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2026-01-28 - 14:40
[ 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 28, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811380,0rcu_preempt19-21ksoftirqd/121:52:461
811260,0rcu_preempt19-21ksoftirqd/120:39:431
811230,0rcu_preempt1660-21ping20:19:591
811200,0rcu_preempt19-21ksoftirqd/123:23:311
811190,0rcu_preempt19-21ksoftirqd/119:45:161
811180,0rcu_preempt19-21ksoftirqd/121:31:131
811150,0rcu_preempt19-21ksoftirqd/121:20:101
811150,0rcu_preempt19-21ksoftirqd/100:24:091
811140,0rcu_preempt21085-21apt-get22:44:541
811130,0rcu_preempt54-21kswapd023:45:011
811110,0rcu_preempt19-21ksoftirqd/119:10:051
811100,0rcu_preempt19-21ksoftirqd/123:16:551
811090,0rcu_preempt19-21ksoftirqd/122:54:301
811070,0rcu_preempt19-21ksoftirqd/122:05:331
811060,0rcu_preempt851-21rngd20:29:061
811060,0rcu_preempt19-21ksoftirqd/122:44:391
811060,0rcu_preempt19-21ksoftirqd/121:16:031
811060,0rcu_preempt12409-21ssh22:03:231
811050,0rcu_preempt851-21rngd19:16:551
811040,0rcu_preempt54-21kswapd022:55:141
811040,0rcu_preempt19-21ksoftirqd/100:33:411
811040,0rcu_preempt19-21ksoftirqd/100:33:411
811040,0rcu_preempt0-21swapper/100:14:121
811040,0rcu_preempt0-21swapper/100:14:121
811030,0rcu_preempt54-21kswapd023:32:411
811020,0rcu_preempt54-21kswapd022:34:541
811020,0rcu_preempt19-21ksoftirqd/119:29:291
811010,0rcu_preempt22629-21ssh22:13:451
811010,0rcu_preempt22629-21ssh22:13:451
811010,0rcu_preempt19-21ksoftirqd/123:11:361
811010,0rcu_preempt19-21ksoftirqd/122:20:221
811010,0rcu_preempt0-21swapper/123:28:111
811000,0rcu_preempt19-21ksoftirqd/121:40:051
811000,0rcu_preempt19-21ksoftirqd/121:27:081
81990,0rcu_preempt19-21ksoftirqd/121:55:061
81990,0rcu_preempt19-21ksoftirqd/121:36:191
81990,0rcu_preempt19-21ksoftirqd/121:11:301
81980,0rcu_preempt19-21ksoftirqd/119:41:451
81970,0rcu_preempt19-21ksoftirqd/122:15:471
81970,0rcu_preempt19-21ksoftirqd/121:04:541
81960,0rcu_preempt578-21ssh00:34:541
81960,0rcu_preempt19-21ksoftirqd/123:41:181
81950,0rcu_preempt19-21ksoftirqd/123:55:501
81950,0rcu_preempt19-21ksoftirqd/122:27:241
81940,0rcu_preempt19-21ksoftirqd/123:52:251
81930,0rcu_preempt19-21ksoftirqd/120:15:121
81920,0rcu_preempt54-21kswapd022:33:301
81920,0rcu_preempt19-21ksoftirqd/100:09:081
81910,0rcu_preempt19-21ksoftirqd/123:35:391
81890,0rcu_preempt19-21ksoftirqd/123:59:441
81890,0rcu_preempt19-21ksoftirqd/100:15:231
81880,0rcu_preempt19-21ksoftirqd/119:52:331
81870,0rcu_preempt19-21ksoftirqd/120:05:111
81860,0rcu_preempt19-21ksoftirqd/121:47:571
81850,0rcu_preempt19-21ksoftirqd/119:34:441
81850,0rcu_preempt19-21ksoftirqd/119:34:441
81840,0rcu_preempt19-21ksoftirqd/120:03:511
81830,0rcu_preempt19-21ksoftirqd/123:05:071
81820,0rcu_preempt19612-21ping19:21:191
81820,0rcu_preempt19-21ksoftirqd/120:31:001
81820,0rcu_preempt19-21ksoftirqd/119:55:041
81800,0rcu_preempt19-21ksoftirqd/100:27:361
81780,0rcu_preempt19-21ksoftirqd/122:59:571
81770,0rcu_preempt19-21ksoftirqd/119:31:051
81760,0rcu_preempt19-21ksoftirqd/120:42:481
81760,0rcu_preempt19-21ksoftirqd/120:09:561
81730,0rcu_preempt3-21ksoftirqd/021:19:440
81730,0rcu_preempt19-21ksoftirqd/120:45:021
81690,0rcu_preempt3-21ksoftirqd/021:54:270
81690,0rcu_preempt19-21ksoftirqd/120:59:591
81680,0rcu_preempt3-21ksoftirqd/022:38:470
81680,0rcu_preempt3-21ksoftirqd/021:40:070
81680,0rcu_preempt19-21ksoftirqd/120:50:081
81670,0rcu_preempt3-21ksoftirqd/021:28:040
10050670,0irq/346-48484000-21swapper/020:19:570
10050660,0irq/346-48484006358-1kworker/0:3H22:15:130
81650,0rcu_preempt3-21ksoftirqd/022:57:060
81650,0rcu_preempt18810-21dropbear20:54:581
81620,0rcu_preempt54-21kswapd000:09:290
81590,0rcu_preempt54-21kswapd021:35:050
81580,0rcu_preempt54-21kswapd021:32:270
121532570,0chrt10050irq/346-484840000:13:430
121532570,0chrt10050irq/346-484840000:13:430
10050550,0irq/346-484840054-21kswapd020:05:090
10050540,0irq/346-484840054-21kswapd021:49:420
10050530,0irq/346-484840054-21kswapd022:39:590
10050530,0irq/346-484840026934-21ssh23:23:130
1599490,0migration/015002-21munin-node0
10050490,0irq/346-48484003-21ksoftirqd/019:19:580
10050490,0irq/346-484840030708-21apt-get23:59:530
10050490,0irq/346-484840028324-21ssh23:24:510
10050490,0irq/346-484840017999-21sed00:19:440
10050480,0irq/346-4848400851-21rngd22:51:260
10050480,0irq/346-484840054-21kswapd020:39:570
10050480,0irq/346-4848400219152chrt22:45:100
81470,0rcu_preempt10390-21munin-node0
10050470,0irq/346-484840054-21kswapd022:05:170
10050470,0irq/346-484840054-21kswapd020:01:410
10050470,0irq/346-48484001206-21rs:main0
10050460,0irq/346-48484008684-21runrttasks23:37:160
81450,0rcu_preempt19-21ksoftirqd/119:04:571
10050450,0irq/346-48484009594-21grep20:25:110
10050450,0irq/346-484840054-21kswapd023:45:150
10050450,0irq/346-484840054-21kswapd019:39:570
10050450,0irq/346-484840025641-21grep19:35:150
10050450,0irq/346-484840025641-21grep19:35:150
9950440,0irq/345-484840019612-21ping19:44:590
9950440,0irq/345-48484000-21swapper/022:31:100
10050440,0irq/346-484840054-21kswapd023:00:380
10050440,0irq/346-48484005013-1kworker/0:2H20:15:050
10050440,0irq/346-484840030370-1kworker/0:2H23:33:050
10050440,0irq/346-484840028950-21ssh00:30:100
10050440,0irq/346-484840028950-21ssh00:30:100
10050440,0irq/346-484840016127-21ssh23:12:020
10050440,0irq/346-48484001339-21snmpd23:06:090
10050440,0irq/346-48484000-21swapper/023:15:200
10050430,0irq/346-48484008644-21ssh21:59:470
10050430,0irq/346-484840032211-21grep19:55:100
10050430,0irq/346-484840030967-21rm22:21:380
10050430,0irq/346-484840017388-21ssh00:19:060
10050430,0irq/346-48484000-21swapper/023:51:080
10050430,0irq/346-48484000-21swapper/019:25:080
10050420,0irq/346-484840054-21kswapd023:58:290
10050410,0irq/346-48484003715-21apt-get21:54:530
10050410,0irq/346-48484002773-1kworker/0:1H00:36:250
10050410,0irq/346-484840020278-1kworker/0:0H00:24:540
10050410,0irq/346-48484000-21swapper/021:11:170
9950400,0irq/345-48484000-21swapper/021:19:530
231222400,0chrt21500-1kworker/0:1H21:06:390
10050400,0irq/346-484840022287-21ssh22:13:180
10050400,0irq/346-484840022287-21ssh22:13:180
9950390,0irq/345-484840017817-21taskset20:50:080
10050390,0irq/346-484840030830-1kworker/0:1H19:54:420
10050390,0irq/346-48484002997-21ssh22:25:560
10050390,0irq/346-484840018097-1kworker/0:1H20:55:030
9950380,0irq/345-484840017955-21idleruntime-cro19:14:430
181052380,0chrt16300-1kworker/0:0H19:14:520
16324993814,0cyclictest0-21swapper/019:33:020
10050380,0irq/346-48484000-21swapper/020:35:040
9950350,0irq/345-48484000-21swapper/020:09:590
10050340,0irq/346-484840020137-21sendmail-msp20:59:480
10050340,0irq/346-484840015504-21df20:44:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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