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2026-02-14 - 00:41
[ 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 Fri Feb 13, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811080,0rcu_preempt19-21ksoftirqd/111:26:141
81960,0rcu_preempt54-21kswapd010:19:511
81960,0rcu_preempt19-21ksoftirqd/112:33:551
81940,0rcu_preempt54-21kswapd012:24:141
81940,0rcu_preempt30309-21ssh11:54:281
81940,0rcu_preempt19-21ksoftirqd/107:39:401
81930,0rcu_preempt54-21kswapd009:59:361
81920,0rcu_preempt31593-21ssh09:14:561
81910,0rcu_preempt7282-21ssh12:34:511
81910,0rcu_preempt19-21ksoftirqd/110:28:481
81900,0rcu_preempt5128-21ssh11:29:401
81900,0rcu_preempt19-21ksoftirqd/110:18:211
81890,0rcu_preempt54-21kswapd012:11:141
81880,0rcu_preempt54-21kswapd010:52:381
81860,0rcu_preempt54-21kswapd009:28:571
81860,0rcu_preempt19-21ksoftirqd/111:24:151
81860,0rcu_preempt19-21ksoftirqd/111:13:411
81860,0rcu_preempt19-21ksoftirqd/110:08:051
81860,0rcu_preempt19-21ksoftirqd/109:49:051
81860,0rcu_preempt19-21ksoftirqd/109:13:011
81860,0rcu_preempt16732-21kworker/1:109:36:491
81850,0rcu_preempt19-21ksoftirqd/111:54:241
81840,0rcu_preempt19-21ksoftirqd/110:49:111
81840,0rcu_preempt19-21ksoftirqd/110:30:301
81840,0rcu_preempt19-21ksoftirqd/109:58:351
81820,0rcu_preempt19-21ksoftirqd/110:58:001
81820,0rcu_preempt19-21ksoftirqd/107:54:471
81800,0rcu_preempt851-21rngd08:09:011
81770,0rcu_preempt0-21swapper/109:53:001
81760,0rcu_preempt27320-21ssh09:43:291
81730,0rcu_preempt19-21ksoftirqd/108:59:431
81730,0rcu_preempt19-21ksoftirqd/107:19:361
81720,0rcu_preempt0-21swapper/111:43:021
81710,0rcu_preempt19-21ksoftirqd/110:36:371
81700,0rcu_preempt0-21swapper/110:12:471
81690,0rcu_preempt3-21ksoftirqd/010:49:480
81690,0rcu_preempt19-21ksoftirqd/111:49:081
81690,0rcu_preempt19-21ksoftirqd/111:49:081
81680,0rcu_preempt3-21ksoftirqd/010:20:020
81670,0rcu_preempt3-21ksoftirqd/012:08:400
81670,0rcu_preempt3-21ksoftirqd/012:08:400
81670,0rcu_preempt19-21ksoftirqd/110:41:071
10050670,0irq/346-484840011145-1kworker/0:0H10:32:420
81650,0rcu_preempt19-21ksoftirqd/112:05:311
81650,0rcu_preempt19-21ksoftirqd/112:05:311
10050650,0irq/346-4848400171rcuc/111:04:441
81640,0rcu_preempt3-21ksoftirqd/009:19:000
81640,0rcu_preempt19-21ksoftirqd/109:33:161
81640,0rcu_preempt19-21ksoftirqd/108:24:571
81630,0rcu_preempt3-21ksoftirqd/008:59:400
81630,0rcu_preempt19-21ksoftirqd/111:34:481
81630,0rcu_preempt19-21ksoftirqd/108:19:471
81620,0rcu_preempt54-21kswapd007:19:270
81620,0rcu_preempt19-21ksoftirqd/109:20:021
81610,0rcu_preempt19-21ksoftirqd/108:42:041
81610,0rcu_preempt19-21ksoftirqd/108:13:511
81600,0rcu_preempt19-21ksoftirqd/112:24:551
81600,0rcu_preempt19-21ksoftirqd/112:04:191
81590,0rcu_preempt3-21ksoftirqd/009:26:590
81580,0rcu_preempt3-21ksoftirqd/010:39:420
10050580,0irq/346-484840028183-1kworker/0:2H09:23:260
81570,0rcu_preempt19-21ksoftirqd/107:49:451
10050570,0irq/346-484840011212-1kworker/0:3H09:59:410
81560,0rcu_preempt19-21ksoftirqd/112:17:541
81560,0rcu_preempt19-21ksoftirqd/111:15:211
81560,0rcu_preempt19-21ksoftirqd/111:15:211
81550,0rcu_preempt3-21ksoftirqd/011:23:560
81550,0rcu_preempt3-21ksoftirqd/008:04:380
81550,0rcu_preempt19-21ksoftirqd/111:01:481
81550,0rcu_preempt19-21ksoftirqd/108:54:281
10050550,0irq/346-4848400851-21rngd11:29:020
10050550,0irq/346-484840026531-21ssh09:42:280
81540,0rcu_preempt19-21ksoftirqd/108:49:441
81540,0rcu_preempt19-21ksoftirqd/108:49:441
81540,0rcu_preempt19-21ksoftirqd/108:44:431
81540,0rcu_preempt19-21ksoftirqd/108:02:231
81540,0rcu_preempt19-21ksoftirqd/107:09:471
81540,0rcu_preempt16127-21apt-get10:04:370
10050540,0irq/346-484840015061-1kworker/0:2H08:39:310
10050540,0irq/346-484840012075-1kworker/0:1H11:04:520
81530,0rcu_preempt19-21ksoftirqd/108:19:241
10050530,0irq/346-484840027613-1kworker/0:3H11:55:350
10050520,0irq/346-4848400851-21rngd12:35:460
9950510,0irq/345-48484002161-21/usr/sbin/munin07:59:280
9950500,0irq/345-484840026918-21munin-run11:19:270
9950500,0irq/345-484840026918-21munin-run11:19:270
81500,0rcu_preempt3-21ksoftirqd/012:16:490
81500,0rcu_preempt3-21ksoftirqd/011:29:520
81500,0rcu_preempt3-21ksoftirqd/010:28:150
81500,0rcu_preempt12772-21memory08:29:491
81490,0rcu_preempt3-21ksoftirqd/010:09:440
81490,0rcu_preempt20092-21df_abs07:14:431
81490,0rcu_preempt19-21ksoftirqd/109:04:471
10050490,0irq/346-484840017530-21ssh12:13:390
10050490,0irq/346-48484000-21swapper/012:03:530
81480,0rcu_preempt54-21kswapd011:42:550
81480,0rcu_preempt3-21ksoftirqd/007:04:440
1811599487,0cyclictest1946-21ping07:59:440
10050480,0irq/346-4848400777-21ssh12:29:060
10050480,0irq/346-484840021659-1kworker/0:2H08:56:460
10050480,0irq/346-48484000-21swapper/011:09:280
81470,0rcu_preempt3-21ksoftirqd/010:14:490
81470,0rcu_preempt3-21ksoftirqd/009:50:040
81470,0rcu_preempt3-21ksoftirqd/009:29:380
81470,0rcu_preempt3-21ksoftirqd/007:48:340
10050470,0irq/346-484840023476-1kworker/0:3H12:30:480
81460,0rcu_preempt3-21ksoftirqd/011:46:150
81460,0rcu_preempt3-21ksoftirqd/011:46:150
81460,0rcu_preempt3-21ksoftirqd/011:04:160
81460,0rcu_preempt3-21ksoftirqd/008:24:550
81460,0rcu_preempt3-21ksoftirqd/008:19:590
81450,0rcu_preempt3-21ksoftirqd/010:34:490
81450,0rcu_preempt19-21ksoftirqd/108:34:421
81450,0rcu_preempt19-21ksoftirqd/107:46:011
81450,0rcu_preempt19-21ksoftirqd/107:37:521
81450,0rcu_preempt19-21ksoftirqd/107:25:451
81450,0rcu_preempt12192-21apt-get08:29:380
267502452,0sleep00-21swapper/007:34:470
9950440,0irq/345-48484000-21swapper/011:34:550
81440,0rcu_preempt3-21ksoftirqd/009:54:520
81440,0rcu_preempt21405-21ping07:39:400
1811699441,0cyclictest24849-21munin-node1
10050440,0irq/346-484840023117-21latency_hist09:39:280
81430,0rcu_preempt25492-21apt-get09:09:390
81430,0rcu_preempt15146-21kworker/0:211:51:080
81420,0rcu_preempt9554-21kworker/0:112:19:310
81420,0rcu_preempt3-21ksoftirqd/010:54:520
81420,0rcu_preempt3-21ksoftirqd/007:13:460
10050420,0irq/346-484840024498-21ssh10:44:450
81410,0rcu_preempt3-21ksoftirqd/008:49:380
81410,0rcu_preempt3-21ksoftirqd/008:49:380
81410,0rcu_preempt3-21ksoftirqd/008:35:110
81410,0rcu_preempt3-21ksoftirqd/008:12:490
81410,0rcu_preempt19-21ksoftirqd/107:05:151
10050410,0irq/346-48484007313-21wget08:14:410
81400,0rcu_preempt3-21ksoftirqd/009:06:100
81400,0rcu_preempt3-21ksoftirqd/007:54:010
18115994014,0cyclictest22742-21runrttasks07:21:070
10050400,0irq/346-48484000-21swapper/009:47:070
1811599392,0cyclictest21405-21ping07:24:560
81380,0rcu_preempt3-21ksoftirqd/008:45:400
1599380,0migration/026183-21runrttasks07:32:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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