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2026-02-08 - 02:12
[ 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 Sun Feb 08, 2026 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2641321310sleep11549750irq/29-eth0_g0_23:00:491
196021240chrt1549750irq/29-eth0_g0_21:21:120
121920ksoftirqd/11549850irq/30-eth0_g0_00:22:001
121820ksoftirqd/11549850irq/30-eth0_g0_23:14:100
121680ksoftirqd/11549750irq/29-eth0_g0_21:09:121
121630ksoftirqd/11549850irq/30-eth0_g0_22:54:030
277752610sleep11549750irq/29-eth0_g0_23:07:281
121610ksoftirqd/11549850irq/30-eth0_g0_20:44:041
1549750560irq/29-eth0_g0_899watchdog/021:12:450
121530ksoftirqd/11549850irq/30-eth0_g0_00:30:571
121490ksoftirqd/11549850irq/30-eth0_g0_23:45:571
121490ksoftirqd/11549850irq/30-eth0_g0_22:21:341
79712480sleep11549850irq/30-eth0_g0_21:44:511
1549850470irq/30-eth0_g0_30941-21munin-run21:08:511
121470ksoftirqd/11549750irq/29-eth0_g0_21:50:241
121460ksoftirqd/11549850irq/30-eth0_g0_23:11:061
121460ksoftirqd/11549750irq/29-eth0_g0_23:36:121
121460ksoftirqd/11549750irq/29-eth0_g0_23:03:030
121460ksoftirqd/11549750irq/29-eth0_g0_22:54:021
121460ksoftirqd/11549750irq/29-eth0_g0_20:00:581
121460ksoftirqd/11549750irq/29-eth0_g0_20:00:581
121450ksoftirqd/11549850irq/30-eth0_g0_23:54:121
121450ksoftirqd/11549850irq/30-eth0_g0_23:54:121
121450ksoftirqd/11549850irq/30-eth0_g0_00:05:411
121450ksoftirqd/11549750irq/29-eth0_g0_00:23:340
44962440sleep11549750irq/29-eth0_g0_21:32:061
1549750440irq/29-eth0_g0_31ksoftirqd/019:04:100
121440ksoftirqd/11549850irq/30-eth0_g0_23:50:180
1549850430irq/30-eth0_g0_15495-21kworker/1:023:32:591
1549850430irq/30-eth0_g0_15495-21kworker/1:022:41:041
1549850430irq/30-eth0_g0_121ksoftirqd/121:36:231
1549850430irq/30-eth0_g0_119042sleep122:02:551
121430ksoftirqd/11549750irq/29-eth0_g0_19:40:021
1549850420irq/30-eth0_g0_894-21cat19:04:061
1549850420irq/30-eth0_g0_121ksoftirqd/122:04:091
1549750420irq/29-eth0_g0_31ksoftirqd/023:48:150
121420ksoftirqd/11549850irq/30-eth0_g0_20:03:010
121420ksoftirqd/11549850irq/30-eth0_g0_20:03:010
1549850410irq/30-eth0_g0_27907-21taskset20:54:101
1549850410irq/30-eth0_g0_15495-21kworker/1:022:27:461
1549850410irq/30-eth0_g0_15495-21kworker/1:022:27:461
1549750410irq/29-eth0_g0_31ksoftirqd/022:25:200
1549750410irq/29-eth0_g0_31ksoftirqd/022:25:200
1549750410irq/29-eth0_g0_1988-21runrttasks20:29:160
1549750410irq/29-eth0_g0_13-21kworker/0:123:09:230
1549750410irq/29-eth0_g0_13-21kworker/0:121:28:410
121410ksoftirqd/11549750irq/29-eth0_g0_22:36:211
174902400sleep11549850irq/30-eth0_g0_00:38:471
173599405cyclictest11851-21nfs_client00:14:061
1549850400irq/30-eth0_g0_31ksoftirqd/021:46:090
1549850400irq/30-eth0_g0_15495-21kworker/1:000:25:451
1549850400irq/30-eth0_g0_121ksoftirqd/100:01:441
1549750400irq/29-eth0_g0_31ksoftirqd/021:36:590
1549750400irq/29-eth0_g0_15495-21kworker/1:023:39:111
1549750400irq/29-eth0_g0_13-21kworker/0:123:23:500
1549750400irq/29-eth0_g0_13-21kworker/0:122:36:270
1549750400irq/29-eth0_g0_13-21kworker/0:122:01:330
1549750400irq/29-eth0_g0_13-21kworker/0:121:42:450
1549750400irq/29-eth0_g0_13-21kworker/0:121:30:110
1549750400irq/29-eth0_g0_121ksoftirqd/123:04:150
121400ksoftirqd/11549850irq/30-eth0_g0_22:51:540
121400ksoftirqd/11549850irq/30-eth0_g0_22:44:510
121400ksoftirqd/11549850irq/30-eth0_g0_22:42:570
121400ksoftirqd/11549850irq/30-eth0_g0_22:22:060
121400ksoftirqd/11549850irq/30-eth0_g0_22:14:150
121400ksoftirqd/11549850irq/30-eth0_g0_21:57:360
121400ksoftirqd/11549850irq/30-eth0_g0_00:24:560
121400ksoftirqd/11549850irq/30-eth0_g0_00:15:100
121400ksoftirqd/11549750irq/29-eth0_g0_23:52:591
121400ksoftirqd/11549750irq/29-eth0_g0_22:29:231
121400ksoftirqd/11549750irq/29-eth0_g0_22:17:281
173599392cyclictest3479-21grep21:28:511
173599391cyclictest32551-21chrt21:14:071
173599391cyclictest18902sleep119:09:031
1549850390irq/30-eth0_g0_302922sleep123:18:201
1549750390irq/29-eth0_g0_9887-21grep19:39:110
1549750390irq/29-eth0_g0_13-21kworker/0:123:57:000
1549750390irq/29-eth0_g0_13-21kworker/0:123:57:000
1549750390irq/29-eth0_g0_13-21kworker/0:122:11:060
1549750390irq/29-eth0_g0_13-21kworker/0:121:48:530
1549750390irq/29-eth0_g0_13-21kworker/0:100:35:540
1549750390irq/29-eth0_g0_121ksoftirqd/121:57:371
121390ksoftirqd/11549850irq/30-eth0_g0_23:32:120
121390ksoftirqd/11549850irq/30-eth0_g0_22:31:320
121390ksoftirqd/11549850irq/30-eth0_g0_22:05:090
121390ksoftirqd/11549850irq/30-eth0_g0_21:08:490
121390ksoftirqd/11549850irq/30-eth0_g0_20:16:190
121390ksoftirqd/11549850irq/30-eth0_g0_00:04:460
121390ksoftirqd/11549850irq/30-eth0_g0_00:01:500
121390ksoftirqd/11549750irq/29-eth0_g0_23:20:471
121390ksoftirqd/11549750irq/29-eth0_g0_22:53:271
121390ksoftirqd/11549750irq/29-eth0_g0_22:09:021
121390ksoftirqd/11549750irq/29-eth0_g0_19:29:391
121390ksoftirqd/11549750irq/29-eth0_g0_19:19:221
173599382cyclictest325-21munin-run23:28:511
1549850380irq/30-eth0_g0_29291-21/usr/sbin/munin20:59:141
1549850380irq/30-eth0_g0_15495-21kworker/1:022:44:171
1549750380irq/29-eth0_g0_31ksoftirqd/023:24:330
1549750380irq/29-eth0_g0_29268-21head20:59:130
1549750380irq/29-eth0_g0_1988-21runrttasks23:39:180
1549750380irq/29-eth0_g0_13-21kworker/0:123:34:120
1549750380irq/29-eth0_g0_13-21kworker/0:100:31:540
173599372cyclictest6487-21/usr/sbin/munin21:39:111
173599372cyclictest17004-21proc_pri20:09:101
173599371cyclictest8551-21sort19:34:121
173599371cyclictest60482sleep119:24:111
173599371cyclictest2130-21lldpd19:18:011
173599371cyclictest11619-21date19:48:521
173599371cyclictest10704-21proc_pri00:09:081
1549850370irq/30-eth0_g0_15495-21kworker/1:021:21:391
1549750370irq/29-eth0_g0_31ksoftirqd/020:24:140
1549750370irq/29-eth0_g0_31ksoftirqd/020:04:110
1549750370irq/29-eth0_g0_27979-21unixbench_multi20:54:110
1549750370irq/29-eth0_g0_2550-21grep19:09:130
1549750370irq/29-eth0_g0_1988-21runrttasks20:34:020
1549750370irq/29-eth0_g0_1988-21runrttasks20:19:190
1549750370irq/29-eth0_g0_1988-21runrttasks20:09:010
1549750370irq/29-eth0_g0_1988-21runrttasks19:47:090
1549750370irq/29-eth0_g0_10908-21unixbench_multi00:09:100
1549750370irq/29-eth0_g0_0-21swapper/021:14:130
121370ksoftirqd/11549750irq/29-eth0_g0_19:56:041
173599361cyclictest20641-21grep20:24:131
173599361cyclictest0-21swapper/120:14:021
1549750360irq/29-eth0_g0_3721-21tail19:14:120
1549750360irq/29-eth0_g0_2151-21lldpd19:19:010
1549750360irq/29-eth0_g0_1988-21runrttasks20:52:210
1549750360irq/29-eth0_g0_1988-21runrttasks19:33:240
1549750360irq/29-eth0_g0_12194-21taskset19:49:120
121360ksoftirqd/122890-21open_inodes20:34:091
173599351cyclictest238382sleep120:39:041
1549750350irq/29-eth0_g0_24217-21find20:39:110
1549750350irq/29-eth0_g0_1988-21runrttasks20:44:230
1549750350irq/29-eth0_g0_1988-21runrttasks19:34:160
1549750350irq/29-eth0_g0_0-21swapper/019:24:030
1735993419cyclictest16016-21grep20:04:141
173599341cyclictest12169-21sendmail_mailqu19:49:111
1549850340irq/30-eth0_g0_26813-21grep20:49:121
173599331cyclictest2130-21lldpd20:19:381
173599331cyclictest0-21swapper/120:33:511
1549750330irq/29-eth0_g0_799migration/019:54:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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