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2026-02-25 - 23:10
[ 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 792 highest latencies:
System rack3slot5s.osadl.org (updated Wed Feb 25, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1767121540sleep01549850irq/30-eth0_g0_10:25:450
363221250sleep01549750irq/29-eth0_g0_11:41:040
121850ksoftirqd/11549750irq/29-eth0_g0_11:04:510
121840ksoftirqd/11549850irq/30-eth0_g0_10:18:240
11482840sleep01549750irq/29-eth0_g0_11:30:590
121830ksoftirqd/1169782sleep012:34:380
121800ksoftirqd/11549850irq/30-eth0_g0_11:03:381
121790ksoftirqd/11549850irq/30-eth0_g0_08:19:441
93662750sleep11549850irq/30-eth0_g0_07:38:331
121650ksoftirqd/142782sleep009:31:280
121610ksoftirqd/11549850irq/30-eth0_g0_12:08:221
121600ksoftirqd/1191292chrt08:18:320
140922590sleep11549850irq/30-eth0_g0_07:58:291
316312520sleep01549750irq/29-eth0_g0_09:09:220
121500ksoftirqd/11549850irq/30-eth0_g0_11:26:410
121500ksoftirqd/11549850irq/30-eth0_g0_10:16:191
121500ksoftirqd/11549750irq/29-eth0_g0_10:01:240
121470ksoftirqd/11549850irq/30-eth0_g0_10:38:081
1549850460irq/30-eth0_g0_15092-21seq12:28:231
1549750450irq/29-eth0_g0_1988-21runrttasks07:03:250
121450ksoftirqd/11549750irq/29-eth0_g0_10:46:160
96802440sleep01549750irq/29-eth0_g0_12:05:100
96802440sleep01549750irq/29-eth0_g0_12:05:100
1549750440irq/29-eth0_g0_32512-21proc_pri09:13:340
121440ksoftirqd/11549750irq/29-eth0_g0_12:04:041
121440ksoftirqd/11549750irq/29-eth0_g0_12:04:041
121440ksoftirqd/11549750irq/29-eth0_g0_09:33:121
121440ksoftirqd/11549750irq/29-eth0_g0_09:08:131
1549850430irq/30-eth0_g0_15495-21kworker/1:011:42:311
1549850430irq/30-eth0_g0_15495-21kworker/1:010:01:061
1549750430irq/29-eth0_g0_31ksoftirqd/011:48:400
121430ksoftirqd/11549850irq/30-eth0_g0_10:26:251
121430ksoftirqd/11549850irq/30-eth0_g0_10:12:041
1549850420irq/30-eth0_g0_15495-21kworker/1:012:27:351
1549850420irq/30-eth0_g0_15495-21kworker/1:012:19:041
1549750420irq/29-eth0_g0_13-21kworker/0:109:38:120
121420ksoftirqd/11549750irq/29-eth0_g0_11:33:161
121420ksoftirqd/11549750irq/29-eth0_g0_10:23:131
121420ksoftirqd/11549750irq/29-eth0_g0_10:05:001
121420ksoftirqd/11549750irq/29-eth0_g0_10:05:001
1549850410irq/30-eth0_g0_15495-21kworker/1:011:25:531
1549850410irq/30-eth0_g0_0-21swapper/011:43:320
1549750410irq/29-eth0_g0_31ksoftirqd/012:13:260
1549750410irq/29-eth0_g0_199802sleep010:34:070
1549750410irq/29-eth0_g0_1988-21runrttasks08:27:310
1549850400irq/30-eth0_g0_15495-21kworker/1:011:46:241
1549750400irq/29-eth0_g0_7584-21/usr/sbin/munin11:58:221
1549750400irq/29-eth0_g0_31ksoftirqd/009:44:170
1549750400irq/29-eth0_g0_13-21kworker/0:112:30:100
1549750400irq/29-eth0_g0_13-21kworker/0:111:22:040
1549750400irq/29-eth0_g0_13-21kworker/0:111:17:260
1549750400irq/29-eth0_g0_13-21kworker/0:110:53:110
1549750400irq/29-eth0_g0_121ksoftirqd/111:54:151
130652400sleep01549750irq/29-eth0_g0_07:53:320
121400ksoftirqd/11549850irq/30-eth0_g0_12:13:050
121400ksoftirqd/11549850irq/30-eth0_g0_09:23:410
121400ksoftirqd/11549750irq/29-eth0_g0_07:55:071
1549850390irq/30-eth0_g0_15495-21kworker/1:010:29:391
1549850390irq/30-eth0_g0_0-21swapper/112:34:081
1549750390irq/29-eth0_g0_31ksoftirqd/009:40:250
1549750390irq/29-eth0_g0_13-21kworker/0:111:53:230
1549750390irq/29-eth0_g0_13-21kworker/0:110:38:250
1549750390irq/29-eth0_g0_13-21kworker/0:110:31:200
1549750390irq/29-eth0_g0_13-21kworker/0:109:54:450
136799391cyclictest4775-21sort09:33:271
121390ksoftirqd/11549850irq/30-eth0_g0_10:16:330
121390ksoftirqd/11549850irq/30-eth0_g0_10:10:050
121390ksoftirqd/11549850irq/30-eth0_g0_08:56:240
121390ksoftirqd/11549850irq/30-eth0_g0_08:56:240
121390ksoftirqd/11549850irq/30-eth0_g0_08:38:080
121390ksoftirqd/11549850irq/30-eth0_g0_07:08:480
121390ksoftirqd/11549750irq/29-eth0_g0_11:50:291
121390ksoftirqd/11549750irq/29-eth0_g0_11:13:121
121390ksoftirqd/11549750irq/29-eth0_g0_11:02:591
121390ksoftirqd/11549750irq/29-eth0_g0_10:48:281
281752380sleep01549750irq/29-eth0_g0_11:08:300
1549850380irq/30-eth0_g0_31ksoftirqd/012:01:300
1549850380irq/30-eth0_g0_1988-21runrttasks09:19:341
1549850380irq/30-eth0_g0_15495-21kworker/1:009:08:541
1549850380irq/30-eth0_g0_121ksoftirqd/110:46:411
1549850380irq/30-eth0_g0_0-21swapper/111:21:541
1549750380irq/29-eth0_g0_14372-21unixbench_singl07:58:340
1549750380irq/29-eth0_g0_13-21kworker/0:112:22:220
1549750380irq/29-eth0_g0_13-21kworker/0:110:57:530
1549750380irq/29-eth0_g0_121ksoftirqd/109:57:231
1549750380irq/29-eth0_g0_121ksoftirqd/108:03:290
1549750380irq/29-eth0_g0_0-21swapper/010:06:300
1549750380irq/29-eth0_g0_0-21swapper/010:06:300
136799381cyclictest2546-21ps09:23:321
136799381cyclictest10618-21timerandwakeup07:43:351
136799381cyclictest10618-21timerandwakeup07:43:351
121380ksoftirqd/11549850irq/30-eth0_g0_09:53:020
121380ksoftirqd/11549750irq/29-eth0_g0_09:50:531
121380ksoftirqd/11549750irq/29-eth0_g0_08:38:301
1549850370irq/30-eth0_g0_26675-21seq08:48:381
1549850370irq/30-eth0_g0_15495-21kworker/1:011:28:161
1549850370irq/30-eth0_g0_15495-21kworker/1:010:56:341
1549850370irq/30-eth0_g0_15495-21kworker/1:010:40:041
1549850370irq/30-eth0_g0_15495-21kworker/1:009:47:051
1549850370irq/30-eth0_g0_121ksoftirqd/107:48:261
1549850370irq/30-eth0_g0_121ksoftirqd/107:48:261
1549750370irq/29-eth0_g0_5681-21find07:23:320
1549750370irq/29-eth0_g0_1988-21runrttasks08:43:570
1549750370irq/29-eth0_g0_1988-21runrttasks07:21:490
1549750370irq/29-eth0_g0_13-21kworker/0:111:36:090
1367993731cyclictest24710-21/usr/sbin/munin08:43:341
136799372cyclictest11810-21sendmail_mailtr12:13:321
136799371cyclictest7039-21sed07:28:341
136799371cyclictest3834-21cat07:18:121
136799371cyclictest3834-21cat07:18:121
136799371cyclictest30736-21diskmemload09:43:121
136799371cyclictest27851-21sed08:53:341
136799371cyclictest27851-21sed08:53:341
1549850360irq/30-eth0_g0_16783-21unixbench_multi08:08:331
1549750360irq/29-eth0_g0_31ksoftirqd/007:28:280
1549750360irq/29-eth0_g0_2768-21df_abs07:13:240
1549750360irq/29-eth0_g0_2768-21df_abs07:13:240
1549750360irq/29-eth0_g0_1988-21runrttasks08:49:040
1549750360irq/29-eth0_g0_1988-21runrttasks07:46:520
1549750360irq/29-eth0_g0_1988-21runrttasks07:46:520
1549750360irq/29-eth0_g0_13-21kworker/0:112:23:230
1549750360irq/29-eth0_g0_13-21kworker/0:109:18:270
136799361cyclictest30736-21diskmemload09:13:381
136799361cyclictest28995-21sed08:58:351
136799361cyclictest21107-21df_abs08:28:221
136799361cyclictest18514-21wc08:18:121
136799361cyclictest0-21swapper/107:09:271
799350migration/09437-21unixbench_multi07:38:340
1549850350irq/30-eth0_g0_0-21swapper/111:13:281
1549750350irq/29-eth0_g0_30146-21sendmail_mailst09:03:320
1549750350irq/29-eth0_g0_21293-21sort08:28:250
1549750350irq/29-eth0_g0_1988-21runrttasks08:40:060
1549750350irq/29-eth0_g0_1988-21runrttasks08:12:180
1549750350irq/29-eth0_g0_1988-21runrttasks07:48:420
1549750350irq/29-eth0_g0_1988-21runrttasks07:48:420
1549750350irq/29-eth0_g0_136699cyclictest11:00:120
136799351cyclictest4573-21sed07:18:341
136799351cyclictest0-21swapper/107:25:141
1549850340irq/30-eth0_g0_22803-21sendmail_mailqu08:33:321
1549750340irq/29-eth0_g0_28388-21/usr/sbin/munin08:58:250
136799341cyclictest0-21swapper/108:03:551
1549850330irq/30-eth0_g0_8739-21runrttasks07:38:131
1549750330irq/29-eth0_g0_7689-21chrt07:33:230
1549750330irq/29-eth0_g0_17622-21latency08:13:260
136799331cyclictest20454-21grep08:23:331
121330ksoftirqd/1432-21irqstats07:03:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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