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2026-02-22 - 03:00
[ 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 all highest latencies:
System rack3slot5s.osadl.org (updated Sun Feb 22, 2026 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
630121390sleep11549750irq/29-eth0_g0_22:47:521
53821030sleep11549850irq/30-eth0_g0_00:35:101
247742760sleep01549850irq/30-eth0_g0_21:48:420
7062700sleep11549750irq/29-eth0_g0_22:23:381
12792700sleep11549850irq/30-eth0_g0_20:13:351
228612670chrt1549750irq/29-eth0_g0_19:28:381
282182530sleep01549850irq/30-eth0_g0_22:03:360
276312520sleep11549750irq/29-eth0_g0_19:48:361
1549750500irq/29-eth0_g0_1735099cyclictest22:08:370
1549750500irq/29-eth0_g0_1735099cyclictest22:08:370
1549850480irq/30-eth0_g0_121ksoftirqd/121:53:411
35382470sleep01549750irq/29-eth0_g0_22:34:100
1549850450irq/30-eth0_g0_15495-21kworker/1:022:08:451
1549850450irq/30-eth0_g0_15495-21kworker/1:022:08:451
121450ksoftirqd/11549850irq/30-eth0_g0_00:04:521
1549850440irq/30-eth0_g0_121ksoftirqd/121:43:421
121440ksoftirqd/11549850irq/30-eth0_g0_21:16:401
1549850430irq/30-eth0_g0_18616-21runrttasks21:23:421
1549850430irq/30-eth0_g0_15495-21kworker/1:021:37:361
121430ksoftirqd/11549850irq/30-eth0_g0_00:04:160
121430ksoftirqd/11549750irq/29-eth0_g0_23:26:261
179772420sleep01549850irq/30-eth0_g0_21:23:200
1549850420irq/30-eth0_g0_15495-21kworker/1:022:38:001
1549850420irq/30-eth0_g0_15495-21kworker/1:021:18:211
1549850420irq/30-eth0_g0_121ksoftirqd/121:58:411
1549750420irq/29-eth0_g0_1735099cyclictest22:25:440
1549750420irq/29-eth0_g0_16852-21unixbench_multi19:03:400
121420ksoftirqd/11549850irq/30-eth0_g0_23:51:421
121420ksoftirqd/11549750irq/29-eth0_g0_22:41:271
1549850410irq/30-eth0_g0_28701-21taskset00:18:351
1549850410irq/30-eth0_g0_28701-21taskset00:18:351
1549850410irq/30-eth0_g0_15495-21kworker/1:000:00:091
1549850410irq/30-eth0_g0_121ksoftirqd/122:28:411
1549850410irq/30-eth0_g0_121ksoftirqd/122:28:411
1549850410irq/30-eth0_g0_121ksoftirqd/100:31:581
1549750410irq/29-eth0_g0_27629-21awk00:13:370
1549750410irq/29-eth0_g0_0-21swapper/023:28:350
121410ksoftirqd/11549850irq/30-eth0_g0_19:13:201
302802400sleep11549850irq/30-eth0_g0_22:13:221
1549850400irq/30-eth0_g0_28376-21cat00:18:201
1549850400irq/30-eth0_g0_1950-21sshd19:03:361
1549850400irq/30-eth0_g0_15495-21kworker/1:022:04:401
1549850400irq/30-eth0_g0_15495-21kworker/1:021:42:451
1549850400irq/30-eth0_g0_15495-21kworker/1:021:30:441
1549850400irq/30-eth0_g0_15495-21kworker/1:021:30:441
1549850400irq/30-eth0_g0_121ksoftirqd/123:44:041
1549850400irq/30-eth0_g0_121ksoftirqd/123:44:041
1549750400irq/29-eth0_g0_8952-21unixbench_singl20:43:410
1549750400irq/29-eth0_g0_21851-21vmstat19:23:420
121400ksoftirqd/11549850irq/30-eth0_g0_23:25:380
1549850390irq/30-eth0_g0_16290-21df23:28:301
1549850390irq/30-eth0_g0_15495-21kworker/1:023:42:171
1549750390irq/29-eth0_g0_14285-21diskmemload21:11:590
1549750390irq/29-eth0_g0_13-21kworker/0:123:08:320
1549750390irq/29-eth0_g0_13-21kworker/0:121:17:010
1549750390irq/29-eth0_g0_121ksoftirqd/100:23:431
1549750390irq/29-eth0_g0_0-21swapper/023:38:310
1549850380irq/30-eth0_g0_15495-21kworker/1:023:11:171
1549850380irq/30-eth0_g0_15495-21kworker/1:023:06:231
1549850380irq/30-eth0_g0_15495-21kworker/1:000:10:321
1549850380irq/30-eth0_g0_0-21swapper/121:49:591
1549750380irq/29-eth0_g0_13-21kworker/0:122:31:050
1549750380irq/29-eth0_g0_13-21kworker/0:122:31:050
1549750380irq/29-eth0_g0_13-21kworker/0:122:00:080
1549750380irq/29-eth0_g0_13-21kworker/0:121:33:220
1549750380irq/29-eth0_g0_0-21swapper/020:43:190
121380ksoftirqd/11549850irq/30-eth0_g0_22:22:560
121380ksoftirqd/11549850irq/30-eth0_g0_21:54:220
1549850370irq/30-eth0_g0_15495-21kworker/1:023:58:041
1549850370irq/30-eth0_g0_15495-21kworker/1:022:53:311
1549850370irq/30-eth0_g0_11245-21find20:53:401
1549750370irq/29-eth0_g0_4378-21ntp_kernel_pll_22:38:390
1549750370irq/29-eth0_g0_31566-21unixbench_multi20:03:400
1549750370irq/29-eth0_g0_21277-21df_inode23:48:310
1549750370irq/29-eth0_g0_1988-21runrttasks19:42:220
1549750370irq/29-eth0_g0_13-21kworker/0:123:59:090
1549750370irq/29-eth0_g0_13-21kworker/0:123:44:580
1549750370irq/29-eth0_g0_13-21kworker/0:123:44:580
1549750370irq/29-eth0_g0_13-21kworker/0:123:18:380
1549750370irq/29-eth0_g0_13-21kworker/0:123:05:100
1549750370irq/29-eth0_g0_13-21kworker/0:122:56:210
1549750370irq/29-eth0_g0_13-21kworker/0:122:48:110
1549750370irq/29-eth0_g0_13-21kworker/0:121:43:510
1549750370irq/29-eth0_g0_0-21swapper/022:53:200
1549750370irq/29-eth0_g0_0-21swapper/021:03:300
121370ksoftirqd/11549750irq/29-eth0_g0_23:00:551
121370ksoftirqd/11549750irq/29-eth0_g0_23:00:551
1549850360irq/30-eth0_g0_21753-21unixbench_multi19:23:411
1549850360irq/30-eth0_g0_15495-21kworker/1:022:23:171
1549850360irq/30-eth0_g0_15495-21kworker/1:021:11:211
1549850360irq/30-eth0_g0_12005-21df_abs20:58:311
1549850360irq/30-eth0_g0_121ksoftirqd/123:15:171
1549850360irq/30-eth0_g0_0-21swapper/020:08:340
1549750360irq/29-eth0_g0_26307-21memory00:08:350
1549750360irq/29-eth0_g0_1988-21runrttasks20:56:000
1549750360irq/29-eth0_g0_1988-21runrttasks19:09:410
1549750360irq/29-eth0_g0_1582-21unixbench_singl20:13:410
1549750360irq/29-eth0_g0_13-21kworker/0:123:58:180
1549750360irq/29-eth0_g0_13-21kworker/0:123:13:450
1549750360irq/29-eth0_g0_13-21kworker/0:121:41:520
1549750360irq/29-eth0_g0_13-21kworker/0:121:28:400
1549750360irq/29-eth0_g0_13-21kworker/0:121:28:400
1549750360irq/29-eth0_g0_13-21kworker/0:121:23:230
1549750360irq/29-eth0_g0_13-21kworker/0:100:28:470
1549750360irq/29-eth0_g0_13-21kworker/0:100:21:230
1549750360irq/29-eth0_g0_13-21kworker/0:100:21:230
121360ksoftirqd/11549850irq/30-eth0_g0_22:14:250
121360ksoftirqd/11549850irq/30-eth0_g0_20:38:551
1549850350irq/30-eth0_g0_15495-21kworker/1:023:33:301
1549850350irq/30-eth0_g0_15495-21kworker/1:022:50:381
1549750350irq/29-eth0_g0_6084-21cat20:33:340
1549750350irq/29-eth0_g0_6084-21cat20:33:340
1549750350irq/29-eth0_g0_3604-21iostat20:23:330
1549750350irq/29-eth0_g0_28830-21/usr/sbin/munin19:53:370
1549750350irq/29-eth0_g0_24020-21proc_pri19:33:380
1549750350irq/29-eth0_g0_1988-21runrttasks19:50:140
1549750350irq/29-eth0_g0_1988-21runrttasks19:17:380
1549750350irq/29-eth0_g0_13-21kworker/0:123:00:450
1549750350irq/29-eth0_g0_13-21kworker/0:123:00:450
1549750350irq/29-eth0_g0_13-21kworker/0:100:36:360
1549750350irq/29-eth0_g0_12586-21unixbench_multi20:58:420
1549750350irq/29-eth0_g0_0-21swapper/020:18:340
1549750350irq/29-eth0_g0_0-21swapper/019:33:200
121350ksoftirqd/11549850irq/30-eth0_g0_23:22:371
1549850340irq/30-eth0_g0_1984-21crond19:55:191
1549750340irq/29-eth0_g0_5001-21ntp_states20:28:380
1549750340irq/29-eth0_g0_30319-21grep19:58:410
1549750340irq/29-eth0_g0_30091-21ntp_states00:23:400
1549750340irq/29-eth0_g0_0-21swapper/023:36:160
1549850330irq/30-eth0_g0_24286-21taskset19:33:421
1549850330irq/30-eth0_g0_0-21swapper/119:43:381
1549750330irq/29-eth0_g0_9629-21taskset20:48:310
1549750330irq/29-eth0_g0_20622-21vmstat19:18:420
1735199321cyclictest31071-21/usr/sbin/munin20:03:321
1735199321cyclictest10126-21tail20:48:401
1549850320irq/30-eth0_g0_8883-21/usr/sbin/munin20:43:401
1549850320irq/30-eth0_g0_2547-21ntp_states20:18:361
1549850320irq/30-eth0_g0_25374-21sort19:38:421
1549850320irq/30-eth0_g0_19194-21rt-features19:13:401
1549850320irq/30-eth0_g0_1735199cyclictest21:03:401
1549750320irq/29-eth0_g0_6123-21ls20:33:341
1549750320irq/29-eth0_g0_6123-21ls20:33:341
1735199310cyclictest0-21swapper/120:28:251
1735199310cyclictest0-21swapper/120:25:101
1735199310cyclictest0-21swapper/120:09:051
1735199310cyclictest0-21swapper/119:20:421
1549750310irq/29-eth0_g0_0-21swapper/119:58:361
1549750310irq/29-eth0_g0_0-21swapper/019:43:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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