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2026-02-19 - 09:20
[ 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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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 Thu Feb 19, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81720,0rcu_preempt3-21ksoftirqd/023:59:440
10050710,0irq/346-4848400171rcuc/121:55:281
81670,0rcu_preempt3-21ksoftirqd/022:11:090
81670,0rcu_preempt17620-21ssh00:12:331
81660,0rcu_preempt3-21ksoftirqd/022:18:520
10050650,0irq/346-4848400171rcuc/123:02:471
81640,0rcu_preempt3-21ksoftirqd/022:30:570
10050640,0irq/346-48484006819-1kworker/0:1H22:28:370
81630,0rcu_preempt3-21ksoftirqd/022:39:260
10050630,0irq/346-4848400181ktimersoftd/123:43:391
10050630,0irq/346-4848400171rcuc/122:14:471
81620,0rcu_preempt3-21ksoftirqd/023:22:280
81620,0rcu_preempt3-21ksoftirqd/019:59:380
81620,0rcu_preempt19-21ksoftirqd/123:59:381
10050620,0irq/346-4848400171rcuc/121:23:171
9950610,0irq/345-484840081rcu_preempt22:14:061
9950610,0irq/345-4848400171rcuc/123:16:231
9950610,0irq/345-4848400171rcuc/122:42:221
9950610,0irq/345-4848400171rcuc/121:53:461
9950600,0irq/345-4848400171rcuc/100:28:101
81600,0rcu_preempt0-21swapper/100:32:021
10050600,0irq/346-484840029824-21rm23:52:480
10050600,0irq/346-4848400171rcuc/123:49:031
9950590,0irq/345-4848400171rcuc/119:44:221
81590,0rcu_preempt19-21ksoftirqd/122:04:241
10050590,0irq/346-4848400181ktimersoftd/122:44:501
10050590,0irq/346-484840011460-21sendmail-msp21:59:360
81580,0rcu_preempt3-21ksoftirqd/022:52:170
81580,0rcu_preempt3-21ksoftirqd/020:14:220
81580,0rcu_preempt27119-1kworker/0:0H22:46:500
81580,0rcu_preempt19-21ksoftirqd/120:29:511
10050580,0irq/346-484840019484-21ssh21:34:471
10050580,0irq/346-484840016662-21ssh22:04:240
10050580,0irq/346-48484000-21swapper/023:01:300
10050580,0irq/346-48484000-21swapper/021:14:180
9950570,0irq/345-484840032312-21ssh22:19:410
9950570,0irq/345-4848400181ktimersoftd/121:12:121
9950570,0irq/345-4848400171rcuc/100:05:061
81570,0rcu_preempt54-21kswapd021:44:070
81570,0rcu_preempt3-21ksoftirqd/023:16:530
81570,0rcu_preempt0-21swapper/023:06:420
81570,0rcu_preempt0-21swapper/023:06:420
10050570,0irq/346-4848400181ktimersoftd/123:27:571
10050570,0irq/346-484840014819-21if_eth300:09:430
10050570,0irq/346-48484000-21swapper/021:48:470
10050570,0irq/346-48484000-21swapper/021:38:380
9950560,0irq/345-4848400181ktimersoftd/121:18:261
9950560,0irq/345-4848400171rcuc/123:58:331
9950560,0irq/345-4848400171rcuc/123:21:341
9950560,0irq/345-4848400171rcuc/122:20:191
10050560,0irq/346-484840054-21kswapd021:59:321
10050560,0irq/346-48484004052-21munin-node0
9950550,0irq/345-4848400181ktimersoftd/123:50:221
9950550,0irq/345-4848400181ktimersoftd/123:36:301
9950550,0irq/345-4848400171rcuc/121:25:051
9950550,0irq/345-4848400171rcuc/120:59:361
81550,0rcu_preempt3-21ksoftirqd/023:25:390
81550,0rcu_preempt19-21ksoftirqd/123:12:121
81550,0rcu_preempt19-21ksoftirqd/120:13:201
10050550,0irq/346-48484005948-21ssh22:57:240
10050550,0irq/346-48484000-21swapper/023:13:560
9950540,0irq/345-484840021718-1kworker/0:0H00:19:220
9950540,0irq/345-4848400181ktimersoftd/122:52:371
9950540,0irq/345-4848400171rcuc/123:33:171
9950540,0irq/345-4848400171rcuc/119:19:371
9950540,0irq/345-4848400171rcuc/100:23:221
81540,0rcu_preempt3-21ksoftirqd/019:54:420
81540,0rcu_preempt3-21ksoftirqd/000:38:560
81540,0rcu_preempt3-21ksoftirqd/000:24:360
81540,0rcu_preempt19-21ksoftirqd/120:14:351
10050540,0irq/346-48484006099-21ssh21:54:050
10050540,0irq/346-484840054-21kswapd022:57:071
10050540,0irq/346-484840054-21kswapd020:19:350
10050540,0irq/346-4848400181ktimersoftd/123:04:371
10050540,0irq/346-4848400181ktimersoftd/123:04:371
10050540,0irq/346-48484001357-21ssh23:56:200
9950530,0irq/345-4848400171rcuc/121:33:051
81530,0rcu_preempt3-21ksoftirqd/020:49:420
81530,0rcu_preempt3-21ksoftirqd/019:49:330
10050530,0irq/346-484840054-21kswapd022:33:171
10050530,0irq/346-484840013222-1kworker/0:2H23:39:510
9950520,0irq/345-48484000-21swapper/020:25:030
81520,0rcu_preempt19-21ksoftirqd/100:34:541
10050520,0irq/346-48484002633-21diskstats19:59:411
10050520,0irq/346-48484001046-1kworker/0:1H21:21:450
10050520,0irq/346-48484000-21swapper/000:29:470
9950510,0irq/345-4848400181ktimersoftd/119:51:341
9950510,0irq/345-4848400171rcuc/122:28:211
9950510,0irq/345-48484000-21swapper/023:34:220
9950510,0irq/345-48484000-21swapper/000:19:360
81510,0rcu_preempt3-21ksoftirqd/022:34:370
81510,0rcu_preempt3-21ksoftirqd/019:04:400
10050510,0irq/346-484840020510-21munin-node0
10050510,0irq/346-484840017019-1kworker/1:0H22:37:281
9950500,0irq/345-484840022352-21chrt20:59:370
9950500,0irq/345-484840015585-21apt-get20:39:350
9950500,0irq/345-48484000-21swapper/021:31:200
81500,0rcu_preempt3-21ksoftirqd/021:14:460
81500,0rcu_preempt3-21ksoftirqd/021:04:350
81500,0rcu_preempt3-21ksoftirqd/020:29:380
81500,0rcu_preempt2106-21ping20:14:490
10050500,0irq/346-484840019804-21runrttasks19:14:020
10050500,0irq/346-48484001046-1kworker/0:1H21:24:530
9950490,0irq/345-48484006586-21apt-get21:54:330
9950490,0irq/345-48484000-21swapper/000:05:360
81490,0rcu_preempt54-21kswapd021:39:341
10050490,0irq/346-484840024516-1kworker/0:2H19:39:350
10050490,0irq/346-4848400181ktimersoftd/120:46:431
9950480,0irq/345-48484000-21swapper/119:39:231
9950480,0irq/345-48484000-21swapper/119:39:231
10050480,0irq/346-4848400851-21rngd23:45:250
10050480,0irq/346-484840019565-1kworker/0:2H19:14:390
10050480,0irq/346-484840019565-1kworker/0:2H19:14:390
10050480,0irq/346-484840011865-21ssh23:34:480
81460,0rcu_preempt19-21ksoftirqd/121:44:321
81460,0rcu_preempt19-21ksoftirqd/120:54:401
81460,0rcu_preempt19-21ksoftirqd/120:24:231
81460,0rcu_preempt19-21ksoftirqd/119:25:371
10050460,0irq/346-48484000-21swapper/100:18:161
9950450,0irq/345-48484003-21ksoftirqd/019:39:230
9950450,0irq/345-48484003-21ksoftirqd/019:39:230
9950450,0irq/345-484840021792-21aten_rapower_vo19:19:370
9950450,0irq/345-484840021517-21sendmail-msp19:19:231
9950450,0irq/345-484840021517-21sendmail-msp19:19:231
81450,0rcu_preempt19-21ksoftirqd/120:19:341
81450,0rcu_preempt19-21ksoftirqd/120:04:531
10050450,0irq/346-484840017462-21fschecks_count20:44:400
9950440,0irq/345-48484000-21swapper/119:34:221
81430,0rcu_preempt29874-21apt-get19:44:330
81430,0rcu_preempt19-21ksoftirqd/119:59:131
10050430,0irq/346-484840024537-21runrttasks19:26:430
81420,0rcu_preempt19-21ksoftirqd/120:39:351
81420,0rcu_preempt19-21ksoftirqd/119:44:451
81410,0rcu_preempt19-21ksoftirqd/120:34:331
81410,0rcu_preempt14597-21ntp_states20:34:460
81400,0rcu_preempt3-21ksoftirqd/019:29:550
81400,0rcu_preempt19-21ksoftirqd/119:05:081
81380,0rcu_preempt19-21ksoftirqd/121:08:081
81370,0rcu_preempt19-21ksoftirqd/119:13:341
81360,0rcu_preempt19-21ksoftirqd/120:50:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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