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2026-02-24 - 23:57
[ 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 Tue Feb 24, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
312210ksoftirqd/083332chrt07:08:000
890821450sleep01549850irq/30-eth0_g0_09:22:220
1211120ksoftirqd/11549850irq/30-eth0_g0_12:37:081
193642860chrt1549850irq/30-eth0_g0_12:17:410
121850ksoftirqd/11549850irq/30-eth0_g0_09:27:511
82202720sleep11549850irq/30-eth0_g0_11:31:141
8322600sleep01549750irq/29-eth0_g0_11:01:060
57802590sleep11549750irq/29-eth0_g0_11:21:191
121580ksoftirqd/11549850irq/30-eth0_g0_09:00:011
121570ksoftirqd/11549850irq/30-eth0_g0_10:09:131
121540ksoftirqd/11549850irq/30-eth0_g0_09:36:331
121530ksoftirqd/11549850irq/30-eth0_g0_09:48:361
121520ksoftirqd/11549850irq/30-eth0_g0_11:56:271
121520ksoftirqd/11549850irq/30-eth0_g0_07:48:310
121490ksoftirqd/11549850irq/30-eth0_g0_10:30:201
121480ksoftirqd/11549850irq/30-eth0_g0_09:32:251
121470ksoftirqd/11549850irq/30-eth0_g0_12:16:201
95792460sleep11549750irq/29-eth0_g0_11:37:481
121460ksoftirqd/11549850irq/30-eth0_g0_12:05:441
121450ksoftirqd/11549750irq/29-eth0_g0_10:48:521
1549850440irq/30-eth0_g0_15495-21kworker/1:012:19:451
1549850440irq/30-eth0_g0_15495-21kworker/1:010:43:021
1549850440irq/30-eth0_g0_15495-21kworker/1:010:23:171
121440ksoftirqd/11549750irq/29-eth0_g0_10:45:251
1549850430irq/30-eth0_g0_15495-21kworker/1:010:16:111
1549750430irq/29-eth0_g0_31ksoftirqd/011:18:350
1549750430irq/29-eth0_g0_22220-21latency12:28:280
1549750430irq/29-eth0_g0_1988-21runrttasks08:46:360
1549850420irq/30-eth0_g0_121ksoftirqd/109:21:591
1549750420irq/29-eth0_g0_31ksoftirqd/009:28:390
121420ksoftirqd/11549750irq/29-eth0_g0_11:51:491
323262410sleep11549750irq/29-eth0_g0_10:58:181
1549850410irq/30-eth0_g0_15495-21kworker/1:012:27:141
1549850410irq/30-eth0_g0_121ksoftirqd/111:58:261
1549750410irq/29-eth0_g0_31ksoftirqd/010:38:270
1549750410irq/29-eth0_g0_13-21kworker/0:112:18:380
1549750410irq/29-eth0_g0_13-21kworker/0:112:07:100
121410ksoftirqd/11549850irq/30-eth0_g0_10:57:291
121410ksoftirqd/11549750irq/29-eth0_g0_11:14:581
121410ksoftirqd/11549750irq/29-eth0_g0_07:30:501
836499407cyclictest1549850irq/30-eth0_g0_09:11:581
1549850400irq/30-eth0_g0_31ksoftirqd/011:27:260
1549750400irq/29-eth0_g0_31ksoftirqd/012:38:150
1549750400irq/29-eth0_g0_31ksoftirqd/012:12:550
1549750400irq/29-eth0_g0_31ksoftirqd/010:23:530
1549750400irq/29-eth0_g0_13-21kworker/0:111:46:250
1549750400irq/29-eth0_g0_13-21kworker/0:109:40:080
1549750400irq/29-eth0_g0_121ksoftirqd/110:45:540
1549750400irq/29-eth0_g0_0-21swapper/011:42:200
1549850390irq/30-eth0_g0_15495-21kworker/1:010:35:341
1549850390irq/30-eth0_g0_15495-21kworker/1:009:47:291
1549850390irq/30-eth0_g0_15495-21kworker/1:009:15:041
1549850390irq/30-eth0_g0_121ksoftirqd/110:19:371
1549850390irq/30-eth0_g0_0-21swapper/109:54:181
1549750390irq/29-eth0_g0_5628-21/usr/sbin/munin09:08:270
1549750390irq/29-eth0_g0_18338-21grep09:58:370
1549750390irq/29-eth0_g0_13-21kworker/0:111:55:150
1549750390irq/29-eth0_g0_13-21kworker/0:111:28:230
1549750390irq/29-eth0_g0_13-21kworker/0:111:13:350
1549750390irq/29-eth0_g0_13-21kworker/0:110:32:540
121390ksoftirqd/17227-21taskset07:03:261
121390ksoftirqd/11549850irq/30-eth0_g0_11:11:470
121390ksoftirqd/11549850irq/30-eth0_g0_10:15:500
121390ksoftirqd/11549850irq/30-eth0_g0_09:13:320
121390ksoftirqd/11549850irq/30-eth0_g0_08:49:180
121390ksoftirqd/11549850irq/30-eth0_g0_07:57:200
121390ksoftirqd/11549750irq/29-eth0_g0_09:39:051
836499386cyclictest22547-21timerandwakeup12:28:341
836499382cyclictest28166-21sed08:28:251
836499382cyclictest26721-21munin-run08:23:141
836499381cyclictest11205-21latency11:43:301
836499381cyclictest10214-21wc07:13:341
1549750380irq/29-eth0_g0_836399cyclictest10:37:160
1549750380irq/29-eth0_g0_5307-21diskmemload09:44:120
1549750380irq/29-eth0_g0_4117-21latency_hist09:03:150
1549750380irq/29-eth0_g0_31577-21proc_pri10:53:310
1549750380irq/29-eth0_g0_28266-21/usr/sbin/munin08:28:270
1549750380irq/29-eth0_g0_21309-21sed10:13:150
1549750380irq/29-eth0_g0_16678-21latency09:53:300
1549750380irq/29-eth0_g0_13617-21ls07:28:280
1549750380irq/29-eth0_g0_13-21kworker/0:111:49:010
1549750380irq/29-eth0_g0_13-21kworker/0:111:04:420
1549750380irq/29-eth0_g0_13-21kworker/0:109:34:450
1549750380irq/29-eth0_g0_13-21kworker/0:109:23:430
121380ksoftirqd/11549850irq/30-eth0_g0_12:03:020
836499372cyclictest17440-21awk12:08:301
836499371cyclictest872-21grep08:48:301
836499371cyclictest21885-21cat08:03:141
836499371cyclictest21885-21cat08:03:141
836499371cyclictest12405-21taskset07:23:301
836499371cyclictest0-21swapper/107:43:351
1549850370irq/30-eth0_g0_15495-21kworker/1:011:40:501
1549850370irq/30-eth0_g0_15495-21kworker/1:011:07:421
1549850370irq/30-eth0_g0_0-21swapper/110:06:191
1549850370irq/30-eth0_g0_0-21swapper/110:06:191
1549750370irq/29-eth0_g0_4859-21unixbench_singl09:03:360
1549750370irq/29-eth0_g0_30571-21unixbench_singl10:48:350
1549750370irq/29-eth0_g0_23842-21head08:08:350
1549750370irq/29-eth0_g0_1988-21runrttasks08:01:590
1549750370irq/29-eth0_g0_1988-21runrttasks08:01:590
1549750370irq/29-eth0_g0_1988-21runrttasks07:45:100
1549750370irq/29-eth0_g0_14974-21ntp_states07:33:310
1549750370irq/29-eth0_g0_13-21kworker/0:112:26:330
1549750370irq/29-eth0_g0_13-21kworker/0:111:34:540
1549750370irq/29-eth0_g0_13-21kworker/0:110:21:360
1549750370irq/29-eth0_g0_13-21kworker/0:110:07:050
1549750370irq/29-eth0_g0_13-21kworker/0:110:07:050
1549750370irq/29-eth0_g0_13-21kworker/0:109:50:140
1549750370irq/29-eth0_g0_0-21swapper/008:23:370
121370ksoftirqd/11549750irq/29-eth0_g0_11:08:371
836499361cyclictest4496-21cat09:03:301
836499361cyclictest31133-21grep08:38:361
836499361cyclictest27437-21grep08:23:361
41350360irq/23-fsldma-c121ksoftirqd/108:53:291
1549750360irq/29-eth0_g0_31172-21head08:38:360
1549750360irq/29-eth0_g0_29388-21df_abs08:33:250
1549750360irq/29-eth0_g0_1988-21runrttasks08:21:260
1549750360irq/29-eth0_g0_1988-21runrttasks08:16:400
1549750360irq/29-eth0_g0_11593-21unixbench_singl07:18:350
121360ksoftirqd/11549850irq/30-eth0_g0_09:59:341
121360ksoftirqd/11549750irq/29-eth0_g0_08:47:011
121360ksoftirqd/11549750irq/29-eth0_g0_07:08:161
836499352cyclictest16491-21grep07:38:361
836499351cyclictest29924-21/usr/sbin/munin08:33:351
836499351cyclictest151032sleep107:33:341
836499351cyclictest11269-21netstat07:18:291
836499350cyclictest0-21swapper/111:26:521
1549750350irq/29-eth0_g0_1988-21runrttasks07:40:390
1549750350irq/29-eth0_g0_1988-21runrttasks07:26:260
1549750350irq/29-eth0_g0_10213-21fgrep07:13:340
836499342cyclictest25494-21munin-run08:18:141
836499341cyclictest186272sleep107:48:311
1549750340irq/29-eth0_g0_22378-21proc_pri08:03:330
1549750330irq/29-eth0_g0_2306-21swap08:53:340
1549750330irq/29-eth0_g0_1988-21runrttasks07:08:210
1549750320irq/29-eth0_g0_836499cyclictest08:08:351
836499311cyclictest0-21swapper/108:07:191
1549850310irq/30-eth0_g0_19773-21missed_timers07:53:311
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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