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2026-01-27 - 06:35
[ 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 Tue Jan 27, 2026 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151021610sleep11549750irq/29-eth0_g0_23:45:581
156821560sleep01549750irq/29-eth0_g0_23:46:380
1083521220sleep01549750irq/29-eth0_g0_22:12:360
1211120ksoftirqd/11549850irq/30-eth0_g0_23:57:571
121980ksoftirqd/11549750irq/29-eth0_g0_22:49:341
121860ksoftirqd/11549750irq/29-eth0_g0_22:28:051
121780ksoftirqd/11549850irq/30-eth0_g0_23:43:531
121760ksoftirqd/11549850irq/30-eth0_g0_23:25:381
201572750sleep01549850irq/30-eth0_g0_22:49:360
121600ksoftirqd/11549850irq/30-eth0_g0_00:34:081
121570ksoftirqd/11549850irq/30-eth0_g0_21:55:431
168072550sleep11549750irq/29-eth0_g0_22:35:531
121510ksoftirqd/11549850irq/30-eth0_g0_22:46:171
121510ksoftirqd/11549850irq/30-eth0_g0_22:10:301
58082490chrt1549750irq/29-eth0_g0_00:04:310
280272490sleep01549850irq/30-eth0_g0_23:23:210
121490ksoftirqd/11549850irq/30-eth0_g0_22:20:471
121480ksoftirqd/11549850irq/30-eth0_g0_00:16:361
121480ksoftirqd/11549850irq/30-eth0_g0_00:16:361
113722480sleep01549750irq/29-eth0_g0_00:26:340
1549850470irq/30-eth0_g0_15495-21kworker/1:021:46:051
1549750460irq/29-eth0_g0_16596-21grep22:34:390
121460ksoftirqd/11549750irq/29-eth0_g0_21:41:061
121460ksoftirqd/11549750irq/29-eth0_g0_19:32:561
311792450sleep01549750irq/29-eth0_g0_23:34:360
1549750450irq/29-eth0_g0_13-21kworker/0:100:09:290
121450ksoftirqd/11549750irq/29-eth0_g0_23:29:381
3054899441cyclictest27618-21grep23:19:411
121440ksoftirqd/11549750irq/29-eth0_g0_21:06:331
1549850430irq/30-eth0_g0_15495-21kworker/1:023:54:041
1549850430irq/30-eth0_g0_15495-21kworker/1:021:15:011
1549850430irq/30-eth0_g0_15495-21kworker/1:021:15:011
1549750430irq/29-eth0_g0_1988-21runrttasks21:01:240
1549750430irq/29-eth0_g0_13-21kworker/0:122:33:100
1549750430irq/29-eth0_g0_0-21swapper/019:44:370
1549750430irq/29-eth0_g0_0-21swapper/019:19:340
121430ksoftirqd/11549750irq/29-eth0_g0_21:31:061
3054899421cyclictest306982sleep119:09:281
3054899421cyclictest306982sleep119:09:281
253952420chrt1549750irq/29-eth0_g0_23:11:130
1549750420irq/29-eth0_g0_31ksoftirqd/022:04:360
1549750420irq/29-eth0_g0_13-21kworker/0:121:38:070
1549750420irq/29-eth0_g0_12806-21latency_hist20:09:180
121420ksoftirqd/11549750irq/29-eth0_g0_22:42:121
121420ksoftirqd/11549750irq/29-eth0_g0_21:52:091
302312410sleep01549850irq/30-eth0_g0_23:30:330
1549850410irq/30-eth0_g0_15495-21kworker/1:000:35:091
1549850410irq/30-eth0_g0_121ksoftirqd/122:14:381
1549850410irq/30-eth0_g0_121ksoftirqd/100:29:111
1549750410irq/29-eth0_g0_4356-21/usr/sbin/munin23:59:370
1549750410irq/29-eth0_g0_13-21kworker/0:123:17:140
1549750410irq/29-eth0_g0_13-21kworker/0:121:56:120
1549750410irq/29-eth0_g0_121ksoftirqd/121:28:230
1549750410irq/29-eth0_g0_0-21swapper/019:04:390
3054899401cyclictest9491-21cat19:54:331
1549850400irq/30-eth0_g0_15495-21kworker/1:021:25:151
1549750400irq/29-eth0_g0_20947-21unixbench_singl20:39:380
1549750400irq/29-eth0_g0_14172-21unixbench_multi22:24:410
1549750400irq/29-eth0_g0_13-21kworker/0:123:39:520
1549750400irq/29-eth0_g0_13-21kworker/0:122:45:590
1549750400irq/29-eth0_g0_13-21kworker/0:122:40:230
1549750400irq/29-eth0_g0_13-21kworker/0:122:20:090
1549750400irq/29-eth0_g0_13-21kworker/0:122:15:550
1549750400irq/29-eth0_g0_13-21kworker/0:122:03:590
1549750400irq/29-eth0_g0_13-21kworker/0:121:13:200
1549750400irq/29-eth0_g0_13-21kworker/0:100:18:440
1549750400irq/29-eth0_g0_13-21kworker/0:100:18:440
121400ksoftirqd/11549850irq/30-eth0_g0_23:51:150
121400ksoftirqd/11549850irq/30-eth0_g0_23:24:450
121400ksoftirqd/11549850irq/30-eth0_g0_21:32:300
121400ksoftirqd/11549850irq/30-eth0_g0_20:10:070
121400ksoftirqd/11549750irq/29-eth0_g0_22:59:271
121400ksoftirqd/11549750irq/29-eth0_g0_21:59:561
121400ksoftirqd/11549750irq/29-eth0_g0_20:39:321
97102390sleep11549850irq/30-eth0_g0_22:08:421
3054899391cyclictest15127-21seq22:29:331
1549850390irq/30-eth0_g0_15339-21/usr/sbin/munin20:19:381
1549850390irq/30-eth0_g0_0-21swapper/100:21:581
1549850390irq/30-eth0_g0_0-21swapper/020:34:290
1549750390irq/29-eth0_g0_4956-21/usr/sbin/munin21:49:370
1549750390irq/29-eth0_g0_4529-21runrttasks21:45:240
1549750390irq/29-eth0_g0_31ksoftirqd/022:59:360
1549750390irq/29-eth0_g0_17712-21cat20:29:181
1549750390irq/29-eth0_g0_15495-21kworker/1:000:04:441
1549750390irq/29-eth0_g0_13-21kworker/0:123:54:400
1549750390irq/29-eth0_g0_13-21kworker/0:122:55:050
121390ksoftirqd/11549850irq/30-eth0_g0_21:20:090
121390ksoftirqd/11549850irq/30-eth0_g0_21:09:080
121390ksoftirqd/11549850irq/30-eth0_g0_20:57:180
121390ksoftirqd/11549850irq/30-eth0_g0_20:24:380
121390ksoftirqd/11549850irq/30-eth0_g0_20:20:450
121390ksoftirqd/11549850irq/30-eth0_g0_20:18:030
121390ksoftirqd/11549850irq/30-eth0_g0_19:58:410
121390ksoftirqd/11549850irq/30-eth0_g0_19:18:160
121390ksoftirqd/11549850irq/30-eth0_g0_00:36:310
121390ksoftirqd/11549850irq/30-eth0_g0_00:30:010
121390ksoftirqd/11549850irq/30-eth0_g0_00:20:420
121390ksoftirqd/11549750irq/29-eth0_g0_21:21:531
121390ksoftirqd/11549750irq/29-eth0_g0_20:52:311
121390ksoftirqd/11549750irq/29-eth0_g0_19:05:191
3054899382cyclictest26045-21memory23:14:331
3054899381cyclictest201542sleep120:39:181
3054899381cyclictest13257-21taskset20:09:321
1549850380irq/30-eth0_g0_15495-21kworker/1:022:55:521
1549850380irq/30-eth0_g0_15495-21kworker/1:021:36:361
1549850380irq/30-eth0_g0_121ksoftirqd/123:11:041
1549750380irq/29-eth0_g0_31ksoftirqd/021:39:380
1549750380irq/29-eth0_g0_28813-21cpu21:14:290
1549750380irq/29-eth0_g0_28813-21cpu21:14:290
121380ksoftirqd/11549750irq/29-eth0_g0_19:17:591
3054899371cyclictest27492-21diskmemload23:09:171
3054899371cyclictest2267-21ntpdc19:24:341
3054899371cyclictest14415-21cat20:14:331
1549850370irq/30-eth0_g0_15495-21kworker/1:023:59:291
1549850370irq/30-eth0_g0_15495-21kworker/1:021:10:571
1549750370irq/29-eth0_g0_23766-21proc_pri23:04:360
1549750370irq/29-eth0_g0_2347-21chrt19:24:360
1549750370irq/29-eth0_g0_22122-21unixbench_multi20:44:380
1549750370irq/29-eth0_g0_121ksoftirqd/123:35:191
3054899361cyclictest8560-21awk19:49:381
3054899361cyclictest25099-21cat20:59:181
1549850360irq/30-eth0_g0_7478-21grep19:44:371
1549850360irq/30-eth0_g0_22142-21grep20:44:391
1549750360irq/29-eth0_g0_3731-21unixbench_multi19:29:390
1549750360irq/29-eth0_g0_30888-21sort19:09:320
1549750360irq/29-eth0_g0_30888-21sort19:09:320
1549750360irq/29-eth0_g0_10764-21missed_timers19:59:320
3054899351cyclictest118352sleep120:04:321
1549850350irq/30-eth0_g0_3054799cyclictest19:49:340
1549850350irq/30-eth0_g0_0-21swapper/119:59:301
1549750350irq/29-eth0_g0_1988-21runrttasks19:34:240
1549750350irq/29-eth0_g0_0-21swapper/019:39:330
3054899341cyclictest7010-21ethtool00:09:311
3054899341cyclictest26296-21cat21:04:181
1549750340irq/29-eth0_g0_18066-21latency20:29:321
1549750340irq/29-eth0_g0_17861-21df_abs20:29:290
121340ksoftirqd/11549750irq/29-eth0_g0_19:19:321
3054899331cyclictest5794-21taskset19:39:321
1549750330irq/29-eth0_g0_4665-21seq19:34:331
1549750330irq/29-eth0_g0_0-21swapper/020:49:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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