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2026-01-30 - 20:41
[ 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 376 highest latencies:
System rack3slot5s.osadl.org (updated Fri Jan 30, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
173412810sleep01549850irq/30-eth0_g0_07:24:290
184162740chrt1549850irq/30-eth0_g0_07:29:261
121730ksoftirqd/1105332chrt11:19:540
94852710sleep01549850irq/30-eth0_g0_09:04:280
121710ksoftirqd/11549850irq/30-eth0_g0_11:28:001
121540ksoftirqd/11549850irq/30-eth0_g0_07:27:531
1549850480irq/30-eth0_g0_17511-21ntp_kernel_err11:49:260
1549750460irq/29-eth0_g0_13-21kworker/0:111:36:430
1549750460irq/29-eth0_g0_13-21kworker/0:109:14:270
121460ksoftirqd/11549750irq/29-eth0_g0_08:10:231
1549750450irq/29-eth0_g0_31ksoftirqd/012:04:310
1549750450irq/29-eth0_g0_31ksoftirqd/010:30:100
121450ksoftirqd/11549750irq/29-eth0_g0_08:02:541
1549850440irq/30-eth0_g0_15495-21kworker/1:011:41:521
121440ksoftirqd/11549850irq/30-eth0_g0_10:06:241
121440ksoftirqd/11549750irq/29-eth0_g0_11:31:421
1549850430irq/30-eth0_g0_235232sleep110:02:091
1549850430irq/30-eth0_g0_18420-21df11:54:201
1549750430irq/29-eth0_g0_31ksoftirqd/012:37:230
1549750430irq/29-eth0_g0_31ksoftirqd/011:13:350
1549750430irq/29-eth0_g0_2648-21taskset10:49:230
1549750430irq/29-eth0_g0_13-21kworker/0:112:24:350
1549750430irq/29-eth0_g0_11047-21chrt09:09:450
1549750430irq/29-eth0_g0_0-21swapper/009:49:300
1549850420irq/30-eth0_g0_1223-21df10:44:231
1549850420irq/30-eth0_g0_1223-21df10:44:231
1549850420irq/30-eth0_g0_121ksoftirqd/111:03:050
1549750420irq/29-eth0_g0_31ksoftirqd/012:20:380
1549750420irq/29-eth0_g0_31ksoftirqd/010:39:290
1549750420irq/29-eth0_g0_31ksoftirqd/010:24:150
1549750420irq/29-eth0_g0_13-21kworker/0:111:42:080
1549750420irq/29-eth0_g0_12699-21unixbench_singl07:04:310
1549750420irq/29-eth0_g0_121ksoftirqd/111:18:160
121420ksoftirqd/11549850irq/30-eth0_g0_11:15:231
121420ksoftirqd/11549750irq/29-eth0_g0_12:09:301
121420ksoftirqd/11549750irq/29-eth0_g0_10:36:141
28542410chrt1549850irq/30-eth0_g0_08:39:101
28542410chrt1549850irq/30-eth0_g0_08:39:101
1549850410irq/30-eth0_g0_12157-21df_abs07:04:211
1549750410irq/29-eth0_g0_31ksoftirqd/010:12:590
1549750410irq/29-eth0_g0_31ksoftirqd/010:02:040
1549750410irq/29-eth0_g0_16434-21/usr/sbin/munin09:34:280
1549750410irq/29-eth0_g0_13-21kworker/0:112:33:380
1549750410irq/29-eth0_g0_13-21kworker/0:112:02:500
1549750410irq/29-eth0_g0_13-21kworker/0:111:55:330
1549750410irq/29-eth0_g0_13-21kworker/0:110:19:540
1549750410irq/29-eth0_g0_13-21kworker/0:109:45:260
121410ksoftirqd/11549750irq/29-eth0_g0_11:11:091
1549750400irq/29-eth0_g0_31ksoftirqd/010:54:460
1549750400irq/29-eth0_g0_31ksoftirqd/010:14:260
1549750400irq/29-eth0_g0_13-21kworker/0:111:06:320
1549750400irq/29-eth0_g0_13-21kworker/0:110:47:410
1549750400irq/29-eth0_g0_13-21kworker/0:110:47:410
1549750400irq/29-eth0_g0_13-21kworker/0:109:30:580
121400ksoftirqd/11549750irq/29-eth0_g0_09:48:541
121400ksoftirqd/11549750irq/29-eth0_g0_09:39:281
121400ksoftirqd/11549750irq/29-eth0_g0_09:07:331
53182390sleep11549850irq/30-eth0_g0_10:59:291
1549850390irq/30-eth0_g0_166732sleep111:44:551
1549850390irq/30-eth0_g0_1317599cyclictest10:30:121
1549750390irq/29-eth0_g0_31ksoftirqd/009:56:530
1549750390irq/29-eth0_g0_31ksoftirqd/007:44:290
1549750390irq/29-eth0_g0_14668-21unixbench_singl09:24:310
1549750390irq/29-eth0_g0_13-21kworker/0:111:44:120
1549750390irq/29-eth0_g0_13-21kworker/0:111:29:560
1549750390irq/29-eth0_g0_13-21kworker/0:110:37:480
1549750390irq/29-eth0_g0_13-21kworker/0:109:42:380
1549750390irq/29-eth0_g0_13-21kworker/0:109:20:320
121390ksoftirqd/11549750irq/29-eth0_g0_12:06:071
121390ksoftirqd/11549750irq/29-eth0_g0_12:01:471
121390ksoftirqd/11549750irq/29-eth0_g0_11:19:281
121390ksoftirqd/11549750irq/29-eth0_g0_09:54:401
121390ksoftirqd/11549750irq/29-eth0_g0_08:14:111
121390ksoftirqd/11549750irq/29-eth0_g0_08:14:111
121390ksoftirqd/11549750irq/29-eth0_g0_08:05:041
121390ksoftirqd/11549750irq/29-eth0_g0_07:45:291
121390ksoftirqd/11549750irq/29-eth0_g0_07:13:081
1549850380irq/30-eth0_g0_15495-21kworker/1:010:40:171
1549850380irq/30-eth0_g0_15495-21kworker/1:010:24:201
1549850380irq/30-eth0_g0_15495-21kworker/1:009:13:301
1549850380irq/30-eth0_g0_0-21swapper/112:16:181
1549850380irq/30-eth0_g0_0-21swapper/112:16:181
1549850380irq/30-eth0_g0_0-21swapper/110:55:561
1549750380irq/29-eth0_g0_31ksoftirqd/012:15:590
1549750380irq/29-eth0_g0_31ksoftirqd/012:15:590
1549750380irq/29-eth0_g0_22593-21sendmail_mailtr12:09:290
1549750380irq/29-eth0_g0_13-21kworker/0:110:08:310
121380ksoftirqd/11549750irq/29-eth0_g0_09:27:571
118392380sleep01549750irq/29-eth0_g0_11:25:500
1549850370irq/30-eth0_g0_15495-21kworker/1:012:37:031
1549850370irq/30-eth0_g0_15495-21kworker/1:011:53:141
1549750370irq/29-eth0_g0_21332-21unixbench_singl07:39:310
1549750370irq/29-eth0_g0_1988-21runrttasks08:50:270
1549750370irq/29-eth0_g0_1988-21runrttasks08:50:270
1549750370irq/29-eth0_g0_15723-21/usr/sbin/munin07:19:240
121370ksoftirqd/11549750irq/29-eth0_g0_10:14:541
121370ksoftirqd/11549750irq/29-eth0_g0_08:44:391
1549850360irq/30-eth0_g0_20119-21uptime07:34:331
1549850360irq/30-eth0_g0_15495-21kworker/1:012:29:301
1549850360irq/30-eth0_g0_15495-21kworker/1:010:12:491
1549850360irq/30-eth0_g0_15495-21kworker/1:009:38:201
1549750360irq/29-eth0_g0_1988-21runrttasks07:16:320
1549750360irq/29-eth0_g0_0-21swapper/008:14:250
1549750360irq/29-eth0_g0_0-21swapper/008:14:250
1549750360irq/29-eth0_g0_0-21swapper/007:09:330
121360ksoftirqd/11549850irq/30-eth0_g0_09:29:351
121360ksoftirqd/11549750irq/29-eth0_g0_08:19:211
121360ksoftirqd/11549750irq/29-eth0_g0_08:19:211
1549850350irq/30-eth0_g0_6476-21/usr/sbin/munin11:04:251
1549850350irq/30-eth0_g0_25783-21df_abs12:24:211
1549850350irq/30-eth0_g0_23707-21unixbench_multi07:49:301
1549850350irq/30-eth0_g0_1988-21runrttasks07:33:090
1549850350irq/30-eth0_g0_15495-21kworker/1:012:22:571
1549850350irq/30-eth0_g0_15495-21kworker/1:011:36:241
1549850350irq/30-eth0_g0_15495-21kworker/1:010:19:371
1549850350irq/30-eth0_g0_15495-21kworker/1:009:51:261
1549850350irq/30-eth0_g0_15495-21kworker/1:009:20:031
1549850350irq/30-eth0_g0_0-21swapper/110:49:301
1549750350irq/29-eth0_g0_8437-21timerandwakeup08:59:300
1549750350irq/29-eth0_g0_3693-21runrttasks08:39:520
1549750350irq/29-eth0_g0_3693-21runrttasks08:39:520
1549750350irq/29-eth0_g0_2848-21latency_hist08:39:100
1549750350irq/29-eth0_g0_2848-21latency_hist08:39:100
1549750350irq/29-eth0_g0_24577-21latency07:54:230
1549750350irq/29-eth0_g0_1988-21runrttasks07:52:170
121350ksoftirqd/11549750irq/29-eth0_g0_08:29:421
121350ksoftirqd/11549750irq/29-eth0_g0_08:29:421
1549850340irq/30-eth0_g0_15495-21kworker/1:009:16:141
1549850340irq/30-eth0_g0_0-21swapper/107:22:521
1549750340irq/29-eth0_g0_1988-21runrttasks08:56:000
1549750340irq/29-eth0_g0_1988-21runrttasks08:00:360
1549750340irq/29-eth0_g0_1988-21runrttasks07:35:130
1549750340irq/29-eth0_g0_0-21swapper/008:29:230
1549750340irq/29-eth0_g0_0-21swapper/008:29:230
1549750340irq/29-eth0_g0_0-21swapper/008:04:270
121340ksoftirqd/11549750irq/29-eth0_g0_07:14:291
1549850330irq/30-eth0_g0_8360-21chrt08:59:291
1549850330irq/30-eth0_g0_0-21swapper/107:39:301
1549750330irq/29-eth0_g0_4224-21df08:44:210
1549750330irq/29-eth0_g0_30905-21ps08:19:280
1549750330irq/29-eth0_g0_30905-21ps08:19:280
1549850320irq/30-eth0_g0_5780-21ntp_states08:49:261
1549850320irq/30-eth0_g0_5780-21ntp_states08:49:261
1549850320irq/30-eth0_g0_15495-21kworker/1:008:58:181
1549850320irq/30-eth0_g0_0-21swapper/107:54:201
1549750320irq/29-eth0_g0_32050-21ntp_kernel_pll_08:24:270
1549750320irq/29-eth0_g0_32050-21ntp_kernel_pll_08:24:270
1549750320irq/29-eth0_g0_31964-21missed_timers08:24:251
1549750320irq/29-eth0_g0_31964-21missed_timers08:24:251
1549750320irq/29-eth0_g0_3188-21latency08:39:241
1549750320irq/29-eth0_g0_3188-21latency08:39:241
1549750300irq/29-eth0_g0_0-21swapper/008:09:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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