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2026-02-23 - 10:43
[ 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 highest latencies:
System rackaslot5s.osadl.org (updated Mon Feb 23, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811040,0rcu_preempt19-21ksoftirqd/120:29:381
81990,0rcu_preempt19-21ksoftirqd/121:29:201
81990,0rcu_preempt19-21ksoftirqd/121:29:201
81910,0rcu_preempt851-21rngd19:32:111
81880,0rcu_preempt19-21ksoftirqd/122:34:071
81880,0rcu_preempt19-21ksoftirqd/121:37:221
81880,0rcu_preempt19-21ksoftirqd/100:35:271
81860,0rcu_preempt19-21ksoftirqd/100:33:541
81860,0rcu_preempt19-21ksoftirqd/100:33:541
81840,0rcu_preempt54-21kswapd022:17:131
81840,0rcu_preempt19-21ksoftirqd/121:46:111
81840,0rcu_preempt19-21ksoftirqd/120:14:381
81830,0rcu_preempt9926-21dropbear22:09:321
81830,0rcu_preempt19-21ksoftirqd/122:48:261
81830,0rcu_preempt19-21ksoftirqd/121:41:161
81830,0rcu_preempt19-21ksoftirqd/121:41:161
81820,0rcu_preempt54-21kswapd000:10:551
81820,0rcu_preempt19-21ksoftirqd/123:39:451
81810,0rcu_preempt19-21ksoftirqd/123:01:021
81800,0rcu_preempt19-21ksoftirqd/100:00:051
81780,0rcu_preempt20401-21kworker/1:122:03:011
81780,0rcu_preempt19-21ksoftirqd/121:27:211
81780,0rcu_preempt19-21ksoftirqd/100:27:391
81740,0rcu_preempt54-21kswapd022:41:361
81740,0rcu_preempt54-21kswapd021:11:501
81720,0rcu_preempt19-21ksoftirqd/121:51:461
81710,0rcu_preempt24321-21ping20:24:491
81710,0rcu_preempt24321-21ping20:24:491
81710,0rcu_preempt19-21ksoftirqd/123:48:411
81710,0rcu_preempt19-21ksoftirqd/123:23:061
10050710,0irq/346-48484001452-1kworker/0:2H23:09:210
81700,0rcu_preempt19-21ksoftirqd/123:10:421
81700,0rcu_preempt0-21swapper/123:07:311
81690,0rcu_preempt54-21kswapd021:16:271
81690,0rcu_preempt19-21ksoftirqd/100:23:201
10050690,0irq/346-484840026827-1kworker/0:0H22:27:390
10050690,0irq/346-48484000-21swapper/000:24:390
81670,0rcu_preempt3-21ksoftirqd/022:54:000
81670,0rcu_preempt19-21ksoftirqd/122:23:081
81660,0rcu_preempt19-21ksoftirqd/120:03:571
81650,0rcu_preempt54-21kswapd022:33:580
81650,0rcu_preempt19-21ksoftirqd/121:55:201
81630,0rcu_preempt8016-21cyclictest22:38:001
81620,0rcu_preempt28629-21ssh23:34:271
81620,0rcu_preempt19-21ksoftirqd/123:32:041
81620,0rcu_preempt19-21ksoftirqd/122:54:291
81620,0rcu_preempt19-21ksoftirqd/122:25:361
81620,0rcu_preempt19-21ksoftirqd/120:04:361
81610,0rcu_preempt3-21ksoftirqd/021:26:030
81610,0rcu_preempt19-21ksoftirqd/123:15:041
81610,0rcu_preempt19-21ksoftirqd/122:53:131
81610,0rcu_preempt19-21ksoftirqd/120:10:491
81610,0rcu_preempt19-21ksoftirqd/100:14:401
81610,0rcu_preempt19-21ksoftirqd/100:07:071
10050610,0irq/346-48484000-21swapper/022:44:410
81600,0rcu_preempt19-21ksoftirqd/121:04:411
81600,0rcu_preempt19-21ksoftirqd/120:49:451
81600,0rcu_preempt19-21ksoftirqd/120:20:541
10050590,0irq/346-484840026195-1kworker/0:1H23:38:110
81580,0rcu_preempt3-21ksoftirqd/023:01:450
81580,0rcu_preempt3-21ksoftirqd/019:09:190
81580,0rcu_preempt19-21ksoftirqd/119:58:331
81580,0rcu_preempt19-21ksoftirqd/119:58:331
81580,0rcu_preempt19119-21php-cgi23:24:361
81570,0rcu_preempt12255-21php-cgi20:59:351
81560,0rcu_preempt7041-21apt-get20:44:291
81560,0rcu_preempt19-21ksoftirqd/120:39:451
81560,0rcu_preempt19-21ksoftirqd/119:14:501
81560,0rcu_preempt15133-21diskmemload22:04:441
81560,0rcu_preempt14701-21ssh23:52:561
4350560,0irq/32-433000003-21ksoftirqd/019:39:330
81550,0rcu_preempt19-21ksoftirqd/121:19:421
81540,0rcu_preempt19-21ksoftirqd/123:54:401
10050540,0irq/346-484840024731-1kworker/0:3H21:51:400
10050540,0irq/346-484840011316-1kworker/0:0H23:25:390
81530,0rcu_preempt3-21ksoftirqd/000:29:460
81530,0rcu_preempt3-21ksoftirqd/000:29:460
10050530,0irq/346-484840054-21kswapd023:29:310
10050530,0irq/346-48484004971-1kworker/0:0H21:32:110
10050530,0irq/346-48484004971-1kworker/0:0H21:32:110
10050530,0irq/346-484840013593-1kworker/0:2H23:52:300
81520,0rcu_preempt19-21ksoftirqd/120:54:461
10050520,0irq/346-48484007095-1kworker/0:0H22:15:530
10050520,0irq/346-48484004263-1kworker/0:2H22:41:110
10050520,0irq/346-484840031123-1kworker/0:0H23:45:500
10050520,0irq/346-48484001452-1kworker/0:2H23:08:360
81510,0rcu_preempt3-21ksoftirqd/021:39:180
81510,0rcu_preempt14827-21kworker/0:221:44:310
10050510,0irq/346-48484007095-1kworker/0:0H22:20:230
81500,0rcu_preempt3-21ksoftirqd/019:04:300
81500,0rcu_preempt19-21ksoftirqd/120:34:371
81500,0rcu_preempt19-21ksoftirqd/119:28:141
81500,0rcu_preempt19-21ksoftirqd/119:28:141
81500,0rcu_preempt19-21ksoftirqd/119:19:451
10050500,0irq/346-4848400851-21rngd23:22:460
81490,0rcu_preempt3-21ksoftirqd/020:04:470
81490,0rcu_preempt19-21ksoftirqd/119:44:441
81490,0rcu_preempt19-21ksoftirqd/119:09:311
10050490,0irq/346-48484008167-21ssh22:07:370
81480,0rcu_preempt3-21ksoftirqd/020:04:190
81480,0rcu_preempt19-21ksoftirqd/119:49:461
10050480,0irq/346-484840017573-1kworker/0:1H21:54:200
81470,0rcu_preempt3-21ksoftirqd/000:39:180
81470,0rcu_preempt19-21ksoftirqd/119:34:511
10050470,0irq/346-4848400851-21rngd00:12:400
10050470,0irq/346-48484000-21swapper/023:42:050
81460,0rcu_preempt3-21ksoftirqd/022:54:300
81460,0rcu_preempt3-21ksoftirqd/020:14:190
10050460,0irq/346-48484000-21swapper/021:11:310
81450,0rcu_preempt3-21ksoftirqd/023:54:300
81450,0rcu_preempt3-21ksoftirqd/022:09:300
81450,0rcu_preempt19-21ksoftirqd/119:42:261
81440,0rcu_preempt3-21ksoftirqd/021:39:380
81440,0rcu_preempt3-21ksoftirqd/021:39:380
1599440,0migration/017475-21taskset19:35:000
81430,0rcu_preempt6376-21kworker/0:220:44:410
81430,0rcu_preempt3-21ksoftirqd/023:14:430
81430,0rcu_preempt3-21ksoftirqd/000:07:060
10050430,0irq/346-484840010763-21ssh00:21:190
10050420,0irq/346-484840054-21kswapd019:30:400
10050420,0irq/346-484840054-21kswapd000:17:090
10050420,0irq/346-484840010957-1kworker/0:2H19:19:380
10050420,0irq/346-48484000-21swapper/022:36:000
81410,0rcu_preempt3-21ksoftirqd/021:59:290
81410,0rcu_preempt3-21ksoftirqd/021:19:290
81410,0rcu_preempt3-21ksoftirqd/021:17:490
10050410,0irq/346-484840013593-1kworker/0:2H00:00:560
81400,0rcu_preempt3-21ksoftirqd/020:24:390
81400,0rcu_preempt3-21ksoftirqd/020:24:390
10050400,0irq/346-48484008219-1kworker/0:0H20:49:400
10050400,0irq/346-48484006440-21sshd20:39:470
9950390,0irq/345-48484000-21swapper/020:59:310
81390,0rcu_preempt3-21ksoftirqd/020:14:400
81390,0rcu_preempt3-21ksoftirqd/019:24:190
81390,0rcu_preempt3-21ksoftirqd/019:24:190
13250390,0irq/301-48020000-21swapper/020:34:310
10050390,0irq/346-48484000-21swapper/019:55:500
10050390,0irq/346-48484000-21swapper/019:55:500
81380,0rcu_preempt3-21ksoftirqd/021:04:330
81380,0rcu_preempt3-21ksoftirqd/020:19:400
81380,0rcu_preempt3-21ksoftirqd/019:44:440
801899382,0cyclictest0-21swapper/020:30:490
9950370,0irq/345-48484000-21swapper/119:04:321
81370,0rcu_preempt3-21ksoftirqd/020:54:320
81360,0rcu_preempt3-21ksoftirqd/019:49:450
81350,0rcu_preempt3-21ksoftirqd/019:14:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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