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2026-01-23 - 15:39
[ 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 Fri Jan 23, 2026 12:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811560,0rcu_preempt3-21ksoftirqd/012:27:120
811170,0rcu_preempt19-21ksoftirqd/112:25:531
81980,0rcu_preempt18205-1kworker/0:1H07:30:110
81890,0rcu_preempt3-21ksoftirqd/007:25:150
81820,0rcu_preempt19-21ksoftirqd/107:39:481
81790,0rcu_preempt3-21ksoftirqd/011:29:590
81730,0rcu_preempt21912-21kworker/1:009:09:471
81710,0rcu_preempt19-21ksoftirqd/110:48:201
81710,0rcu_preempt19-21ksoftirqd/108:12:311
81700,0rcu_preempt3-21ksoftirqd/009:10:220
81700,0rcu_preempt20813-21ssh10:16:141
81700,0rcu_preempt20813-21ssh10:16:141
81700,0rcu_preempt19-21ksoftirqd/111:07:341
81700,0rcu_preempt19-21ksoftirqd/111:02:571
81700,0rcu_preempt19-21ksoftirqd/110:35:551
81700,0rcu_preempt19-21ksoftirqd/110:27:321
81700,0rcu_preempt19-21ksoftirqd/108:15:111
81690,0rcu_preempt19-21ksoftirqd/110:51:111
81690,0rcu_preempt19-21ksoftirqd/110:30:081
81680,0rcu_preempt27988-21ping08:06:291
81680,0rcu_preempt19-21ksoftirqd/110:59:291
81680,0rcu_preempt19-21ksoftirqd/108:25:531
81670,0rcu_preempt851-21rngd11:21:290
81670,0rcu_preempt19-21ksoftirqd/110:43:161
81670,0rcu_preempt19-21ksoftirqd/108:23:491
81660,0rcu_preempt30637-21ssh12:03:531
81660,0rcu_preempt19-21ksoftirqd/107:58:481
81650,0rcu_preempt19-21ksoftirqd/108:03:571
81640,0rcu_preempt30728-21kworker/1:111:12:231
81640,0rcu_preempt30728-21kworker/1:111:12:231
81640,0rcu_preempt0-21swapper/109:12:511
81630,0rcu_preempt54-21kswapd011:31:101
81630,0rcu_preempt3-21ksoftirqd/009:45:110
10050630,0irq/346-484840028596-1kworker/1:1H10:04:061
81620,0rcu_preempt54-21kswapd012:08:191
81620,0rcu_preempt54-21kswapd012:08:191
81620,0rcu_preempt54-21kswapd011:44:211
81620,0rcu_preempt3-21ksoftirqd/009:29:480
81610,0rcu_preempt19-21ksoftirqd/109:58:421
10050610,0irq/346-48484002992-1kworker/1:2H12:14:081
81600,0rcu_preempt54-21kswapd011:45:481
81600,0rcu_preempt3-21ksoftirqd/012:05:010
81600,0rcu_preempt3-21ksoftirqd/012:05:010
81600,0rcu_preempt3-21ksoftirqd/011:40:080
81600,0rcu_preempt19-21ksoftirqd/109:20:401
81600,0rcu_preempt0-21swapper/107:15:101
10050600,0irq/346-48484008691-1kworker/1:1H09:35:261
10050600,0irq/346-48484001402-1kworker/1:1H11:16:131
81590,0rcu_preempt21912-21kworker/1:009:46:311
81590,0rcu_preempt21912-21kworker/1:009:27:181
81590,0rcu_preempt19-21ksoftirqd/109:30:041
81580,0rcu_preempt3-21ksoftirqd/010:19:570
10050580,0irq/346-48484003-21ksoftirqd/012:35:000
10050580,0irq/346-484840026212-1kworker/1:0H09:17:051
10050580,0irq/346-484840021242-1kworker/0:0H09:18:200
10050580,0irq/346-484840011019-1kworker/1:0H10:08:231
81570,0rcu_preempt3-21ksoftirqd/007:45:240
81570,0rcu_preempt19-21ksoftirqd/112:34:051
81570,0rcu_preempt19-21ksoftirqd/109:49:481
81570,0rcu_preempt0-21swapper/110:21:411
10050570,0irq/346-484840032173-21munin-node0
81560,0rcu_preempt54-21kswapd011:57:581
81560,0rcu_preempt3-21ksoftirqd/007:55:140
81560,0rcu_preempt19-21ksoftirqd/111:20:161
10050560,0irq/346-484840016363-1kworker/1:0H11:37:421
81550,0rcu_preempt54-21kswapd012:15:131
81550,0rcu_preempt19-21ksoftirqd/109:43:471
10050550,0irq/346-484840054-21kswapd009:41:280
10050550,0irq/346-48484000-21swapper/012:14:300
81540,0rcu_preempt3-21ksoftirqd/011:34:590
81540,0rcu_preempt19-21ksoftirqd/110:10:101
81540,0rcu_preempt19-21ksoftirqd/110:10:101
10050540,0irq/346-4848400851-21rngd10:12:300
10050540,0irq/346-4848400851-21rngd10:12:300
81530,0rcu_preempt54-21kswapd011:26:341
81530,0rcu_preempt21912-21kworker/1:008:43:061
10050530,0irq/346-48484000-21swapper/012:02:580
81520,0rcu_preempt19-21ksoftirqd/111:50:111
81520,0rcu_preempt19-21ksoftirqd/109:00:061
81510,0rcu_preempt54-21kswapd007:47:331
81510,0rcu_preempt3-21ksoftirqd/008:10:160
81510,0rcu_preempt3-21ksoftirqd/007:06:130
81510,0rcu_preempt19-21ksoftirqd/108:31:071
81510,0rcu_preempt19-21ksoftirqd/107:50:101
10050510,0irq/346-4848400851-21rngd09:30:140
10050510,0irq/346-48484003904-21ssh09:59:500
81500,0rcu_preempt19-21ksoftirqd/112:35:081
81500,0rcu_preempt19-21ksoftirqd/108:55:131
81500,0rcu_preempt19-21ksoftirqd/108:53:471
81500,0rcu_preempt12243-21dropbear07:10:011
10050500,0irq/346-48484002770-1kworker/0:1H11:14:170
10050500,0irq/346-48484002770-1kworker/0:1H11:14:170
10050500,0irq/346-484840024318-21ssh11:51:000
10050500,0irq/346-484840022888-21ssh10:18:580
10050500,0irq/346-484840022888-21ssh10:18:580
81490,0rcu_preempt21912-21kworker/1:008:45:361
81490,0rcu_preempt19-21ksoftirqd/107:31:211
11903994910,0cyclictest15188-21ping07:41:000
10050490,0irq/346-484840054-21kswapd009:53:050
10050490,0irq/346-484840024518-1kworker/0:0H11:55:290
9950480,0irq/345-48484000-21swapper/107:25:081
81480,0rcu_preempt19-21ksoftirqd/108:35:031
10050480,0irq/346-48484003-21ksoftirqd/008:00:000
10050480,0irq/346-48484003-21ksoftirqd/007:19:570
10050470,0irq/346-484840054-21kswapd011:25:260
10050470,0irq/346-484840054-21kswapd011:18:290
10050470,0irq/346-484840054-21kswapd008:59:470
10050470,0irq/346-484840015188-21ping07:35:281
81460,0rcu_preempt3-21ksoftirqd/008:20:090
81460,0rcu_preempt19-21ksoftirqd/107:20:181
81460,0rcu_preempt0-21swapper/008:39:580
10050460,0irq/346-484840054-21kswapd012:17:350
10050460,0irq/346-484840054-21kswapd011:48:550
10050460,0irq/346-484840054-21kswapd010:05:430
10050460,0irq/346-484840054-21kswapd009:20:230
81450,0rcu_preempt3-21ksoftirqd/007:09:580
10050450,0irq/346-484840054-21kswapd010:41:510
81440,0rcu_preempt3-21ksoftirqd/010:25:170
81440,0rcu_preempt3-21ksoftirqd/008:45:040
81440,0rcu_preempt3-21ksoftirqd/007:50:070
81430,0rcu_preempt3-21ksoftirqd/008:50:060
81430,0rcu_preempt3-21ksoftirqd/008:25:120
1190399439,0cyclictest15188-21ping07:19:470
11903994310,0cyclictest545-1kworker/0:2H08:16:050
10050430,0irq/346-48484000-21swapper/009:37:100
81420,0rcu_preempt3-21ksoftirqd/008:35:100
81420,0rcu_preempt3-21ksoftirqd/007:35:110
81420,0rcu_preempt19-21ksoftirqd/107:05:051
301452420,0chrt29628-1kworker/0:1H08:05:000
81410,0rcu_preempt3-21ksoftirqd/011:08:260
81400,0rcu_preempt3-21ksoftirqd/010:54:540
81400,0rcu_preempt3-21ksoftirqd/008:29:570
81400,0rcu_preempt18203-21ps09:05:110
10050400,0irq/346-48484000-21swapper/011:01:510
81390,0rcu_preempt3-21ksoftirqd/010:54:460
81390,0rcu_preempt3-21ksoftirqd/008:59:560
81390,0rcu_preempt2601-21kworker/u4:010:37:080
81380,0rcu_preempt3-21ksoftirqd/012:29:480
81380,0rcu_preempt3-21ksoftirqd/010:49:470
81380,0rcu_preempt3-21ksoftirqd/010:34:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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