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2026-01-16 - 15:31
[ 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 Fri Jan 16, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81760,0rcu_preempt54-21kswapd012:38:251
81760,0rcu_preempt19-21ksoftirqd/112:15:031
81760,0rcu_preempt19-21ksoftirqd/112:15:031
81730,0rcu_preempt54-21kswapd010:17:510
81730,0rcu_preempt19-21ksoftirqd/111:44:291
81730,0rcu_preempt19-21ksoftirqd/111:44:291
81710,0rcu_preempt7441-21php-cgi11:24:550
81700,0rcu_preempt54-21kswapd012:14:260
81700,0rcu_preempt31104-21cyclictest12:00:140
81700,0rcu_preempt19-21ksoftirqd/112:22:271
81680,0rcu_preempt19-21ksoftirqd/110:36:581
10050680,0irq/346-484840019-21ksoftirqd/110:09:201
81670,0rcu_preempt3-21ksoftirqd/012:38:200
10050670,0irq/346-484840054-21kswapd012:04:151
81650,0rcu_preempt851-21rngd10:28:440
81640,0rcu_preempt19-21ksoftirqd/111:07:231
81640,0rcu_preempt19-21ksoftirqd/108:40:191
81640,0rcu_preempt17520-21meminfo08:05:171
81630,0rcu_preempt3549-21ls11:19:551
81630,0rcu_preempt19-21ksoftirqd/109:49:071
81630,0rcu_preempt19-21ksoftirqd/109:23:231
10050630,0irq/346-484840031930-21ssh11:50:051
81620,0rcu_preempt19-21ksoftirqd/111:25:001
81620,0rcu_preempt19-21ksoftirqd/111:10:061
81620,0rcu_preempt19-21ksoftirqd/109:52:371
9950610,0irq/345-4848400181ktimersoftd/110:46:061
81610,0rcu_preempt3-21ksoftirqd/011:12:230
81610,0rcu_preempt3-21ksoftirqd/009:48:350
81610,0rcu_preempt19-21ksoftirqd/107:23:091
81610,0rcu_preempt19-21ksoftirqd/107:23:091
10050610,0irq/346-484840023894-21ssh09:27:411
10050600,0irq/346-48484003320-21ssh11:19:461
9950590,0irq/345-48484003-21ksoftirqd/010:04:360
10050590,0irq/346-48484008598-21ssh12:32:161
81580,0rcu_preempt3-21ksoftirqd/011:56:040
81580,0rcu_preempt19-21ksoftirqd/112:28:101
81580,0rcu_preempt19-21ksoftirqd/110:51:501
81560,0rcu_preempt3-21ksoftirqd/011:20:560
81560,0rcu_preempt3-21ksoftirqd/010:50:050
81560,0rcu_preempt3-21ksoftirqd/009:59:540
81560,0rcu_preempt19-21ksoftirqd/110:41:481
9950550,0irq/345-48484000-21swapper/012:09:030
9950550,0irq/345-48484000-21swapper/009:11:040
81550,0rcu_preempt3-21ksoftirqd/009:40:100
81550,0rcu_preempt3-21ksoftirqd/008:30:060
81550,0rcu_preempt3-21ksoftirqd/008:14:540
81550,0rcu_preempt24439-1kworker/0:2H11:45:180
81550,0rcu_preempt19-21ksoftirqd/111:55:531
9950540,0irq/345-48484000-21swapper/011:17:340
9950540,0irq/345-48484000-21swapper/010:11:460
81540,0rcu_preempt54-21kswapd011:40:050
81540,0rcu_preempt54-21kswapd011:40:050
81540,0rcu_preempt3-21ksoftirqd/011:50:200
81540,0rcu_preempt3-21ksoftirqd/010:55:160
81540,0rcu_preempt3-21ksoftirqd/010:48:480
81540,0rcu_preempt19-21ksoftirqd/110:55:451
81540,0rcu_preempt19-21ksoftirqd/109:58:061
81540,0rcu_preempt0-21swapper/110:30:521
10050540,0irq/346-484840027541-21ssh10:04:431
10050540,0irq/346-484840026929-1kworker/0:2H10:40:020
9950530,0irq/345-4848400499-1kworker/1:1H09:39:231
9950530,0irq/345-48484000-21swapper/012:33:380
81530,0rcu_preempt3393-21ssh09:40:051
81530,0rcu_preempt3-21ksoftirqd/011:00:000
81530,0rcu_preempt3-21ksoftirqd/010:05:060
81530,0rcu_preempt3-21ksoftirqd/009:05:050
81530,0rcu_preempt3-21ksoftirqd/008:55:120
81520,0rcu_preempt3-21ksoftirqd/011:35:190
81520,0rcu_preempt3-21ksoftirqd/011:09:260
81520,0rcu_preempt3-21ksoftirqd/009:50:050
81520,0rcu_preempt0-21swapper/112:13:271
9950510,0irq/345-484840028038-1kworker/1:3H09:32:571
9950510,0irq/345-4848400171rcuc/111:00:151
9950510,0irq/345-48484001154-1kworker/1:0H11:31:501
81510,0rcu_preempt3-21ksoftirqd/012:25:040
81510,0rcu_preempt3-21ksoftirqd/012:20:340
81510,0rcu_preempt3-21ksoftirqd/011:30:040
81510,0rcu_preempt3-21ksoftirqd/009:25:200
81510,0rcu_preempt3-21ksoftirqd/008:45:140
81510,0rcu_preempt3-21ksoftirqd/008:20:050
81510,0rcu_preempt3-21ksoftirqd/008:00:190
10050510,0irq/346-4848400851-21rngd10:38:540
10050510,0irq/346-48484007685-1kworker/1:1H10:17:041
10050510,0irq/346-484840018549-21sh10:28:011
9950500,0irq/345-48484007685-1kworker/1:1H10:21:331
81500,0rcu_preempt3-21ksoftirqd/012:15:040
81500,0rcu_preempt3-21ksoftirqd/012:15:040
81500,0rcu_preempt3-21ksoftirqd/008:40:090
81500,0rcu_preempt3-21ksoftirqd/008:25:070
81500,0rcu_preempt3-21ksoftirqd/008:05:110
81500,0rcu_preempt3-21ksoftirqd/007:20:040
81500,0rcu_preempt3-21ksoftirqd/007:20:040
81500,0rcu_preempt19-21ksoftirqd/110:10:111
81500,0rcu_preempt19-21ksoftirqd/108:20:161
10050500,0irq/346-484840054-21kswapd010:34:530
9950490,0irq/345-484840016425-1kworker/1:3H12:09:061
81490,0rcu_preempt3-21ksoftirqd/010:21:110
81490,0rcu_preempt3-21ksoftirqd/009:35:030
81490,0rcu_preempt3-21ksoftirqd/009:20:030
81490,0rcu_preempt3-21ksoftirqd/009:15:110
81490,0rcu_preempt3-21ksoftirqd/009:00:180
81490,0rcu_preempt3-21ksoftirqd/008:10:140
81490,0rcu_preempt14909-21ping08:27:301
9950480,0irq/345-48484008722-21apt-get07:40:041
9950480,0irq/345-48484003818-1kworker/1:1H09:13:031
81470,0rcu_preempt54-21kswapd009:18:021
81470,0rcu_preempt19-21ksoftirqd/108:17:491
81470,0rcu_preempt19-21ksoftirqd/108:10:211
81470,0rcu_preempt19-21ksoftirqd/107:46:501
81460,0rcu_preempt3-21ksoftirqd/007:55:060
81460,0rcu_preempt3-21ksoftirqd/007:55:060
81460,0rcu_preempt19-21ksoftirqd/107:50:031
81450,0rcu_preempt3-21ksoftirqd/007:10:130
81450,0rcu_preempt24676-1kworker/0:0H08:35:150
81450,0rcu_preempt19-21ksoftirqd/108:50:111
81450,0rcu_preempt19-21ksoftirqd/107:26:471
81450,0rcu_preempt19-21ksoftirqd/107:26:471
10050450,0irq/346-48484002156-1kworker/1:2H08:59:141
81440,0rcu_preempt3-21ksoftirqd/007:05:060
81440,0rcu_preempt31752-21apt-get08:50:030
81440,0rcu_preempt19-21ksoftirqd/108:00:051
10050440,0irq/346-48484001994-21ping07:35:270
81430,0rcu_preempt7775-21kworker/0:107:41:530
81430,0rcu_preempt54-21kswapd007:36:171
81430,0rcu_preempt3-21ksoftirqd/009:32:570
81430,0rcu_preempt19-21ksoftirqd/109:00:041
81430,0rcu_preempt19-21ksoftirqd/107:31:041
81430,0rcu_preempt12712-21ps07:50:160
81430,0rcu_preempt0-21swapper/111:35:501
81420,0rcu_preempt19-21ksoftirqd/111:45:581
81420,0rcu_preempt19-21ksoftirqd/107:19:551
81410,0rcu_preempt650-21diskstats07:15:080
81410,0rcu_preempt30103-21munin-node1
81410,0rcu_preempt0-21swapper/007:29:550
81400,0rcu_preempt54-21kswapd007:25:070
81400,0rcu_preempt54-21kswapd007:25:070
81400,0rcu_preempt19-21ksoftirqd/108:30:121
81400,0rcu_preempt19-21ksoftirqd/107:58:181
81400,0rcu_preempt19-21ksoftirqd/107:58:181
81390,0rcu_preempt0-21swapper/109:09:281
81380,0rcu_preempt3-21ksoftirqd/007:48:010
81370,0rcu_preempt19-21ksoftirqd/108:35:191
81370,0rcu_preempt19-21ksoftirqd/107:05:131
81360,0rcu_preempt19-21ksoftirqd/107:10:051
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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