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2026-03-03 - 18:53
[ 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 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811120,0rcu_preempt3-21ksoftirqd/009:21:590
81990,0rcu_preempt3-21ksoftirqd/010:05:480
81970,0rcu_preempt3-21ksoftirqd/011:48:500
81950,0rcu_preempt3-21ksoftirqd/009:34:270
81940,0rcu_preempt3-21ksoftirqd/007:14:370
81850,0rcu_preempt3-21ksoftirqd/011:14:300
81810,0rcu_preempt3-21ksoftirqd/010:39:350
81770,0rcu_preempt3-21ksoftirqd/011:56:240
81770,0rcu_preempt3-21ksoftirqd/007:54:350
10050750,0irq/346-4848400181ktimersoftd/109:21:471
81740,0rcu_preempt54-21kswapd010:35:010
10050730,0irq/346-484840054-21kswapd010:06:401
81720,0rcu_preempt1528-1kworker/0:2H09:04:330
81720,0rcu_preempt1049-21avahi-daemon12:25:590
81710,0rcu_preempt3-21ksoftirqd/007:59:220
81700,0rcu_preempt3-21ksoftirqd/007:39:290
81680,0rcu_preempt3-21ksoftirqd/009:40:430
10050670,0irq/346-484840054-21kswapd009:15:310
9950650,0irq/345-4848400181ktimersoftd/109:48:511
81650,0rcu_preempt3-21ksoftirqd/010:14:290
81650,0rcu_preempt0-21swapper/010:57:520
10050640,0irq/346-484840054-21kswapd012:37:040
10050640,0irq/346-484840019501-21ssh11:04:100
9950630,0irq/345-484840021243-1kworker/0:1H12:15:200
81630,0rcu_preempt3-21ksoftirqd/012:19:210
81630,0rcu_preempt3-21ksoftirqd/012:11:350
81630,0rcu_preempt3-21ksoftirqd/012:11:350
81630,0rcu_preempt3-21ksoftirqd/009:54:390
81630,0rcu_preempt16981-21kworker/0:012:32:200
81620,0rcu_preempt3-21ksoftirqd/011:20:350
10050620,0irq/346-4848400851-21rngd10:00:300
10050620,0irq/346-484840054-21kswapd011:38:511
9950610,0irq/345-4848400181ktimersoftd/112:07:331
81610,0rcu_preempt3434-21diskmemload11:49:271
81610,0rcu_preempt3-21ksoftirqd/010:30:210
81610,0rcu_preempt31970-21kworker/0:212:04:360
10050610,0irq/346-48484009807-1kworker/0:0H10:22:390
10050610,0irq/346-4848400851-21rngd11:33:000
10050610,0irq/346-484840027924-21ssh12:18:141
9950600,0irq/345-48484002885399cyclictest09:52:341
81600,0rcu_preempt6360-21kworker/0:110:27:230
81600,0rcu_preempt3-21ksoftirqd/011:24:220
81600,0rcu_preempt3-21ksoftirqd/010:49:280
81600,0rcu_preempt3-21ksoftirqd/008:19:420
81600,0rcu_preempt23388-21kworker/0:111:10:140
10050600,0irq/346-48484007667-1kworker/1:1H10:01:341
10050600,0irq/346-484840054-21kswapd011:26:581
10050600,0irq/346-484840054-21kswapd010:11:071
10050600,0irq/346-484840021861-1kworker/1:0H11:10:441
10050600,0irq/346-4848400181ktimersoftd/111:33:041
81590,0rcu_preempt0-21swapper/009:32:020
10050590,0irq/346-484840054-21kswapd010:24:161
10050590,0irq/346-484840054-21kswapd010:22:171
10050590,0irq/346-484840021109-1kworker/1:1H09:32:551
10050590,0irq/346-484840015166-21sh10:59:271
81580,0rcu_preempt5733-21apt-get09:44:210
81580,0rcu_preempt27418-21kworker/0:010:09:360
81580,0rcu_preempt20796-21kworker/0:008:54:330
81580,0rcu_preempt0-21swapper/009:52:480
10050580,0irq/346-484840054-21kswapd012:33:101
81570,0rcu_preempt3-21ksoftirqd/008:44:210
81570,0rcu_preempt3-21ksoftirqd/008:29:330
81570,0rcu_preempt0-21swapper/012:03:060
81570,0rcu_preempt0-21swapper/011:41:100
81570,0rcu_preempt0-21swapper/011:35:370
81570,0rcu_preempt0-21swapper/011:07:170
81570,0rcu_preempt0-21swapper/010:48:050
10050570,0irq/346-484840031721-1kworker/1:1H11:20:431
10050570,0irq/346-4848400181ktimersoftd/110:36:551
81560,0rcu_preempt3-21ksoftirqd/008:39:320
81560,0rcu_preempt3-21ksoftirqd/008:08:370
81560,0rcu_preempt3-21ksoftirqd/008:08:370
81560,0rcu_preempt0-21swapper/011:51:330
10050560,0irq/346-484840031155-1kworker/1:2H12:24:031
10050560,0irq/346-484840016315-1kworker/1:0H12:10:481
10050560,0irq/346-484840016315-1kworker/1:0H12:10:481
81550,0rcu_preempt3-21ksoftirqd/007:49:330
81550,0rcu_preempt13876-21kworker/0:209:26:400
10050550,0irq/346-484840054-21kswapd010:43:521
10050550,0irq/346-484840019067-1kworker/1:0H11:39:331
10050550,0irq/346-48484000-21swapper/109:39:141
81540,0rcu_preempt3-21ksoftirqd/009:13:140
81540,0rcu_preempt19-21ksoftirqd/110:49:291
81540,0rcu_preempt19-21ksoftirqd/108:54:301
81540,0rcu_preempt18950-21users08:14:400
81530,0rcu_preempt3-21ksoftirqd/008:50:040
10050530,0irq/346-484840016315-1kworker/1:0H12:25:031
10050530,0irq/346-484840013495-1kworker/1:2H12:39:001
10050530,0irq/346-484840011973-1kworker/1:1H10:58:241
81520,0rcu_preempt3-21ksoftirqd/008:59:270
10050520,0irq/346-48484003168-1kworker/1:2H09:11:211
10050520,0irq/346-48484003004-1kworker/1:2H10:14:251
10050520,0irq/346-484840026056-1kworker/1:0H09:35:591
10050520,0irq/346-484840018291-1kworker/1:0H09:57:301
81510,0rcu_preempt3-21ksoftirqd/008:09:290
81510,0rcu_preempt0-21swapper/008:34:330
10050510,0irq/346-484840054-21kswapd007:59:101
10050510,0irq/346-484840021861-1kworker/1:0H11:15:021
10050510,0irq/346-484840021109-1kworker/1:1H09:28:171
10050510,0irq/346-48484002099-1kworker/1:1H10:46:371
10050510,0irq/346-48484001476-1kworker/1:1H11:54:571
10050510,0irq/346-48484000-21swapper/107:19:281
81500,0rcu_preempt3-21ksoftirqd/007:19:270
81500,0rcu_preempt20796-21kworker/0:008:24:330
10050500,0irq/346-484840020127-21rm11:04:281
10050500,0irq/346-48484000-21swapper/111:46:041
10050490,0irq/346-484840024571-21wget08:34:221
81480,0rcu_preempt3-21ksoftirqd/007:04:350
81470,0rcu_preempt25327-21kworker/0:107:39:100
10050460,0irq/346-484840032132-21ping07:34:231
10050460,0irq/346-484840011120-21ssh12:00:351
10050460,0irq/346-484840010209-21ssh09:15:071
9950450,0irq/345-484840016527-21fw_packets08:09:261
10050450,0irq/346-48484000-21swapper/108:23:501
81440,0rcu_preempt25327-21kworker/0:107:09:230
9950430,0irq/345-484840032132-21ping07:34:111
81430,0rcu_preempt3-21ksoftirqd/007:48:410
81430,0rcu_preempt3-21ksoftirqd/007:48:410
10050430,0irq/346-484840022692-21munin-run08:29:101
81420,0rcu_preempt3-21ksoftirqd/007:29:320
10050420,0irq/346-48484000-21swapper/107:04:261
10050410,0irq/346-484840019024-1kworker/1:2H08:16:191
28852994012,0cyclictest0-21swapper/007:27:580
10050390,0irq/346-484840019677-21ssh10:30:411
81380,0rcu_preempt19-21ksoftirqd/107:39:271
81380,0rcu_preempt19-21ksoftirqd/107:24:471
10050380,0irq/346-48484000-21swapper/107:09:241
10050370,0irq/346-48484000-21swapper/109:04:271
81360,0rcu_preempt19-21ksoftirqd/107:44:241
81360,0rcu_preempt19-21ksoftirqd/107:44:241
10050360,0irq/346-484840012473-21ping08:03:221
10050360,0irq/346-48484000-21swapper/108:49:241
81350,0rcu_preempt19-21ksoftirqd/107:19:101
81340,0rcu_preempt0-21swapper/108:04:231
81340,0rcu_preempt0-21swapper/108:04:231
10050340,0irq/346-48484009704-21munin-node1
10050340,0irq/346-48484000-21swapper/108:39:221
10050320,0irq/346-48484001470-21runrttasks08:29:171
10050320,0irq/346-48484000-21swapper/109:00:531
10050320,0irq/346-48484000-21swapper/108:44:251
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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