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2026-03-03 - 06:09
[ 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 Tue Mar 03, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81910,0rcu_preempt3-21ksoftirqd/023:49:100
10050740,0irq/346-48484000-21swapper/023:14:500
10050730,0irq/346-48484000-21swapper/022:11:140
81720,0rcu_preempt19-21ksoftirqd/121:54:361
10050640,0irq/346-484840012900-1kworker/1:0H22:08:471
10050640,0irq/346-484840012900-1kworker/1:0H22:08:471
10050640,0irq/346-484840012519-1kworker/1:2H23:13:301
10050630,0irq/346-484840020107-1kworker/1:0H22:47:451
10050630,0irq/346-484840012900-1kworker/1:0H22:10:061
10050620,0irq/346-48484006360-1kworker/1:2H21:27:441
10050620,0irq/346-48484004816-1kworker/1:0H23:37:071
10050620,0irq/346-484840027334-1kworker/1:1H23:29:251
10050610,0irq/346-484840031699-1kworker/1:2H00:37:321
10050610,0irq/346-484840029506-1kworker/1:1H00:02:551
10050610,0irq/346-484840017407-1kworker/1:0H21:19:191
10050610,0irq/346-484840016265-1kworker/1:0H21:40:591
81600,0rcu_preempt26797-1kworker/0:0H19:49:310
81600,0rcu_preempt26797-1kworker/0:0H19:49:310
81600,0rcu_preempt19-21ksoftirqd/123:53:001
10050600,0irq/346-48484006360-1kworker/1:2H21:34:351
10050600,0irq/346-484840054-21kswapd000:05:021
81590,0rcu_preempt19-21ksoftirqd/123:55:151
10050590,0irq/346-48484002599-1kworker/1:2H23:04:061
10050590,0irq/346-48484002599-1kworker/1:2H23:04:061
10050590,0irq/346-484840025074-1kworker/1:1H23:04:451
10050590,0irq/346-484840024573-1kworker/1:2H00:30:381
10050580,0irq/346-484840031137-1kworker/1:1H22:01:251
10050580,0irq/346-484840022821-1kworker/1:0H22:40:091
10050580,0irq/346-484840012516-1kworker/1:1H23:15:261
81570,0rcu_preempt3-21ksoftirqd/020:09:120
81570,0rcu_preempt19-21ksoftirqd/121:17:411
10050570,0irq/346-484840027334-1kworker/1:1H23:26:451
10050570,0irq/346-484840010194-1kworker/1:2H22:38:341
10050570,0irq/346-48484000-21swapper/022:14:280
81560,0rcu_preempt3-21ksoftirqd/023:39:220
10050560,0irq/346-484840054-21kswapd022:54:380
10050560,0irq/346-484840016882-1kworker/1:1H00:22:321
81550,0rcu_preempt3-21ksoftirqd/020:19:220
81550,0rcu_preempt3-21ksoftirqd/000:04:240
10050550,0irq/346-48484006360-1kworker/1:2H21:32:051
10050550,0irq/346-48484005602-1kworker/0:3H21:27:050
10050550,0irq/346-484840011922-1kworker/1:0H00:17:451
10050550,0irq/346-48484000-21swapper/000:02:560
81540,0rcu_preempt3-21ksoftirqd/021:19:390
81540,0rcu_preempt3-21ksoftirqd/019:04:380
10050540,0irq/346-484840081rcu_preempt23:54:220
10050540,0irq/346-484840054-21kswapd022:41:240
10050540,0irq/346-484840030030-1kworker/1:0H22:59:041
10050540,0irq/346-484840022821-1kworker/1:0H22:25:261
81530,0rcu_preempt3-21ksoftirqd/023:09:390
81530,0rcu_preempt3-21ksoftirqd/000:29:350
10050530,0irq/346-48484009763-1kworker/1:1H23:40:591
10050530,0irq/346-484840054-21kswapd021:13:481
10050530,0irq/346-484840032275-1kworker/0:1H23:35:130
10050530,0irq/346-484840019632-1kworker/0:1H23:50:590
81520,0rcu_preempt3-21ksoftirqd/021:54:340
81520,0rcu_preempt3-21ksoftirqd/021:39:240
81520,0rcu_preempt3-21ksoftirqd/021:12:580
81520,0rcu_preempt3-21ksoftirqd/020:59:390
81520,0rcu_preempt3-21ksoftirqd/020:39:210
81520,0rcu_preempt3-21ksoftirqd/020:38:420
81520,0rcu_preempt3-21ksoftirqd/019:48:370
81520,0rcu_preempt30131-21ping19:59:290
10050520,0irq/346-48484009763-1kworker/1:1H23:48:031
10050520,0irq/346-4848400851-21rngd23:03:330
10050520,0irq/346-4848400851-21rngd23:03:330
10050520,0irq/346-484840054-21kswapd021:52:421
10050520,0irq/346-48484005307-1kworker/1:1H22:33:071
10050520,0irq/346-484840021234-1kworker/1:2H21:45:511
81510,0rcu_preempt3-21ksoftirqd/023:29:310
81510,0rcu_preempt3-21ksoftirqd/022:34:380
81510,0rcu_preempt3-21ksoftirqd/022:29:220
81510,0rcu_preempt3-21ksoftirqd/021:59:390
81510,0rcu_preempt3-21ksoftirqd/021:51:480
81510,0rcu_preempt3-21ksoftirqd/021:34:210
81510,0rcu_preempt3-21ksoftirqd/021:14:390
81510,0rcu_preempt3-21ksoftirqd/020:44:310
81510,0rcu_preempt3-21ksoftirqd/020:32:010
81510,0rcu_preempt3-21ksoftirqd/000:29:110
10050510,0irq/346-4848400851-21rngd22:23:520
10050510,0irq/346-484840029800-21munin-node0
10050510,0irq/346-484840020107-1kworker/1:0H22:50:271
10050510,0irq/346-484840012517-1kworker/0:1H23:20:460
81500,0rcu_preempt3-21ksoftirqd/022:08:200
81500,0rcu_preempt3-21ksoftirqd/022:08:200
81500,0rcu_preempt3-21ksoftirqd/021:44:400
81500,0rcu_preempt3-21ksoftirqd/021:34:110
10050500,0irq/346-48484008343-21ssh00:12:501
10050500,0irq/346-484840032751-1kworker/0:1H22:44:500
10050500,0irq/346-484840022821-1kworker/1:0H22:19:431
81490,0rcu_preempt5381-21apt-get23:04:210
81490,0rcu_preempt3-21ksoftirqd/022:50:380
81490,0rcu_preempt3-21ksoftirqd/022:25:230
81490,0rcu_preempt3-21ksoftirqd/019:19:230
81490,0rcu_preempt3-21ksoftirqd/019:14:360
81490,0rcu_preempt28487-21kworker/1:120:19:411
81490,0rcu_preempt19-21ksoftirqd/120:24:361
81490,0rcu_preempt19-21ksoftirqd/120:24:361
81490,0rcu_preempt19-21ksoftirqd/120:09:371
10050490,0irq/346-48484000-21swapper/000:18:560
81480,0rcu_preempt19-21ksoftirqd/120:19:121
10050480,0irq/346-484840023855-21ssh00:28:461
10050480,0irq/346-484840017247-21ping19:43:111
81470,0rcu_preempt844-21kworker/0:120:05:440
81470,0rcu_preempt3-21ksoftirqd/023:27:460
81470,0rcu_preempt3-21ksoftirqd/019:09:260
81470,0rcu_preempt3-21ksoftirqd/000:34:120
81470,0rcu_preempt19-21ksoftirqd/119:34:481
81470,0rcu_preempt19-21ksoftirqd/119:30:221
10050470,0irq/346-48484004927-21ssh00:09:250
10050470,0irq/346-4848400189072sleep000:23:430
81460,0rcu_preempt3-21ksoftirqd/020:53:050
81460,0rcu_preempt19-21ksoftirqd/119:45:251
81460,0rcu_preempt19-21ksoftirqd/119:09:271
81460,0rcu_preempt19-21ksoftirqd/119:04:271
10050460,0irq/346-484840022419-1kworker/1:2H23:21:231
81450,0rcu_preempt3-21ksoftirqd/020:17:410
81450,0rcu_preempt19-21ksoftirqd/119:27:191
81450,0rcu_preempt19-21ksoftirqd/119:19:311
81440,0rcu_preempt3-21ksoftirqd/020:24:390
81440,0rcu_preempt3-21ksoftirqd/020:24:390
81440,0rcu_preempt19687-21diskstats21:04:270
81440,0rcu_preempt19-21ksoftirqd/122:14:121
81440,0rcu_preempt19-21ksoftirqd/120:07:221
81440,0rcu_preempt19-21ksoftirqd/119:58:501
81430,0rcu_preempt17407-1kworker/1:0H20:59:291
81430,0rcu_preempt17247-21ping19:24:280
81420,0rcu_preempt19-21ksoftirqd/120:44:371
81420,0rcu_preempt19-21ksoftirqd/119:59:371
81410,0rcu_preempt24145-21df19:39:270
81410,0rcu_preempt19-21ksoftirqd/120:57:311
13956994114,0cyclictest0-21swapper/019:29:320
10050410,0irq/346-484840016023-21latency_hist20:54:120
81400,0rcu_preempt3-21ksoftirqd/019:34:250
81400,0rcu_preempt19-21ksoftirqd/120:49:391
81400,0rcu_preempt19-21ksoftirqd/120:34:121
81400,0rcu_preempt14942-21kworker/u4:119:49:311
81400,0rcu_preempt14942-21kworker/u4:119:49:311
81390,0rcu_preempt19-21ksoftirqd/121:04:391
81390,0rcu_preempt19-21ksoftirqd/120:39:261
81380,0rcu_preempt19-21ksoftirqd/119:19:111
81370,0rcu_preempt19-21ksoftirqd/120:33:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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