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2026-02-08 - 15:48
[ 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 here to display the system's profile data or here to proceed to next system.
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 Feb 08, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81820,0rcu_preempt1926-21kworker/0:008:15:410
81800,0rcu_preempt3-21ksoftirqd/010:09:090
81780,0rcu_preempt3-21ksoftirqd/012:36:270
81780,0rcu_preempt3-21ksoftirqd/012:29:400
81780,0rcu_preempt3-21ksoftirqd/010:52:470
81780,0rcu_preempt3-21ksoftirqd/008:13:380
81780,0rcu_preempt0-21swapper/010:46:540
81770,0rcu_preempt3-21ksoftirqd/011:37:300
81770,0rcu_preempt3-21ksoftirqd/011:33:510
81770,0rcu_preempt3-21ksoftirqd/011:02:370
81770,0rcu_preempt3-21ksoftirqd/009:21:000
81770,0rcu_preempt27937-21ping08:06:460
81770,0rcu_preempt20047-21kworker/0:009:47:080
81760,0rcu_preempt3-21ksoftirqd/011:48:290
81760,0rcu_preempt3-21ksoftirqd/011:26:110
81760,0rcu_preempt3-21ksoftirqd/011:19:520
81760,0rcu_preempt3-21ksoftirqd/011:11:110
81760,0rcu_preempt3-21ksoftirqd/010:15:050
81760,0rcu_preempt3-21ksoftirqd/009:43:520
81760,0rcu_preempt3-21ksoftirqd/009:29:260
81760,0rcu_preempt3-21ksoftirqd/009:14:460
81750,0rcu_preempt961-21kworker/0:210:36:310
81750,0rcu_preempt6959-21kworker/0:111:05:450
81750,0rcu_preempt3-21ksoftirqd/012:28:130
81750,0rcu_preempt3-21ksoftirqd/010:33:070
81750,0rcu_preempt3-21ksoftirqd/009:54:580
81750,0rcu_preempt3-21ksoftirqd/008:56:350
81750,0rcu_preempt3-21ksoftirqd/008:26:500
81750,0rcu_preempt3-21ksoftirqd/008:22:390
81750,0rcu_preempt3-21ksoftirqd/008:04:210
81750,0rcu_preempt3-21ksoftirqd/007:17:140
81750,0rcu_preempt3-21ksoftirqd/007:13:590
81740,0rcu_preempt3-21ksoftirqd/012:19:360
81740,0rcu_preempt3-21ksoftirqd/012:12:260
81740,0rcu_preempt3-21ksoftirqd/012:02:270
81740,0rcu_preempt3-21ksoftirqd/011:54:080
81740,0rcu_preempt3-21ksoftirqd/011:41:170
81740,0rcu_preempt3-21ksoftirqd/011:41:170
81740,0rcu_preempt3-21ksoftirqd/011:15:450
81740,0rcu_preempt3-21ksoftirqd/010:58:400
81740,0rcu_preempt3-21ksoftirqd/010:41:530
81740,0rcu_preempt3-21ksoftirqd/010:24:550
81740,0rcu_preempt3-21ksoftirqd/010:20:450
81740,0rcu_preempt3-21ksoftirqd/010:11:420
81740,0rcu_preempt3-21ksoftirqd/009:54:070
81740,0rcu_preempt3-21ksoftirqd/009:32:090
81740,0rcu_preempt3-21ksoftirqd/009:08:460
81740,0rcu_preempt3-21ksoftirqd/008:43:310
81740,0rcu_preempt3-21ksoftirqd/007:51:330
81730,0rcu_preempt3-21ksoftirqd/012:17:410
81730,0rcu_preempt3-21ksoftirqd/012:05:520
81730,0rcu_preempt3-21ksoftirqd/011:55:350
81730,0rcu_preempt3-21ksoftirqd/010:00:020
81730,0rcu_preempt3-21ksoftirqd/008:46:390
81730,0rcu_preempt3-21ksoftirqd/008:30:080
81730,0rcu_preempt3-21ksoftirqd/007:49:320
81720,0rcu_preempt3-21ksoftirqd/009:37:010
81720,0rcu_preempt3-21ksoftirqd/007:56:270
81720,0rcu_preempt15020-21ping07:19:460
81710,0rcu_preempt3-21ksoftirqd/009:11:350
81710,0rcu_preempt3-21ksoftirqd/008:36:230
81700,0rcu_preempt3-21ksoftirqd/009:01:140
81700,0rcu_preempt3-21ksoftirqd/007:29:040
81680,0rcu_preempt3-21ksoftirqd/007:39:480
81670,0rcu_preempt3-21ksoftirqd/008:49:570
81660,0rcu_preempt3-21ksoftirqd/007:33:320
81660,0rcu_preempt12731-1kworker/1:3H10:39:471
81560,0rcu_preempt19-21ksoftirqd/111:19:461
81550,0rcu_preempt19-21ksoftirqd/112:25:001
9950540,0irq/345-48484004548-1kworker/1:3H10:03:491
9950540,0irq/345-484840017316-1kworker/1:2H11:17:371
10050540,0irq/346-48484007884-1kworker/1:1H12:15:041
81530,0rcu_preempt19-21ksoftirqd/110:04:581
81520,0rcu_preempt3-21ksoftirqd/007:04:520
9950490,0irq/345-4848400181ktimersoftd/109:31:521
10050490,0irq/346-484840029582-1kworker/1:0H10:59:381
9950480,0irq/345-484840054-21kswapd008:19:441
9950480,0irq/345-48484000-21swapper/107:39:331
10050470,0irq/346-484840022435-1kworker/1:0H10:19:331
10050470,0irq/346-484840012932-1kworker/1:2H12:19:351
81460,0rcu_preempt19-21ksoftirqd/110:12:561
10050460,0irq/346-484840013702-1kworker/1:0H09:39:431
9950450,0irq/345-48484003591-1kworker/1:0H09:25:531
10050450,0irq/346-48484005434-21/usr/sbin/munin12:09:321
10050450,0irq/346-484840021609-21sendmail-msp07:39:330
10050450,0irq/346-484840011728-21cyclictest10:27:371
81440,0rcu_preempt18823-21diskmemload11:04:561
10050440,0irq/346-484840025173-1kworker/1:0H12:03:131
10050440,0irq/346-484840018035-21ssh11:49:441
81430,0rcu_preempt54-21kswapd009:18:191
81430,0rcu_preempt19-21ksoftirqd/108:05:001
10050430,0irq/346-484840015134-1kworker/1:1H11:46:081
10050430,0irq/346-484840011728-21cyclictest11:12:311
10050430,0irq/346-484840011728-21cyclictest10:35:421
81420,0rcu_preempt26167-21ps11:24:581
81420,0rcu_preempt25840-21ssh12:29:431
10050420,0irq/346-4848400323352chrt12:35:181
10050420,0irq/346-484840015244-1kworker/1:4H08:59:341
10050420,0irq/346-484840013702-1kworker/1:0H09:36:091
81410,0rcu_preempt19-21ksoftirqd/109:09:521
81410,0rcu_preempt19-21ksoftirqd/108:14:411
81410,0rcu_preempt0-21swapper/109:56:461
9950400,0irq/345-484840019-21ksoftirqd/107:59:341
81400,0rcu_preempt30924-21kernelversion11:29:531
81400,0rcu_preempt22236-21http_loadtime09:44:521
81400,0rcu_preempt19-21ksoftirqd/107:44:141
81400,0rcu_preempt19-21ksoftirqd/107:19:461
10050400,0irq/346-48484005683-21sh11:36:561
10050400,0irq/346-484840029898-21ssh10:56:251
10050400,0irq/346-484840027222-21ssh09:49:491
10050400,0irq/346-484840024126-21timerandwakeup11:55:031
10050400,0irq/346-484840022435-1kworker/1:0H10:19:371
10050400,0irq/346-484840021640-1kworker/1:1H09:19:361
10050400,0irq/346-484840011728-21cyclictest11:42:391
10050400,0irq/346-484840011728-21cyclictest11:42:391
81390,0rcu_preempt54-21kswapd007:32:361
81390,0rcu_preempt19-21ksoftirqd/110:50:391
81390,0rcu_preempt19-21ksoftirqd/107:27:221
81390,0rcu_preempt19-21ksoftirqd/107:14:511
10050390,0irq/346-48484002437-21apt-get10:29:451
81380,0rcu_preempt27937-21ping08:24:581
81380,0rcu_preempt19-21ksoftirqd/110:44:431
81380,0rcu_preempt19-21ksoftirqd/108:39:531
81380,0rcu_preempt19-21ksoftirqd/108:14:041
81380,0rcu_preempt19-21ksoftirqd/107:44:451
81380,0rcu_preempt11788-21users08:45:001
10050380,0irq/346-48484007879-21ssh12:11:121
81370,0rcu_preempt6467-21ntp_states08:29:561
81370,0rcu_preempt19-21ksoftirqd/107:06:181
81370,0rcu_preempt0-21swapper/108:34:571
81360,0rcu_preempt19-21ksoftirqd/107:09:541
81350,0rcu_preempt19-21ksoftirqd/109:05:321
81350,0rcu_preempt19-21ksoftirqd/108:55:351
81350,0rcu_preempt19-21ksoftirqd/107:54:571
81350,0rcu_preempt19-21ksoftirqd/107:49:491
81350,0rcu_preempt0-21swapper/108:50:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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