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2026-02-18 - 09:39
[ 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 Wed Feb 18, 2026 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1657121700sleep11549750irq/29-eth0_g0_22:03:331
121910ksoftirqd/11549850irq/30-eth0_g0_19:30:591
123502690sleep11549850irq/30-eth0_g0_21:43:511
52302560sleep01549850irq/30-eth0_g0_21:15:460
121560ksoftirqd/1264762sleep020:28:560
121530ksoftirqd/11549850irq/30-eth0_g0_23:45:481
121530ksoftirqd/11549850irq/30-eth0_g0_23:45:481
121520ksoftirqd/11549850irq/30-eth0_g0_23:08:031
121470ksoftirqd/11549850irq/30-eth0_g0_23:19:231
221202450sleep11549850irq/30-eth0_g0_20:13:401
163452450sleep01549750irq/29-eth0_g0_22:01:480
1549850450irq/30-eth0_g0_15495-21kworker/1:021:27:461
1549750450irq/29-eth0_g0_121ksoftirqd/119:48:431
121450ksoftirqd/11549850irq/30-eth0_g0_23:57:291
121450ksoftirqd/11549750irq/29-eth0_g0_23:59:151
1549850440irq/30-eth0_g0_100392sleep121:34:461
1549750440irq/29-eth0_g0_31ksoftirqd/021:43:460
1549750440irq/29-eth0_g0_31ksoftirqd/019:58:470
1549750440irq/29-eth0_g0_1988-21runrttasks19:04:220
121440ksoftirqd/11549850irq/30-eth0_g0_22:48:471
121440ksoftirqd/11549850irq/30-eth0_g0_21:18:491
121440ksoftirqd/11549750irq/29-eth0_g0_19:35:431
121440ksoftirqd/11549750irq/29-eth0_g0_19:17:431
1549850430irq/30-eth0_g0_23926-21/usr/sbin/munin22:33:501
1549850430irq/30-eth0_g0_121ksoftirqd/121:53:411
1549850430irq/30-eth0_g0_121ksoftirqd/121:53:411
1549750430irq/29-eth0_g0_30837-21chrt22:59:290
1549750430irq/29-eth0_g0_31ksoftirqd/019:08:450
1549750430irq/29-eth0_g0_21067-21sh20:08:430
1549750430irq/29-eth0_g0_13-21kworker/0:121:56:220
1549750430irq/29-eth0_g0_13-21kworker/0:121:56:220
247522420chrt1549750irq/29-eth0_g0_22:34:550
1549850420irq/30-eth0_g0_15495-21kworker/1:023:27:411
1549850420irq/30-eth0_g0_15495-21kworker/1:023:27:411
1549850420irq/30-eth0_g0_15495-21kworker/1:022:46:181
1549750420irq/29-eth0_g0_13-21kworker/0:123:52:400
1549750420irq/29-eth0_g0_0-21swapper/000:08:500
121420ksoftirqd/11549750irq/29-eth0_g0_22:26:051
606199416cyclictest5004-21grep21:13:511
606199416cyclictest16714-21head00:13:511
1549750410irq/29-eth0_g0_31ksoftirqd/022:38:460
1549750410irq/29-eth0_g0_31ksoftirqd/019:48:300
1549750410irq/29-eth0_g0_13-21kworker/0:123:55:280
1549750410irq/29-eth0_g0_13-21kworker/0:123:15:240
1549750410irq/29-eth0_g0_13-21kworker/0:122:57:110
1549750410irq/29-eth0_g0_13-21kworker/0:122:57:110
1549750410irq/29-eth0_g0_13-21kworker/0:122:48:470
1549750410irq/29-eth0_g0_13-21kworker/0:122:13:370
1549750410irq/29-eth0_g0_13-21kworker/0:121:37:290
1549750410irq/29-eth0_g0_13-21kworker/0:100:29:500
1549750410irq/29-eth0_g0_10909-21proc_pri21:38:490
121410ksoftirqd/11549850irq/30-eth0_g0_23:25:590
121410ksoftirqd/11549850irq/30-eth0_g0_23:25:590
121410ksoftirqd/11549750irq/29-eth0_g0_22:33:241
606199401cyclictest27611-21grep20:33:481
606199401cyclictest20937-21head22:18:511
219402400chrt1549750irq/29-eth0_g0_00:37:150
1549850400irq/30-eth0_g0_15495-21kworker/1:022:11:441
1549850400irq/30-eth0_g0_121ksoftirqd/122:56:441
1549850400irq/30-eth0_g0_121ksoftirqd/122:56:441
1549750400irq/29-eth0_g0_31ksoftirqd/021:24:150
1549750400irq/29-eth0_g0_27508-21munin-run22:48:290
1549750400irq/29-eth0_g0_18041-21/usr/sbin/munin22:08:420
1549750400irq/29-eth0_g0_17802-21unixbench_multi19:53:510
1549750400irq/29-eth0_g0_13-21kworker/0:122:18:330
1549750400irq/29-eth0_g0_13-21kworker/0:121:51:250
1549750400irq/29-eth0_g0_13-21kworker/0:121:31:250
1549750400irq/29-eth0_g0_13-21kworker/0:100:28:270
1549750400irq/29-eth0_g0_13-21kworker/0:100:15:260
1549750400irq/29-eth0_g0_13-21kworker/0:100:05:130
121400ksoftirqd/11549850irq/30-eth0_g0_23:07:490
121400ksoftirqd/11549750irq/29-eth0_g0_19:23:471
121400ksoftirqd/11549750irq/29-eth0_g0_00:22:431
606199391cyclictest6537-21runrttasks19:08:461
606199391cyclictest3012-21diskmemload23:02:101
223002390sleep01549850irq/30-eth0_g0_22:24:530
1549850390irq/30-eth0_g0_15495-21kworker/1:000:03:471
1549850390irq/30-eth0_g0_121ksoftirqd/123:35:161
1549850390irq/30-eth0_g0_121ksoftirqd/122:38:341
1549850390irq/30-eth0_g0_121ksoftirqd/121:59:211
1549850390irq/30-eth0_g0_121ksoftirqd/100:10:571
1549850390irq/30-eth0_g0_0-21swapper/123:41:251
1549850390irq/30-eth0_g0_0-21swapper/123:31:361
1549750390irq/29-eth0_g0_9201-21sendmail_mailqu23:43:490
1549750390irq/29-eth0_g0_9201-21sendmail_mailqu23:43:490
1549750390irq/29-eth0_g0_31ksoftirqd/023:33:140
1549750390irq/29-eth0_g0_121ksoftirqd/100:28:531
121390ksoftirqd/11549850irq/30-eth0_g0_20:44:590
121390ksoftirqd/11549850irq/30-eth0_g0_19:06:361
121390ksoftirqd/11549850irq/30-eth0_g0_00:03:090
121390ksoftirqd/11549750irq/29-eth0_g0_23:36:390
121390ksoftirqd/11549750irq/29-eth0_g0_20:53:441
121390ksoftirqd/11549750irq/29-eth0_g0_20:29:511
121390ksoftirqd/11549750irq/29-eth0_g0_19:56:191
121390ksoftirqd/11549750irq/29-eth0_g0_19:40:591
121390ksoftirqd/11549750irq/29-eth0_g0_19:19:581
606199381cyclictest31792-21grep20:53:291
606199381cyclictest3012-21diskmemload21:38:501
606199381cyclictest29690-21/usr/sbin/munin20:43:441
606199381cyclictest13441-21wc21:48:491
1549850380irq/30-eth0_g0_121ksoftirqd/122:17:261
1549850380irq/30-eth0_g0_121ksoftirqd/121:30:331
1549750380irq/29-eth0_g0_31ksoftirqd/023:38:500
1549750380irq/29-eth0_g0_26953-21/usr/sbin/munin20:33:430
1549750380irq/29-eth0_g0_14030-21sendmail_mailqu19:38:490
1549750380irq/29-eth0_g0_13-21kworker/0:123:18:430
1549750380irq/29-eth0_g0_13-21kworker/0:122:05:130
1549750380irq/29-eth0_g0_13-21kworker/0:121:08:310
1549750380irq/29-eth0_g0_13-21kworker/0:121:08:310
1549750380irq/29-eth0_g0_12669-21ntp_states19:33:470
121380ksoftirqd/11549750irq/29-eth0_g0_23:51:411
121380ksoftirqd/11549750irq/29-eth0_g0_20:59:421
121380ksoftirqd/11549750irq/29-eth0_g0_00:24:371
606199371cyclictest19860-21cat20:03:431
606199371cyclictest15862-21sort19:48:301
1549850370irq/30-eth0_g0_15495-21kworker/1:000:33:491
1549850370irq/30-eth0_g0_0-21swapper/123:14:581
1549850370irq/30-eth0_g0_0-21swapper/121:10:301
1549850370irq/30-eth0_g0_0-21swapper/121:10:301
1549750370irq/29-eth0_g0_32704-21if_eth023:08:420
1549750370irq/29-eth0_g0_1988-21runrttasks22:33:090
1549750370irq/29-eth0_g0_1988-21runrttasks21:02:340
1549750370irq/29-eth0_g0_1988-21runrttasks00:19:530
1549750370irq/29-eth0_g0_13-21kworker/0:121:19:410
606199362cyclictest2130-21lldpd20:40:361
606199361cyclictest19077-21grep19:58:521
1549850360irq/30-eth0_g0_15495-21kworker/1:023:09:581
1549750360irq/29-eth0_g0_32226-21nfs_client20:53:460
1549750360irq/29-eth0_g0_3075-21latency_hist21:08:300
1549750360irq/29-eth0_g0_1988-21runrttasks20:43:170
1549750360irq/29-eth0_g0_1988-21runrttasks20:06:200
1549750360irq/29-eth0_g0_1988-21runrttasks19:31:550
1549750360irq/29-eth0_g0_1988-21runrttasks19:21:480
1549750350irq/29-eth0_g0_1988-21runrttasks20:53:080
1549750350irq/29-eth0_g0_1988-21runrttasks20:17:190
1549750350irq/29-eth0_g0_1988-21runrttasks19:48:320
1549750350irq/29-eth0_g0_1988-21runrttasks19:14:160
121350ksoftirqd/11549750irq/29-eth0_g0_20:19:451
1549750340irq/29-eth0_g0_25033-21processes20:23:500
1549750340irq/29-eth0_g0_24882-21netstat20:23:461
606199331cyclictest0-21swapper/120:08:321
1549750330irq/29-eth0_g0_23733-21proc_pri20:18:480
1549750330irq/29-eth0_g0_10349-21/usr/sbin/munin19:23:490
1549850320irq/30-eth0_g0_2463-21ls21:03:501
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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