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2026-02-02 - 09:14
[ 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 #3, 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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  Eltec
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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 rack3slot5s.osadl.org (updated Mon Feb 02, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
710921290sleep11549750irq/29-eth0_g0_22:18:441
457521060sleep11549850irq/30-eth0_g0_00:19:211
457521060sleep11549850irq/30-eth0_g0_00:19:211
22402880sleep01549850irq/30-eth0_g0_21:58:590
121830ksoftirqd/11549850irq/30-eth0_g0_21:28:501
121830ksoftirqd/11549850irq/30-eth0_g0_21:28:501
121810ksoftirqd/11549850irq/30-eth0_g0_22:39:040
315032770sleep01549850irq/30-eth0_g0_23:57:460
146282650sleep11549750irq/29-eth0_g0_20:29:241
250742590sleep11549850irq/30-eth0_g0_21:13:561
316022510sleep11549750irq/29-eth0_g0_23:58:571
58272500sleep11549750irq/29-eth0_g0_22:13:021
121500ksoftirqd/11549850irq/30-eth0_g0_23:37:111
121490ksoftirqd/11549850irq/30-eth0_g0_00:03:561
1549750480irq/29-eth0_g0_27424-21ntp_kernel_err19:09:220
121480ksoftirqd/11549850irq/30-eth0_g0_00:34:190
286252460sleep01549750irq/29-eth0_g0_21:27:250
286252460sleep01549750irq/29-eth0_g0_21:27:250
121460ksoftirqd/11549850irq/30-eth0_g0_00:04:411
121450ksoftirqd/11549850irq/30-eth0_g0_22:53:101
121450ksoftirqd/11549850irq/30-eth0_g0_21:41:090
121440ksoftirqd/11549850irq/30-eth0_g0_23:44:161
121440ksoftirqd/11549850irq/30-eth0_g0_22:00:291
121440ksoftirqd/11549750irq/29-eth0_g0_22:54:481
121440ksoftirqd/11549750irq/29-eth0_g0_22:54:481
121440ksoftirqd/11549750irq/29-eth0_g0_22:37:211
121440ksoftirqd/11549750irq/29-eth0_g0_20:22:411
1549750430irq/29-eth0_g0_26951-21latencyplot19:09:050
1549750430irq/29-eth0_g0_165782sleep022:55:010
1549750430irq/29-eth0_g0_165782sleep022:55:010
121430ksoftirqd/11549750irq/29-eth0_g0_20:36:571
1549850420irq/30-eth0_g0_23875-21chrt23:24:271
1549850420irq/30-eth0_g0_15495-21kworker/1:023:49:471
1549850420irq/30-eth0_g0_15495-21kworker/1:023:09:391
1549850420irq/30-eth0_g0_15495-21kworker/1:021:21:041
1549750420irq/29-eth0_g0_31ksoftirqd/020:14:240
121420ksoftirqd/11549850irq/30-eth0_g0_21:19:270
121420ksoftirqd/11549750irq/29-eth0_g0_20:00:241
2695799411cyclictest27191-21df_abs19:09:171
1549750410irq/29-eth0_g0_121ksoftirqd/100:34:211
121410ksoftirqd/11549750irq/29-eth0_g0_22:39:251
1549850400irq/30-eth0_g0_31ksoftirqd/022:28:520
1549850400irq/30-eth0_g0_15495-21kworker/1:023:07:051
1549750400irq/29-eth0_g0_7107-21latency19:59:190
1549750400irq/29-eth0_g0_1988-21runrttasks23:13:220
1549750400irq/29-eth0_g0_13-21kworker/0:123:19:320
1549750400irq/29-eth0_g0_13-21kworker/0:122:49:150
1549750400irq/29-eth0_g0_13-21kworker/0:122:05:550
1549750400irq/29-eth0_g0_13-21kworker/0:121:50:070
1549750400irq/29-eth0_g0_13-21kworker/0:121:14:250
1549750400irq/29-eth0_g0_13-21kworker/0:100:19:170
1549750400irq/29-eth0_g0_13-21kworker/0:100:19:170
1549750400irq/29-eth0_g0_121ksoftirqd/122:42:440
1549750400irq/29-eth0_g0_121ksoftirqd/100:06:490
34662390sleep01549750irq/29-eth0_g0_22:04:010
302152390sleep01549750irq/29-eth0_g0_23:52:020
2695799392cyclictest30179-21grep19:19:261
2695799391cyclictest21360-21unixbench_singl23:14:261
2695799391cyclictest10366-21head22:29:251
1549850390irq/30-eth0_g0_26247-21/usr/sbin/munin19:04:231
1549850390irq/30-eth0_g0_15495-21kworker/1:022:08:161
1549850390irq/30-eth0_g0_15495-21kworker/1:021:49:001
1549850390irq/30-eth0_g0_15495-21kworker/1:021:49:001
1549850390irq/30-eth0_g0_15495-21kworker/1:021:37:551
1549850390irq/30-eth0_g0_121ksoftirqd/121:31:131
1549850390irq/30-eth0_g0_0-21swapper/100:24:351
1549750390irq/29-eth0_g0_31ksoftirqd/021:04:210
1549750390irq/29-eth0_g0_31ksoftirqd/020:08:160
1549750390irq/29-eth0_g0_13-21kworker/0:121:13:420
1549750390irq/29-eth0_g0_13-21kworker/0:100:28:480
121390ksoftirqd/11549850irq/30-eth0_g0_23:03:030
121390ksoftirqd/11549850irq/30-eth0_g0_20:10:020
121390ksoftirqd/11549750irq/29-eth0_g0_00:29:340
121390ksoftirqd/11549750irq/29-eth0_g0_00:09:181
2695799381cyclictest3844-21sed19:44:261
2695799381cyclictest221422sleep123:19:181
1549850380irq/30-eth0_g0_31ksoftirqd/023:34:180
1549850380irq/30-eth0_g0_15495-21kworker/1:023:33:081
1549850380irq/30-eth0_g0_15495-21kworker/1:021:51:491
1549850380irq/30-eth0_g0_13588-21cat22:44:191
1549850380irq/30-eth0_g0_0-21swapper/121:16:441
1549750380irq/29-eth0_g0_282662sleep019:14:150
1549750380irq/29-eth0_g0_13-21kworker/0:123:33:590
1549750380irq/29-eth0_g0_13-21kworker/0:122:18:340
1549750380irq/29-eth0_g0_121ksoftirqd/122:22:000
1549750380irq/29-eth0_g0_121ksoftirqd/122:22:000
1549750380irq/29-eth0_g0_0-21swapper/000:18:180
121380ksoftirqd/11549850irq/30-eth0_g0_21:01:310
121380ksoftirqd/11549750irq/29-eth0_g0_21:57:381
2695799372cyclictest7300-21df22:19:171
2695799372cyclictest7300-21df22:19:171
2695799372cyclictest3092-21grep00:14:161
2695799371cyclictest309392sleep119:24:181
2695799371cyclictest309392sleep119:24:181
1549750370irq/29-eth0_g0_2695799cyclictest20:44:221
1549750370irq/29-eth0_g0_23830-21sed23:24:270
1549750370irq/29-eth0_g0_13-21kworker/0:123:44:260
1549750370irq/29-eth0_g0_13-21kworker/0:123:15:580
1549750370irq/29-eth0_g0_13-21kworker/0:123:08:190
1549750370irq/29-eth0_g0_13-21kworker/0:122:44:080
1549750370irq/29-eth0_g0_13-21kworker/0:122:30:450
1549750370irq/29-eth0_g0_13-21kworker/0:121:36:180
1549750370irq/29-eth0_g0_13-21kworker/0:100:02:510
121370ksoftirqd/11549850irq/30-eth0_g0_22:10:570
121370ksoftirqd/11549850irq/30-eth0_g0_00:09:230
2695799362cyclictest306482sleep121:39:121
2695799361cyclictest8322-21latency20:04:191
2695799361cyclictest2216-21cat19:39:191
2695799361cyclictest10833-21cat20:14:201
1549850360irq/30-eth0_g0_15495-21kworker/1:023:41:001
1549850360irq/30-eth0_g0_15495-21kworker/1:022:26:171
1549750360irq/29-eth0_g0_21446-21taskset20:59:050
1549750360irq/29-eth0_g0_1988-21runrttasks19:53:130
1549750360irq/29-eth0_g0_18379-21find20:44:250
1549750360irq/29-eth0_g0_13-21kworker/0:121:45:110
1549750360irq/29-eth0_g0_13-21kworker/0:121:45:110
1549750360irq/29-eth0_g0_1167-21ps19:34:240
1549750360irq/29-eth0_g0_1167-21ps19:34:240
121360ksoftirqd/11549750irq/29-eth0_g0_21:00:061
2695799356cyclictest1549850irq/30-eth0_g0_23:00:331
2695799351cyclictest6001-21chrt19:54:211
2695799351cyclictest0-21swapper/119:35:301
2695799351cyclictest0-21swapper/119:35:301
2695799351cyclictest0-21swapper/119:29:071
2695799351cyclictest0-21swapper/119:29:071
1549750350irq/29-eth0_g0_3704-21taskset19:44:240
1549750350irq/29-eth0_g0_31844-21latency_hist19:29:050
1549750350irq/29-eth0_g0_31844-21latency_hist19:29:050
1549750350irq/29-eth0_g0_29578-21chrt21:29:260
1549750350irq/29-eth0_g0_29557-21df_abs19:19:160
1549750350irq/29-eth0_g0_26873-21df_abs23:39:140
1549750350irq/29-eth0_g0_1988-21runrttasks20:49:260
1549750350irq/29-eth0_g0_1988-21runrttasks20:39:260
1549750350irq/29-eth0_g0_1988-21runrttasks20:39:260
1549750350irq/29-eth0_g0_1988-21runrttasks20:35:470
1549750350irq/29-eth0_g0_1988-21runrttasks20:21:410
1549750350irq/29-eth0_g0_121ksoftirqd/100:29:091
121350ksoftirqd/11549750irq/29-eth0_g0_20:14:051
121350ksoftirqd/11549750irq/29-eth0_g0_19:54:051
2695799341cyclictest1988-21runrttasks19:17:431
2695799341cyclictest16785-21chrt20:39:181
2695799341cyclictest16785-21chrt20:39:181
2695799341cyclictest13016-21sed20:24:171
2695799341cyclictest0-21swapper/120:53:401
1549750340irq/29-eth0_g0_32196-21sort19:29:200
1549750340irq/29-eth0_g0_32196-21sort19:29:200
1549750340irq/29-eth0_g0_3089-21latency_hist19:44:050
1549750340irq/29-eth0_g0_1988-21runrttasks20:24:070
1549750340irq/29-eth0_g0_1988-21runrttasks19:54:310
1549750340irq/29-eth0_g0_14755-21sort20:29:260
1549850330irq/30-eth0_g0_20532-21cat20:54:191
2695799311cyclictest0-21swapper/121:05:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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