3-21ksoftirqd/009:59:520
10050560,0irq/346-484840012153-1kworker/1:1H09:31:061
10050560,0irq/346-484840012153-1kworker/1:1H09:31:061
81550,0rcu_preempt3-21ksoftirqd/012:04:500
81540,0rcu_preempt3-21ksoftirqd/010:55:300
81540,0rcu_preempt29152-21if_eth112:25:070
10050540,0irq/346-484840054-21kswapd011:24:301
10050540,0irq/346-484840013987-1kworker/1:0H11:48:341
10050540,0irq/346-48484000-21swapper/010:36:160
10050540,0irq/346-48484000-21swapper/010:36:160
81530,0rcu_preempt6789-1kworker/1:2H12:12:011
10050530,0irq/346-4848400851-21rngd10:44:150
10050530,0irq/346-48484004217-1kworker/1:2H09:47:131
81520,0rcu_preempt3-21ksoftirqd/012:24:490
81520,0rcu_preempt3-21ksoftirqd/009:04:490
10050520,0irq/346-48484008069-1kworker/1:2H10:57:331
10050520,0irq/346-484840054-21kswapd011:59:110
10050520,0irq/346-48484003161-1kworker/1:1H10:54:301
10050520,0irq/346-484840023862-1kworker/1:1H10:07:031
81510,0rcu_preempt54-21kswapd009:28:050
81510,0rcu_preempt19-21ksoftirqd/112:19:491
81510,0rcu_preempt19-21ksoftirqd/112:19:491
10050510,0irq/346-484840054-21kswapd007:19:490
10050510,0irq/346-484840013601-21ssh09:56:091
10050510,0irq/346-48484000-21swapper/012:15:540
10050510,0irq/346-48484000-21swapper/012:15:540
81500,0rcu_preempt3-21ksoftirqd/011:40:250
10050500,0irq/346-48484009131-1kworker/1:1H09:54:361
10050500,0irq/346-484840012531-21ntp_states09:55:140
10050500,0irq/346-48484001153-21ssh11:56:051
10050500,0irq/346-484840011193-21ssh10:26:590
10050490,0irq/346-484840054-21kswapd010:24:521
10050490,0irq/346-484840054-21kswapd009:11:050
10050490,0irq/346-48484000-21swapper/010:33:350
81480,0rcu_preempt54-21kswapd008:06:570
81480,0rcu_preempt3-21ksoftirqd/010:50:140
81480,0rcu_preempt3-21ksoftirqd/009:36:320
10050480,0irq/346-48484008223-21ssh11:30:160
10050480,0irq/346-484840054-21kswapd010:15:130
10050480,0irq/346-484840031745-1kworker/0:4H09:43:130
10050480,0irq/346-484840028658-1kworker/0:1H08:59:490
10050480,0irq/346-484840022748-1kworker/1:1H11:16:061
10050480,0irq/346-484840017463-21awk08:24:490
10050480,0irq/346-48484000-21swapper/012:11:410
10050480,0irq/346-48484000-21swapper/009:16:230
9950470,0irq/345-48484000-21swapper/007:45:140
81470,0rcu_preempt3-21ksoftirqd/008:01:560
239262470,0sleep021949-1kworker/0:2H09:34:190
239262470,0sleep021949-1kworker/0:2H09:34:190
13250470,0irq/301-48020000-21swapper/012:35:030
10050470,0irq/346-484840022060-1kworker/1:0H08:39:561
10050470,0irq/346-48484000-21swapper/011:15:090
10050470,0irq/346-48484000-21swapper/011:11:200
81460,0rcu_preempt3-21ksoftirqd/008:26:440
10050460,0irq/346-48484009103-1kworker/1:1H11:34:111
10050460,0irq/346-484840054-21kswapd009:53:070
10050460,0irq/346-484840054-21kswapd009:46:500
10050460,0irq/346-484840054-21kswapd009:01:350
10050460,0irq/346-484840023863-1kworker/0:3H10:09:170
10050460,0irq/346-484840018778-1kworker/0:0H08:30:140
9950450,0irq/345-48484000-21swapper/007:39:510
10050450,0irq/346-484840028854-21ssh10:11:510
10050450,0irq/346-48484000-21swapper/008:15:060
10050450,0irq/346-48484000-21swapper/008:15:060
81440,0rcu_preempt3-21ksoftirqd/007:50:120
10050440,0irq/346-48484009204-21cron07:59:481
10050440,0irq/346-48484009204-21cron07:59:481
10050440,0irq/346-484840054-21kswapd008:41:310
10050440,0irq/346-484840054-21kswapd008:35:140
10050440,0irq/346-48484003193-21ssh12:31:260
10050440,0irq/346-484840025420-21runrttasks08:47:020
10050440,0irq/346-48484000-21swapper/011:35:260
81430,0rcu_preempt3-21ksoftirqd/010:48:240
81430,0rcu_preempt3-21ksoftirqd/008:14:280
81430,0rcu_preempt3-21ksoftirqd/007:31:510
81430,0rcu_preempt3-21ksoftirqd/007:31:510
10050430,0irq/346-484840054-21kswapd007:59:160
10050430,0irq/346-484840054-21kswapd007:59:160
10050430,0irq/346-484840029970-21sshd07:23:170
81420,0rcu_preempt25907-21memory07:10:090
10050420,0irq/346-484840024917-21sshd07:07:170
10050420,0irq/346-48484000-21swapper/011:20:360
9950410,0irq/345-484840028474-21ping07:38:251
10050410,0irq/346-484840030309-1kworker/0:0H07:25:100
81400,0rcu_preempt26554-21ps08:50:120
81390,0rcu_preempt24391-21ps07:05:141
81390,0rcu_preempt19-21ksoftirqd/108:45:061
2518699391,0cyclictest609-1kworker/0:1H07:35:110
81380,0rcu_preempt19-21ksoftirqd/108:10:131
10050380,0irq/346-48484002370-1kworker/1:1H09:16:311
81370,0rcu_preempt19-21ksoftirqd/108:00:201
81350,0rcu_preempt19-21ksoftirqd/108:30:101
275652351,0sleep127658-21munin-node1
10050350,0irq/346-48484000-21swapper/109:09:481
81340,0rcu_preempt19-21ksoftirqd/107:50:151
10050340,0irq/346-48484000-21swapper/109:00:071
81330,0rcu_preempt19-21ksoftirqd/108:52:071
282442330,0sleep126482-1kworker/1:3H07:17:331
81320,0rcu_preempt19-21ksoftirqd/107:14:231
10050310,0irq/346-484840020886-21munin-node1
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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