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2026-01-26 - 03:11
[ 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 Mon Jan 26, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1211030ksoftirqd/11549850irq/30-eth0_g0_22:02:291
121950ksoftirqd/11549850irq/30-eth0_g0_21:41:441
121840ksoftirqd/11549850irq/30-eth0_g0_00:24:590
121840ksoftirqd/11549850irq/30-eth0_g0_00:24:590
279142710sleep01549850irq/30-eth0_g0_23:19:410
24672710sleep01549850irq/30-eth0_g0_19:24:360
293342680sleep11549750irq/29-eth0_g0_23:25:261
121620ksoftirqd/11549850irq/30-eth0_g0_23:33:350
87962580sleep01549750irq/29-eth0_g0_00:14:370
121530ksoftirqd/11549850irq/30-eth0_g0_23:55:581
121530ksoftirqd/11549850irq/30-eth0_g0_00:01:021
143622510sleep11549850irq/30-eth0_g0_22:24:401
121510ksoftirqd/11549850irq/30-eth0_g0_22:32:261
92262500sleep11549850irq/30-eth0_g0_22:04:351
121500ksoftirqd/11549750irq/29-eth0_g0_00:13:100
1549750470irq/29-eth0_g0_31ksoftirqd/021:34:350
1549750460irq/29-eth0_g0_121ksoftirqd/121:44:371
1549750460irq/29-eth0_g0_121ksoftirqd/121:44:371
121460ksoftirqd/11549850irq/30-eth0_g0_22:22:201
121460ksoftirqd/11549750irq/29-eth0_g0_00:09:451
1549750450irq/29-eth0_g0_30376-21unixbench_singl19:04:410
1549750450irq/29-eth0_g0_31ksoftirqd/023:34:420
1549750450irq/29-eth0_g0_13-21kworker/0:100:19:330
1549850430irq/30-eth0_g0_30828-21munin-run19:09:201
1549850430irq/30-eth0_g0_15495-21kworker/1:023:31:181
121430ksoftirqd/11549750irq/29-eth0_g0_21:39:191
1549850420irq/30-eth0_g0_15495-21kworker/1:022:45:011
121420ksoftirqd/11549850irq/30-eth0_g0_21:18:001
121420ksoftirqd/11549850irq/30-eth0_g0_00:38:050
121420ksoftirqd/11549750irq/29-eth0_g0_00:30:581
1549750410irq/29-eth0_g0_31ksoftirqd/023:53:290
1549750410irq/29-eth0_g0_27794-21diskmemload22:54:380
1549750410irq/29-eth0_g0_1988-21runrttasks21:24:030
1549750410irq/29-eth0_g0_1645-21unixbench_singl19:19:450
1549750410irq/29-eth0_g0_15749-21seq22:29:410
1549750410irq/29-eth0_g0_13920-21sed22:24:320
1549750410irq/29-eth0_g0_13-21kworker/0:123:12:100
1549750410irq/29-eth0_g0_13-21kworker/0:123:12:100
1549750410irq/29-eth0_g0_13-21kworker/0:122:52:010
1549750410irq/29-eth0_g0_13-21kworker/0:121:49:320
1549750410irq/29-eth0_g0_13-21kworker/0:121:44:270
1549750410irq/29-eth0_g0_13-21kworker/0:121:44:270
1549750410irq/29-eth0_g0_13-21kworker/0:121:33:000
1549750410irq/29-eth0_g0_13-21kworker/0:121:11:010
3083199401cyclictest29078-21latency_hist21:14:211
1549850400irq/30-eth0_g0_15495-21kworker/1:023:12:231
1549850400irq/30-eth0_g0_15495-21kworker/1:023:12:231
1549850400irq/30-eth0_g0_15495-21kworker/1:021:19:571
1549850400irq/30-eth0_g0_121ksoftirqd/123:40:181
1549850400irq/30-eth0_g0_121ksoftirqd/100:35:441
1549750400irq/29-eth0_g0_9874-21chrt22:07:030
1549750400irq/29-eth0_g0_13-21kworker/0:123:54:280
1549750400irq/29-eth0_g0_13-21kworker/0:123:16:360
1549750400irq/29-eth0_g0_13-21kworker/0:122:16:030
1549750400irq/29-eth0_g0_13-21kworker/0:121:27:560
1549750400irq/29-eth0_g0_13-21kworker/0:100:04:340
121400ksoftirqd/11549750irq/29-eth0_g0_23:06:581
86132390sleep01549750irq/29-eth0_g0_22:01:390
3083199391cyclictest24906-21grep20:54:431
3083199391cyclictest24906-21grep20:54:431
3083199391cyclictest19586-21cat20:34:361
1549850390irq/30-eth0_g0_20553-21/usr/sbin/munin22:49:401
1549850390irq/30-eth0_g0_121ksoftirqd/122:14:501
1549850390irq/30-eth0_g0_121ksoftirqd/122:12:041
1549850390irq/30-eth0_g0_121ksoftirqd/122:12:041
1549850390irq/30-eth0_g0_121ksoftirqd/121:34:021
1549850390irq/30-eth0_g0_121ksoftirqd/100:28:391
1549850390irq/30-eth0_g0_121ksoftirqd/100:28:391
1549750390irq/29-eth0_g0_31ksoftirqd/023:04:380
1549750390irq/29-eth0_g0_1988-21runrttasks23:46:190
1549750390irq/29-eth0_g0_13-21kworker/0:122:43:530
1549750390irq/29-eth0_g0_13-21kworker/0:122:37:170
1549750390irq/29-eth0_g0_13-21kworker/0:121:39:520
1549750390irq/29-eth0_g0_13-21kworker/0:121:15:000
1549750390irq/29-eth0_g0_121ksoftirqd/122:38:091
1549750390irq/29-eth0_g0_109292sleep022:10:050
1549750390irq/29-eth0_g0_109292sleep022:10:050
121390ksoftirqd/11549750irq/29-eth0_g0_21:54:081
121390ksoftirqd/11549750irq/29-eth0_g0_20:52:551
121390ksoftirqd/11549750irq/29-eth0_g0_20:52:551
121390ksoftirqd/11549750irq/29-eth0_g0_20:03:421
121390ksoftirqd/11549750irq/29-eth0_g0_19:38:031
121390ksoftirqd/11549750irq/29-eth0_g0_19:34:171
121390ksoftirqd/11549750irq/29-eth0_g0_00:22:111
3083199381cyclictest178032sleep122:39:341
3083199381cyclictest12428-21ps20:04:411
1549850380irq/30-eth0_g0_15495-21kworker/1:021:54:551
1549850380irq/30-eth0_g0_121ksoftirqd/123:18:301
1549850380irq/30-eth0_g0_121ksoftirqd/100:06:231
1549850380irq/30-eth0_g0_0-21swapper/123:52:251
1549750380irq/29-eth0_g0_6736-21latency21:54:340
1549750380irq/29-eth0_g0_1988-21runrttasks20:27:500
1549750380irq/29-eth0_g0_13-21kworker/0:122:48:520
1549750380irq/29-eth0_g0_13-21kworker/0:100:01:010
1549750380irq/29-eth0_g0_0-21swapper/023:01:220
121380ksoftirqd/11549850irq/30-eth0_g0_22:19:540
121380ksoftirqd/11549750irq/29-eth0_g0_21:24:341
121380ksoftirqd/11549750irq/29-eth0_g0_20:10:561
3083199372cyclictest22406-21unixbench_multi20:44:411
3083199371cyclictest27350-21grep21:04:441
3083199371cyclictest26623-21cat21:04:201
3083199371cyclictest21174-21grep20:39:411
1549850370irq/30-eth0_g0_15495-21kworker/1:023:36:081
1549850370irq/30-eth0_g0_15495-21kworker/1:023:23:251
1549850370irq/30-eth0_g0_0-21swapper/122:57:381
1549750370irq/29-eth0_g0_6486-21sed19:39:420
1549750370irq/29-eth0_g0_1988-21runrttasks00:33:440
1549750370irq/29-eth0_g0_19284-21latency_hist20:34:200
1549750370irq/29-eth0_g0_13-21kworker/0:123:40:110
121370ksoftirqd/11549750irq/29-eth0_g0_23:48:111
3083199361cyclictest9768-21wc19:54:341
3083199361cyclictest8998-21grep00:14:401
3083199361cyclictest8733-21/usr/sbin/munin19:49:391
235412360sleep11549750irq/29-eth0_g0_23:04:181
1549850360irq/30-eth0_g0_18489-21ntp_offset20:29:371
1549850360irq/30-eth0_g0_0-21swapper/120:19:351
1549850360irq/30-eth0_g0_0-21swapper/120:19:351
1549750360irq/29-eth0_g0_3940-21sendmail_mailqu19:29:400
1549750360irq/29-eth0_g0_32413-21cat19:14:350
1549750360irq/29-eth0_g0_1988-21runrttasks21:05:520
1549750360irq/29-eth0_g0_1988-21runrttasks21:03:520
1549750360irq/29-eth0_g0_1988-21runrttasks20:18:350
1549750360irq/29-eth0_g0_13104-21latency_hist20:09:200
1549750360irq/29-eth0_g0_13-21kworker/0:123:25:180
1549750360irq/29-eth0_g0_11196-21ps19:59:370
3083199351cyclictest6093-21latency19:39:351
3083199351cyclictest321482sleep119:14:311
3083199351cyclictest17479-21sort20:24:441
3083199351cyclictest0-21swapper/120:14:571
221452350sleep01549750irq/29-eth0_g0_20:44:370
1549850350irq/30-eth0_g0_30979-21cpu19:09:301
1549750350irq/29-eth0_g0_8296-21/usr/sbin/munin19:49:400
1549750350irq/29-eth0_g0_7747-21grep19:44:420
1549750350irq/29-eth0_g0_5815-21ls19:39:210
1549750350irq/29-eth0_g0_3017-21runrttasks19:25:561
1549750350irq/29-eth0_g0_31ksoftirqd/020:49:310
1549750350irq/29-eth0_g0_31ksoftirqd/020:49:310
1549750350irq/29-eth0_g0_16176-21sendmail_mailqu20:19:410
1549750350irq/29-eth0_g0_16176-21sendmail_mailqu20:19:410
1549750350irq/29-eth0_g0_13850-21grep20:09:420
1549850340irq/30-eth0_g0_24877-21unixbench_multi20:54:430
1549850340irq/30-eth0_g0_24877-21unixbench_multi20:54:430
1549750340irq/29-eth0_g0_32066-21sort19:14:200
1549750340irq/29-eth0_g0_1988-21runrttasks20:40:050
1549750340irq/29-eth0_g0_1988-21runrttasks20:36:210
3083199331cyclictest2130-21lldpd19:45:091
1549750330irq/29-eth0_g0_1988-21runrttasks19:54:290
20762320sleep12079-21munin-plugin-st19:24:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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